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Technical datasheet
PE 3/300 RS
ThermoWhite® Gefitas® PE 3/300 RS, certified, radon-resistant waterproofing against rising ground moisture
Product
Source review note: In the original (03.2021), the SD value “≥ 1500 m” is marked with “**”, without an accompanying footnote. Source values reproduced unchanged; the footnote requires technical clarification.
Data
Technical values
| Property | Symbol | Value | Unit |
|---|---|---|---|
| Width | — | 1.25 | m |
| Length | — | 40 | m |
| Area per roll | — | 50 | m² |
| Weight per roll | — | 13 | kg |
| Rolls per pallet | — | 8 | — |
| SD value[**] | — | ≥ 1500 | m |
Product composition and application
ThermoWhite® Gefitas® PE 3/300 RS is a waterproofing layer against rising ground moisture that also protects buildings against radon gas entering from the ground (certified as radon-resistant by IAF-Radioökologie GmbH). The membrane consists of a 200 µm thick PE film with an integrated aluminium layer, laminated onto a 3 mm PE foam.
Properties
The product offers high perforation resistance, elongation and tear resistance. Adhesive tape integrated along the longitudinal edge enables the membranes to be joined easily.
Radon exposure in buildings
The radioactive noble gas often enters buildings unhindered and damages health. Modern materials such as Gefitas® PE 3/300 RS effectively protect against radon from the ground.
Product images and application


Advantages
- Efficient installation
- High quality “Made in Germany”
- Excellent value for money
- Tested for radon tightness
Packaging
| Packaging type | Quantity | Note |
|---|---|---|
| Roll | 50 m² | 13 kg; 8 rolls per pallet |