June 4Jun 4 Any reason why I should not use 19mm over 25mm roofing battens for gapped rainsceen cladding - have a large project and every penny count. Some arguments have been about splitting during nailing, but if they are used for roofing, I can't see that it would be an issue. Also is the difference of 19 vto 25mm ventilation gap really that significant.
June 4Jun 4 Far to thin, I have used them under my soffits where I needed to pack them down a bit, I would not use them on a facade. not enough meat for the screws to grab hold of. Edited June 4Jun 4 by Russell griffiths
June 4Jun 4 are finances that tight? couple of pence per foot difference just not worth the fallout like re-fixing in a couple of years
June 4Jun 4 11 hours ago, ricardo100671 said: but if they are used for roofing I thought 25mm was the minimum for roofing anyway, wouldn't use less
June 4Jun 4 19 minutes ago, torre said: I thought 25mm was the minimum for roofing anyway, wouldn't use less Any less would be bouncy and not reassuring to walk on. Rafters would need to be 400 as well.
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