Follow-ups: 1. I’m planning to build a foundation and platform for a 10’x8′ resin-steel core shed. Use that measurement to figure how many and what size concrete blocks to buy. I’d think that once you finished your framing, you’d have no movement so as long as you staid true, you were good, right? When you’re using a string level, make sure the string is very taught. Home Depot Coupons, Coupon Codes, 10% Off Sales – FALL/WINTER 2020-2021, AJ Madison Coupons, Sales, Coupon Codes, 40+% Off – FALL/WINTER 2020-2021, Lowes Coupons, Sales, Coupon Codes, 10% Off, Target Coupons, Sales, Coupon Codes, 10%-60% Off – FALL/WINTER 2020-2021, Sears Coupons, Sales, Coupon Codes, 10% Off – FALL 2020/WINTER 2021, (3) 6 x 6″ pressure treated posts (see below). We setup a string to mark the front edge of our posts and began leveling each one. Very nice job? How long did it take to do that? If you are planning to build your base on a slope it cab difficult, depending on how steep the gradient is. Otherwise, it’s tougher to check that each post is right in line. It sounds like, though, that only the ramp to a lower level option prevents me from somehow approaching the shed from the back. Step 2. To keep everything square, we measured the diagonal distances to make sure they were equal. All Rights Reserved. Combine 2-, 4- and 8-inch thick blocks to get the proper height. thanks Thanks for the advice; it’s very helpful. I will be getting a 12’by20′ same slope as your. Its weight also helps … Water will get trapped by the concrete and speed up the rate of decay. if the ground is sloping), then the ground level is the highest part of the surface of the ground … Editors update: The shed has been delivered, and I’ve updated this post with some additional pictures. Since retiring he has written freelance stories and a weekly computer security column. I don’t think this sort of foundation would be acceptable for any sort of garage. I think if we had to connect the two, it would have meant pulling permits (in our area). For additional support and to keep our foundation from racking, we added 2 x 8″ joists between the support beams. how will you complete the entry into shed. The posts are oriented this way because the cut sides will have slightly less pressure-treated chemical in the center. https://plasticinehouse.com/how-to-build-a-shed-foundation-on-uneven-ground The holes measured about 16″ across. 8 of them or 6 and how did you get shed up on foundation> I know you guys have done and watched a lot of projects like this, but how much drawing and planning went into this foundation before the first piece of lumber was cut? Lastly, we cut the back of the support beams to the appropriate length. Building a shed base on uneven ground Firstly, start by marking out how big your shed is, this way you can be accurate as to where to place blocks. Put a stake at the highest point where the shed will be, and a taller stake or pole at the bottom or back. Furthermore, local code offers three acceptable ways to construct supports and this is one of them. If … I don’t think we had any drawing at all. This is a helpful trick to make sure that each post is the same distance from the string. How many posts would be recommended to use for the 14 x 20? Good thoughts. You have the permits and the right shed plans. Follow the process of levelling uneven ground (sloped in this instance) ready for a shed base. Example - a 300mm leg should have no more than 120mm of leg exposed, and 180mm embedded in the concrete. When wood gets wet it expands and will crack the concrete, which can create an area where water sits against the post in large quantities without draining, which promotes premature wood rot. I would do footings and posts on the high side and low side. Building concrete shed base on very wet ground - porous or non porous sub base? Obviously the posts on the lower side will be taller so that the entire base is level. I have very rocky soil on my sloped property and instead of digging for concrete footings, would digging a 1-2 foot hole filled with tamped aggregate and then placing pre-cast concrete piers that accept 4×4 posts on top of the aggregate work for this project also (assuming it meets code and all that)? Step 1: Firstly, measure the size of your new Can you tell me where your friend got the shed? Meaning the footer is down 30inches each from top of soil at that particular spot. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. How to Install a Shed on Uneven Ground Step 1. The shed will be constructed on a skid of 4 x 4’s running left-to-right along the length. You could build a side platform and then come at it from above. Not only that, uneven ground allows gaps to appear in your shed base and … I personally would be OK with this setup for a shed, but obviously wouldn’t use it for my house. To make this cut, we used a circular saw on each side of the posts and a reciprocating saw to cut through the center. The retaining wall. It will be 12x30 on a slope of about 30" the length of the shed. It is also fairly easy for a novice DIYer. From that, we knew where to dig and how (roughly) how tall each post would be. While my friend was shoveling, I was constantly making changes to keep everything level, and good thing because after backfilling, we couldn’t budge the posts at all. Also the posts are harder to replace if you need to do that in the future – and sufficiently packed dirt will be plenty to keep them from moving. I share some of Derek M’s concerns about burying the wood posts, but agree that you’ll probably get many many years out of this before experiencing any problems. A shed should not be situated, however, on a very steep slope, which would be subject to heavy rain runoff and erosion, unless you plan to build poured concrete stub walls such as are used on house foundations. The string guides were useful for determining the slope of our site, finding the high-point and marking the locations for our post holes. To correctly level the ground it is best to … We are not able to build a post & beam foundation ourselves so do you have a recommendation for someone in the Washington Metropolitan area that could do the job? Hi, we're Ethan, Jocie, Kim and Fred. The ground slopes … Does your friend have any plans to skirt it with lattice to keep out critters? Set the upper base block firmly into the soil, preferably at least half the depth of the block. String builder's twine between those two, with the twine at ground level on the higher stake, and level it with a line level. I would think that in the case of the slope here, you’re probably going to get pretty good drainage around the footers. We were careful not to dig too deep because we wanted the concrete footers to rest on undisturbed ground. Well technically the 5-6″ base in the holes of concrete looked like a good idea but I believe you are supposed to use gravel to deal with drainage down in the hole itself after having concrete and the post in it. Put a stake at the highest point where the shed will be, and a taller stake or pole at the bottom or back. This sounds like a great way to go. Next, we mixed up several bags of concrete and poured 5 – 6″ in each hole. So, how you choose to close off the bottom of your shed can impact your treasures safe keeping. Remember, I’m not an expert so these are just my suggestions. A buddy and I had to use that same method (with string lines) on a deck but the difference from high to low was 10′ and some of our piers were about 6′ deep. It is made to the precise size of the shed floor, and is pegged into the ground and levelled. It might be worth it to move the shed down the slope a little bit to buy some room to approach from the back. If so, did you find them to have any movement after you backfilled and tampered the dirt? Using a quick-clamp and speed square as a straight-edge, we cut each post to the right height. How to Build a Post for Garage Foundation on a Slope? A more typical shed foundation can be built on unlevel ground using concrete blocks. Would you recommend anchoring the 6x6s on top of concrete piers (poured into a cardboard tube), or are the pressure treated posts stalled directly into the ground much the same way as you described. Combine an 8-inch block and a 4-inch block, for instance, if the fall between the top of the slope and the center is 4 inches. Hi, I am trying to buy a home. I think because I used gravel in the bottom of the hole, it wasn’t a solid enough base and the shed house of mine sunk a little. We ran several string guides set 16″ in from the corners. For this project, we decided that 6 posts, (2 rows of 3 posts) would give us a solid foundation. It occasionally gets damp and stays for a few weeks. Wish you lived nearby because I’m very new to such projects. I’ll have to build one of these on a steep slope, so thank you for the instructions, and wish me luck! I am building on a slope that borders protected wetlands. Ground level is the surface of the ground immediately adjacent to the building in question. Great write up! This is a great way of achieving a level base, allowing maximum airflow to keep the underside of the shed … (2) Would I be better off using 2×6’s for the frame for more stability? We’re going to put in a 10×10 shed with about a 12-inch total slope. It’s not actually secured to the beams. Also I was wondering if every post is different length, since the ground is lower on one side versus the other. Shed base on sloped ground. located. I’m hoping one day to store a ride lawn mower in it. In view of the kind of wind that we’ve had in the past few years, I want to fasten these things, rather than just rest them on the footings. You stated that you used (3) 6×6 posts and (8) 2x8s, but didn’t specify the length. how is the shed actually secured to the support beams? At the lower stake, measure the height of the string from the ground with a tape measure to find the inches of fall between the top and bottom. 2) I’m not familiar with (local) building code. Install a 5” Gravel Base. When the ground is uneven, it can vary quite a bit from one spot to another, so it’s crucial to pick the exact spot you want the shed's … Looks great! Side entrance could use a retaining wall either above or below the entrance to create a level spot for an entrance. What to do? . Mark out the area and remove the surface. I would not, however, recommend setting these posts in a hole on top of a concrete pad. The nails are 3-1/4″ long so driving them at an angle ensures they don’t protrude through the opposite side. For this project, we … Structural screws would have been sufficient to hold the 4×6 beam in place. That’s fantastic. How to build a shed base on uneven ground. I have similar slope, but I want to put in a 12′ x 36′ shed in. My friend got the shed through Maryland’s Best Sheds, and the link is at the beginning of the article. Any kind of outdoor shed will require some kind of floor, regardless of if it is built from scratch, or built using a plastic shed kit. My slope isn’t that big, but will likely end up going this route. my shed is similar and I want to drive my riding lawn mower inside how will you build up ground to be even with bottom of door? Is ther a reason not to concrete in the posts and only need footer? Call the North America One Call Referral Service (1-888-258-0808). It’s much better, I believe, to pour some gravel into the bottom of the hole so the water can drain away. So that means I would need floor joists every 16″. As we leveled the posts, we used a small amount of pea gravel and dirt to temporary hold the posts in place. I’ll be sure to add pictures when it arrives. In this case you would have 2 beams 18ft long (4 2x10s). The pressure treated wood should then be anchored to concrete above the ground. How would I fasten the frame or posts to the footings? Plan to set one concrete block pier at each corner of the shed, in the middle of each wall and in the very center of the shed. Since we’re using 2 x 10″ boards for our support beams, we measured 9-1/4″ (2 x 10″ boards actually measure 1-1/2″ x 9-1/4″) up from our line. I’m really pleased with how everything turned out. Find the measurements for the base of your shed on the side of the packaging. The foundation for that shed must be. However, this may not be the case for everyone. Otherwise, you won’t get an accurate measurement. I am on Montserrat in the Caribbean, so I need to consider hurricane season, Nicely illustrated project. Or even do a ramp to a lower landing and then another ramp in a different direction. Is there a recommended max distance between posts? I also put in rebar as well. But are those joists to be parallel or perpendicular to the 3 main ‘support beams’? Unless I want to build up land to support a true side entrance, approaching from the side. We talked through the plan a good bit, and we put a lot of time into getting the string guides just right. Yes it’s pressure treated, but that doesn’t mean it won’t rot eventually. Altogether it took place over a week- a few days to hand dig the holes, let the concrete dry, and wait for the weather to clear. The ground slopes both to the right and down towards the house so I have dug the size of the shed … For that, I believe you’ll need a block and concrete foundation. The foundation should be concrete poured into sonotube so that the concrete is at least 6 inches above ground level. I imagine I need to go deeper since I am PA. Scott, you don’t want to pour concrete around pressured treated footings. Go with 2x6s or even 2x8s. Last week I had the opportunity to help a friend build the foundation for a new shed that will be delivered in a couple of weeks. In the case of an above-ground footing that doesn’t need extension by a post, how is the frame fastened to the footing? This allowed us to go back and make adjustments if necessary. Set a long 2-by-4-inch board across the blocks with a level on it and adjust the blocks until the tops are level the length, width and diagonals of the shed. 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To store a ride lawn mower in it – which will be constructed on a slope borders! 4-6 inch base you ’ ll need a block and concrete foundation we... A standard size, I believe manufacturers ( like Simpson ) make ties for connecting footings... Always attach a few weeks at each corner and in some cases you may need to get foundation...