Full Product Manual

Barrier WB Primer is 250–350 ft
2
/gal (6–8 m
2
/L). Allow primer
to dry completely, approximately 1 hour depending on weather
conditions, before application of ashing.
Membrane Installation
Cut the membrane to the desired length. Peel back the release
paper to expose the adhesive. Align the membrane and press into
place with heavy hand pressure.
Laps must be a minimum of 3 in. (75 mm). Mechanically fasten
the membrane at all vertical terminations. Use only smooth shank
fasteners.
Consistent with good construction practice, install the membrane
such that all laps shed water (following the shingle principle).
The top membrane layer should go over the bottom layer.
Always work from the low point to the high point. When needed,
use Ripcord to split the release paper and adhere half of the
membrane, while leaving the other half with the paper on. This
is required when ashing a window sill before the housewrap/
weather resistive barrier is installed.
Precautions & Limitations
The membrane is slippery—DO NOT walk on the membrane.
Consistent with good roong practice, always wear fall protection
when working on a roof deck.
Due to its slight asphaltic odor, apply this product where the
membrane is not exposed to interior living space. Grace Vycor
Aluminum Flashing should not be used in hot desert areas in the
southwestern United States.
Grace Vycor Aluminum Flashing is not compatible with exible
PVC. Contact window manufacturer for specic application
instructions required when using a bituminous-based ashing.
Certain metal window applications with integral nail n may
have specic limitations. Some solvents in certain caulking may
be incompatible with the adhesive in Grace Vycor Aluminum
Flashing.
For more information, check with your local Grace
representative.
Approvals & Standards
Engineered to meet ICC AC148 and AAMA E2112.
Product Data
Property Grace Vycor Aluminum Flashing
Product thickness 25 mil (0.64 mm)
Carrier lm Aluminum surfaced, cross-laminated HDPE
Adhesive Rubberized asphalt
Release liner Paper
Color Aluminum
Recommended exposure limit Can be left exposed
Roll width(s) 4 in. (100 mm) 6 in. (150 mm)
Roll length(s) 50 ft (22.9 m) 50 ft (22.9 m)
Rolls per carton 18 12
Shipping weight 74 lbs (33 kg) 74 lbs (33 kg)
Cartons per pallet 30 30
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