K.W. Doors & Windows wood casement and vertical sliding windows.
KW Doors and Windows Certification
KW Doors Windows and Doors undergo rigorous testing for structural strength (Stress testing), Weatherproofing (extended periods of direct water) and even wind testing up to Hurricane strength (160mph)
The following tests were performed:
- Air Infiltration Test
- Water Infiltration Test
- Wind Load Test up to 160mph
- Sash Strength & Stiffness
- Ease of Operation
- Screen Strength
Detailed test results are available upon request.
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Structural Door Test Video
Water Level 1 Test
Single Exterior Door