Building Paper Typical applications

• Heavy duty waterproof building paper.
• A traditional, reinforced bitumen-bonded, building paper laminate to BS 1521 Class A1F, manufactured with wet strength kraft paper and meeting the technical requirements of BS 1521, Class A1F for water-proof building papers.
• Use for underlays on uninsulated cladding, temporary protection, separation layers, bond breaks and draught exclusion.