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Protection

Heat weldable top layer bitumen membrane

Application:

  • Top layer in multi-layer roofing and terrace coverings
  • For every type of substrate
  • Especially recommended for roofs with photovoltaic systems
  • Single-layer renovation of bitumen coverings

Properties:

  • Contains special flame-retardant additives
  • Double SBS modification
  • Durable and puncture-resistant
  • Approved for use under heavy surface protection
  • For use in reduced ambient temperatures
  • Fixed by welding

Available packaging:

  • 5 m

Type of reinforcement

non-woven polyester

Top finishing

coarse grained

Low temperature flexibility

≤ -25˚C

Width

≥ 0,99 m

Straightforwardness

≤ 10 mm per 5 m roll length

Thickness

(5,2 ± 0,2) mm

Resistance to external fire exposure*
*applies to the examined layer systems

Broof(t1), Broof(t2), Broof(t3)

Reaction to fire

class E

Watertightness:
waterproof at a pressure


≥ 10 kPa (method A)

Maximum tensile force:
- longitudinal
  extension
- transversal
  extension


1100 ± 200 N/50 mm 
(50 ± 10) % 
900 ± 200 N/50 mm 
(50 ± 10) %

Resistance to root penetration

NPD

Resistance to static loading

≥ 20 kg (method B)

Resistance to impact

≥ 1750 mm (method A)

Resistance to tearing:
- longitudinal
- transversal


350 ± 150 N 
350 ± 150 N

Resistance of the joint :
- shear strength 
  • longitudinal joint 
  • transversal joint
- tear off strength
  • longitudinal joint
  • transversal joint



900 ± 200 N/50 mm 
950 ± 250 N/50 mm 

150 ± 100 N/50 mm 
150 ± 100 N/50 mm

Durability: flow resistance at elevated temperature

(100 ± 10)˚C

Dimensional stability

≤ 1%

Reference document(s)

EN 13707:2004+A2:2009

  • Making an insulation using NEXLER Protection bituminous felt should be carried out according to the technical design, in accordance with the current building regulations and the detailed guidelines for the design and execution of insulation contained in NEXLER Insulation Systems and the Technical Data Sheet.
    The bituminous felt should be installed in ambient temperatures of above 0°C, this requirement applies to the time of day and night.
    Do not carry out insulation work during strong winds and precipitation.

Get more details

fotowoltaika - na listę

What bituminous felt should you choose for photovoltaics? Discover NEXLER Protection

Photovoltaic systems are becoming increasingly popular on Polish roofs. For investors, they are not only an ecological source of energy, but also a real opportunity for savings and a step towards energy independence. However, in order for photovoltaic panels to work effectively for many years, it is essential to prepare the roof properly.

See also

BITFLEX Primer 8 kg 320x320

BITFLEX Primer

Quick-drying bituminous and anionic primer (concentrate)

Find out more SYSTEM
Bitumy rozpuszczalnikowe - Penetrator g7 320x320

Penetrator G7

Quick-drying primer modified with SBS for under bituminous felt

Find out more SYSTEM

Documents for download

icon Declaration of Performance

icon Technical Data Sheet

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