How to seal gap between wood framing members, wall and roof
#1
09-20-13, 03:15 PM
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How to seal gap between wood framing members, wall and roof
Good Afternoon all!
I am not sure of the terminology but there are gaps where the wooden framing enters into the wall and meets the roof. Its a question of how to seal the wood of the framing members to the wood of the fascias(?)
I would estimate the gaps are upto 5/8 inch. Should I use caulk, spray foam or is there some other sort of wood glue/filler that would be ideal.
The main objective is to prevent pests from entering the attic
Pictures would help
Thank you.
I am not sure of the terminology but there are gaps where the wooden framing enters into the wall and meets the roof. Its a question of how to seal the wood of the framing members to the wood of the fascias(?)
I would estimate the gaps are upto 5/8 inch. Should I use caulk, spray foam or is there some other sort of wood glue/filler that would be ideal.
The main objective is to prevent pests from entering the attic
Pictures would help
Thank you.
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#2
09-20-13, 03:42 PM
First get some foam backer rod (caulk saver) to stuff into the wide gaps. They sell it in 1/8" increments, so you might want some 1/4" or 3/8" or 1/2" or 5/8" backer rod. It needs to compress slightly, so for a 1/2" gap you'd use 5/8"... for a 1/4" gap you'd use 3/8", etc. It comes in a bag, 25' long usually and it's pretty cheap... maybe $4.
Then get a latex caulk that is paintable (don't use 100% silicone) and caulk the gaps.
Then get a latex caulk that is paintable (don't use 100% silicone) and caulk the gaps.
#3
09-20-13, 06:37 PM
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Thanks Xsleeper, I do happen to have some backer rod here. I could squeeze that in there definitely... thats interesting about latex caulk... we get plenty of sun here and I was always under the impression that latex caulk did not do too well with outdoor sun and movement. I was leaning more toward polyurethane if I used caulk... but hey if latex will work, thats much easier and cheaper!
#4
09-20-13, 07:15 PM
You can certainly use polyurethane... it just does not tool as nicely as latex. And by latex, I meant a "quality" latex, not the cheapest one out there. One of the better latex caulks IMO is Sashco Big Stretch, as far as elasticity is concerned. Vulkem is a good choice too if you want a polyurethane that stays flexible. It tools pretty well, compared to others.
#5
09-21-13, 03:56 AM
I agree with Brant on using Big Stretch. It is far superior to regular caulk products in that it "stretches" and compresses with the changes in the season. With two planes going together, you will get uneven movement, and it will really keep things tight.
#6
09-21-13, 01:44 PM
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Big Stretch sounds good. They also have a "through the roof" product for roofs that I can use. Thanks. I think I have a plan to implement. Though with a minor change, apparently rats/mice can chew through caulk, backer rod etc so it is recommended to use copper/steel wool as a backer rod.
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