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Sarnafil® TG 76-15 Felt, FPO Membrane Bonded Roofing

Sarnafil® TG 76-15 Felt, FPO Membrane Bonded Roofing

Waterproofing
SIKA

Sika is a global leader in specialty chemicals for the construction and industrial sectors. The company develops and supplies innovative products and systems for bonding, sealing, damping, reinforcing, and protecting structures. With a strong focus on sustainability and performance, Sika serves a wide range of applications including concrete production, waterproofing, roofing, flooring, and structural strengthening.

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General Specifications
Packaging Roll
Width 2 m (-0.5 % / +1 %) mm
Length 20 m (-0 % / +5 %) m
Weight 1.85 kg/m² (-5 % / +10 %) Kg
Usage Fully bonded exposed roofs (Sarnacol® 2142 S); bitumen, OSB, plywood
Chemical Base -
Usage Area -
Color Surface Matt Colours Top surface Beige Grey (nearest RAL 7040) Bottom surface Black
Storage Conditions Rolls: +5…+30 °C, horizontal on pallet, away from sun/rain/snow
Density -
Consumption -

Polymeric membrane for adhered roof waterproofing

Sarnafil® TG 76-15 Felt (thickness 1.5 mm (0.0591 in)) is a multi-layer, synthetic roof waterproofing sheet based on premium-quality flexible polyolefins (FPO), containing stabilizers, with inlay of glass non-woven and Polyester fleece backing according to EN 13956. Sarnafil® TG 76-15 Felt is a hot air weldable, UV-resistant roof membrane. Suitable for use in hot and tropical climatic conditions.

Usage

Roof waterproofing membrane for fully bonded exposed roofs with Sarnacol® 2142 S.

Approved Substrates:

  • Slated/mineralized bitumen sheets; new and aged
  • OSB, plywood, fibre cement boards
  • Mineral fibre boards (Example: Bondrock MV)
  • PUR/PIR insulation boards, (Example: Sarnatherm PIR GT, Kingspan TR 27)
  • Concrete, lightweight concrete
Advantages
  • Proven performance over decades
  • Various colours available
  • Resistant to permanent UV irradiation
  • High dimensional stability due to glass fleece inlay
  • Resistant to all common environmental influences
  • Resistant to micro-organisms
  • Compatible to old bitumen
  • Hot air welding without use of open flames
  • Recyclable
Packaging

Sarnafil® TG 76-15 Felt standard rolls are wrapped individually in a blue PE-foil.

Packing unitSee price list
Roll length20.00 m (65.6 ft)
Roll width2.00 m (6.56 ft)
Roll weight74.00 kg (163 lb)
Colour
SurfaceMatt
Colours
Top surfaceBeige Grey (nearest RAL 7040)
Bottom surfaceBlack
Typical Product Data
APPROVALS / CERTIFICATES

- Sarnafil® TG 76-15 Felt is designed and manufactured to meet the most international recognised standards.
- Polymeric sheets for roof waterproofing according to EN 13956, certified by notified body 1213-CPD-3914 and provided with the CE marking.
- Reaction to fire according to EN 13501-1.
- External fire performance tested according to ENV 1187 and classified according to EN 13501-5: BROOF(t1).
- Official Quality Approvals and Agreement Certificates.
- Monitoring and assessment by approved laboratories.

Shelf life

5 years from date of production in unopened, undamaged and original packaging. Product does not expire if correctly stored.

Storage conditions

Rolls must be stored between +5 °C (+41 °F) and +30 °C (+86 °F) in a horizontal position on pallet, protected from direct sunlight, rain and snow. Do not stack pallets of rolls or any other material during transport or storage.

Product Declaration

EN 13956

Visible Defects

Pass (EN 1850-2)

Length

20 m (65.6 ft) (-0 % / +5 %) (EN 1848-2)

Width

2 m (6.56 ft) (-0.5 % / +1 %) (EN 1848-2)

Effective Thickness

1.5 mm (0.0591 in) (-5 % / +10 %) (EN 1849-2)

Straightness

≤ 30 mm (1.18 in) (EN 1848-2)

Flatness

≤ 10 mm (0.394 in) (EN 1848-2)

Mass per unit area

1.85 kg/m² (-5 % / +10 %) (EN 1849-2)

System Structure

Wide range of accessories is available e.g. prefabricated parts, roof drains, scuppers and walkway pads.
The following materials shall be used:
- Sarnafil® T 66-15 D Sheet for detailing
- Sarnafil® T Metal Sheet
- Sarnabar
- Sarnafil® T Prep
- Sarnacol® T 660
- Sarnacol® 2142S
- Sarnafil® T Clean

Compatibility

Sarnafil® TG 76-15 Felt may be installed on all thermal insulations and levelling layers suitable for roofing. No additional separation layer is required. Sarnafil® TG 76-15 Felt is suitable for installation directly on top of existing, carefully cleaned, level bituminous roofing, e.g. re-roofing over old flat roofs. Sarnacol®-2142 S single-component PUR adhesive is designed for adhering feltbacked Sarnafil® TG 76-15 Felt to standard insulations and substrates. Adhering Sarnafil® TG 76-15 Felt by means of Sarnacol®-2142 S is particularly suitable for reroofing over old bitumen waterproofing. (Not suitable for re-roofing over synthetic, rubber or ECB roofing).

Resistance to Impact

Hard substrate ≥ 800 mm (31.5 in)
Soft substrate ≥ 1500 mm (59.1 in)

Hail Resistance

Rigid substrate ≥ 25 m/s
Flexible substrate ≥ 37 m/s

Resistance to Static Load

Soft substrate ≥ 20 kg (44.1 lb)
Rigid substrate ≥ 20 kg (44.1 lb)

Tensile Strength

Longitudinal (md) 1) ≥ 800 N/50 mm (1.97 in)
Transversal (cmd) 2) ≥ 600 N/50 mm (1.97 in)
1) md = machine direction 2) cmd = cross machine direction

Elongation

Longitudinal (md) 1) ≥ 50 %
Transversal (cmd) 2) ≥ 50 %
1) md = machine direction 2) cmd = cross machine direction

Dimensional Stability

Longitudinal (md) 1) ≤ 0.2 %
Transversal (cmd) 2) ≤ 0.1 %
1) md = machine direction 2) cmd = cross machine direction

Joint Peel Resistance

≥ 300 N/50 mm (1.97 in) (EN 12316-2)

Joint Shear Resistance

≥ 500 N/50 mm (1.97 in) (EN 12317-2)

Foldability at Low Temperature

≤ -30 °C (86 °F) (EN 495-5)

External Fire Performance

BROOF(t1) < 20° (EN 1187) (EN 13501-5)

Reaction to Fire

Class E (EN ISO 11925-2, classification to EN 13501-1)

Effect of Liquid Chemicals, Including Water

On request (EN 1847)

Exposure to Bitumen

Pass 3) (EN 1548)
3) Sarnafil® T is compatible to old bitumen

Resistance to UV Exposure

Pass (> 5 000 h / grade 0) (EN 1297)

Watertightness

Pass (EN 1928)

Application
Ambient Air Temperature

-20 °C (68 °F) min. / +60 °C (+140 °F) max.

Substrate Temperature

-30 °C (86 °F) min. / +60 °C (+140 °F) max.

SUBSTRATE QUALITY

The substrate surface must be uniform, smooth and free of any sharp protrusions or burrs, etc. The supporting layer must be compatible to the membrane and free of oil and grease. Cut open any blisters in the old waterproofing and repair. The safety of the existing roof assembly in terms of wind uplift must be ensured. Any insufficiently secured sections or components (Example: chippings, slating etc.) must be removed to provide a smooth surface. The curing of Sarnacol®-2142 S requires moisture. The base layer may therefore be slightly moist (no puddles). If the relative humidity is below 35 % moisten the adhesive after it has been applied.

APPLICATION

Installation works to be carried out only by Sika instructed contractors for roofing. Installation of some ancillary products, example contact adhesives / cleaners is limited to temperatures above +5 °C (+41 °F). Please observe information given by Product Data Sheets. Special measures may be compulsory for installation below +5 °C (+41 °F) ambient temperature due to safety requirements in accordance with national regulations.