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The decking planks will run parallel with the house so the support joists will run at rightangles to the house. The problem I have is what size of joist I can use? I am restricted by the hight above ground I can go as the house door is just 27cm above ground level and there are airbricks 14cm above fround level.
I'm building a ground level deck with 2 x 4 joists supported by adjustable post bases, (Bison's). I can't use a thicker joist because of door threshold clearance. The AMC span table table gives me about a 5 - 6 foot span for a 2 x 4, (depending on species/live load numbers). Honestly, that sounds
Deck Joist Sizing and Spacing. Most decks use 16" on center spacing for joists. Most decking is not strong enough to support longer spans than 16". Some builders reduce joist spacing to 12" on center to strengthen the deck frame or to increase maximum allowable joist spans.
decking frame. Discussion in 'Builders' Talk' started by Swiss, May 17, 2005. the rails. So its easy to screw the stile onto the rails. I make them big enough for me to carry and position in the deck location. So I can do it all one handed. I use 4x2 for the main joists held together by 4x1. Then 6x2 verticals concreted in to fix to.
As Saige composite decking installer you can use 4x2 treated joists as with all wood will rot eventually, if you i would put down mot type 1 wack it down then put a good quality landscape fabric down will reduce the rotting of the timber, you might have to dig out first of course.
Simple low level decking . Low level decking is the simplest to build and can be built where the ground is level either naturally or through landscaping. As with all decking, it can be built against a building, possibly with patio door opening onto it, or free standing elsewhere in the garden. (4x2 inch) joists, supports should be no
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