Roof sarking insulation improves a building's thermal performance by reducing radiant heat transfer, moisture intrusion, and air leakage. Installed beneath the roof covering, it provides an additional protective layer that helps keep indoor spaces cooler in summer and warmer in winter while protecting the roof structure.
Reflective roof sarking insulation is particularly effective for metal roofs and buildings in hot climates, where it helps reduce heat gain and lowers the demand for air conditioning. The result is improved year-round comfort, lower energy costs, and a more durable, energy-efficient building.
| Item | Standard Specification |
|---|---|
| Product Type | FR Roof Sarking Membrane |
| Standard Roll Sizes | 1350 mm × 30 m 1350 mm × 60 m 1500 mm × 30 m 1500 mm × 60 m |
| Thickness | 0.2 mm |
| Weight Per Roll | 4.3–9.0kg |
| Reflectivity | 97% |
| Emissivity | ≤ 0.03 |
| Water Vapor Transmission Rate (WVTR) | ≤ 0.15g/(m2·24h) |
| Tensile Strength | Machine Direction (MD): 139 MPa Transverse Direction (TD): 85 MPa |
| Color | Customizable |
| Key Functions | Heat Reflection, Thermal Insulation, Flame Retardant Performance |
| Flame Resistance | AWTA AS/NZS 1530.2 Low Flammability |
The aluminum foil surface reflects a significant portion of radiant heat from the roof, helping reduce heat transfer into the building and improving overall insulation efficiency.
The FR treatment helps improve fire performance and supports the use of the material in roofing systems where fire safety requirements must be considered.
The multi-layer structure helps prevent water penetration and reduces moisture-related issues within roofing assemblies.
The woven reinforcement layer provides excellent tensile strength and tear resistance, allowing the membrane to withstand installation stresses and long-term service conditions.
Designed for use under metal roofing, tile roofing, and other roof systems, the membrane acts as an additional protective layer against dust, wind-driven rain, and condensation.
The material can be easily rolled out, cut, and fixed during roofing installation while maintaining dimensional stability.
Our versatile roof sarking insulation is suitable for various roofing and wall cladding applications:
Suitable for Australian homes, townhouses, extensions and roof renovation projects, providing thermal protection, moisture resistance and improved roof performance.
Suitable for Australian metal roofing systems, including Colorbond® steel roofing applications, helping reduce radiant heat gain and improve roof space comfort.
Suitable for concrete and terracotta tile roofs, providing a secondary protective layer against moisture, dust and wind-driven rain.
Ideal for warehouses, workshops and large-scale metal roof structures requiring improved thermal performance and weather protection.
As an experienced roof sarking manufacturer, we provide flexible customization options for global distributors, importers, and construction material suppliers.
We support sample testing, trial orders, and full container supply programs for long-term cooperation.
Stable production processes ensure consistent performance for international roofing applications.
Insulation must be installed in strict accordance with best practices to effectively minimize the risk of condensation. Once insulation materials become wet, most of them will suffer a marked decline in thermal performance and a significant reduction in service life.
Therefore, beyond proper installation techniques, the entire roof assembly—including roof covering, ventilation requirements, flashing details, and sealing points—must be designed and constructed to provide reliable protection against heavy rain, wind-driven storms, and changing weather conditions.
Special attention should be given to correct installation methods, drainage paths, ventilation gaps, and waterproofing around penetrations and transitions. Temporary protection during construction is also important to prevent water ingress before the roof system is fully completed.
Regular inspection and maintenance are recommended to ensure long-term durability and consistent performance of the roof sarking system.
