Rothoblaas Hermetic Foam
Low-expansion, permanently flexible polyurethane foam for airtight, soundproof sealing around windows and doors.
SKU: HERFOAM
$26.77
Lead Time: 5 business days
Shipping: Calculated at Checkout
Rothoblaas Hermetic Foam is a one-component, low-expansion polyurethane foam for controlled, airtight and soundproof sealing on timber, concrete and metal.
What it does
The closed-cell foam stays flexible to absorb movement between materials, with elongation at break above 40%. It remains waterproof and airtight even after trimming. Trim in 20 to 40 minutes, with full hardening in 60 minutes.
When and where to use it
- Window and door perimeters
- Linear joints
- Apply from 41 F (5 C)
- 25.36 fl oz gun-grade can
Key Specifications
| Property | Specification |
|---|---|
| Size | 25.36 fl oz |
| Tier | Can |
| Unit Noun | cans |
Professional Grade
Built for building professionals
Fast Shipping
Direct from manufacturer
Tech Support
Expert installation guidance
Certified Performance
Tested and documented
