A1F Building Paper
Grade A1F building paper made to BS 1521.
Various applications.
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.
Example Application:
- Vapour checks.
- Underlays on uninsulated cladding.
- Temporary protection.
- Separation layers.
- Bond breaks.
- Draught and damp exclusion.
- Air movement barriers.
Application:
Various applications.
Features | Reinforcement |
Material | Paper |
Shape | Roll |
Size | 1000 mm (width) |
Uniclass 2015 | |
CAWS | H30/261 Air and vapour control membrane H30/30 Air and vapour control membrane H31/261 Vapour control membrane H31/45 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 Roofing H73/12 Valley gutter lining to slate/ Tile roofs H73/130 Cladding H73/15 Weathering to H73/150 Dormers H73/2 Roofing 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 Dormers H73/61 Needle punched nonwoven polyester geotextile underlay H73/645 Needle punched nonwoven polyester geotextile underlay H73/7 Gutter lining with proprietary expansion joints H74/10 Valley gutter lining to slate/ tile roofs H74/110 Roofing H74/12 Weathering to H74/130 Cladding H74/150 Dormers H74/2 Roofing 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 Dormers H74/7 Gutter lining with proprietary expansion joints H75/10 Valley gutter lining to slate/ Tile roofs H75/110 Roofing H75/12 Weathering to H75/130 Cladding H75/150 Dormers H75/2 Roofing 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 Dormers H75/51 Needle punched nonwoven polyester geotextile underlay H75/645 Needle punched nonwoven polyester geotextile 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 |
Product Reference | A1F Building Paper |
Standard | BS 1521 |
Weight (minimum) | 260 g/m² |
Colour | Brown |
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 TapeNovia Metallised BOPP tape |
Standard product features | Colour: Brown. Features: Reinforcement. Material: Paper. Shape: Roll Size: 1000 mm (width). Country of Origin: UK. |
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