Siga Majcoat Roofing Underlay 1.5x50m, 75m2

Roofing underlay membranes. SIGA adhesion ensures strong and excellent adhesion in both high and low temperatures. 3 layers, with 2 protective layers that protect the functional layer from rain gases and moisture diffusion. Durable, resistant to damage during construction work. The functional layer is reinforced on both sides with non-woven PP material. Thickness: 0.6 mm. Weight per area: 190 g/m2. EN 13859-1/EN 13859-2. sd value: 0.1 m.

Vapor resistance: <0.02 MNs/g resistant to rain gases. Waterproof: significantly exceeds the requirements of EN 1928 standard class W1. 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 under 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 8 weeks. Compatible with SIGA accessories: Wigluv, Primur rolls, SIGA nail insulation tape. Majcoat SOB: Suitable for waterproofing the lower layer of the roof according to ÖNORM B 4119 standard.