Loctite Tite Foam Gaps & Cracks is a new generation of polyurethane-based insulating foam sealant. It expands to fill, seal, and effectively insulate gaps and cracks up to 1 inch in size, inside and out! Based on purified and concentrated ingredients, it provides premium durability for your insulating needs. Loctite Tite Foam Gaps & Cracks is a bright white color and offers premium durability with its high density, flexibility, strong adhesion and UV resistance. Use to seal out air, moisture and pests in basements or crawlspaces, attic hatches and plumbing, HVAC or electrical penetrations. Quick and convenient to use and apply Tite Foam Gaps & Cracks offers an easy insulating spray foam option. It is recommended for use in both interior and exterior environments and is sandable and paintable.