More Information
Allowing water to safely run off the roof into the gutter, GRP Valleys provide a robust, durable and lightweight alternative to traditional lead and zinc valleys. Klober GRP Valleys are lightweight and flexible to handle for a safe and easy installation. Whilst they are Fire tested to comply with BS 476: Part 3 SAB and Part 7 Class 3.
Specifications
Technical Data
Material
UV stabilised Glass Reinforced Polyester
Minimum Pitch
17.5° rafter pitch
BBA Standard Applicable
Fire tested to comply with BS476: Part 3 SAB and
Part 7 Class 3
BBA Standard Applicable
Fire tested to comply with BS476: Part 3 SAB and
Part 7 Class 3
Packaging
Number of Pieces per Carton/Pack
10
Number of Carton/Pack on Pallet
25
Number of Pieces per Pallet
250
Technical Data
Material
UV stabilised Glass Reinforced Polyester
Minimum Pitch
17.5° rafter pitch
BBA Standard Applicable
Fire tested to comply with BS476: Part 3 SAB and
Part 7 Class 3
BBA Standard Applicable
Fire tested to comply with BS476: Part 3 SAB and
Part 7 Class 3
Packaging
Number of Pieces per Carton/Pack
10
Number of Carton/Pack on Pallet
25
Number of Pieces per Pallet
250
Installation
- Valley boards should be cut between rafters
- Alternatively a 6mm board can be installed over the rafters
- Lay an additional continuous strip of underlay central to the valley
- Install valley central to valley boards pinching the central upstand together
- Ensure valley sections overlap to suit roof pitch and are nail fixed into the valley batten
Area of application
- 20° maximum pitch variance, 17.5° - 60° rafter pitch
- Use on tile and slate pitched roofs
Standards and Certifications
Benelux Dutch
Deutschland
Italy
Osterreich
United Kingdom
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