Grace Vycor Pro Self-Adhering Butyl Flashing - 4" x 75' Roll

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Protects vulnerable details from moisture penetration

Limits air leakage around windows and doors

Optimizes energy performance

Protects walls against mold, mildew and rot

Versatile - excellent low temperature adhesion and high in-service temperature limits

120 days of exposure


Grace Vycor Pro Self-Adhering flashing is a high performance non-asphaltic self-adhered flashing that provides protection against water infiltration in vulnerable non-roof areas such as windows and doors. As a non-asphaltic, butyl-modified adhesive with low temperature adhesion and high in-service temperature limits, Vycor Pro is a product for use year round in all climates. When properly installed, Vycor Pro flashing reduces the risk of mold and rot development and contributes to energy efficiency.


Manufacturer Grace
Brand Grace
Sub Brand GCP Applied Technologies
Adhesive Non-Asphaltic, Butyl-Modified
Compatible Materials Rigid and Flexible PVC Window Nailing Flanges; Common Weather Resistive Barriers and Many Types of Sealants
Installation Method Self-Adhering; Press or roll into place with hand roller. Mechanically fasten membrane at vertical terminations as necessary. Ensure all laps shed water - top membrane layer should go over bottom layer. Always work from the low point to the high point.
Installation Temperature 25 degrees Fahrenheit or higher
Package Quantity 1
Returnable Yes
Quick ID Q829
UPC 048444400505

Weights and Dimensions

Weight (Pounds) 2.5
Length (Feet) 75
Thickness (Inches) 14 mil
Width (Inches) 4

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