Questions tagged [sagging]

3 questions
9
votes
6 answers

How do I know whether a bookcase will rack/sag/twist if hung using butt hinges as a (non-secret) "door"?

I want to take a bookcase and install it as a door, to hold near 100kg max of heavy food items (but probably less than that most of the time). The bookcase itself is 36kg. The bookcase carcass and central panel use 3 cm solid pine and the bookcase…
1
vote
0 answers

Floor joists on 2x4 ledger

My floor joists are sagging off of the main beam by 1/2” causing the floor upstairs to be uneven only where the end of the joists meet the beam. The joists are notched and sitting on a 2x4 ledger. Some of them have splits coming from where the notch…
0
votes
1 answer

How to brace double layer (2x18mm) plywood against bowing/sagging over a 2.2m span?

I currently have a 2.2m desk made from a double layer of 18mm birch plywood - So 36mm in total - That is currently supported by 4 hairpin legs (700mm tall), one on each corner and a set of drawers (700mm tall) for support in the middle. My plan is…
physicsboy
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