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Kemperol BR / BRM, a fleece-reinforced polyester resin-based waterproofing system, was specially developed for use under extreme conditions. For a quarter of a century, this tried and tested system has been reliably protecting reinforced steel and concrete structures against damage from water and corrosion.
Kemperol BR / BRM is ideally suited for vegetated roof and IRMA roofing assemblies, it can be laid under asphalt, slabs or paving. Poured asphalt can be laid at 480 °F without damaging the membrane. Permanently-elastic Kemperol BR / BRM bridges cracks up to 2mm making it an ideal waterproofing solution for sufaces with vehicular or pedestrian traffic.
For Product Data Sheets, Material Safety Data Sheets, Application Procedures, and Guide Specs please click our Resource Library tab.
Typical Physical Properties
| PROPERTY | VALUE |
| Color | amber |
| Physical State | cures to solid |
| Thickness (165 fleece/200 fleece) | 70 mils / 80 mils |
| VOC Content | 42 g/l |
| Tensile Strength @ Break | 90 lb/in |
| Elongation | 55 % |
| Tear Resistance | 8.6 lbs |
| Puncture Resistance | 150 lbf |
| Dimensional Stability | 0.1 % |
| Water Vapor Transmission | .27 perms |
| Water Absorption | 2.0 % |
| Impact Resistance | Shore A:78 |
| Usage Time* | 15 minutes |
| Water resistant after* | 30 minutes |
| Solid to walk on after* | 6 hours |
| Can be driven on after* | 24 hours |
| Apply surfacing/Coating after* | 3 days |
| Apply overburden after* | 2 days |
| Completely hardened after* | 3 days |
| Crack Spanning | 2 mm/0.08 inch |
|
Short-term temperature resistance |
250 °C/ 482 °F |
* all times are approximate and depend upon air flow, humidity and temperature
