04-11-2003, 11:42 PM. Do not pick the cheapest. But I still don't because the young's modulus is seemingly impossible to find for wood and even with it my formulas will only give me deflection and I don't know how much the wood can deflect before breaking. 6x6 looks pretty substantial but the vertical thickness is the important bit here. With a perfect weight repartition on both 4x4 ends, 5000 lbs. 5 years ago. People, who want to know how much weight can a 4×4 beam support, be it on the backyard swing set or the deck with a hot tub in it, worry not because we have got the answers for you. But that is only one part of it. I have an old cedar deck, and most of the decking and vertical support posts are rotted out. Or you're down to the last post and it's not tall enough. is it really flat roof? Home Improvement Expert: Martin, Construction Worker replied 10 years ago. Guest #2. In general, the maximum span for a 4-by-6 beam is 6 feet between 4-by-4 posts. So, let's approximate the 4x4 as being able to support 7500 pounds and use a safety factor of 3. I've looked all over for data on the breaking strength and even looked for my old beam calculations from engineering class. The weight will be right at the middle of the span as well. How to Make a Deck Post Taller. Perhaps you trimmed damage from one end of a post. Here's an example a 6x6 #2 SPF column 8'-0" in height can … I'd say the post will support more weight than the concrete (and ground) will be rated for. the wind load is typically used in a materials and fastening equation. Punky OP Carpal Tunnel Punky OP Carpal Tunnel. Hundreds of pounds. My shop is 17 years old, but has a new concrete floor, 6" thick, re-bar laced. Make sure your plinth is at least as large as your post. Reinstalling the posts. then tie back down onto vertical post with angle braces from outside structure. Here you can work on the assumption that there is no wind or the wind impact effect is not too strong. I had planned on using 2x12 … read more. How much weight can a 6x6 post support vertically. If there is no strong wind, a 2x4 measuring at least 8 feet can support at least 1,000 pounds vertically. StructuralEng. How much weight will a 4x6 hold MountainBum A 4x 6 will be fine. Such … The smallest beams for patio covers are typically 4-by-6. However, it is highly advisable not to push the 2x4 material up to its limit. These numbers were gathered from the internet.>> A piece of yellow pine in an inside dry location can hold 1200 pounds per square inch and a 4" x 4" is really 3 1/2" X 3 1/2" or 12.25 square inches times 1200 is 16150 pounds. might be easier using glu-lam? That's way too broad of a span for 6" wood. You should add diagonal braces as in the picture below where 4x4s may be a suitable size. How much does the rest of your deck weigh? These mounts can support a ten foot pole, and are held down with cinder blocks. How much weight does a 6x6 post support vertically? How much weight can a 2x6 hold on edge based on load type? The weight would be evenly distributed. How much weight can a 6x6 post support vertically. The type of load in question will also determine how much weight a 2x6 can hold on edge.For example, a 2x4 lumber may hold a 4-cylinder engine comfortably but may not hold a bigger one. You might want to get the laminated beams for the lintel, Spanning 24 feet is a little out of reach of 3 2x12's. If you are worried about them, just soak the bottom of the post in a pail of wood life or some other preservative. 2) Summary: Concrete three 6x6 support posts under deck, Concrete above ground and a 10 " diameter around existing 6x6 posts. the post will be in the vertical position, used temporary to support a suspended slab. The closer to the leg the better. total height is 9 feet but will be supported against side bending with a max of 5 feet allowed to bend. To accommodate our 6x8 wood post, we used a standard 8x8 half-corner block. The wood is fir or yellow pine. Answer. The discussion quickly leads to the overall strength of the framed structure. edit [assuming will be incorporated into a structure] Last edited by Able_Dog; 12/27/11 12:42 AM. Dig down 20 to 24 inches into the ground. If you move up to 4-by-8, you're usually allowed to span up to 10 feet between posts. On the other end, a 2x6 can support a V8 engine of between 600 – 700 lbs. Also what is the max length a 6x6 can be used? Consultant. I'd like to know how much weight a 4X6, 4X8, and 4X10 wood beam can carry over a 15 foot span. Maybe you forgot to measure twice and cut once. I wouldn't even think of using anything less than 3 sistered 2x10s if it's load bearing. The harder the wood the better. Such calculations would hold if, for instance, the load is square. Asked by Wiki User. the 2x10x12 dbl'd up everywhere? 0 0 1 … Save time by setting the plinth block on a still-wet footing once the concrete can support the weight of the block. Step 12 . How much weight can a 2×4 support vertically? How much weight can a 6x6 post support vertically How much weight can a 6x6 post support vertically Wiki User Answered . A 4-by-10 can usually span up to 12 feet between posts. Four posts should safely be able to support 10,000 pounds. Top Answer. Detail (for #2) Jack up the deck and brace it. Joined: Jun 2005 Posts: 5,980 … 1) Jack deck up and replace 6x6's and put rubber sleeve on them. I would be better if you put a rope over the beam and suspended the bag from it Drill your holes through the center of the beam if you must have holes. Here you can operate by assumptions that there is no wind or it is not as strong. El próximo 26 de abril dará inicio el Festival del Apio en Barranquitas. However, if there is no strong wind, measure 2×4 at least 8 feet can carry at least 1000 pounds vertically. Install the post on a new plinth and footing only after the concrete has cured for seven days. 2012-09-05 04:16:34 2012-09-05 04:16:34 . Swings can expose a lot of sideways force and so the posts need more support than you have described. I would definitely have an engineer look over your final design. My problem: my posts were made 5 1/4" too long. Write much or many. I'd like to rebuild the deck as-is, just replacing the rotting pieces. i would pitch it some so water can roll off. Probably far less than the extra 6,000 pounds. The issues around deck load capacity is one I receive often from visitors asking how much weight they should design their deck for. 1 2 3. the support equation (for vertical supports, ledger + posts) needs to accommodate dead load + live load + snow/water load. However, not everyone can master the art of decoding how much suitable weight wooden beams of varied sizes can hold horizontally, with or without any vertical support. Pick one that does not have knots in it. I am building a deck 10ft off the ground and have 4x4x1/4" steel post for support with 6x6 'H' beam @ 25# ***** foot on top. Another alternative is to use two 6x6 posts that are arranged as an A type frame with a cross bar about a third of the way up from the bottom. Re: Limitations of a 6x6 The maximum a 6x6 can be used really depends on the total weight on the column and length of the column. Basically what are the limitations of a 6x6 as a deck post. How much weight can a 2x4 support vertically? Weight limitations and how does length affect that? Re: 4x4 Pressure Treated Posts #698236 12/27/11 02:58 AM 12/27/11 02:58 AM: Joined: Jun 2005 Posts: 5,980 East Aurora, NY. The 6x6 is about $25 each, 14 foot, 3 foot in the ground, poured with the slab, you can get .25 pressure treated stuff, which is supposed to last longer, but nobody does. Support a V8 engine of between 600 – 700 lbs if it 's bearing. About them, just soak the bottom of the post will be supported against side bending a. Would n't even think of using anything less than 3 sistered 2x10s it. 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