SureSpan Adhesive | Gun-Grade STP Sealant for SureSpan EX
SureSpan Adhesive by PROSOCO is a high-performance, gun-grade adhesive engineered for bonding SureSpan EX to various building surfaces. This advanced Silyl-Terminated Polymer (STP) formula combines the best features of silicone and polyurethane to ensure lasting performance under a wide range of weather conditions.
Product Description
This single-component adhesive requires no mixing and adheres directly to both damp and dry substrates. SureSpan Adhesive is ideal for all climates and provides long-term durability for air barrier connections. Its breathable and elastic characteristics help surfaces remain dry and crack-free over time. The gray, viscous paste is easy to gun, spread, and tool on-site, offering reliable application performance.
Key Benefits of SureSpan Adhesive
- Bonds securely to most construction materials without priming
- No shrinkage, staining, or yellowing
- Tolerates rain immediately after application
- Can be fully exposed to UV and weather for up to 6 months
- 100% solids with no solvents, isocyanates, or phthalates
Common Applications
- Adhering SureSpan EX to adjacent surfaces
- Transitions in air barrier systems
- Exterior and interior use in building envelope systems
Storage & Packaging
Available in 20-oz sausages. Store unopened in a cool, dry place for up to 1 year.
Product Properties
| Property | Value |
|---|---|
| Form | Viscous paste, mild odor, gray color |
| Total Solids | 99% |
| VOC Content | 30 g/L maximum |
| Flash Point | No data |
| Freeze Point | No data |
| Coverage Rate | Varies based on substrate texture and surface irregularities |
| Shelf Life | 1 year in tightly sealed, unopened container |
| WT/GAL | 12.7 lbs |
Also see Board Seam Filler WB for compatible joint treatments. Visit PROSOCO for more sealant solutions.
