DESCRIPTION. PRODUCT NO. 502-W-P is a premium quality elastomeric white patching compound designed for use in the construction of professional roof flashings. This material is a polyester reinforced blend of Acrylic polymers with a high solid content.
USES. This product can be used as a patching compound or flashing cement for filling voids, gaps in parapet walls. It is also used with polyester membrane to seal around penetrations, drains, or scuppers. Finally, this product is the ideal patching product for polyurethane foam roofs and skylights.
SURFACE PREPARATION. All surfaces to receive this product must be scrubbed clean so that they are free from oil, grease, rust, scale, loose paint and dirt.
APPLICATION. This product should be applied with a stiff brush at a thickness of 1/16″ to 1/8″ in conjunction with a polyester membrane for reinforcement. Apply the product liberally in joint areas, seams or cracks. Work material to be a feather edge to allow for surface drainage. While this product is white, it is recommended that the patching compound be coated by one of Tucson Rubberized Coatings‘ top coatings in order to protect the patch from the UV rays. Allow 24 hours before coating over the product.
CLEAN-UP. Use soap and water in order to ensure that all equipment is clean after use.