Get it as soon as thu oct 8.
Waterproof expanding foam for boats.
This two part liquid expanding rigid urethane foam is a closed cell pourable foam which will resist the absorption of water.
Uses include filling holes cracks or gaps that require a complete airtight and waterproof seal but are too large to be filled with ordinary caulk.
Use this sealant to fill and seal cracks holes joints and opening.
After curing this sealant foam can be trimmed and.
4 0 out of 5 stars 54.
If the holes are larger and expanding foam is needed a product like great stuff pond and stone may be just the thing.
More buying choices 11 82 3 new offers.
For sealing small cracks plain old silicone works great.
Can be used on a car boat or house for caulking sealing and filling.
Marine automotive urethane spray sealant foam.
But if you have a large surface area that you are needing to seal you may be looking for something more like liquid rubber it comes in a one gallon can like a paint can and adheres to wood metal and concrete.
The densities shown refer to the weight per cubic foot of expanded foam 12 x 12 x 12.
Amazon s choice for expanding foam sealant waterproof.
Free shipping on your first order shipped by amazon.
Once fully cured this foam can be laminated over with any type of polyester epoxy or vinyl ester resin without melting.
This urethane foam cures to a semi rigid closed cell mass.
Fill and seal expanding foam sealant is urethane foam designed to fill large areas quickly and permanently.