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Does the ambient temperature affect the flow properties or set time of Durock™ Self-Leveling Underlayments?
Higher temperatures will typically cause faster set times and less flow time while cooler temperatures will have the opposite effect. USG recommends that material, concrete subfloor and room temperature must be between 50°F and 95°F at the time of application and for 72 hours after installation. For temperatures above 95°F, follow the American Concrete Institute (ACI) Hot Weather Concrete guidelines to ensure proper installation.