Kemper Systems America Inc.
Kemperol Roofpatch ready-to-use patch kit comes in a flat aluminum pouch that includes rubber gloves and a reinforcement fleece pre-saturated in a single-component Kemperol 1K-SF waterproofing resin. The reinforced membrane is 10-by-18 inches. Patches can be overlapped to cover larger areas. Adheres without a primer to bitumen sheets, PVC roofing sheets, concrete, wood, and metal, according to the company.