Jul 16, 2015 · There are many factors here to consider. Regardless of joist spacing, there is significant opportunity for movement where the ground hogs or heaves at the joist where boards meet. This is a …

May 24, 2004 · Is there a standard distance/spacing for first floor joists? If not what are the minimum and maximum spacings?

Jan 7, 2004 · Prevents joist rotation. In essence yes. Technical answer is it reduces the effective length for bending about the weakest axis. The building regs give spacing of noggins for joists at various …

Apr 19, 2020 · For floor joists deflection is generally critical: joist stiffness is proportional to I, breadth x depth cubed/12. But it sounds like you need a structural engineer to properly appraise what you have.

Mar 21, 2016 · Hi I am doing some work for a lady in a house when I noticed that upstairs, the floor drops down in the middle of the house. I mentioned this and she said about 18 years ago she had a …

Sep 2, 2006 · Floor joists are in, the stud walls are up and now I'm planning the flooring. In the bathroom I'll be floor tiling and so will t&g chipboard appropriately for that room but what I need to know is - is …

Jul 17, 2021 · Hi, I tried finding regs on this but got a bit lost. I am looking at putting down a subfloor of plywood. The joists are 400mm spacing and are 7" x 2". What plywood thickness should I go with?

Nov 8, 2020 · Answered my own question. If you scroll down further on that page, there is a worked example. So, yes, the bolt thickness is based on the individual thickness of each piece of timber

Apr 21, 2016 · Hi, I'm in the middle of decking one side of my garden, 10m x 3.5m between my house and next doors garage. I have laid a 4x2 frame with 600mm joist centres and supports to the ground …

Jul 16, 2015 · Tom P.S. Here's a diagram of how the floor joists will look. . Depends on spec you're after. I'm building a garden office to similar size as yourself and am using 6x2"s for all floors, walls and roof …