Sarnafil® TG 66-18

Features/Benefits:

• Long service life
• High dimensional stability
• High resistance to mechanical impact
• Resistant to roots
• Compatible with bitumen

Application:

Roof waterproofing membrane for:

• loose installation with additional load (e.g. gravel fill, concrete slabs, greenery, inverted roof)
• Connecting membrane for Sarnafil® TS 77, TG 66, TG 76 Felt PS and TG 76 FSA surface membranes

Test certificates:

• Plastic membrane for roof waterproofing in accordance with DIN EN 13956, recognised by the certification body 1213-CPD-3914 and provided with the CE mark
• DIN SPEC 20000-201 
• DIN 18531-2
• Behaviour under the influence of fire in accordance with DIN EN 13501-1: Class E 

• Resistance to static load: rigid underlay -> ≥ 20 kg (Method A)

flexible underlay -> ≥ 20 kg (Method B) (DIN EN 12730) 

• Resistance to impact load: rigid underlay -> ≥ 1000 mm kg (Method A)

flexible underlay -> ≥ 1250 mm (Method B) (DIN EN 12691)

• Resistance to root penetration: passed (DIN EN 13948)
• Tear resistance: longitudinal (Mr)* ≥ 9.0 N/mm²

transverse (QMr)* ≥ 7.0 N/mm² (DIN EN 12311-2)

• Elongation at break: longitudinal (Mr)* ≥ 550%

transverse (QMr)* ≥ 550% (DIN EN 12311-2)

• dimensional accuracy: longitudinal (Mr)* ≤ 0.2% 

transverse (QMr)* ≤ 0.1 % (DIN EN 1107-2) 

*Mr = machine direction *QMr = transverse to the machine direction

• Shear resistance of the joining seam: ≥ 500 N/50 mm (DIN EN 12317-2)

Tearing outside the joining seam (DIN SPEC 20000-201 / DIN EN 12317-2)

• Behaviour when folding at low temperatures: ≤ -45 °C  (DIN EN 495-5)
• -Reaction to fire: Class E (EN ISO 11925-2) Classification according to DIN EN 13501-1
• Effect of liquid chemicals including water: on request: (DIN EN 1847)
• Behaviour under the influence of bitumen: passed (DIN EN 1548) 

Method (b) (DIN SPEC 20000-201) (DIN EN 1548)

• UV exposure: passed (> 5,000 h) (DIN EN 1297)

Class 0 (DIN SPEC 20000-201) (DIN EN 1297) 

• Water vapour permeability: μ= 150,000 (± 30%)  (DIN EN 1931)