Current Inventory - Polyiso 
1"x4'x8' Kraft Faced | $8.00
Factory direct new off grade polyiso with kraft backer on both sides.

1"x4'x8' Foil Back | $10.00
Factory direct new off grade polyiso with foil backer on both sides.  This is great for siding projects!

​Off grade means that there is a manufacturing defect or damage that prevents the manufacturer from selling as "grade A". Most of this insulation has been down graded due to minor thickness variation.
2"x4'x8' Foil Back | $14.00 
​ONLY 15 SHEETS LEFT!
Reclaimed polyiso with foil backer on both sides.
2.5"x4'x8' Foil Back | $25.00
​ONLY 22 SHEETS LEFT!
Factory direct new off grade polyiso with foil backer on both sides.

​Off grade means that there is a manufacturing defect or damage that prevents the manufacturer from selling as "grade A". Most of this insulation has been down graded due to minor thickness variation.
2.6"x4'x8' Felt Back | $21.00
Factory direct new off grade polyiso with closed cell foam core laminated to a black fiberglass mat facer on both major surfaces.

Off grade means that there is a manufacturing defect or damage that prevents the manufacturer from selling as "grade A".  
3.2"x4'x8' Nailboard | $50.00 ONLY 29 SHEETS LEFT!
Factory direct new off grade polyiso nailboard with 5/8" OSB on one side.  Compare to $150/sheet at Menards!!!

​Off grade means that there is a manufacturing defect or damage that prevents the manufacturer from selling as "grade A". 
4"x4'x8' Felt Back | $32.00  
​Factory direct new off grade polyiso.  We currently have it available in both tan kraft backer on both sides and black fiberglass felt on both sides.  

​Off grade means that there is a manufacturing defect or damage that prevents the manufacturer from selling as "grade A".  Most of this insulation has been down graded due to minor thickness variation.
4"x4'x4' Kraft Back | $15.00  
​Factory direct new off grade polyiso with tan kraft backer on both sides. 

​Off grade means that there is a manufacturing defect or damage that prevents the manufacturer from selling as "grade A".  Most of this insulation has been down graded due to minor thickness variation.
4.5"x4'x8' Kraft Back | $36.00  
​Factory direct new off grade polyiso with kraft backer on both sides.  

​Off grade means that there is a manufacturing defect or damage that prevents the manufacturer from selling as "grade A".  Most of this insulation has been down graded due to minor thickness variation.
Find the latest deals on close-out and damaged polyiso at the Bargain Corner!

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