lookseehear Posted March 30 Posted March 30 My VCL is going in on top of my plywood sub-deck, which butts up to the existing stone-faced external wall of the house. Where does the VCL go at the house side? The stone is uneven, so I don't think I'd get a good bond if I tried to adhere it to the external face of the house.
ToughButterCup Posted March 31 Posted March 31 (edited) Does this help? I'm almost sure we recessed the VCL into the wall, sealed and battened over the top 75mm ish? We also used an expensive oil-based compound on top of the sub-deck that 'improved the breathability' according to the roofer. Edited March 31 by ToughButterCup
lookseehear Posted March 31 Author Posted March 31 Thanks for this, although it looks like your roof is a cold/hybrid given ventilation above it? I assume that doesn't matter in terms of the VCL, and that it probably needs to be chased in somehow.
ToughButterCup Posted April 1 Posted April 1 On 31/03/2025 at 14:17, lookseehear said: ... and that it probably needs to be chased in somehow. Expand Exactly. Router, > old bit , > 20mm, > lap in, > mastic, > cover with batten, > fasten. > clean up. 1 man, half a day, 10 meters. 1
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