I'm currently building a conservatory (internal measurements are 4.5m wide x 3.75 projection) which will need a suspended floor due to outside ground level being lower.
I have opted for timber joists which will rest on the inner skin of the cavity wall at the projection end and off joist hangers bolted to the house wall.
Similar to example 4 on this page :-
http://www.conservatory-base.co.uk/concrete_bases.htm
Will 150mm x 50mm at 400 centres suffice for this span?
I have opted for timber joists which will rest on the inner skin of the cavity wall at the projection end and off joist hangers bolted to the house wall.
Similar to example 4 on this page :-
http://www.conservatory-base.co.uk/concrete_bases.htm
Will 150mm x 50mm at 400 centres suffice for this span?