Sarnafil® G 410-72 Feltback EnergySmart
Sarnafil® G 410-72 Feltback EnergySmart is a PVC thermoplastic roof membrane produced with an integral fibreglass mat reinforcement for excellent dimensional stability, highly reflective, designed with heat-weldable seams, and a unique lacquer coating applied to the top of the membrane to reduce dirt pick up.
- Highly reflective
- Excellent dimensional stability
- Factory-applied lacquer coated to reduce dirt pick up
- Hot-air welded seams for long-term performance
- Proven membrane performance
- Superior fire resistance
Usage
Sarnafil® G 410-72 Feltback EnergySmart is used in adhered applications with various adhesives over various substrates. Areas of Application- New roofs
- Reroofs
- Flashings
Advantages
- Highly reflective
- Excellent dimensional stability
- Factory-applied lacquer coated to reduce dirt pick up
- Hot-air welded seams for long-term performance
- Proven membrane performance
- Superior fire resistance
Packaging
White, Reflective Grey, and Tan
Feltback: 3 m x 24 m (10 ft x 80 ft) roll, 190 kg (419 lb) per roll, 8 rolls per pallet
Patina Green
Feltback: 2 m x 15 m (6.56 ft x 49.2 ft) roll, 80 kg (177 lb) per roll, 10 rolls per pallet
Colour
- Top: White, Reflective Grey, Tan, and Patina Green
- Bottom: Grey
Product Details
APPROVALS / CERTIFICATES
- FM Global
- Underwriters Laboratories
- Underwriters Laboratories of Canada
- ICC Code Compliance – ESR 1157
- Miami-Dade County
- Florida Building Code
- NSF/ANSI 347: Platinum Certified
- ENERGY STAR®
- California Title 24
- LEED / Green Globes
- CGSB-37-54.95 Type 2/Class B
- CSA-A123.21
Composition / Manufacturing
High‐quality, PVC Thermoplastic roof membrane containing ultraviolet light stabilizers, flame retardant and fibreglass reinforcement with a unique lacquer coating on the top surface.
Recycled content
9 % Pre‐consumer, 1 % Post‐consumer
Reinforcing Material
Fibreglass
Shelf Life
Not applicable
Storage Conditions
Store rolls on pallets and fully protected from the weather with clean canvas tarpaulins. Unvented polyethylene tarpaulins are not accepted due to the accumulation of moisture beneath the tarpaulin in certain weather conditions that may affect the ease of membrane weldability.
Overall Thickness
| 1.8 mm (72 mil) 1.14 mm (45 mil) | (ASTM D751) (ASTM Type II D4434 Spec. Requirement) |
Thickness Above Scrim
| 0.89 mm (35 mil) 0.40 mm (16 mil) | (-) (ASTM Type II D4434 Spec. Requirement) |
Felt Weight
305 g/m2 (9 oz/sq yd)
Resistance to Static Puncture
| Pass 15 kg (33 lbf) | (ASTM D5602) (ASTM Type II D4434 Spec. Requirement) |
Resistance to Dynamic Puncture
| Pass 10 J (7.3 ft-lbf) | (ASTM D5635) (ASTM Type II D4434 Spec. Requirement) |
Tensile Strength
| 445 N (100 lbf/in) 245 N (55 lbf/in) | (ASTM D751) (ASTM Type II D4434 Spec. Requirement) |
Linear Dimensional Change
| ‐0.01 % 0.1 % | (ASTM D1204) (ASTM Type II D4434 Spec. Requirement) |
Tear Strength
| 91 N (20.5 lbf) 45 N (10 lbf) | (ASTM D1004) (ASTM Type II D4434 Spec. Requirement) |
Seam Strength
| Pass 75 % of original2 | (ASTM D751) (ASTM Type II D4434 Spec. Requirement) |
2Failure occurs through membrane rupture not seam failure.
Low Temperature Flexibility
| Pass Pass | (ASTM D2136), ‐40 °C (‐40 °F) (ASTM Type II D4434 Spec. Requirement) |
Retention of Properties after Heat Ageing
| Tensile Strength, % of original | Pass | (ASTM D751) |
| Elongation, % of original | Pass | (ASTM D751) |
| Tensile Strength, % of original | 90 | (ASTM Type II D4434 Spec. Requirement) |
| Elongation, % of original | 90 | (ASTM Type II D4434 Spec. Requirement) |
Resistance to UV Exposure
| 10 000 hours 5000 hours | (ASTM G154) (ASTM Type II D4434 Spec. Requirement) |
| Cracking (7x magnification) | None |
| Discoloration (by observation) | Negligible |
| Crazing (7x magnification) | None |
Weight Change after Immersion in Water
| 1.8 % ± 3.0 % | (ASTM D570) (ASTM Type II D4434 Spec. Requirement) |
Solar Reflectance
| EnergySmart Colours | Initial Solar Reflectance1 | 3-Year Solar Reflectance1 |
| EnergySmart White2 | 0.85 | 0.74 |
| EnergySmart Tan2 | 0.73 | 0.65 |
| EnergySmart Reflective Grey3 | 0.73 | 0.66 |
| EnergySmart Patina Green | 0.55 | 0.46 |
1 Solar Reflectance testing according to ASTM C1549.
2 EnergySmart White and EnergySmart Tan membranes meet ENERGY STAR®, LEED, Green Globes, and California’s Title 24 criteria for Low and Steep Slope applications.
3 EnergySmart Reflective Grey membrane meets LEED, Green Globes, and California’s Title 24 criteria for Low and Steep Slope applications.
Thermal Emittance
| EnergySmart Colours | Initial Thermal Emittance1 | 3-Year Thermal Emittance1 |
| EnergySmart White2 | 0.86 | 0.84 |
| EnergySmart Tan2 | 0.85 | 0.86 |
| EnergySmart Reflective Grey3 | 0.89 | 0.88 |
| EnergySmart Patina Green | 0.86 | 0.85 |
1 Thermal Emittance testing according to ASTM C1371, Slide Method.
2 EnergySmart White and EnergySmart Tan membranes meet ENERGY STAR®, LEED, Green Globes, and California’s Title 24 criteria for Low and Steep Slope applications.
3 EnergySmart Reflective Grey membrane meets LEED, Green Globes, and California’s Title 24 criteria for Low and Steep Slope applications.
Solar Reflectance Index
| EnergySmart Colours | Initial Solar Reflectance Index | 3-Year Solar Reflectance Index |
| EnergySmart White1 | 107 | 90 |
| EnergySmart Tan1 | 89 | 78 |
| EnergySmart Reflective Grey2 | 90 | 80 |
| EnergySmart Patina Green | 64 | 51 |
1 EnergySmart White and EnergySmart Tan membranes meet ENERGY STAR®, LEED, Green Globes, and California’s Title 24 criteria for Low and Steep Slope applications.
2 EnergySmart Reflective Grey membrane meets LEED, Green Globes, and California’s Title 24 criteria for Low and Steep Slope applications.
3 Meets ENERGY STAR®, LEED, Green Globes, and California’s Title 24 criteria for Steep Slope applications.
Application
APPLICATION
Sarnafil® G 410-72 Feltback EnergySmart is installed after proper preparation of the approved substrate. The membrane is unrolled into Sarnacol adhesive in accordance with Sika’s technical requirements and then pressed into place with a minimum 45 kg (100 lb) steel roller. Sarnafil® G 410-72 Feltback EnergySmart seams are heat‐welded together by trained operators using hot‐air welding equipment. Different Sarnacol adhesives require different application methods. Consult Sika’s Specifications or Applicator Handbook for detailed installation procedures.