Choosing the right roofing felt is crucial for ensuring long-lasting protection for your property. Let's dive into a detailed comparison of Soprema's premium Sopratorch product line: the SL400, SL490, and SL500 series.
Product Overview
All three Sopratorch products share fundamental characteristics - they are high-quality mineral cap sheets designed for professional roofing applications, featuring excellent durability and superior weather resistance.
Common Features
- Elastomer modified bitumen construction
- Non-woven polyester reinforcement
- Black mineral surface finish
- Thermofusible film protection
- UV radiation resistance
- 75mm side overlap
Technical Specifications
| Feature | SL400 | SL490 | SL500 |
|---|---|---|---|
| Roll Length | 8m | 7m | 8m |
| Roll Width | 1m | 1m | 1m |
| Core Material | Polyester | Non-woven Polyester | Composite Polyester |
Installation and Application
Professional Installation
Each Sopratorch variant requires installation by trained roofing professionals to maintain warranty coverage and ensure optimal performance.The installation method is consistent across all three products:
- Torch-on or hot-air application
- Thermofusible film that burns away during installation
- 75mm side overlap for secure seaming
- Compatible with single or multi-layer systems
Product-Specific Features
SL400
The entry-level option offers standard durability for typical applications, with basic UV and weather resistance, ideal for standard flat roof installations.
- Standard durability for typical applications
- 8m × 1m coverage per roll
- Basic UV and weather resistance
- Suitable for standard flat roof installations
Buy Soprema Sopratorch SL400 capsheet here
SL490
The mid-range option features enhanced elastomer modified bitumen composition, superior flexibility, and exceptional strength from non-woven polyester reinforcement.
- Enhanced elastomer modified bitumen composition
- Superior flexibility and resilience
- Exceptional strength from non-woven polyester reinforcement
- Specialized granule finish for improved UV protection
Buy Soprema Sopratorch SL490 capsheet here
SL500
The premium option includes advanced composite polyester reinforcement, maximum durability, and superior weather resistance for demanding applications.
- Advanced composite polyester reinforcement
- Maximum durability and performance
- Superior weather resistance
- Enhanced longevity for demanding applications
Buy Soprema Sopratorch SL500 capsheet here
Installation Requirements
- Professional installation required
- Torch-on or hot-air application
- Compatible with single or multi-layer systems
- Manufacturer warranty when installed by certified professionals
Applications
- New flat roof installations
- Roof refurbishment projects
- Commercial building waterproofing
- Residential roofing systems
Packaging Options
- Individual rolls for smaller projects
- Pallets containing 25 rolls for larger installations
Cost Considerations
While specific pricing isn't provided in the documentation, the cost hierarchy typically follows the product numbering:
- SL400: Entry-level pricing
- SL490: Mid-range pricing
- SL500: Premium pricing
Lifespan and Durability
The longevity of each product depends on:
- Professional installation
- Environmental conditions
- Maintenance schedule
- System configuration (single or multi-layer)
All variants come with manufacturer warranties when installed by certified professionals according to specifications
Making the Right Choice
Choose SL400 if you need:
- Standard flat roof protection
- Cost-effective solution
- Basic weather resistance
Choose SL490 if you require:
- Enhanced flexibility
- Superior strength
- Improved UV protection
Choose SL500 if you demand:
- Maximum durability
- Premium performance
- Extended lifespan
- Superior weather resistance
Conclusion
The Sopratorch torch-on roofing felt range offers solutions for various roofing needs and budgets. While the SL400 provides reliable basic protection, the SL490 offers enhanced durability and flexibility, and the SL500 delivers premium performance and longevity. The choice between these options should be based on specific project requirements, environmental conditions, and budget constraints.
