A1F Building Paper
Grade A1F building paper made to BS 1521.
Suitable for use in vapour checks, underlay on uninsulated cladding,
separation layers, draught and damp exclusion, bond breaks and air movement barriers.
A traditional, reinforced kraft bitumen-bonded building paper laminate. Manufactured with wet strength kraft paper and meeting the technical requirements of BS 1521 for waterproof building papers. The product uses polymer-reinforcing scrim.
Color | Brown |
Material | Paper |
Size(width) | 1000 mm |
Uniclass 2015 | |
CAWS | H30/261 Air and vapour control membrane H30/30 Air and vapour control membrane H31/261 Air and vapour control membrane H31/45 Air and vapour control membrane H71/110 Lead sheet fully supported roof covering H71/130 Lead sheet fully supported wall covering H71/150 Lead sheet fully supported covering to dormers H71/160 Lead-covered roofing panels H71/170 Lead-covered cladding panels H71/180 Lead-wrapped panels H71/210 Gutter lining with proprietary expansion joints H71/230 Valley gutter lining to slate/ tile roofs H71/235 Valley gutter lining to lead roofs H71/240 Valley gutter lining to lead roofs H72/10 Valley gutter lining to slate/ tile roofs H72/110 Aluminium sheet fully supported roof covering H72/130 Aluminium sheet fully supported wall covering H72/150 Aluminium sheet fully supported covering to dormers H72/2 Aluminium sheet fully supported roof covering H72/210 Gutter lining with proprietary expansion joints H72/230 Valley gutter lining to slate/ tile roofs H72/240 Recessed valley gutter lining H72/245 Valley gutter lining H72/250 Weathering to H72/5 Aluminium sheet fully supported covering to dormers H72/7 Gutter lining with proprietary expansion joints H73/10 Gutter lining with drips H73/110 Copper sheet fully supported roof covering H73/12 Valley gutter lining to slate/ Tile roofs H73/130 Copper sheet fully supported wall covering H73/15 Weathering to H73/150 Copper sheet fully supported covering to dormers H73/2 Copper sheet fully supported roof covering H73/210 Gutter lining with proprietary expansion joints H73/220 Gutter lining with drips H73/230 Valley gutter lining to slate/ tile roofs H73/240 Recessed valley gutter lining H73/245 Valley gutter lining H73/250 Weathering to H73/5 Copper sheet fully supported covering to dormers H73/61 Sheet underlay H73/645 Sheet underlay H73/7 Gutter lining with proprietary expansion joints H74/10 Valley gutter lining to slate/ tile roofs H74/110 Zinc sheet fully supported roof covering H74/12 Weathering to H74/130 Zinc sheet fully supported wall covering H74/150 Zinc sheet fully supported covering to dormers H74/2 Zinc sheet fully supported roof covering H74/210 Gutter lining with proprietary expansion joints H74/220 Gutter lining with saddle expansion joints H74/230 Valley gutter lining to slate/ tile roofs H74/240 Recessed valley gutter lining H74/245 Valley gutter lining H74/250 Weathering to H74/5 Zinc sheet fully supported covering to dormers H74/7 Gutter lining with proprietary expansion joints H75/10 Valley gutter lining to slate/ Tile roofs H75/110 Stainless steel sheet fully supported roof covering H75/12 Weathering to H75/130 Stainless steel fully supported wall covering H75/150 Stainless steel fully supported covering to dormers H75/2 Stainless steel sheet fully supported roof covering H75/210 Gutter lining with proprietary expansion joints H75/220 Gutter lining with saddle expansion joints H75/230 Valley gutter lining to slate/ tile roofs H75/245 Valley gutter lining H75/250 Weathering to H75/5 Stainless steel sheet fully supported covering to dormers H75/51 Sheet underlay H75/645 Sheet underlay H75/7 Gutter lining with proprietary expansion joints P10/310 Air and vapour control layer P10/60 Air and vapour control layer fixed to studs/ joists/ framing |
Standard | BS 1521. |
Weight (minimum) | 260 g/m². |
Colour | Brown. |
Product Reference | A1F Building Paper |
Moisture vapour resistance | 53 MNs/g. |
TensileStrength | 12.4 kN/m (M/D), 7.20 kN/m (C/D) to BS 4415, dry. |
Bursting strength | 550 kN/m² to BS 3137, dry. |
Minimum liquid water resistance | 24 hours. |
Upper temperature stability | Over 70°C. |
Chemical resistance | Resistant to chemicals found in plaster and cement. |
Biological | Does not attract insects or vermin. |
Tape | Novia Double Sided Butyl Tape. Novia Metallised BOPP tape. |
Country of material origin | United Kingdom |
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