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Thermal Expansion

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dik

Structural
Apr 13, 2001
25,817
Has anyone encountered problems with thermal expansion of corrugated PVC ceiling claddin applied to strapping on wood trusses? Coef of expansion for PVC is 3x10-5 per deg F and for wood is approx 2.8x10-6 for wood (para to grain)... a factor of about 10.

Dik
 
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