Product Data Sheet Show all documents

Cromar® Pro Valley Bonding Strip

Dry fix GRP bonding accessory

Designed to form a weathertight bonding joint beneath tiles or slates where a dry fix GRP valley detail is required.

  • Made from glass reinforced polyester (GRP) for enhanced strength and durability. 
  • Provides a weathertight bonding joint at valley transitions, improving moisture protection.
Seek a Stockist Contact Us
Product Data Sheet Show all documents

Usage

Used both over batten and under batten, depending on roof design.  

Advantages

  • Made from glass reinforced polyester (GRP) for enhanced strength and durability. 
  • Provides a weathertight bonding joint at valley transitions, improving moisture protection.

Packaging

Banded in 10 lengths of 3 m.

Product Details

Product Information

Shelf Life

Physical plastic items have not had their shelf life determined due to longevity.

Storage Conditions

The product must be stored undamaged in packaging, in dry conditions at temperatures between + 5 °C and + 30 °C.

Application

Application steps

APPLICATION INSTRUCTIONS

  • Fit over batten or under batten.
  • Lay strips straight and fully supported to maintain correct water flow. 
  • Maintain the correct water shedding direction toward the eaves. 
  • Overlap adjoining lengths by at least 150 mm. 

Documents