Siga Majcoat 150 Professional Underlay Sheet 3 m x 50 m Diffusion Open Underlay Impact Rain Proof 75 m²

Siga Majcoat 150 Professional Underlay Sheet 3 m x 50 m Diffusion Open Underlay Impact Rain Proof 75 m²


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The Siga Majcoat 150 is a rain-proof and diffusion-proof underlay sheet. It is suitable for creating a permanently windproof building cover on sloping roofs and facades and is characterised by a wide range of uses. Application and areas of application: the Majcoat 150 underlay sheet can be used for intermediate rafter and rafter insulation as well as for ventilated facades. It is suitable for roof slopes from 10° and a usual outdoor weather time for reliable protection of the roof construction from the outside. The Majcoat 150 ensures easy, quick handling and meets all the requirements of the ZVDH. So it is also suitable as a repair cover or underlay of class USB-A. In addition, it complies with the ZVDH product data sheet class UDB-A according to table 1 and together with the Siga accessories (Wigluv , Primur Roll, Nail Sealing Tape II) offers a wide range of processing options. In combination with the Siga Majpell vapour barrier (Sd value = 5 m) results in optimal moisture transport with a diffusion gradient of 1:50. Material advantages: the Majcoat 150 consists of a total of three layers, which ensure maximum stability and tear resistance. So your roof, especially during the construction phase, is reliably protected from damage. Furthermore, the functional layer is equipped with polypropylene fibre fleece on both sides to strengthen and protect it. The functional layer is also permanently rain-proof and permeable. Special advantages: with the Majcoat 150 underlay you can quickly create a windproof building cover without much effort. It is extremely tear and abrasion resistant and offers maximum safety when laying and walking. In addition, it has a printed cutting and bonding aid for easy, flawless installation. So you save a lot of time during processing.
Thanks to the printed laying aid on the underlay, it can be processed quickly and safely.
Can be used for intermediate rafter insulation, rafter insulation and for ventilated facades.
Consists of a total of 3 layers of functional layer, which ensure maximum stability and tear resistance.
Suitable for creating a permanently windproof building cover on sloping roofs and facades.

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