NBS Source
Capital BBA Damp Proof Membrane

Application

For use in solid concrete ground floors not subject to hydrostatic pressure, to protect buildings against moisture from the ground.

Description

BBA approved low density polyethylene membrane, for use in solid concrete ground floors not subject to hydrostatic pressure, to protect buildings against moisture from the ground. It is produced from 100% recycled material. The membranes and the methods of jointing provide an effective barrier to the passage of liquid water and water vapour from the ground and have a high resistance to puncture. On smooth or blinded surfaces they will not be damaged by foot or site traffic, e.g. wheelbarrows.

General information

Finish

Low-density polyethylene (LDPE).

Material

Extruded low density polyethylene (PE-LD) blown film

Uniclass

Pr_25_57_65_60 Plastics sheetsPrimary

CAWS

J40/120 Loose-laid plastics or rubber sheet damp-proofing

J40/130 Loose-laid plastics or rubber sheet oversite damp-proofing

J40/20 Loose-laid plastics or rubber sheet damp-proofing

J40/30 Loose-laid plastics or rubber sheet oversite damp-proofing

Specification data - Plastics sheets

Material

Recycled extruded low density polyethylene (PE-LD) blown film.

Purpose

Damp-proof membrane.

Standard

BS EN 13967:2012 + A1:2017.

Performance characteristics

-

Tensile strength (minimum)

>130 N/50 mm.

250 µm thickness.

>150 N/50 mm.

300 and 500 µm thickness.

Tear resistance

180-324 N.

Depending on thickness.

Elongation to break

>450%.

Physical properties

-

Colour

Black.

Blue.

Dimensions

-

Thickness (minimum)

250 µm.

300 µm.

500 µm.

Width (minimum)

4 m.

Roll length (minimum)

12.5 m.

25 m.

Recycled content

Fully recycled.

Accessories

None.

Girth Tape.

75 mm width, single sided.

Mastic Tape.

50 mm width, double sided.

Water vapour transmission

253.13–498.6

Sd value m. Depending on thickness.

Water tightness at 2 kPa

Pass.

Environmental information

Recyclability

100%

Literature

96/3267 Capital Valley Plastics Damp-proof Membranes and Radar Membranes

96/3267 Capital Valley Plastics Damp-proof Membranes and Radar Membranes

Third party certifications

BBA Agrément Certificate

BBA Agrément Certificate

96/3267

BBA Agrément Certificate

BBA Agrément Certificate

British Board of Agrément (BBA) - certficate

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