The Series OST451 Thermal Storefront System is engineered for optimal thermal performance and California Title 24 compliance. Offset glazing produces a flush appearance, while a slim 2" face trim and 4-1/2" depth offers a material cost advantage. The OST451 Storefront is a straight cut and stack system. No notching is required, which expedites installation and reduces labor.
Additional features include injection molded water deflectors, a continuous head and sill, and a top-load EPDM gasket that permits interior or exterior glazing. The available OST451 SSG model provides uninterrupted horizontal glass spans for a streamlined aesthetic.
- California Title 24 Compliant
- Slim 2" (51 mm) Face Trim Reduces Costs
- Stacking System with No Notching Required
- Thermally Broken
- U-Factors as Low as 0.26
- For 1" (25 mm) Insulating Glass
- Continuous Head and Sill
- Suitable for Window Wall Applications
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