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Question DetailsAsked on 6/15/2012

To fill an inch gap between outside roof and wall?

Upstairs outside -inch gap between new roof and wall. What can I do?

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4 Answers

0
Votes

Without seeing it is best guess fill with a triple expanding foam, Trim off excess and paint or Install molding like quarterround over opening, Pre Prime and Even finish coat before hanging. Instead of butting up pieces miter the end for smoother finish. You could try non expanding foam sealant as well but suggest attic will be home to wasps and birds if opening left alone.

Source: http://heartlandmastershield.com

Answered 4 years ago by jccasper

0
Votes

I'd say your roofer screwed up by the sound of it. There should be flashing along the wall where the roofing meets it. The only way to do it is the right way if you don't want it to leak. What kind of roof is it? If composition shingles some will have to be removed so flashing can be properly installed if on a downslope and then new shingles laced back in. If it is a metal roof the fix can be done without removing the metal roofing.

Todd Shell
Todd's Home Services

Answered 4 years ago by Todd's Home Services

0
Votes

I came across this post looking for a prior similar post to refer someone to - if you have not solved your issue, the other responses assumed, I think, that you were talking about a gap between the roof and an adjacent wall, like to a second story or dormer. If so, then their answers hold true.


If you meant an eave gap under an entirely new roof, between the top of the wall and the underside of the roof, that might well be (especially if between the rafters or truss rafter tails) your eave ventilation gap, which for a ventilated (unheated/unair conditioned) attic provides ventilation air to control heat and moisure buildup.



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Answered 2 years ago by LCD

0
Votes

The gap is either provided intentionally, or is there by accident or by decision not to address it. If it is intentional, you would think it's providing ventilation for the attic (or cavity) space, as suggested already. But in that case, one has to put a barrier across that entire opening, to exclude pests (rodents, insects, birds, etc.). Which would call for either hardware cloth, or some other kind of screen which will not significantly impede the free movement of air through the opening.

In the other case, i.e. the gap is not supposed to be there, then it should be closed up with any material; hopefully a rigid one. Pest-blocking expanding foam could be effective but the foam would have to have enough of a nearby surface onto which it can adhere. If there is a gaping cavity behind the opening, then it's not clear that expanding foam will necessarily stick well. If that is a problem, then one would have to cut out the right shape and size of a closure strip ... rigid, weather-proof material, fasten it up there and then caulk the edges to seal things up properly. Larry

Answered 1 year ago by LC




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