GACO F4500 Spray Foam 0.5 lb

Firestone - GACO F4500


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Firestone - Gaco EZ Spray is a two component water-blown (zero ozone-depleting) liquid spray system that cures to a low-density cellular polyurethane insulation material. This open cell foam is designed to provide: good thermal performance; air impermeable insulation; and, an integral part of an air barrier assembly.

0.5 lb.

Core Density

> 90%

Open Cell Content


R-Value Per Inch


Firestone - Gaco EZ Spray light-density spray polyurethane foam insulation is sold in 208 liter (55 gallon) steel drum sets.


  Spec Sheet
  Safety Data
  LEED Certificate


Firestone - Gaco EZ Spray is a two component open cell foam designed to provide good thermal performance, air impermeable insulation and to be an integral part of an air barrier assembly. Gaco EZ Spray complies with CCMC Technical Guide 07216 “Spray-in-Place Open-Cell Spray Polyurethane Foam.”

Firestone - Gaco EZ Spray will provide good performance in a wide range of residential, commercial and industrial applications where in service temperatures are between -40°C and 94°C. Acceptable uses for this product include: walls, ceilings, floors, attics and crawlspaces.

Key Features

  • Open-cell spray foam insulation performs as an effective air barrier.
  • Firestone - Gaco EZ Spray light-density SPF has an exceptional R-Value of 4.1 per inch.
  • Class A (Class 1) fire rated foam that meets the requirements of ICC-ES AC377.
  • Can be installed at a significantly lower cost than closed-cell spray foam and target the same specified RSI-value.
  • Safe for electrical wiring, can be applied over typical electrical wiring without affecting wire coverings.
  • Safe for plumbing, can be applied over PVC (polyvinyl chloride), ABS (acrylonitrile butadiene styrene), PEX (cross-linked polyethylene), copper and steel piping systems.