Sarnafil® AT-25

Sarnafil® AT-25 (thickness 2,5 mm) is a multi-layer synthetic membrane based on flexible polyolefines (FPO) with an internal fabric and backing according to EN 13956. Sarnafil® AT-25 is a hot air weldable roof membrane formulated for direct exposure and designed for use in all global climatic conditions.
Mechanically fastened roofing systems
Loose laid ballasted roofs with different ballast materials (e.g. gravel, concrete slabs)
Green roofs (intensive, extensive)
Utility roofs
Inverted roofs
Terraces with pedestrian traffic
Resistant to UV exposure
Resistant to permanent wind exposure
Resistant to all common environmental influences
Hot air weldable
No open flame equipment required
High dimensional stability from glass fleece inlay
Resistant against impact load and hail
Resistant to mechanical influences
Resistant to root penetration
Compatible with old bitumen