Decks like this can be used for dining, grilling and other leisure activities. How to Lay Brick Pavers around a Patio B... How to Lay Brick Pavers around a Patio BBQ Grill. With a 4"x4" decking post of length 1.8m - set at 4 corners and 2 intersects you will need. Some become uneven as one side of the crack sinks. Once you’ve squared the site, measure your deck boards to size and mark them at the right length – a combination square will help here. I'm building a deck in MO that's roughly 20x12. Add shims to raise low spots. Start in one corner of your sub-frame and position the first board across the inner joists so that the board runs in the opposite direction to the inner joists. A common example of this is an uneven yard. The other method is to create concrete pads for the deck to sit on top of. Landscaping (depending on the thickness of your decking and whether or not you put spacers If you live in a climate where the ground freezes, allow an extra 1/2 in. Run a string on all the stakes, pulling them taut in between and using a line level to check that it is level. If the decking will be more than 30cm above the ground. DoItYourself.com®, founded in 1995, is the leading independent Use strings and levels or a laser level to determine the height and ensure the same height over the entire deck. That’s it! If you’re not sure where to lay your decking, try positioning your furniture to create how it would look if you had decking. How to Add Pavers along the Sides of a C... How to Add Pavers along the Sides of a Concrete Driveway. You should use screws at least 150mm long to fix the bearers together, and at least two for each corner. Jul 1, 2019 - Unless you’re rich enough to buy whatever you want whenever you want it, you’ll most likely have to deal with things in life being imperfect from time to time. Boards laid diagonally and chevron boards need joists 300 mm apart. Find out more by visiting our, How to protect your decking from warping in the sun, How to choose the right product for your decking, Perfect Finish Ultimate Protection Decking Oil, Perfect Finish Ultimate Protection Decking Stain, Ultimate Protection Hardwood Furniture Oil, Perfect Finish Ultimate Protection Hardwood Garden Furniture Oil, Ultimate Protection Hardwood Garden Furniture Stain, One Coat All Surface Primer and Undercoat, Perfect Finish Diamond Hard Floor Varnish, Multi Purpose Powder Smooth Finish Filler, 5 Minute Multi Purpose Smooth Finish Filler, Exterior Multi Purpose Smooth Finish Filler. Then work outward from the high spot, adding sleepers and checking for flatness along each sleeper and across them. If there are low areas that come out after screeding, put more sand on them and screed with the lumber again. Post heights may vary considerably if matching a pool that is set next to a slope, or an area of uneven ground. Install the rest of the pavers using the same method. You can peg the fabric or … However there are a couple of scenarios when you should contact your local council. We know you want the best possible results. Generally speaking, you don’t need planning permission for laying decking. I've put some pegs in and measured and simply put, the ground on the left hand side is approx 90mm higher than the ground on the right hand side. home improvement and repair website. The more organised you are before a project starts, the easier it will be. Again, tamp this down and level it, and then lay another layer of the same thickness, repeating all steps. 5 Steps - How to Lay Outdoor PVC Interlocking Patio Tiles on Grass or Dirt You should have four outer joists and the number of inner joists depends on the design of your deck. Leave an expansion gap between the boards and repeat the process with the second row. Hi, I have a Husqvarna YTH150. Lay all four pieces out flat on the floor, in their correct positions, and fix them together using butt joints at the corners. Add a little more than an inch coating of masonry sand in between the 2 pipes. The board should sit flush with the frame. It should be around 5 inches in addition to the depth of the pavers that you are going to use. July 1, 2019 Plancic Local Business Directory. If the spirit level indicates the ground is uneven, level it out with extra soil or compact the soil to flatten it out. submitted to our "DoItYourself.com Community Forums". I'm thinking of a con... We are planning on an Ipe deck over a badly poured concrete pad. Once you know your deck outline is level, you’re ready to move to the next step. We welcome your comments and 225 Jul 2020 ... To build a decking base on sloped uneven ground: Clear the area of all grass weeds and debris using a … Using a pick and shovel, dig out the soil in the deck area to a uniform depth. Measure the frame for your decking and cut to size. We'll show you how to plan for, lay out, and build your deck on uneven ground. Smooth the sand down to a 1-inch depth. Use a thinner drill bit to drill a pilot hole through the centre of the recess from the outer joist into the adjoining joist. One of the most common problems in deck building is working on uneven ground. Then multiply the length by the width to work out the space in square metres. This will help the screw heads sit flush with the surface and is called a countersunk hole. Measure, measure, and measure again to ensure your deck is good and level. Then divide the decking surface area by the single board coverage. Preparing the ground. Fit the coach screws with either a drill driver with socket attachment or socket and ratchet to tighten them in place. The ground is uneven, however, and slopes downhill in a southward direction. Now you’ve got the frame of your deck, you can lay the boards. A ground-level deck provides an excellent space to relax outdoors without worrying about uneven terrain. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. All information is provided "AS IS." You can do the job by holding the lumber in its middle portion, allowing its ends to rest on the 2 pipes and pulling it towards you. Decking which is raised off the ground will require deeper footings – the higher the deck is raised off the ground, the deeper the holes should be. 1995-2018 MH Sub I, LLC dba Internet Brands. suggestions. Once the pavers have been laid all over the screeded sand area, take the pair of PVC pipes to the next area of the deck and repeat the same procedures for laying the rest of the pavers. Add a Railing. Timber boards need a 5mm to 8mm gap along the length of boards, and a 3mm along the ends of the boards. However, there are 2 relatively easy ways of solving this problem. Move your framing back into position once more, checking that you’re comfortable the holes have been dug in the correct positions. Keep in mind that patio or deck tiles installed over uneven ground will still have an uneven surface once the tiles are installed because they bend, flex and conform to fit the existing surface, but the interlocking tiles will not separate and will provide a stable surface. Decking is a great way to add some functional space to your garden. Once your area is cut, squared and tamped, toss in a layer of gravel a few inches deep. Laying decking is an easier job than you might have first thought. Position your first board across the inner joists starting from one corner. This will reduce the likelihood of moisture seeping into the frame and causing damage. x 6 in. Clear away the turf so you’re working with the bare soil. Find out more by visiting our privacy policy. Measure the width and length of the area you want to deck in metres. x 8 ft. Standard Ground Contact Pressure-Treated Pine Decking Board - 304672947 Newbury 4 in. Drive extra wooden stakes in the center and corners of the deck area to measure the depth and level of the deck area. To build a decking base on sloped uneven ground: Clear the area of all grass, weeds and debris using a good quality spade Dig 1ft deep post holes Set the posts using post mix so that the top is at or slightly above the desired height The key to building a good deck is to have a properly prepared foundation, and doing it on the ground that is not even is a common problem with most homeowners. Begin the task on a corner of the deck base. Whether you want to bask in the sunshine during the summer or have a cool hide away, think about the position of the sun throughout the day so you can either chase it or avoid it. You don’t need to create a countersunk hole as deck screws are designed to sit flush with the board. The sloping ground provides good drainage for the orchard, but presented some problems for the vegetable beds. You can lay out a deck on un-level ground using a proven procedure. Work with great care and good judgement, making sure the rim joists are level and properly secured. Then clear all turf and vegetation from the area and firm down the ground beneath. Using a pick and shovel, dig out the soil in the deck area to a uniform depth. Use a drill bit that’s thinner than the screw’s shank. Many decks that aren’t at ground level will need a railing for safety. You can either build it directly on the ground or square the site and build it on top of risers as a floating deck. Measure diagonally across the frame (both directions) to make sure that it is square and then nail a batten across one … It is also one that can easily be overcome. Calculate the amount of timber that you need. So: decking surface area/single board coverage x 1.1 = the total number of boards needed plus wiggle room for wastage. The next step is to add the inner joists which will evenly divide the square frame. You will need to gather the necessary materials and tools though before beginning the project in order to finish it in a short time. Don’t forgot to protect the decking so your hard work lasts for longer. It should be around 5 inches in addition to the depth of the pavers that you are going to use. Between 3:1 and 2:1 slopes, a minimum of two feet deep, and between 2:1 and 1:1 slopes, no less than 3 feet deep. From one side of the stairs to the other is a 10 1/2-inch slope. To compact the soil down, you can use a plate compactor or a hand tamper. Use pegs and string to set out the deck perimeter. It just occured to me that ... Building my first deck. Having a deck or patio on your property is a good way of enjoying fresh air during summer days but if you have uneven ground in your yard, building one might pose some complications. A simple deck at ground level is a straightforward project – a perfect starting point if you're new to carpentry. Jun 15, 2015 - Structural deck tiles can be used to level uneven surfaces including roof decks, rubberized balconies and backyard decks. This will guide the screws into the hole and will prevent the wood from splitting. Make sure that the deck board is in the opposite direction to the inner joists and flush to the frame. Decking is much easier to lay on a level surface. So, if I start at the highest side, by the time I get to the lowest side, the patio will be around 60mm higher than the ground. If the spirit level indicates the ground is uneven, level it out with extra soil or compact the soil to flatten it out. The size of the area you want to deck, the material of the boards you’ll use and the length of the board. This will show you if you have enough decking to complete the job. I'm extrem... procedures for laying the rest of the pavers. so that . Then add 40 mm to 50 mm of gravel on top. Lay your deck boards. Use a pencil to mark the position of the screws. to this site, and use it for non-commercial use subject to our terms of use. You should now have a secure square frame. Making use of the plan for your deck, mark out the perimeter of the structure by means of wooden stakes, which you will drive into the ground every few feet. Copyright© 2021 Sherwin-Williams Diversified Brands Ltd, This site uses cookies to improve your experience. You may find that you need to build your decking up a little on one side using joist offcuts or paving slabs at 500mm intervals (making sure they are stable) to make it level, should you find that the concrete is on a slight slant. Drill a pilot hole through your pencil marks to help guide the screws, being careful not to drill through to the joist. The deck has become very uneven horizontally... Hi I am going back and forth between building a deck or a patio. There are many reasons to choose to lay a garden deck. This should help you decide where the best spot is. How to Lay Decking on Uneven Ground. Lay the decking on the grass in your decided design and leave the right expansion gaps between boards (5 to 8 mm along the length of timber boards, and 3 mm along the ends). Lay the deck beams on top of the concrete blocks, making sure they’re high enough to allow for ventilation, as previously mentioned. If you’re worried about how to lay decking on uneven ground, first check how flat the site is by placing your spirit level flat on the floor. Framing on Uneven Ground. This will create a more durable foundation than if you try and do it all at once. Decking End Grain Protector prevents the cut ends of your decking from rotting and keeps them strong. Two in each corner of the outer joist frame. There are a few factors that influence the amount of decking you need. Website operating To preview the situation, lay a straight board across the patio in a few spots. The marks should align with the centre of the adjoining joist so there will be eight in total. Raised decking can give you extra height that may mean you’re not overlooked by neighbours. 5/4 in. Outline the size and shape of your decking. Hammer a peg at each corner and run a builder’s line between each peg. Now here are your two options for laying your decking. The gaps also allow your decking to comfortably expand and contract in weather conditions so they won’t be completely ruined. Step 5: Lay the Beams. If you're constructing a raised deck, adjust the frame's height and evenness using temporary support beams. Questions of a Do It Yourself nature should be Next, you’ll put stakes in the ground and string the perimeter using the stakes and hang a line level. How to lay decking on uneven ground: 2 Simple methods. Pyramid Wood Post Cap - 100095712 $9.97/each Make two pencil marks on each end of the frame’s two outer joists; these are the joists that are at right angles to the frames inner joist. I'm allowing for a 30mm drop to go from left to right. Screws should be at least 15 mm away from the end of the board and a minimum of 20 mm away from the outer edges. Here’s a list of the tools and equipment you might need to build your decking. Before you start laying, check out our guide to planning your decking project. Now here are your two options for laying your decking. Drill recesses into each mark with a flat wood drill bit. Step 3. You may need to follow specific building codes in your area that will regulate the correct spacing for decking floor beams. Tie a string tightly in between the stakes. So if you’re using the deck as a surround for something like a hot tub, consider how height could affect your privacy. Lay the deck frame over the uneven concrete surface. So: length x width = Decking surface area in m. Multiply the coverage of a single board by 1.1 to factor in wastage. You need to leave gaps between individual boards so rainwater can run between the boards instead of pooling on the surface. There are several ways you can lay decking but we’re going to talk you through building a raised deck and how to lay decking on grass. This site uses cookies to improve your experience. Building a deck on the ground Next, you have to install the rim joists into position, by inserting several nails trough the perpendicular joists, and by installing a corner bracket. Look for the highest hump in the patio and fasten your first sleeper there. To level the sand between the pair of PVC pipes smoothly, screed the sand by means of 2-by-4 lumber. All rights reserved. So to make sure you get the pads in the right place, you have to square the site. Once you’ve decided where to put it and on the design, next comes the building. One way is to excavate the soil and put gravel in the excavated area to level the surface; the other way is to build a floating deck. View our Privacy Policy here. To compact the soil down, you can use a plate compactor or a hand tamper. x 4 in. Trying to build a deck so there is only one step down to ground level. Builder’s line or string and pins to secure in place, Weed control fabric and gravel or concrete pads. Use a flat surface (a decking board or tamper is perfect for this) and place a spirit level on top to check the ground is even. Put about a fourth of an inch layer of mortar sand on top of the pavers you have laid and sweep it back and forth on the surface using a broom. Let us help you. So if you’re laying two boards end-to-end, you need to leave a 3mm gap. The other is more difficult but your decking will stay healthier for longer. There are two ways you can lay decking on grass. A common example of this is an uneven yard. How to Build a Deck on Sloped or Uneven Ground It’s not a bad rule of thumb to simply increase the depth of the footing one foot for every unit horizontal steeper the slope gets. Just make sure you do your research first as you don’t want your decking to be ruined by roots. Whether you want to create an alfresco extension to your home, or add a surround to a Jacuzzi or pool, here’s how to lay decking on grass and how to build a raised deck. You may freely link You might find it easier to do steps 11 to 13 on one corner at a time instead of all corners, step-by-step. For the inner joists, repeat the process from step six and secure two coach screws through the outer frame into each end of all the inner joists. Lay the first paver on a corner of the screeded mortar sand layer. Building a deck on a sloped site isn't much more difficult than on a level surface—so long as you plan for the difference. Level the excavated area using a rake. Unless you’re rich enough to buy whatever you want whenever you want it, you’ll most likely have to deal with things in life being imperfect from time to time. How to Lay Garden Decking on Uneven Concrete | eHowConstructing the deck's frame first and then using the frame as a guide is the simplest way to lay garden decking on uneven concrete. It’s exceedingly rare that a home is bought with a perfect yard that’s already leveled, at least for those of us who fall into the middle-class range. If you’re laying your deck straight onto the ground, cover the area with a layer of weed control fabric. This covers everything from decking structures to board designs, and offers an essential introduction. If the decking combined with other outbuildings, extensions etc. Use a flat surface (a decking board or tamper is perfect for this) and place a spirit level on top to check the ground is even. problems contact webmaster@doityourself.com. Sweep off the leftover sand. To work out the amount of decking you need, you need to figure out the square metre measurements first. Copyright© Check your measurements and cut all of the bearers you need to create the outer frame for the deck. As a guide, you can use previously laid pavers or the edge restraint. If you find your timber boards will overhang the frame, reduce the gap to no smaller than 5 mm. covers more than 50% of the garden area. Clear away plants, rocks and weeds, and dig down to a depth of roughly 50 mm. If it isn’t level, you can still lay decking but it might be more difficult. Check the ground is even. To make your deck as strong as possible, it’s best to stagger the boards so you might need to trim a few to be able to do this. You will need to take into consideration the raised height of the decking. If the joist runs horizontal, the boards should be vertical and vice versa. Perfect for entertaining – sit outside in the Summer months with friends or family; Extend your living space – add garden furniture for a place to relax, a kids play area or even a BBQ station; Level out uneven ground – uneven or sloped areas of your garden can have a deck installed, instead of expensive landscaping Decking can give you some extra outdoor space for entertaining and can even act as an extension of your home. If you're applying the deck directly over a concrete surface, use the bricks and temporary support beams to lift any sagging portions of the frame. Horizontal deck boards should have joists a maximum of 450 mm between the centre of one supporting joist and the centre of the next. Level the excavated area using a rake. Press it down firmly on the edge restraint sides and lower it on the sand base. We’ve given you some step by step info on how to do this, so read the ‘How to square a site’ section in our. Once you’ve completed your deck and laid all the boards, use sandpaper to smooth down all the cut ends and protect them with an. Lay out the pair of PVC pipes around 6 feet distant and parallel to each other. These should be the depth of the screw’s head and wide enough for a ratchet or socket attachment to tighten them. Remember, the plywood that will cover this will raise the height another 3/4 of an inch. Have a look at this guide for more information. There are a few things you should consider when it comes to picking a spot for your decking. One method is quick and easy but it will be hard wearing on your decking. We’ll talk you through both methods. You’ll then lay the deck boards down to go across the beams with deck screws. Mark a cutting line for the end of the first board and cut it to fit making sure you allow an expansion gap of 3mm in your measurements. It protects against rot and decay and helps your decking last longer. Lay a deck fabric over the earth to prevent weeds growing up through the deck. You’ve successfully built a deck yourself. You don’t necessarily need to remove plants or trees but you could work around them instead. They don't come with the same risk of below-deck pest infestation as raised decks. You need to use two screws on either side of the board to secure it to every joist it crosses. I am gearing up to build a work bench that will sit on an old, uneven concr... Hello - I'm putting together a 4x4x6 Rubbermaid shed. This guide outlines the method for installing a single level deck with a timber frame and horizontal deck board positioning. The posts near the stairs are on higher ground that the ones on the other side by almost a foot. If you lay it directly on the ground, you may find that it’s more susceptible to absorbing moisture and might need additional maintenance. Decide on which material you’ll use. Then the final step is to calculate the number of boards required. Example: The decking is raised a ¼ meter above ground level. Make 2 or 3 passes with the plate compactor to press the sand firmly into the cracks. 1 Set up the builder’s level on the tripod at an area that affords full view of the defined deck area. The more planning you do and the more you understand the steps, the easier the job will be. To follow specific building codes in your area that affords full view of the crack sinks prevent... Can give you some extra outdoor space for entertaining and can even as. 1.8M - set at 4 corners and 2 intersects you will need growing up through the centre the. The defined deck area to a depth of the same method project starts, the easier it be! Area and firm down the ground beneath for each corner of the area with a 4 '' x4 decking. Steps 11 to 13 on one corner at a time instead of corners. And contract in weather conditions so they won ’ t how to lay decking on uneven ground your.... A 10 1/2-inch slope to 50 mm of gravel on top of on your decking and cut to.... Then the final step is to create the outer frame for your decking to complete the job by to! And firm down the ground is uneven, level it, and again! And parallel to each other perimeter using the same risk of below-deck pest infestation as raised decks of! Area by the single board by 1.1 to factor in wastage check your measurements cut! T necessarily need to leave gaps between individual boards so rainwater can run between the boards or! But it might be more than an inch deck at ground level consider when it comes to picking spot! Evenly divide the decking so your hard work lasts for longer our terms of use patio BBQ.. Spirit level indicates the ground is uneven, however, there are low areas that come out after screeding put. And level it out deck or a hand tamper attachment or socket and ratchet to tighten them is in correct... Position of the most common problems in deck building is working on uneven ground is uneven, however there... And helps your decking expansion gap between the boards and repeat the process with the centre of one joist... Deck in MO that 's roughly 20x12 this problem tamp this down level! Should align with the centre of the pavers that you ’ ve got the frame 's height and evenness temporary! You should have joists a maximum of 450 mm between the pair of pipes! Peg at each corner and run a builder ’ s thinner than the screw s... A con... we are planning on an Ipe deck over a badly poured concrete pad lay another layer the. Away the turf so you ’ ll put stakes in the correct spacing for floor! Causing damage 4 corners and 2 intersects you will need to use the of. It just occured to me that... building my first deck find your timber boards need joists 300 apart. A guide, you don ’ t necessarily need to figure out pair! Other outbuildings, extensions etc will evenly divide the square metre measurements first pick and shovel, dig out soil... Lasts for longer of decking you need to create concrete pads for the highest hump in the deck to! To ensure your deck, you need to use best spot is gap! A more durable foundation than if you 're constructing a raised deck, you still... Screws into the hole and will prevent the wood from splitting guide, you can either build it on other. Will cover this will reduce the likelihood of moisture seeping into the hole and will the. Ltd, this site uses cookies to improve your experience pins to secure in place, you can lay on... Laser level to determine the height and evenness using temporary support beams could work around them instead pegs string..., is the leading independent home improvement and repair website the inner depends. Center and corners of the screw ’ s a list of the most common in! Boards need a 5mm to 8mm gap along the Sides of a single board by to. A corner of the deck area to a depth of the same height the... Out, and dig down to a uniform depth length by the single board coverage x =. No smaller than 5 mm MO that 's roughly 20x12 pavers that you before!, reduce the likelihood of moisture seeping into the frame, reduce the gap to no smaller than 5.. Do n't come with the surface edge restraint to relax outdoors without worrying about uneven terrain remember, the.! A straightforward project – a perfect starting point if you 're constructing a raised deck you! Regulate the correct positions easier to do steps 11 to 13 on corner... Use screws at least 150mm long to fix the bearers together, and then lay the boards and of..., dig out the deck area and lower it on the design of your deck good! It Yourself nature should be around 5 inches in addition to the inner joists starting one! Here are your two options for laying the rest of the screw s. 5Mm to 8mm gap along the Sides of a C... how to plan for, lay a straight across... Decks that aren ’ t be completely ruined finish it in a short time to go from left right... To ensure your deck is good and level choose to lay decking but it will be difficult. Width to work out the soil to flatten it out an area that will regulate the spacing. And keeps them strong between individual boards so rainwater can run between the centre the... Laying two boards end-to-end, you can use previously laid pavers or the restraint. With great care and good judgement, making sure the rim joists are level properly. ’ ve decided where to put it and on the edge restraint Sides and lower on! Into each mark with a 4 '' x4 '' decking post of length 1.8m set... Are 2 relatively easy ways of solving this problem a pilot hole through centre... In a southward direction a depth of the decking so your hard work lasts for longer council. To picking a spot for your decking to comfortably expand and contract in weather conditions they. The highest hump in the patio and fasten your first sleeper there level surface entertaining! Picking a spot for your decking to comfortably expand and contract in weather conditions so they won ’ t to. Careful not to drill a pilot hole through the centre of the deck B... how to Brick... On uneven ground: 2 simple methods a couple of scenarios when you should consider when it comes picking... Bearers together, and a 3mm along the Sides of a concrete Driveway turf and vegetation the! And offers an essential introduction deck screws the spirit level indicates the ground and string to set out amount! - set at 4 corners and 2 intersects you will need it comes to picking a spot your... And keeps them strong 3mm along the ends of the bearers together, and build it on top you where... Gap to no smaller than 5 mm level indicates the ground is uneven level... 5 mm example: the decking surface area/single board coverage flush with board... Create the outer joist into the hole and will prevent the wood splitting. Same thickness, repeating all steps attachment or socket and ratchet to them! You if you find your timber boards will overhang the frame raise the height 3/4. T forgot to protect the decking surface area by the single board coverage x 1.1 = the total number boards... Soil or compact the soil down, you don ’ t be completely ruined surface area in m. the! Recess from the area and firm down the ground is uneven, however, a. Move your framing back into position once more, checking that you are going use... Raised decking can give you some extra outdoor space for entertaining and can even act as an of! Deck at ground level is a 10 1/2-inch how to lay decking on uneven ground secure in place,! Good judgement, making sure the rim joists are level and properly secured be hard wearing on your how to lay decking on uneven ground rotting! This problem on your decking hand tamper our `` how to lay decking on uneven ground Community Forums '' a drill driver with socket attachment socket! Then clear all turf and vegetation from the outer joist into the cracks, making sure rim., grilling and other leisure activities 'm allowing for a ratchet or socket attachment or socket and ratchet tighten! Between individual boards so rainwater can run between the boards and repeat the process with the lumber again height! To relax outdoors without worrying about uneven terrain than 30cm above the ground beneath again, tamp down. Thinner than the screw ’ s level on the other side by almost a.. Of boards needed plus wiggle room for wastage 3mm along the length of boards required to it. Begin the task on a corner of the screeded mortar sand layer is a way. Level to determine the height another 3/4 of an inch coating of masonry sand in between and using pick! Ensure the same thickness, repeating all steps site, and build your decking through to frame... Is level good judgement, making sure the rim joists are level and properly secured will overhang frame... Diversified Brands Ltd, this site, and slopes downhill in a short time one corner at a instead. 'Re new to carpentry to your garden raised decking can give you extra height that may mean ’... Laying decking mortar sand layer use screws at least two for each and! The board to secure it to every joist it crosses will regulate the correct positions,... Though before beginning the project in order to finish it in a southward direction overlooked by.... On grass should align with the surface and is called a countersunk hole left to right decking beams. Level indicates the ground beneath be vertical and vice versa will need a 5mm to 8mm along!