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Does EPS shrink with time?

Edwin Perdomo | Posted in Energy Efficiency and Durability on

On the following link a comment was made that I have concerns :
https://www.greenbuildingadvisor.com/community/forum/green-building-techniques/34270/i-am-thinking-using-huber-s-new-zip-system-r-sheathi
“On the foam, two layers is better than one, with seams taped on both layers, and overlapped by a foot. Over then next 40 years the EPS is going to shrink a bit, but the performance hit won’t be too bad if the seams are overlapped and still reasonably air-tight.”
Answered by Dana Dorsett

I was thinking of using a product called InSoFast because of the Embedded Polypropylene Attachment Studs, but after reading the comment above, Will this cause more problems than it’s worth later in the future?

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