Novia Polybit Building Paper
Verified by manufacturer 5 months ago
Polybit building paper made to BS 1521 Class A1F.
Application
Typically used where conditions require a material with additional strength and durability.
Description
A traditional reinforced kraft paper bitumen-bonded building paper laminate used within the construction industry, which meets the requirements of the highest grade of BS 1521 materials. The product uses polymer-reinforcing scrim.
Example application:
- Moisture barrier.
- Separation layers.
- Temporary protection.
- Underlays on uninsulated cladding.
- Draught and damp exclusion barriers.
General information
Color | Brown |
Finish | Coated Guidance for specification option: Polythene coated. |
Material | Laminate Guidance for specification option: Reinforced, bitumen-bonded, building paper laminate. |
Shape | Rectangle |
Length | 25000 mm |
Width | 1000 mm |
Uniclass | |
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 H72/210 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 H73/210 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 H74/210 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 H75/210 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 |
Product range |
Specification data - Building papers
Standard | BS 1521, Class A1F. |
Material | Bitumen-bonded Kraft paper. |
Weight (minimum) | 6.75 kg. |
Colour | Brown. |
Moisture vapour resistance | 53 MNs/g minimum. |
TensileStrength | 12.4 kN/m (M/D), 7.20 kN/m (C/D) minimum to BS 4415, dry. |
Bursting strength | 550 kN/m² minimum to BS 3137, dry. |
Minimum liquid water resistance | 24 hours. |
Chemical resistance | Resistant to chemicals found in plaster and cement. |
Tape | Novia Double Sided Butyl Tape. Novia Metallised BOPP tape. |
Sustainability data
Contains Red List materials | No |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Literature
Novia Polybit Technical Datasheet July 22