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What is Icynene?

Icynene is more than just insulation. Sprayed into walls, it expands to form a flexible foam blanket, made up of millions of tiny air cells. It acts like outdoor sportswear, shielding the home from outside temperatures and reducing drafts and energy costs by up to 50%. Plus, it keeps irritants like allergens outside and minimizes airborne moisture intrusion for improved air quality inside.

Comparison of different insulation types

Feature Fiberglass Batts Wet Sprayed Cellulose Urethane Foam Icynene Insulation
Perfect fit every time No NO No NO No NO Yes YES
Icynene expands to form a perfect foam blanket after application.
Meets air barrier requirements No NO No NO Yes YES Yes YES
Not damaged by water No NO No NO Yes YES Yes YES
No framing distortion Yes YES Yes YES No NO Yes YES
Won't wick or absorb water No NO No NO No NO Yes YES
Contains no formaldehyde No NO Yes YES Yes YES Yes YES
No HCFCs, HFAs, HFCs used Yes YES Yes YES No NO Yes YES
Icynene LD-R-50 is a renewable-based formulation derived from castor plants.
No settling or sagging No NO No NO Yes YES Yes YES
Icynene adheres to most construction materials and is the perfect insulation for walls, attics, ceilings and floors.
Won't support combustion Yes YES Yes YES Yes YES Yes YES
Doesn't shrink Yes YES Yes YES No NO Yes YES
Easy to remove Yes YES Yes YES No NO Yes YES
No food value for termites Yes YES Yes YES Yes YES Yes YES
No harmful emissions No NO Yes YES No NO Yes YES
No horizontal sagging No NO No NO Yes YES Yes YES
Can be injected into closed wall cavities No NO Yes YES No NO Yes YES
Performance stability No NO No NO No NO Yes YES

Learn more about Icynene LD-C-50, the classic Icynene formula.