BLACK DPC Polythene Waterproof DPC: damp proof courses
is a thick, black polyethylene strip with an embossed surface that is used as a dampcourse material
A damp proof course ( DPC ) is a physical barrier inserted into the fabric of a building to stop water passing from one place to another. This can be on a horizontal plane, stopping water rising up from the ground by being sucked up by the dry masonry above, or vertically to stop water passing from the outside of a building, though the masonry, to the inside. DPC's have taken many forms through the ages and one of the earliest forms was to use a layer of slate in the construction. Slate is still used but the less expensive plastic version ( below right ) is now more widely used.
Damp Cor – Polythene Dampcourse Flashing
size details
110mm wide x 500um x 30m 150mm wide x 500um x 30m 230mm wide x 500um x 30m 300mm wide x 500um x 30m 380mm wide x 500um x 30m 450mm wide x 500um x 30m
Technical Specification of DPC
Water Vapour Permeability
0.28 gm2 day-1
BS3177
Water Vapour Transmission
733 MNsg-1
Water Absorption
0.22%
BS2782 : 430A
Resistance to Leakage at Joints
PASS
MOAT 27 : 5.2.1
Tensile Strength of Joint
UNAGED : 300 N HEAT AGED : 290 N WATER SOAK : 257 N
MOAT 27 : 5.2.2/3/4
Cold Flex Temperature
−60°C
BS2782 : 320A
Tensile Strength
L : 12.9 Nmm-2 T : 11.2 Nmm-2
BS2782 : 320A
Elongation at Break
L : 415% T : 582%
BS2782 : 320A
Tear Strength
L : 122 Nmm-1 T : 96 Nmm-1
BBA Method
Low Temperature Flexibility
L : <−25 T : <−25
MOAT 27 : 5.4.2
Dimensional Stability
L : −2.0% T : −0.3%
MOAT 27 : 5.1.6
Mortar Adhesion Test
PASS
Cream Method
Packaging & Shipping
Sizes available
110mm x 30m /50m roll
150mm x 30m /50m roll
230mm x 30m /50m roll
300mm x 30m /50m roll
380mm x 30m /50m roll
450mm x 30m /50m roll
600mm x 30m /50m roll
Company Information
Our Services
Sample is free of charge.
Reasonable Price, Excellent Quality & Attentive Service
The delivery time is about 15-20 days after receiving the deposit.
We offer not just excellent products but service and market solutions.
Welcome to visit our homepage or contact with us for more information. Thank you.
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