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White Elastomeric Roof Patch

Flex Patch 400


Long-Lasting Acrylic Formula

Superior Adhesion & Flexibility

Easy To Apply

Dries White

Flex Patch 400 is an easy to apply acrylic emulsion patch that makes roof repairs a cinch. This white elastomeric roof patch offers ultimate elasticity, providing lasting flexibility and preventing future cracks and tears. Flex Patch 400 dries white and creates superior adhesion. And, thanks to its acrylic formula, Flex Patch 400 is able to last for the long haul. This white elastomeric roof patch is able to fill holes, patch cracks, and repair vents, gutters, flashings, and air conditioners.

Flex Patch 400 is ideal for repair work on seams, cracks, vents, metal joints, and edges around skylights.

Use On: Seams • Cracks • Vents • Metal Joints • Skylight • Farm Equipment • Driveways
• Sidewalks • Curbs • Construction Equipment • Pool Equipment • Spa Equipment • Filters • Valves • Pump Bearings • Stern Tubs/Propeller Shafts • Marine Cables & Pulleys • Underwater Projects • All Sliding Surfaces

Uses: Filling Holes • Patching Cracks • Repairing Vents, Gutters, Flashings, & Air Conditioners

Recommended For Use With #403 Reinforcing Fabric

When repairing larger cracks or crevices, we recommend that you use Flex Patch 400 in combination with #403 Reinforcing Fabric. #403 Reinforcing Fabric is a strong, resin treated glass patching fabric that is specially designed for patching holes and cracks ¼ inch wide or wider. #403 Reinforcing Fabric is simply laid into the coating created by Flex Patch 400 while it is still wet, serving to reinforce the patchwork and add dependability to the repair. This superior quality white fabric was formulated for use where non asphalt base coatings (such as white cements and coatings) require white fabric for satisfactory appearance. Maximum durability of repairs is achieved when you add #403 Reinforcing Fabric to Flex Patch 400. It is available in 4 inch by 50 foot rolls. This easy to apply reinforcing fabric is ideal for repairs on seams, cracks, flashings, gutters, and blisters.

Recommended For Use Prior To Application Of Energy Star Kote

Flex Patch 400 is recommended for use prior to application of Energy Star Kote. The first of its kind, Energy Star Kote is a pure white coating that forms a sturdy-but-flexible protective membrane over rooftop surfaces, guarding roofs from the elements and simultaneously lowering internal temperatures (thanks to its excellent reflectivity) – resulting in significant energy savings of up to 35%. This pure white, 100% acrylic elastomeric coating forms a rubber membrane can be applied over a variety of roof materials, including EPDM roofs, APP and SBS modified bitumen, old asphalt coatings, composition build-up, polyurethane foam, mobile homes and RV’s, metal roofs, concrete, wood, and more. This 10 year protective roof coating is Energy Star rated and is available in 1 gallon pails and 5 gallon pails.

Flex Patch 400 Is Available In 1 Gallon Pails

Flex Patch 400 is available in 1 gallon pails. The approximate coverage range per 1 gallon pail is: 12 square feet at ?” thick or 35 linear feet at 4” wide (however, these numbers vary based on the width and depth of the repair area). The exact drying time is also determined by the depth of the repair area, but it usually dries within a 24 hour period. The unit weight is 11.6 pounds. Do not freeze, thin, or store at temperatures below 50°F (10°C). Note that Flex Patch 400 is intended for exterior application only.

Proper surface preparation is important to ensure optimal adhesion. Clean the surface of all debris, dust, and dirt, and remove any foreign materials that may be present on the surface (such as grease, oil, mildew, and rust). Scrub the roof with a solution of TSP (Trisodium Phosphate) and water. Take off mildew and mold by using a bleach solution (3 parts water: 1 part chlorine bleach). Rinse completely and let dry. The application temperature minimum is 60°F (15.5°C) and rising. If the temperature is predicted to drop below 60°F (15.5°C) within a 24 hour period, do not apply. Also, do not apply is rain is imminent or forecasted within a 24 hour period. If the area is one in which fog or dew is prone to accumulate in the evening, coat in the morning and complete by early afternoon (3:00 pm) in order to prevent wash off (which occurs if fog, dew, or rain moves in before the coating is dry). To apply, thoroughly stir the pail and apply via 4 inch paint brush. Place a 6 inch wide coating along the cracks, seams, or vent areas. Roll in #403 Reinforcing Fabric while roof patch is still wet. Use the paint brush to smooth out the fabric, and brush on another layer of Flex Patch 400 on top of the fabric while it is all still wet. Ensure that #403 Reinforcing Fabric is thoroughly embedded in the Flex Patch 400 material. Let this white elastomeric roof patch material dry entirely before adding Energy Star Kote. Do not allow material to dry on tools; for clean-up, simply wash with water.

We at Superior welcome your questions and inquiries. Call us anytime toll free at 800-476-2072