COMMERCIAL
THERMAL/BREAK ALUMINUM
DOUBLE HUNG SIDE-LOAD WINDOWTest Data: Test results are based on independent laboratory testing of sizes prescribed by the corresponding AAMA test procedures. Actual field conditions, locations or variations in window size may introduce some deviation between these results and actual installed performance.
Structural Performance Class (AAMA/NWWDA 101/I.S. 2-97) H-C55 Air Infiltration @ 1.57 PSF (25 mph) 0.16 cfm/ft² Water Test Pressure 8.25 PSF Structural Test 82.5 PSF Interior
82.5 PSF ExteriorForced Entry Resistance Grade 10
All testing conducted by a recognized independent testing laboratory as approved by the American Architectural Manufacturer's Association and as CERTIFIED by AAMA in testing and production. Complete test report available upon request.
Customization and alternate details can be provided to fit your specific needs.
Speak to your NORTHERN sales engineer for further information, or click here to send an email.

Features:
7/8" Warm Edge Insulated GlassTake-Out Sash for Cleaning and Maintenance
Double Fin-Pile Weatherstripping
Integral Extruded Pull Rails at Top & Bottom
3 1/4" Frame Depth
Exterior Fins & Pans and Trims Available
White Bronze Sash Lock
Block & Tackle Balances for easy replacement
Historical Exterior Muntin Grid
Custom Colors upon special request

Click on any catagory to see more of our products.
- Double Hung Windows
- Horizontal Sliding Windows
- Fixed Windows
- Projected & Casement Windows
- Dual Action Windows
- Window Wall
- Doors
