ProGRP Resin - 20kg
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Professional Building SuppliesCromar Pro 25 Resin - 20Kg
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£148.85
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Product Information
Full details
ProGRP resin is an essential component for professional roofers and experienced DIY enthusiasts installing the ProGRP flat roofing system, providing a robust, high-quality waterproof foundation for roof laminates. While this 100% pure resin offers exceptional durability and coverage of approximately 10sqm per 20kg bucket, users must be diligent with precise mixing ratios and atmospheric conditions to ensure a successful cure.
All features
| Model Part Number | RESIN20 |
|---|---|
| Brand | Cromar |
Extended Product Information
FAQs
How much coverage can I expect from one 20kg bucket?
One 20kg bucket provides coverage for approximately 10sqm.
Do I use the same amount of resin for all matting types?
No. 450gsm matting requires 1.5 litres per square metre, while 600gsm matting requires 2 litres per square metre.
Can I use this resin on a damp surface?
No, the surface must be completely clean and dry to ensure proper adhesion and curing.
Is this resin part of a specific system?
Yes, it is designed specifically as part of the professional ProGRP roofing system.
How should I store the resin when not in use?
Keep the buckets in a cool, dry environment, sealed tightly, and away from direct sunlight.
Troubleshooting
Resin is not curing/staying tacky
Verify that the ambient temperature is within the manufacturer's recommended range and that the correct catalyst ratio was used.
Matting is not fully saturated
Increase the amount of resin applied to the area to match the specific gsm weight of the matting being used.
Surface feels brittle after curing
Ensure the ratio of resin was not too lean; always stick to the recommended 1.5L/sqm or 2L/sqm guidelines.
Pros and Cons
Pros
- High-purity resin ensures long-lasting waterproofing performance
- Reliable coverage rates allow for accurate material planning
- Designed specifically for the professional ProGRP roofing system
- Excellent adhesion properties when used with compatible matting
Cons
- Requires precise measurement of resin to matting ratios
- Heavier 20kg containers may require careful handling on steep roof slopes
- Sensitive to application temperatures and curing conditions
Setup, Compatibility & Care
Proper site preparation is vital for success. Before beginning, ensure the deck is clean, dry, and free from moisture, as trapped water will inhibit the resin's ability to cure properly. Store the 20kg buckets in a cool, dry place away from direct sunlight to maintain the integrity of the resin. Always calculate your square footage accurately to ensure you have enough resin on hand, as starting and stopping mid-layer can affect the seamless finish of the roof. When handling, wear appropriate personal protective equipment, including gloves and eye protection, and ensure adequate ventilation in the workspace.
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