Insulating Foam Sealant 12 oz | Multi-Purpose | Gorilla

Gorilla Insulating Foam Sealant 12 oz is a powerful, multi-purpose expanding spray foam designed to seal gaps and cracks up to 1 inch wide. Whether you're insulating your home, blocking pests, or preventing moisture intrusion, this foam is engineered to provide strong adhesion and a reliable barrier against the elements.

Perfect for use both indoors and outdoors, it can be applied around windows, doors, plumbing lines, HVAC penetrations, and more. Unlike traditional foams, it expands without causing bowing or warping, making it especially effective for sensitive installations.

With a fast tack-free time of just 8–12 minutes and full trim readiness in 45 minutes, the foam allows for quick project completion. Once cured, it’s fully paintable and sandable for a clean, professional finish. Its light grey color blends easily with most surfaces, and the high-density formula delivers an insulating R-value of 4.1 per inch.

Durable and UV resistant, Gorilla’s foam sealant offers long-lasting performance with minimal degradation in outdoor conditions—just paint over it for added protection. It’s also UL 723 classified and AAMA 812-19 compliant for added peace of mind.

Key Benefits:

• Seals out air, moisture, and pests
  

• Reduces energy loss and improves efficiency
  

• Flexible and strong adhesion on various materials like wood, metal, masonry, and glass
  

• Quick-drying and ready to trim in under an hour
  

• Safe to use around windows and doors without warping
  

• Excellent for home repairs, insulation, and pest control
  
  

Choose Gorilla Insulating Foam Sealant for a reliable, easy-to-use solution that keeps your spaces sealed, protected, and energy-efficient.

 

Enjoy free standard shipping on all orders over $150. Read our shipping policy here.

Returns of new, unused items are accepted for
a refund or exchange within 30 days of purchase. Read our return policy here.