Torch-on root-resistant waterproofing sheet documented in the historical Börner technical archive.
Torch-on root-resistant waterproofing sheet
This material belongs to the bituminous roofing archive category. Its position and responsibility must remain clear when it is compared with primers, vapour-control layers, underlays, exposed membranes, drainage products or detailing components.
Essential technical data
- Product code
- TN578437
- Thickness
- ≥5.20 mm
- Mass
- 6.6 ±5% kg/m²
- Dimensions / packaging
- 5.0 × 1.08 m
- Reinforcement
- 250 g/m² polyester
- TDS revision
- 2020-05
- Source table page
- 2
Thermal conductivity and R-value are not declared in the reviewed TDS.
Low-temperature flexibility ≤−25°C; flow resistance ≥+115°C. Root resistance is stated by the TDS; the separate test certificate is not included in this packet.
Four checks before this material enters a build-up.
- 01Confirm the exact function
Check that the product is being used for the technical role shown on this page rather than as a substitute for another layer.
- 02Assess the substrate and attachment
Confirm the support layer, surface condition, preparation and the approved method of bonding, fixing or application.
- 03Coordinate every interface
Review laps, seams, edges, outlets, penetrations, corners, terminations and compatible adjacent materials.
- 04Check current controlled information
Verify the current TDS, DoP, fire data, installation guidance, warranty route and project-specific requirements before use.
Archived technical data sheet
English · PDF · Revision 2020-05. Historical reference; check current controlled documents before specification.
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