Selecting the right GREAT STUFF™ sealant for your project is simple. Choose a product name from the table below for detailed information about the product’s features and benefits.
Manufacturer’s Certification Statement Pertaining to the Energy Policy Act of 2009 (86KB PDF)
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	Product/Size	Description	Code
	GREAT STUFF™ Gaps & Cracks 12 oz., 16 oz., 20 oz.	Minimal expanding, polyurethane insulating foam sealant with a straw applicator. Fills, seals and insulates gaps, cracks and holes up to ½ inch. Cures rigid. Cream color foam.	UL Classified ESR-1961
	GREAT STUFF™ Big Gap Filler 12 oz., 16 oz., 20 oz.	Triple expanding, polyurethane insulating foam sealant with a straw applicator. Fills, seals and insulates gaps, cracks and holes greater than ½ inch. Cures rigid. Cream color foam.	UL Classified ESR-1961
	GREAT STUFF™ Window & Door 12 oz., 16 oz.	Minimal expanding, low-pressure formulation, flexible polyurethane foam sealant with a straw applicator. Perfect for sealing window and door frame openings. Also ideal for sealing areas where low-pressure flexible foam is desirable. Cures flexible. Yellow color foam.	UL Classified Conforms to ASTM & AAMA standards
	GREAT STUFF™ Pond & Stone 12 oz., 16 oz.	Minimal expanding, polyurethane foam filler with a straw applicator. Fills and seals gaps, cracks and holes up to 1/2 inch. Perfect for aquascape, hardscape and landscape applications. Fish and plant safe. Cures rigid. Black color foam.	UL Classified
	GREAT STUFF™ Fireblock 12 oz., 16 oz.	Minimal expanding, polyurethane insulating foam sealant with a straw applicator. Fills, seals and insulates gaps, cracks and holes up to 1/2 inch. Impedes spread of fire and smoke through service penetrations. Recognized as an alternative fireblocking material in residential contruction. Brightly colored for easy code identification. Cures rigid. Orange color foam.	UL Classified ASTM E84, ASTM E814 (modified), UL 1715
AAMA - American Architectural Manufacturers Association ASTM - American Society for Testing and Materials UL - Underwriters Laboratories Inc.

Differences Between Latex and Polyurethane Foam Sealant

There are two key differences between latex foam and GREAT STUFF™ polyurethane foam sealant:

1. Latex foams are typically "open cell" and, as a result, can take on water. In fact the same properties that allow you to wash latex foam off your hands with water also mean that the cured foam can absorb water. This can cause wood rot or deterioration in areas where wet latex foam is next to wood, such as a window frame. In contrast, GREAT STUFF™ is closed-cell foam. It forms a water-resistant outer skin when cured.
2. Latex foam does not expand. GREAT STUFF™ expands to thoroughly fill all voids and cavities making it an ideal air-sealant.
   
   

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GREAT STUFF™ Product Overview Video (3:00)
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GREAT STUFF™ Smoke Video (:40)
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