Siga Majcoat 150 Roofing Underlay

Roofing underlay membranes. SIGA adhesion ensures durability and excellent adhesion in both high and low temperatures. Printed installation guides allow for quick and easy installation. Resistant to tearing and abrasion. 3 layers, functional layer reinforced on both sides with non-woven PP material. Thickness: 0.55 mm. Weight per area: 150 g/m2. EN 13859-1/EN 13859-2. sd value: 0.05 m. Vapor resistance: <0.01 MNs/g, resistant to rain gases. Waterproof: significantly exceeds the requirements of EN 1928 standard W1 class. Reaction to fire: Class E according to EN 13501-1 standard. Roof slope must be at least 10°.

Suitable for the lower layer of the roof according to normal and elevated requirements according to SIA 232. Meets the requirements of table 1 of the "Breathable membranes" data sheet of ZVDH. Suitable for use as a USB-A class roof membrane. Suitable for temporary coverings/construction coverings for up to 4 weeks. Compatible with SIGA accessories: Wigluv, Primur rolls, SIGA nail insulation tape. Majcoat 150 SOB: Suitable for waterproofing the lower layer of the roof according to ÖNORM B 4119 standard.