Use and Care Manual

TECHNICAL DATA ROC-93
PLASTIC ROOF CEMENT
Form: GDH-1295
Rev.: 030617
1
.DESCRIPTION AND USES .
Rust-Oleum
®
Plastic Roof Cement is a fibered, asphalt
based cement used to install, repair or rebuild roof
flashings at parapet walls, gravel stops, stacks, vents,
monitors and similar applications. It is ideal for use with
fiberglass or polyester fabric or roll roofing for permanent
repairs. It applies quickly and is smooth without stringing.
For exterior use only.
FEATURES .
 For use on roofs, skylights, flashings & chimneys
 Applies smooth without stringing
 Fibered, asphalt based
.PRODUCTS .
SKU Description
301826 10.1 ounce Cartridge
301899 0.9 Gallon
301990 4.75 Gallons
PRODUCT APPLICATION .
SURFACE PREPARATION
All surfaces must be clean, dry, sound and free from dirt,
grease, oil, mold, algae, loose granules, loose gravel,
loose paint, rust, excess chalk and other foreign matter
which could prevent proper adhesion.
WARNING! If you scrape, sand or remove old paint, you
may release lead dust. LEAD IS TOXIC. EXPOSURE TO
LEAD DUST CAN CAUSE SERIOUS ILLNESS, SUCH AS
BRAIN DAMAGE, ESPECIALLY IN YOUNG CHILDREN.
PREGNANT WOMEN SHOULD ALSO AVOID
EXPOSURE. Wear a NIOSH-approved respirator to
control lead exposure. Clean up carefully with a HEPA
vacuum and a wet mop. Before you start, find out how to
protect yourself and your family by contacting the National
Lead Information Hotline at 1-800-424-LEAD or log on to
www.epa.gov/lead.
APPLICATION
Apply only when air, material, and surface temperatures
are between 0-100ºF (-18-38ºC) and the relative humidity
is below 85%.
PRODUCT APPLICATION (cont.) .
Trowel – Apply with a pointed roofer’s trowel (⅛-¼”) thick.
When making roof repairs or striping over the top of
flashing laps, perform a 3-course repair consisting of one
application of Plastic Roof Cement followed by an
embedded strip of Rust-Oleum Universal Patching
Fabric or other mesh, followed by a final application of
Plastic Roof Cement. When repairing a blister, open the
area and let dry thoroughly. Do not apply over wet or
damp surfaces.
Cartridge – Place cartridge in a cradle type caulking gun.
Cut tip and puncture seal in spout. Squeeze trigger slowly.
Apply ¼-½” bead of sealant to areas that are to be sealed.
COVERAGE
Cartridge - Approximately 20 linear feet.
0.9 Gallon - Approximately 12.5 square feet.
4.75 Gallons - Approximately 65 square feet.
Actual coverage may vary depending upon application
method.
DRY & RECOAT TIMES
Dry and recoat times are based on 70ºF and 50% relative
humidity. Allow to dry at least 2 hours for thorough dry.
Product will reach full cure in 24 hours. Environmental or
site specific conditions may lead to a variation in dry time.
CLEAN-UP
Wash tools and equipment with mineral spirits. Wipe up
spills before they dry. Properly dispose of all soiled rags
and containers.
LIMITATIONS
Do not thin. In cold weather, store unopened container at
room temperature for 24 hours before use. On wet
surfaces, use Rust-Oleum Wet Patch. Not recommended
as a shingle adhesive or for use over gravel, rubber, PVC
sheeting or wood shingles. Close any open vents until
solvents dissipate.