NBS Source
Drainage mat DBV12

Application

Install by loose laying onto the root resistant membrane (overlaid with a moisture retention mat) or against the exterior face of foundation walls. The polyester fleece must be uppermost. Butt joint the boards and overlap the 100 mm polyester fleece selvedge. Panels can be cut with a heavy duty knife or a small toothed saw to fit around protrusions. Overlay with appropriate substrate.

Description

Drainage mat DBV12 is a studded lightweight drainage layer, manufactured from thermoformed recycled polyethylene, with a polyester fleece attached to the upper face. The product allows aeration of the substrate and multidirectional drainage on the underside.

Application:

Install by loose laying onto the root resistant membrane (overlaid with a moisture retention mat) or against the exterior face of foundation walls. The polyester fleece must be uppermost. Butt joint the boards and overlap the 100 mm polyester fleece selvedge. Panels can be cut with a heavy duty knife or a small toothed saw to fit around protrusions. Overlay with appropriate substrate.

General information

Uniclass 2015

Pr_25_57_51_74 Rubber studded sheetsPrimary

CAWS

Q37/350 Drainage layer

Specification data - Rubber studded sheets

Product Reference

Drainage mat DBV12

Standard product features

Colour:

  • Drainage layer: Black.
  • Polyester fleece: Brown.

Depth:

12 mm.

Panel size:

20 x 1 m.

Dry weight:

1.5 kg/m².

Water storage capacity:

1 litre/m².

Compressive strength:

> 300 kN/m².

Waterflow rate:

  • At 10% slope: 1.4 litres/second/m².
  • Vertical: 3.8 litres/second/m².

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