Engineered materials

Construction Wool Facings

- technical solutions Mineral wool insulators, such as mats, slabs and pipe sections, are coated with facings offering a variety of properties and strengths.
Walki's comprehensive product offering ranges from a simple polymer coated paper to complex 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 Alnet
Walki®Wool Alnet is a heat sealable aluminium facing strengthened with a glass fibre scrim designed for mineral wool insulation facings. Commonly used as facing for lamella mats, pipe sections and slabs.
 Walki®Wool Alnet G Walki®Wool Alnet G is gluable aluminium facing strengthened with a glass fibre scrim. 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 perforated, heat sealable aluminium facing for mineral wool, strengthened with a glass fibre scrim.
Good sound and noise reduction propertieseach can be achieved due to the perforation of over 30,000 punctures in a square meter. Walki®Wool Alnet Sono finished insulations are often used in air ducts and ceiling panels. The facing can be lacquered and printed.