redtop Posted March 28, 2020 Share Posted March 28, 2020 (edited) So we have the ground floor walls up but no 2nd floor or roof. And builders have downed tools for now. I want to catch up with some jobs I can do. We are using propassive OSB as the racking and airtight layer, which has been fitted on ground floor timber walls. Can I install the air tight tape (Sicrall 60) over the OSB joints and screw penetrations or will it get damaged if it then rained on (which is inevitable). Should add I was thinking of putting a 2nd layer of standard waterproof builders tape over the silca to protect it. ore work but think I have plenty of time on my hands for now... Edited March 28, 2020 by redtop Link to comment Share on other sites More sharing options...
nod Posted March 29, 2020 Share Posted March 29, 2020 Better to be watertight With talks of the lockdown being extended till June It May be worth contacting your builders Quite a few sites locally are locking the gates behind them and carrying on as normal Link to comment Share on other sites More sharing options...
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