Construction Wool Facings

To an increasing degree, mineral wool insulators, such as mats, slabs and pie sections, are coated with facings offering a variety of properties and strengths.

Walki supplies the best facings available for modern insulation materials. Our comprehensive product range offers specifications from simple plastic-coated paper to multi-layer solutions. We provide our customers with high-quality materials and solid competence in facing applications together with our versatile production lines.

Walki®Wool Alkraft

Walki®Wool Alkraft is the solution when different mineral wool based insulations need to be easily finished with a good water vapour barrier. It is made of very strong kraft paper with an aluminium layer and polyethylene coating. Walki®Wool Alkraft can be lacquered and printed.
If you need a stronger version we can offer Walki®Wool Alkraft DD where we have added a glass fibre scrim.

Walki®Wool Alnet

Walki®Wool Alnet is an aluminium facing strengthened with a glass fibre scrim which is heat sealable to mineral wool. Mineral wool products may include boards, mats or different pipe insulations. Facing protects them from moisture and improves their fire classification. Facing also facilitates the treatment and installation of insulation products which is and important benefit. It also prevents fractures, dust building and rubbing of the insulations in narrow spaces where people move. Walki®Wool Alnet can be lacquered, preforated and preprinted.


Walki®Wool Alnet G

Walki®Wool Alnet G is an aluminium facing strengthened with a glass fibre scrim. It can be glued to the surface of the mineral wool.
mineral wool products may include boards, mats or different pipe insulations. Facing protects them from moisture and improves their fire classification. Facing also facilitates the treatment and installation of insulation products which is an important benefit. The PCS value of the facing itself may be limited to 2 MJ/kg, corresponding the Euroclass A1 fire classification.

Walki®Wool Alnet Sono

Walki®Wool Alnet Sono is a heat sealable aluminium facing for mineral wool, strengthened with a glass fibre scrim. An important feature is its perforation: each square metre has over 30,000 punctures which gives good sound and noice reduction properties to the facing.
Walki®Wool Alnet Sono finished insulations are often used in air ducts and celing panels. The facing can be lacquered and printed.

Walki®Wool Sealkraft

Walki®Wool Sealkraft is the solution when the indoor walls of the building need to be both insulated and protected by a vapour barrier. It is a strong polyethylene coated craft paper designed as a facing for mineral wool insulation.
Walki®Wool Sealkraft provides a good moisture barrier for insulation products like rolls and panels. Facing can easily be heat sealed.