Fire-Rated Sisalation Radiant Barrier
Sisalation Fireshield NC502
Sisalation Fireshield NC502 is a double-sided aluminium foil radiant barrier with reinforced scrim and flame-retardant adhesive. It is designed for heavy industrial, commercial, retail, hospitality and medical facilities requiring enhanced fire performance.
Classification
Product Overview
Sisalation Fireshield NC502 is a double-sided aluminium foil radiant barrier with reinforced scrim in the middle, laminated with a flame-retardant adhesive.
Each 1.25m × 40m roll provides 50m² total area and approximately 44m² effective coverage after the required overlaps. It is designed for heavy industrial, commercial, retail, hospitality and medical facilities.
Key Benefits
- ✓ Double-sided aluminium foil radiant barrier
- ✓ Reinforced scrim core
- ✓ Flame-retardant adhesive
- ✓ 50m² total roll area
- ✓ 44m² effective coverage
- ✓ 140g/m² reinforced construction
- ✓ A2-s1,d0 fire classification
- ✓ Low 0.03 surface emissivity
Typical Roof Use
Used as an under-roof or side-cladding radiant barrier in heavy industrial, commercial, retail, hospitality and medical buildings.
Technical Product Data
Sisalation Fireshield NC502 Technical Specifications
Specifications from the February 2025 Sisalation Fireshield NC502 D/S 140g product data sheet.
| Product range | Sisalation |
|---|---|
| Product type | Roofing Insulation |
| Material | Radiant Barrier |
| Grade | Fire-rated heavy industrial and commercial |
| Appearance | Silver |
| Construction | Double-sided aluminium foil with reinforced scrim and flame-retardant adhesive |
| Roll width | 1250mm |
| Roll length | 40m |
| Total roll area | 50m² |
| Effective coverage | 44m² |
| Recommended overlap | 150mm |
| SANS 428 fire rating | A/A1/1/H&V (SP&USP) |
| SANS 53501-1 fire rating | A2-s1,d0 |
| Mass per unit area | 140g/m² |
| Approximate roll weight | ±7.0kg |
| Longitudinal tensile strength | 17.8kN/m |
| Transverse tensile strength | 14.2kN/m |
| Burst strength | 0.042kPa |
| Foil-surface emissivity | 0.03 |
| Typical applications | Heavy industrial, commercial, retail, hospitality and medical facilities |
Roof and Cladding Applications
Where Is Sisalation Fireshield NC502 Used?
Fireshield NC502 is intended for heavy industrial, commercial, retail, hospitality and medical facilities where its fire classification suits the project.
Heavy Industrial and Commercial Buildings
A reinforced, fire-rated radiant barrier for specified heavy industrial and commercial roof systems.
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Retail and Hospitality Facilities
Suitable for specified retail and hospitality roof applications requiring enhanced fire performance.
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Medical Facilities
Used as an under-roof or side-cladding radiant barrier where the specified fire classification is required.
View Radiant Barriers →Installation Notes
Sisalation Fireshield NC502 Installation Guidance
Installation must follow the approved roof design, project specification and current manufacturer instructions.
Need Sisalation Fireshield NC502 Rolls?
Tell us your roof area and required quantity. We can help estimate the number of rolls and provide a supply quote.
Request a Supply QuoteProduct Documentation
Sisalation Fireshield NC502 Data Sheet
View the current dimensions, effective coverage, physical properties and fire classifications.
Sisalation Fireshield NC502 Data Sheet
February 2025 technical data covering roll dimensions, construction, strength, coverage and fire classifications.
Sisalation Fireshield NC502 Information
Frequently Asked Questions
The data sheet records A/A1/1/H&V (SP&USP) under SANS 428 and A2-s1,d0 under SANS 53501-1.
A 1.25m × 40m roll contains 50m². Effective coverage is approximately 44m² after allowing for the specified 150mm overlaps.
It is intended for heavy industrial, commercial, retail, hospitality and medical facilities where its fire classification suits the project specification.
It has aluminium foil on both sides with reinforced scrim in the middle. The layers are laminated using a flame-retardant adhesive.
The product data specifies a 150mm overlap. The complete roof design and installation specification must also be followed.
Fireshield NC502 is a 140g/m² reinforced product classified A2-s1,d0. FR430 is a heavier 256g/m² product classified B-s1,d1. Selection should follow the project fire specification rather than weight alone.
Need Sisalation Fireshield for Your Roof?
Tell us your roof area and the number of rolls you need. We can help calculate effective coverage, confirm current pricing and stock, and quote for supply with collection or delivery options.