WebIf you have proper attic ventilation (which is more important) the underlay And plywood will dry fast. It’s better to shingle while wet then trust it to stay watertight for that long. Ima … WebMay 9, 2024 · Your observation is correct that installing materials in wet conditions should generally be avoided. In the case of putting shingles over shingles, there’s an assumption that the heat of a...
Wet Felt Paper, Can I Roof Over It? — AskARoofer®
WebJan 21, 2024 · Walking a wet asphalt shingle roof isn’t any more dangerous than walking a dry roof, provided it’s clean. Yep, you read that right. I said it. Of course, there’s a bit of risk involved with walking any roof, but the added risk caused by walking a wet asphalt shingle roof is way overblown. WebOct 11, 2006 · look at the stamp on the plywood. If it says "exposure 1" it should not delaminate under wet building conditions. If it is in fact delaminating you either have the wrong exposure rated plywood or a warrantee claim. Kalia, as already noted, the roof will dry out ...its not a problem. durham county ems station 4
DIY Roof Cleaning: How to Clean Your Asphalt Shingle Roof
WebNov 18, 2013 · The felt as you know is designed as a last stand against water intrusion on to the roof sheathing and into the home. Roofing felt or tar paper can be left out in the … WebOct 14, 2006 · I would choose not to roof over weet plywood, so to avoid that, I plan strategy such as to always have it covered immediately as it is laid. It does no harm to have a small amt of moisture between the underlayment ( whether tarpaper or the advanced underlayments) and the shingles, But shingling in a downpour is not smart for other … WebJan 2, 2011 · Sean, The published permeance values for #30 asphalt felt range from 0.5 perm to 3.0 perms. However, these are the permeance values when the felt is dry. Like #15 felt, #30 felt has variable permeance depending on its moisture content. If the felt ever gets wet, its permeance rises, so in essence it is a smart vapor retarder. durham county fire alarm permit