1.5" Polyiso Insulation

  • New, polyisocyanurate insulation sheets in original packaging.
  • Factory 2nds; nearly identical performance, installation and look.
  • 1.5" thick, 4'x4' flat sheets; R-8.6. 
  • Closed-cell, rigid foam core with glass-reinforced facers.
  • Resistant to indentation and crushing, yet easy to cut.
  • Non-load-bearing & not waterproof; moisture barrier recommended.
  • Use in exterior roofing projects; ignition barrier required for interior installation.
  • Perfect for insulating a home, office, shed or workshop.
  • Factory 2nds have minor cosmetic & design flaws or packaging defects.

Pin It Fancy


4'x8' size: 10% OFF on 3 or more whole bundles (28 or 32 sheets/bundle). 


  • High thermal type; noise absorbing. 
  • Compatible with BUR, modified bitumen and single ply membrane systems.
  • Provides high R-value per inch in built-up, modified bitumen, metal roof and single ply roof systems.
  • Utilizes a zero ozone depletion blowing agent that provides high thermal insulation performance.
  • Installation/application via hot asphalt, urethane adhesive, mechanical fasteners or loose laid.
  • May be combined with insulating sheathing to create a higher R-value in exterior walls.


  • PICKUP: *APPOINTMENT REQUIRED* - MATERIAL LOCATED OFF-SITE. A completely flat trailer or truck bed is recommended for side-loading bundles with forklift. Limited hand-loading provided. 
  • DELIVERY: Available within 100 miles of SLC; call for pricing & details.
  • ADDRESS: 36 W. Fayette Ave. (965 S) #1, SLC, UT 84101.
  • HOURS: Monday - Friday, 9:00 - 6:00. Saturday 9:00 - 4:00 by pre-arranged appointment. 
  • CONTACT: 801-478-6843 x2; info@miscmaterials.com 


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