Glasswerks, a premier manufacturer of commercial glass, is the only glass fabricator to offer G3 SealĀ® warm-edge spacer system in the western U.S.

Designed for architectural and captured-glazed IG, Super Spacer TriSeal satisfies the toughest commercial glazing demands with its unique inner acrylic adhesive, polyisobutylene primary seal, and silicone secondary seal. The results are IG with optimal energy savings, structural, condensation resistance and excellent long-term durability for sustainable performance.