Sheffield Metals 1.5″ SnapLock 450 – Panel Profile
A 9″–20″ wide 1.5″ snap-lock profile with UL 90, UL 580 uplift, UL 2218 impact, and UL 790 fire testing — covers the most common residential and commercial spec.
Profile Uses, Engineering & Installation Tips
Sheffield Metals 1.5″ SnapLock 450 – Panel Profile details




Technical Information:
CUTSHEET
GUIDE SPECIFICATIONS
Steel
INSTALLATION DETAILS
Steel
UL 90 TESTING
SMI 1.5″ SL 450 UL 90 Test – Construction No. 370
9″ To 20″ wide 24-gauge panel over plywood
UPLIFT TESTING
Steel
IMPACT RESISTANCE TESTING
FIRE RATING
TDI APPROVAL
Plywood: SMI 1.5″ SL 450 TDI Approval
FBC APPROVAL
Plywood: Non-HVHZ FBC Approval
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