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What is Commercial Grade?

Commercial Grade

Not all aluminum windows are the same. DYC windows are designed and manufactured to commercial grades of performance. Minimum design pressures, structural test pressures, and water resistance pressures for the five classes of windows in pounds per square foot are:


Classification

Design Pressure

Structural

Water Resistance

Residential

15

22.5

2.86

Light Commercial

25

37.5

3.75

Commercial

30

45.0

4.50

Heavy Commercial

40

60.0

6.00

Architectural

40

60.0

8.00

For demonstration purposes, this unedited photograph shows what happens to a typical “builder-grade” non-thermally broken residential aluminum window frame under 200 pounds of pressure and to the same length of our window frame under more than 300 pounds of pressure.   






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