Alkali-resistant glass fibre mesh (in compliance with the ETAG 004 guide) for reinforcing protective waterproofing layers, anti-fracture membranes and thermal insulation systems. TECHNICAL DATA: Colour: blue. Weight: 150 g/m² ± 5%. Mesh size: 4x4.5 mm. Storage: unlimited. Packaging: 50 m x 1 m rolls.