|07 72 00||DATA SHEET 7500-630|
630 LAP CEMENT
630 LAP CEMENT is a solvent cutback, fibrated, asphalt mastic used in the application of asphalt roofing products.
630 LAP CEMENT is designed to be used with rolled asphalt felts, mineral surfaced roofing, or asphalt shingles to bond the laps or edges of the felt or shingle.
3.78 L Pails
18.9 L Pails
Coverage will be between 2.1 m²/L (100 ft²/gal.) and 3.1 m²/L (150 ft.²/gal.)
- CAN/CGSB-37.4-M89 (applied according to CGSB 37-GP-10M)
|Weight||1.1 kg/L (11 lb./gal.)|
|Drying Time||8 hours average|
|Touch dry||2 hours|
|Firm dry||24 hours|
|Temperature||-20° C min. (-4° F)|
|Water Content||1% Maximum|
|Flash Point||40° C (104°F)|
Surface Preparation … The lap joints should be clean, dry, free from oil, grease, frost, snow, ice, and other foreign matter.
Application Method … Apply by knife, trowel, brush, or roofer’s mop.
Cleanup … Use mineral spirits for cleanup.
630 LAP CEMENT will not bond to greasy surfaces. Do not use more material than needed, as blistering may result in hot weather. If material has thickened due to low temperatures, leave the containers in a heated building overnight. DO NOT HEAT WITH AN OPEN FLAME.
HEALTH AND SAFETY
Use in a well ventilated area. Contains flammable solvents. KEEP AWAY FROM HEAT AND OPEN FLAME.
2004 MASTERFORMAT NUMBER AND TITLE
07 72 00 – Roof Accessories
May help contribute to LEED credits:
- IEQ Credit 4.2: Low Emitting Materials – Paints and Coatings
- MR Credit 2: Construction Waste Management
- MR Credit 5: Regional Materials