Reddy Insulation is an all-purpose foam insulator and sealant that expands to fill holes and gaps to form a tight barrier to moisture, air, sound, dust and insects. Fast foam insulating sealant. Shoots foam into holes, gaps, cracks. Seals out air, dust, dirt, moisture, noise. Pressurized for fast application. Yields 435 linear ft. Economical price Standard upside-down dispensing system High-expansion rate Reduces heating and cooling costs Multi-use: indoor and outdoor, cars and RV's, craft designs, landscaping projects and more. Fills holes in trees to seal out pests Replaces loose or damaged mortar in rock walls Use as a craft foam for artificial plants