Neues Produkt
Hihgly vapour permeable separation layer for metal roofs

183 Alfa Metal Roof Underlay SK

Multi-layered, 3-dimensional ventilation membrane for metal roofs and façades. With self-adhesive butyl strip on one side for an easy installation.

35 customers trust this product!
In stock

Goods will be shipped within 24 hours after receipt of payment.

We deliver exclusively to tradesmen, craftsmen and the industry. Our favourable prices are visible only for registered customers. You are a commercial user and not one of our online customers yet? Please take a few seconds to register here:

Item-No. Measures Packacking Unit Price Quantity
183 2515 (002) 1,5 m x 25 m (37,5 m²) Carton (2 pcs.) **
183 2515 (004) 1,5 m x 25 m (37,5 m²) 2 Cartons (4 pcs.) **
183 2515 (008) 1,5 m x 25 m (37,5 m²) Pallet (8 pcs.) **

Product description

Highly Vapour Permeable Separating Layer with a Weight of 450 g/m²

Alfa Metal Roof Underlay SK is a highly breathable roofing underlayment and sheathing membrane for the ventilation of metal roofs and façades. It also reduces noise caused by rain or hail.

The membrane is the ideal solution for standing seam metal roofs and titanium zinc façades. The 3-layered roofing underlayment is made of polypropylene, the top layer consists of randomly intertwined PP spirals.

Alfa Metal Roof Underlay SK is installed stressfree onto the roof boarding and can be bonded fast and easily with the integrated butyl adhesive strip.


  • 3-layered roofing underlayment
  • Attached 3-dimensional top layer made of tangled PP threads
  • Extremely tear-resistant
  • Reduces noise caused by rain and hail
  • UV-resistance: 3 months
  • Meets the requirements of ZVDH and EnEV!

Proven Quality

Alfa Quality-Seal at fair prices