Please email kurt@pres-seal.com for complete technical specs.
Pres-Seal Product Specifications
Non-hardening, fire-resistant mastic sealant for boilers, ducts, and industrial flanges. Available in 1/4" and 1/2" bead sizes.
📏 Available Sizes
- 1/4” Bead: Flexible sealant ideal for tight clearances or narrow flange gaps
- 1/2” Bead: Designed for broader gaps, warped doors, or irregular surfaces
🔩 Key Benefits
- 🔥 High-temp resistance up to 500°F
- 🧯 Self-extinguishing properties for fire safety
- 🧤 Safe to handle, non-toxic, and VOC-free
- 🔧 Conforms to uneven surfaces without curing
- ♻️ Reusable and easily trimmed to length
