Spectrem 2 silicone sealant for perimeter caulking
Spectrem 2 is a high-performance, medium-modulus, neutral-cure silicone sealant engineered for perimeter caulking and glazing applications. Designed for use on a wide variety of substrates, including aluminum, glass, painted metal, stone, and concrete, it delivers superior adhesion, flexibility, and weather resistance. Spectrem 2 is easy to apply using conventional tools and supports ±50% movement for demanding exterior conditions.
Key Benefits of Spectrem 2 silicone sealant
- Excellent adhesion to substrates such as metal, brick, concrete, and glass
- ±50% movement capability for high-performance flexibility
- GREENGUARD Gold Certified for use in schools, hospitals, and sensitive environments
- Exceptional UV, ozone, and temperature resistance
- Easy to apply with caulking tools; no mixing required
Common Applications
- Two-sided structural glazing
- Perimeter caulking of windows and doors
- General weathersealing for facades and exterior systems
Product Properties
| Property | Value |
|---|---|
| Application Method | Caulk gun, trowel |
| Coverage Rate | 12 ft @ .5″ x .25″ (101 oz) |
| Drying/Cure Time | 14 to 21 days |
For a more flexible, ultra-low modulus sealant, view our Spectrem 1 alternative. For full technical documentation, visit Tremco Sealants.
