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Cheers, much appreciated :p

Cheers bud, forgot to mention there is no intermediate support for the area. So would it be more likely to be a concrete roof at that time??

Thanks for your reply, got another question for you now :p Again related to 1930's construction, how would a flat roof be constructed to span an area 7.5m x 7m?? Any help appreciated!!

Well, the best option would be to fit insulation between the rafters and then have a vapour barrier on the warm side of the insulation as this will prevent the passage of moisture through the structure. You could leave an airgap between the roof covering and the insulation as this would...

It could be that the joist is restricting the air flow in the roof space, this could be a problem as stagnant moist air could accumulate in the loft causing condensation. Obviously this condensation can lead to rot in the timbers so it may be worth having a closer look. Also make sure that...

Hey everyone, Looking for a bit of help, im currently doing a building surveying course at uni and am doing work on roof structures. The task i have atm is to find what roof structure would have been used in the 1930;s to cover a span of 9m x 6m with no loadbearing walls. Could any of you...