GCA Butyl Strip
GCA® is a high performance butyl tape suitable for use in steel and aluminium roofing systems. It has been carefully formulated to provide a long-life, airtight seal to help buildings comply with Building Regulations Approved Document Part L Standard.
- External Metal Sheeting – sealing end and side laps in steel and aluminium roofing systems
- Metal Liner Sheeting – sealing end laps
- Sealing rooflights
- Sealing metal flashings
- Ridge and eaves sealing in combination with foam fillers
- Sealing penetrations to roof and wall cladding
National Federation of Roofing Contractors (NFRC) Class A Performance – Third party certification by a UKAS accredited laboratory.