Polyiso has the highest R-Value per inch of thickness of any building material on the market.
Get amazing value with our factory off-grade polyiso insulation!
(Not for commercial projects. See below)
Expanded polystyrene (EPS) is perfect for insulating garage walls, house walls, ceilings, block walls, crawlspaces, attics, behind siding and more.
EPS outperforms XPS (blueboard) in every category!
Get free recycling of your commercial reroof jobs!
For deals on gently-used insulation, contact us for daily specials! Inventory is subject to change!
Due To Polyiso Being Factory Off Grade, Over Stock & Reclaimed, We DO NOT Sell Any Polyiso For Commercial Use.
However We Do Offer Closed Cell EPS For Commercial Work.
TECHNICAL BULLETIN
Below Grade Testing Confirms R-Value Retention
TECHNICAL BULLETIN
15-Year Study Shows EPS Outperforms XPS in R-Value Retention
TECHNICAL BULLETIN XPS Insulation Extracted After Field Exposure Confirms High Water Absorption
& Diminished R-Value
TECHNICAL BULLETIN Freeze-Thaw Tests Show No Loss of R-Value or Strength
All Rights Reserved | Plywood King