Would this be ok to use as insulation between the floor joists under a mobile home?
Polyiso Insulation Board
Insulation
Status:
Open Jul 16, 2025 - 06:27 AM
1answer
Answer
Jul 17, 2025 - 12:52 PM
Yes, you would want to put a 6mil black plastic vapor barrier on as well.
View More Product Details
Polyiso Insulation Board
Polyiso Rigid Foam useful for all sorts of projects - walls, roofs. (not for use under concrete)
IN STOCK at our warehouse in Fairfield, Iowa
Most are NEW Factory Seconds
Retails for $60 per sheet or more.
4' x 8' and 4' x 4' Sheets:
Thick R-Value Price...
See More
View Details
Browse by Category
Insulation
View our complete selection of Insulation to find the one that suites your needs.
View All
View all Insulation Questions & Answers
View all Polyiso Insulation Board Questions & Answers