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Specifying Windows and Doors Using Performance Standards

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<strong>Performance</strong> Considerations<br />

40<br />

Related to Design Pressure<br />

<strong>Performance</strong> Grade = Design Pressure<br />

Structural Test Pressure = 1.5 Design Pressure<br />

Water Resistance Test Pressure = 0.15 Design Pressure for R, LC, CW<br />

0.20 Design Pressure for AW<br />

This, then, is the key to underst<strong>and</strong>ing product performance<br />

requirements <strong>and</strong> testing – that the major structurally-related<br />

aspects are all related directly to the design pressure.

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