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Message
Best material to seal exterior gaps
Posted on 6/18/21 at 10:43 am
Posted on 6/18/21 at 10:43 am
I have gaps in my exterior that wasps are getting into and nesting in that need to be sealed. One of them is a gap between wood and shingle, the other is between brick and the window. Any advice is appreciated.
8
Posted on 6/18/21 at 10:50 am to scott8811
You can use door or Windsor caulk on the brick/window area.
For the wood/shingle area, you could use roof tar( they sell it in a caulking tube). It’s messy, so you may need to touch up the wood with paint
You could also try great foam seal from the inside of the attic area.
For the wood/shingle area, you could use roof tar( they sell it in a caulking tube). It’s messy, so you may need to touch up the wood with paint
You could also try great foam seal from the inside of the attic area.
Posted on 6/18/21 at 11:00 am to scott8811
For the wood to shingle I'd use a non expanding foam from the inside.
Posted on 6/18/21 at 11:11 am to BlackAdam
[img]For the wood to shingle I'd use a non expanding foam from the inside.
[/img]
I cant access this from the inside. It's kind of on an eave that frames the windows below the floor of the attic
[/img]
I cant access this from the inside. It's kind of on an eave that frames the windows below the floor of the attic
Posted on 6/18/21 at 11:28 am to scott8811
I'd hit it with some Great Stuff. Just make sure to keep checking it every so often so you can wipe off the excess. Then when completely cured, go back with a utility knife to clean-up
Posted on 6/18/21 at 11:30 am to Weekend Warrior79
Both gaps? or one specifically?
Posted on 6/18/21 at 11:30 am to scott8811
I'm no pro so I'm not positive, but what I'd do is get some expanding foam and fill in the gaps. Then cut it flush, and caulk it.
Posted on 6/18/21 at 11:48 am to scott8811
I'd use it for both. Although, I have never tried it between shingles & wood; so I would double check to see if there is a better application for this specifically before doing it.
Posted on 6/18/21 at 1:33 pm to Weekend Warrior79
Thanks for the help, decided to go with great stuff. Have a great weekend! 
Posted on 6/18/21 at 1:51 pm to scott8811
That siding at the shingles will def rot in a few years.
It will stay wet cause it is to close to the shingles.
It will stay wet cause it is to close to the shingles.
Posted on 6/18/21 at 6:37 pm to scott8811
If it's my house I'd go with clear Lexel for sealing the wood to shingles. It's clear and extremely UV resistant. And it has really good elasticity which is important when you have dissimilar material moving at different rates in response to heating, cooling, and plain old high wind. If you go with expanding foam you'll want low expansion over the more typical high expansion. You can mess up a lot of things by pushing soon to-be expanded foam behind it. Think lifting up a sunken concrete pad. Black asphalt (tar) roofing in a tube is far cheaper but messier to master if not familiar and cleanup's a bitch.
For the brick to door a good siliconized latex is good since it's water wash up and can really be tamed with a wet sponge. And since you had to ask I'd suggest using masking off the brick side from top to bottom with blue tape. Lining it up with the wood edge. It'll make a much neater finish. Plus it's paintable. If you have a big gap some loose insulation can be a real friend.
For the brick to door a good siliconized latex is good since it's water wash up and can really be tamed with a wet sponge. And since you had to ask I'd suggest using masking off the brick side from top to bottom with blue tape. Lining it up with the wood edge. It'll make a much neater finish. Plus it's paintable. If you have a big gap some loose insulation can be a real friend.
Posted on 6/18/21 at 11:36 pm to scott8811
I've seen Great Stuff that was soaking wet because it was exposed to the exterior and it absorbed and held water. That convinced me not to ever use it where it could be exposed to water.
Posted on 6/19/21 at 8:12 am to scott8811
I've started using marine caulk for any external caulking on my house. 3M 4200 is what I use most often. Perfectly water and UV resistant basically forever. They also have a slightly less gooey product for deck hatches but I haven't tried it yet. I just use 4200 for everything these days.
Posted on 6/19/21 at 8:25 am to scott8811
That gap between siding and shingles should not be sealed in my opinion.
You'll just trap rain behind there and cause it to rot. It's there to let the water drain out and dry.
You'll just trap rain behind there and cause it to rot. It's there to let the water drain out and dry.
Posted on 6/19/21 at 9:15 am to ItzMe1972
quote:ditto
That gap between siding and shingles should not be sealed in my opinion.
I'd seal everything but the bottom.
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