Sarnafil® TG 66-12
Sarnafil® TG 66-12 (thickness 1.2 mm) is a multi-layer, synthetic roof waterproofing sheet based on premiumquality flexible polyolefins (FPO), with inlay of glass non-woven according to EN 13956. Sarnafil® TG 66-12 is a hot air weldable, UV-resistant roof membrane. Suitable for use in hot and tropical climatic conditions.
Usage
Roof waterproofing membrane for roofs with ballast (example gravel, concrete slabs, green roof) and / or exposed flat roofs: ▪ Loosely laid and ballasted roofs ▪ Green roofs ▪ Utility roofs ▪ Inverted roofs Roof waterproofing membrane for exposed roof junction zones: ▪ Roof waterproofing for junctions and flashings, example wall and parapet junctions, roof lights, etc., which are permanently exposed in installations of Sarnafil® TG 66-12 roof waterproofing systems with ballast. ▪ Roof waterproofing for junctions and flashings in installations of all types of Sarnafil® TS 77 and TG 76 Felt exposed roof waterproofing systems.Advantages
▪ Proven performance over decades▪ Resistant to micro-organisms▪ High dimensional stability due to glass fleece inlay▪ Compatible to bitumen▪ Resistant to permanent UV exposure▪ Resistant against impact load and hail▪ Resistant to all common environmental influences▪ Resistant to mechanical influences▪ Hot air welding without use of open flame▪ RecyclablePackaging
Sarnafil® TG 66-12 standard rolls are wrapped individually in a blue PE-foil.
| Packing unit | See price list |
| Roll length | 25.00 m |
| Roll width | 2.00 m |
| Roll weight | 60.00 kg |
Colour
| Surface | Matt |
| Colours | |
| Top surface | Beige Grey (nearest RAL 7040) |
| Bottom surface | Black |
Product Details
APPROVALS / CERTIFICATES
Sarnafil® TG 66-12 is designed and manufactured to meet 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-mark.
▪ Reaction to fire according to EN 13501-1.
▪ Official Quality Approvals and Agrement Certificates.
▪ Monitoring and assessment by approved laboratories.
Shelf life
5 years from date of production in unopened, undamaged and original packaging.
Storage conditions
Rolls must be stored between +5 °C and +30 °C 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
| 25 m (-0 % / +5 %) | (EN 1848-2) |
Width
| 2 m (- 0.5 % / + 1 %) | (EN 1848-2) |
Effective Thickness
| 1.2 mm (-5 % / +10 %) | (EN 1849-2) |
Straightness
| ≤ 30 mm | (EN 1848-2) |
Flatness
| ≤ 10 mm | (EN 1848-2) |
Mass per unit area
| 1.2 kg/m² (-5 % / +10 %) | (EN 1849-2) |
System Structure
Wide range of accessories is available e.g. prefabricated parts, roof drains, scuppers, protection sheets and separation layers.
The following accessories shall be used:
- Sarnafil® T 66-15 D Sheet for detailing
- Sarnafil® T Metal Sheet
- Sarnabar
- Sarnafil® T Welding Cord
- Sarnafil® T Prep
- Sarnacol® T 660
- Sarnafil® T Clean
Compatibility
Sarnafil® TG 66-12 may be installed on all thermal insulations and levelling layers suitable for roofing. No additional separation layer is required.
Sarnafil® TG 66-12 is suitable for installation directly on top of existing, carefully cleaned, level bituminous roofing, example re-roofing over old flat roofs.
Colour changes in membrane surface may occur in case of direct contact with bitumen.
Resistance to Impact
| Hard substrate | ≥ 600 mm |
| Soft substrate | ≥ 800 mm |
Resistance to Static Load
| Soft substrate | ≥ 20 kg |
| Rigid substrate | ≥ 20 kg |
Tensile Strength
| Longitudinal (md)1) | ≥ 9 N/mm² |
| Transversal (cmd)2) | ≥ 7 N/mm² |
Elongation
| Longitudinal (md)1) | ≥ 500 % |
| Transversal (cmd)2) | ≥ 500 % |
Dimensional Stability
| Longitudinal (md)1) | ≤ 0.2 % |
| Transversal (cmd)2) | ≤ 0.1 % |
Joint Shear Resistance
| ≥ 500 N / 50 mm | (EN 12317-2) |
Foldability at Low Temperature
| ≤ -30 °C | (EN 495-5) |
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
| Pass3) | (EN 1548) |
Resistance to UV Exposure
| Pass (> 5000 h / grade 0) | (EN 1297) |
Watertightness
| Pass | (EN 1928) |
Application
Ambient Air Temperature
-20 °C min. / +60 °C max.
Substrate Temperature
-30 °C min. / +60 °C 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, solvent resistant, clean, dry and free of grease and dust. Metal sheets must be degreased with Sarnafil® Cleaner before adhesive is applied.
APPLICATION
Installation works must 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. Please observe information given by Product Data Sheets. Special measures may be compulsory for installation below +5 °C ambient temperature due to safety requirements in accordance with national regulations.