There are numerous formulation types within the roof coating arena. Most roof coatings are one of the following types: Elastomeric acrylic Thermoplastic rubber Asphalts, including aluminized asphalt Urethane Silicone In most cases, we favor the use of thermoplastic rubber coatings but existing conditions on the roof and the goals/expectations of the owner will ultimately drive […]
Most of the contractors installing elastomeric acrylics, thermoplastic rubber and high silicone coatings will use airless spray equipment such as the Graco 833 Roof Rig. Smaller pumps may be suitable for spraying roof coatings short distances in warm weather. With high solids silicone, spray application can be rather demanding. A larger Graco 933 is typically […]
When applying thermoplastic rubber to roof surfaces, a clean and dry condition is required. For best results, do not apply coatings until you are 5 degrees above the dew point. Field coatings can begin 24-48 hours after seams and fasteners have been prepared with Seam Sealer or when dry to touch. Coatings can be brushed, […]
1 gallon of #7141 Super Seam Sealer or #7165 Seam Sealer Brush Grade will cover all seams and fasteners on Approx. 200 sq. ft. or 2 roofing squares. #7141 & #7165 Seam Sealer can be brushed or sprayed. #7174 Flashing Cement should be used in conjunction with RH-53 polyester membrane wherever a gap is more […]
Gas operated units with a 3000-3500 p.s.i. rating are recommended. 10,000 – 20,000 sq. ft. can be power washed in a day. (Depending on condition of roof). A rotating power blaster tip is essential.