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To SEAL Horizontal Joints on EPS Or Not - Tyvek Tech Reference
Last Post 15 Feb 2016 03:20 PM by cloves. 1 Replies.
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clovesUser is Offline
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09 Feb 2016 11:43 PM
Hi everyone,

Currently residing the house. I am using 1.5" of EPS (fiber facing), tyvek(wrb), 3/4 strips & a rain screen, and then the siding. I have taped up all the plywood seams with 3m all weather flashing tape. Then installed my 1.5" inches of EPS. I then taped up all the vertical joints with 3m flashing tape again.

However, I have not done the horizontal joints. I ran across a technical bulletin from tyvek that says that you should not tape horizontal joints because it allows any water that gets behind the foam a way to escape. So my question is should I follow the bulletin or not?

Link to the pdf is on this page and titles below:
http://www.dupont.com/products-and-services/construction-materials/building-envelope-systems/articles/tyvek-fact-sheets.html

Weather Barriers are a Must with Exterior Foam Sheathing TECH TALK


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clovesUser is Offline
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15 Feb 2016 03:20 PM
bump!
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