BBA Agrément Certificate
Certificate type
BBA Agrément Certificate
Certificate type
Certificate available
Provided by British Board of Agrément (BBA)
Date of first issue: 04/11/1992
Date of last issue: 23/09/2021
Topseal DoubleTop System - GRP waterproofing system
Topseal GreenTop System - Fibreglass flat roof for a green roof
Topseal HD System - GRP waterproofing system
Topseal PU - Polyurethane roofing system
Topseal GRP Standard System - Fibreglass flat roofing