Made from spun bonded polypropylene, this Spirtech 400 2S is a four-layer, vapour-permeable underlay designed for pitched roofs. It offers an innovative solution from Redland as a heavy-duty underlay featuring a unique adhesive system. This system brings horizontal laps together, creating an impervious membrane that persistently resists wind uplift.

Brand Name	Redland
Colour	N/A
Material	spun bonded polypropylene
Manufacturer Model No	920200/400-2S
Wear Type	N/A
Type	Vapour Permeable Roof Underlay
Certifications Met	BBA certification
Country of Origin	N/A
Protects From	wind uplift
Waterproof	N/A
Number of Pockets	N/A
Width	1.5m