Bituminous waterproofing is not limited to plain black membranes used beneath other layers. Roofing applications may also use products with specially finished upper surfaces. One common category is the mineral-surfaced bituminous membrane.
It is a bitumen-based waterproofing membrane with a mineral granule finish on its upper surface. Depending on product design, this finish can support protection of the upper layer and provide a more suitable visible surface for exposed applications.
Where compatible with the roof design, mineral-surfaced membranes may be used as an exposed finishing layer.
In areas where appearance also matters, the membrane can contribute both waterproofing and a finished visual surface.
After the existing roof build-up is technically assessed, mineral-surfaced products can be considered as part of refurbishment solutions.
No. Roof slope, drainage, substrate, climate, traffic and project specification should be reviewed. The product should not be selected based on appearance alone.
İzopak provides bituminous membrane alternatives for different roofing requirements. Mineral-surfaced solutions such as the PAR series can be evaluated for roofs, canopies, eaves and verandas depending on project conditions.
Mineral-surfaced membranes are a valuable option for exposed roofing applications, provided that product selection and detailing are matched to project requirements.
