Products Storefronts Framing Systems Series 401 (NT) SpecificationsCAD Details 1 3/4" x 4 1/2" Storefront Framing Series 525 (NT) Impact - Blast / DoD SpecificationsCAD Details 2 1/2" x 5" Storefront Framing Series 526 (T) SpecificationsCAD Details 2 1/2" x 5" Thermal Impact Storefront Framing - NFRC CMA Approved Series 403-I (TS) SpecificationsCAD Details 2 1/4" x 4 1/2" Thermal Strut Storefront Framing - CMA Certified Series 433 Triple Set™ (T) SpecificationsCAD Details 2" x 4 1/2" Multi-plane Storefront Framing - CMA Certified Series 402 (NT) SpecificationsCAD Details 2" x 4 1/2" Storefront Framing XTherm Series 403X (T) SpecificationsCAD Details 2" x 4 1/2" Thermal Storefront Framing Series 403 (T) SpecificationsCAD Details 2" x 4 1/2" Thermal Storefront Framing - CMA Certified XTherm Series 406X (T) SpecificationsCAD Details 2" x 6 1/2" Thermal Storefront Framing Series 406 (T) SpecificationsCAD Details 2" x 6 1/2" Thermal Storefront Framing - CMA Certified Series 960 Wall™ SpecificationsCAD Details Thermal Clip Storefront Framing - CMA Certified WV-430 SpecificationsCAD Details Vent window for Storefront WV-410 Vent SpecificationsCAD Details Vent Window for Storefront - CMA Certified