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What Size Sonotube For 6X6 Deck Post

What Size Sonotube For 6X6 Deck Post - Web a 6 x 6 post is actually 5 1/2″ square and a doubled 2 x 12 finishes at 3 inches. Web a good size for a common backyard deck is a 10 or 12 diameter for the sonotube and a 20 base diameter. We tell using 6x6 posts owing to their strength. I am more confused about the support posts for the landings. Web okay today’s question is what size sonotube to use given a post size. Web my understanding is that the footings for the main deck 6x6 support posts will need to be 17 in diameter, set at frost depth (30 here). 4 x 4 post should i go 8 inch or 10 inch?; For column heights in excess of 20’, call for technical assistance. Web i use tubing, 36 inch deep with gravel on the bottom (30 inch tube+ 6 inch gravel, as per city requirement). So the roof rafters run out over the header on the 6x6, that is fine by itself, the question is the 4x4 for the porch beam holding the floor joists.

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This Guide Contains Everything You Need To Know About Whether To Choose 4×4 Or 6×6 Posts For A Deck.

We tell using 6x6 posts owing to their strength. Most of the beams around here are not sitting on notched posts, they are bolted to either side of it (if they are even bolted and not just screwed.or nailed). Whether you’re building a deck, a fence, or setting up a lamp post, choosing the right size sonotube is key. So here is the question, looking at a footing for 6x6 column & 4x4 column for a porch beam, side cut view, closeup and top view of the sonotube.

So The Roof Rafters Run Out Over The Header On The 6X6, That Is Fine By Itself, The Question Is The 4X4 For The Porch Beam Holding The Floor Joists.

This is to support a pergola on top of deck. For column heights in excess of 20’, call for technical assistance. Meanwhile, a 6×6 post would warrant an 18” sonotube. However shorter, multiple lifts are recommended to enable adequate vibration for best overall results.

As For Deck Footings, This Same Rule Of Thumb Applies.

Web installing wood floor posting on top out concrete footings will provide add support for your deck. Or do i notch the post and rest the 3″ thick beam in that? Deck posts are standardized in size to a degree to make things easier when building. The problem is that there were no 12 tube anywhere to be found so i decided to go with the 10 tubes.

Web My Understanding Is That The Footings For The Main Deck 6X6 Support Posts Will Need To Be 17 In Diameter, Set At Frost Depth (30 Here).

Web what size posts should i use for a deck? Of course, you can get a 24 base size and it will spread weight over an even greater surface area. Web i use tubing, 36 inch deep with gravel on the bottom (30 inch tube+ 6 inch gravel, as per city requirement). 4x4 (4 feet by 4 inches) 6x6 (6 feet by 6 inches) 8x8 (8 feet by 8 inches)

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