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Document record
This five-page application guideline covers the Ure-A-Max system over single-ply roof surfaces, with a last revision date of 4/25/25. The file states that adhesion depends on the age and condition of the roof and on the type of single-ply membrane, and that field adhesion tests are highly recommended.
The products section lists Aliphatic Urethane 510-CA in bright white, Aromatic Urethane 520 in silver, Aromatic Urethane 508 in dark gray, Urethane Brush-Grade 522, spunbound polyester fabric and EcoCleaner 925, each with its printed properties.
Installation starts with removal of unnecessary equipment and debris, then pressure washing at 3,000 psi to remove dirt, delaminating coatings and contaminants such as oil and grease. The primer stage calls for an adhesion test. Seams are flashed with Urethane Brush-Grade 522 at 50 wet mils, and the file notes that heat-welded seams do not require additional reinforcement.
Material changes / notes
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