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Message
Replacing asphalt impregnated sheathing from the inside
Posted on 10/27/16 at 9:53 am
Posted on 10/27/16 at 9:53 am
Anyone dealt with this in their flood repair yet?
Apparently there is some method where the boards are cut 16" on center to fit behind the studs and attached with furring strips to the brick via toggle bolts and having the edges sealed with expanding foam. It was devised by the insurance companies to avoid paying for a correct repair lol.
Apparently there is some method where the boards are cut 16" on center to fit behind the studs and attached with furring strips to the brick via toggle bolts and having the edges sealed with expanding foam. It was devised by the insurance companies to avoid paying for a correct repair lol.
6
Posted on 10/27/16 at 9:58 am to TigerRagAndrew
quote:
asphalt impregnated sheathing from the inside
Yep, that's how all pregnancies begin.
Posted on 10/27/16 at 10:07 am to TigerRagAndrew
My insurance company only wants to pay for this. Any suggestions on getting them to pay for the correct method also?
Or contractors recommendations on not removing it?
Or contractors recommendations on not removing it?
Posted on 10/27/16 at 10:25 am to TigerRagAndrew
A few people I know in this situation tore out the blackboard totally and had closed cell foam sprayed on the backside of the brick to fill the cavity. It's a good idea to add some corner bracing of some type also if there is none. Closed cell is critical so the moisture that gets through the brick doesn't migrate.
Not an ideal repair but short of removing the brick veneer and resheathing there is no good way to do it from the inside and maintain any type of drain cavity behind the brick.
Not an ideal repair but short of removing the brick veneer and resheathing there is no good way to do it from the inside and maintain any type of drain cavity behind the brick.
Posted on 10/27/16 at 10:28 am to TigerRagAndrew
Well maybe the asphalt and sheathing really loved each other, you have no right to determine who impregnates who.... love wants what love wants.
Posted on 10/27/16 at 10:34 am to AndyCBR
A link I saw said using closed cell foam would yield freeze crack damage on the brickwork.
Posted on 10/27/16 at 10:40 am to TigerRagAndrew
Seems like a bad idea to me.
You are reducing the cavity wall depth (should be minimum 1"), thereby reducing the ability of the air space to ventilate and drain any moisture. Second, the general idea of any sheathing / weather barrier is to form a continuous barrier to guard against moisture. Having a seam every 16" (even if it is sealed with foam) is asking for leaks to occur.
But I have had a contractor tell me this method was used in houses that were flooded in Katrina.
You are reducing the cavity wall depth (should be minimum 1"), thereby reducing the ability of the air space to ventilate and drain any moisture. Second, the general idea of any sheathing / weather barrier is to form a continuous barrier to guard against moisture. Having a seam every 16" (even if it is sealed with foam) is asking for leaks to occur.
But I have had a contractor tell me this method was used in houses that were flooded in Katrina.
Posted on 10/27/16 at 10:41 am to AndyCBR
quote:
Closed cell is critical so the moisture that gets through the brick doesn't migrate.
quote:
maintain any type of drain cavity behind the brick.
How does the moisture make it's way down to the weep holes to drain with the closed cell foam applied directly to the birck?
Posted on 10/27/16 at 11:09 am to TigerRagAndrew
(no message)
This post was edited on 4/3/17 at 4:22 pm
Posted on 10/27/16 at 12:16 pm to Negative Nomad
I'd like to know what the contractor documented. I'm dealing with the same thing
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