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Hi all, I am sistering some joists (not rotten, just need more strength!) Both joists are 120x45. This is the plan: One end sits in a wall pocket, which I think I'll have to cut an angle to the end of the joist to help it fit. 1) Place a laser level or string line across the two bearing...

Thank you everyone for your replies. You guys gave me the confidence to really press the SE and get my answers. And he confirmed sistering the plan is sound. Appreciate you guys!

Hello everyone! I’m looking for your opinion on a disagreement between my structural engineer and my builder regarding a bathroom renovation. We are renovating a bathroom and adding a new bathtub. Span: 2.35 meters Existing Joists: 5x2 (120mm x 50mm) One end of the joists is notched into the...

That would make my life so much easier. The SE is a bit slow, very good with calc but a bit bad with the practical works..

Thanks so much for taking the time to reply. Do you suggest basically just adding new ones in between in leaving the old ones as they are? Do you think I should go for masonry hangers that face-fix with bolts or the type that you fit into the mortar line, then slate pack it? Thanks again!!!

I’m a DIYer fitting a new bathroom (adding a bath where there hasn’t been one before) and need a sanity check on my structural plan. The structural engineer has advised "Upgrade to minimum 150mm depth at 400mm centres". Existing Joists: 120mm x 45mm (5x2) at 400mm centres. End A (Masonry...

Hi all I'm really stressed trying to figure out how to move ahead with this issue. Paid contractors to do it originally but they let me down massively I am currently renovating a bathroom and need to sister existing floor joists to support the additional weight of a new bathtub. I am looking...