Ventia Iron & Ventia Metal Roof Underlays

Ventia Iron Roof Underlay is a synthetic building underlay for use under roof claddings. The product consists of a micro-porous water-resistant polypropylene film laminated between two layers of spun bonded polypropylene and is coloured grey.

Ventia Metal Roof Underlay comprises a polymer drainage mat adhered to the Ventia Iron Roof Underlay for use under profiled metal roof cladding.

Always refer to the Appraisal in full and the technical literature.