Building Papers

Description

Features:

  • Conform to BS EN 1521/ A1F.
  • Are suitable for smooth plywood decking (underside of decking must be ventilated).
  • Can prevent chemical attack from smooth concrete, stone or oak surfaces.
  • Must be fitted over whole substrate area.

General information

Features

Conform to BS EN 1521/ A1F

Are suitable for smooth plywood decking (underside of decking must be ventilated)

Can prevent chemical attack from smooth concrete, stone or oak surfaces

Must be fitted over whole substrate area

Uniclass 2015

Pr_25_57_10_09 Building papersPrimary

CAWS

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

H71/20 Weathering to

H71/250 Weathering to

H71/27 Soakers for mitred hips to slate/ plain tile roofs

H71/30 Apron flashings

H71/310 Ridge/ hip rolls to lead roofs

H71/315 Ridge/ hip rolls to slate roofs

H71/35 Cover flashings

H71/41 Soakers and step flashings

H71/410 Apron flashings

H71/420 Cover flashings

H71/430 Cover flashings

H71/440 Soakers and step flashings

H71/45 Step and cover flashings

H71/450 Step and cover flashings

H71/452 Single-step and cover flashings

H71/454 Single-step flashings

H71/456 Step flashings with secret gutter

H71/458 Step and cover flashing with secret gutter

H71/460 Change of roof pitch flashings

H71/470 Flashings

H71/472 Chimney flashings to slate/ plain tile roofs

H71/474 Chimney flashings to single lap tile roofs

H71/476 Chimney damp-proof course

H71/478 Chimney damp-proof course

H71/490 Vertical tiling/ Slating bottom edge flashings

H71/492 Vertical tiling/ Slating top edge flashings

H71/494 Vertical tiling/ Slating side abutment step flashings

H71/496 Vertical tiling/ Slating angle soakers

H71/497 Lead damp-proof course/ Cavity tray at raking abutments

H71/498 Combined lead damp-proof course/ Cavity tray and cover flashing at horizontal abutments

H71/5 Lead sheet fully supported covering to dormers

H71/50 Flashings

H71/52 Chimney flashings

H71/54 Vertical tiling/ Slating bottom edge flashings

H71/55 Vertical tiling/ Slating top edge flashings

H71/56 Vertical tiling/ Slating side abutment step flashings

H71/57 Vertical slating angle soakers

H71/645 Sheet underlay

Specification data - Building papers

Product Reference

Standard A1F

Waterproof, reinforced building paper for use as an underlay, separation, curing layer and vapour check membrane.

Polybit Moistop

Polyethylene coated building paper for use as a damp proof membrane.

Standard product features

Width:

1 m.