Imperial 3mm Underlay
This waterproofing membrane consists of a straight run bitumen heavily modified with polymers (APP Atactic Polypropylene) and reinforced with non‐woven polyester.
Top surfaced finished with white calibrated washed sand
Underside finished with a thermo fusible film with wafer patterning structure.
Reinforcement: non‐woven polyester
Coating mass: plastomer bitumen, consisting of ±70 % bitumen and ±30% atactic polypropylene (APP).
ISO 9001: 2000&2008 Quality and management assurance program certified from Bureau Veritas Certification.
CE‐ certification from INTRON Certification
Technical Data Sheets