Need help with vinyl siding over ICF
We have a ICF full walkout basement. We are installing vinly siding on one side of it, and fiberboard/stucco look on the other 3 sides. Is house wrap someting we need to install first?? We have heard it is not necessary with the ICF. If it is necessary, would nails hold? I think the windows and door should still be flashed and have drip caps. Is there a specific type/special installation procedure? Also, what type of screws would work best? I don't think nails would hold in the plastic strips. Any other helpful information would be appreciated!
The ICF manufacturer should be able to tell you what fasteners to use in the ICF webs.
I've heard others with the story about no house wrap with ICF but I don't understand how the ICF can function as a water barrier since it has all those seams which will draw water to the concrete rather than let it run down a smooth wrb. Once it's past the foam surface then gravity will take it down behind the below grade waterproofing and the only place it can exit is inside the house.
I agree that you have to flash the windows and doors and any other openings. And I don't see how you can properly flash openings without a wrb to shed the water onto.
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