Name: DELTA®-MS
Brand: DELTA®

Features

Very durable
Resistant to chemicals, microbes and rot, with a service life in the ground of at least 25 years. Safe for drinking water.
Even load spread
About 1,800 dimples per m² spread the pressure and keep point loads on perimeter insulation low.
Easy to lay
A flat edge on one side makes overlaps simple, and the diagonal dimple pattern lets the sheet fold in a straight line and sit flat on the ground.
Replaces a lean-concrete blinding layer
Needs about 5 cm less excavation, and the slab can be poured straight after laying. It also stops cement paste draining away and protects the slab from rising damp.
Controlled drainage
Forms an efficient seepage layer in shoring and tunnel works, draining water away without pressure build-up during and after construction.

Where to Use

Use it as backfill protection over perimeter insulation down to 10 m depth and over base plaster, as a blinding layer under concrete slabs, and as a seepage layer in shoring and tunnel construction.

Product Data

Material: Special high-density PE dimpled sheet, plasticiser-free and fully recyclable
Colour: Brown
Dimple height: approx. 8 mm
Compressive strength: approx. 250 kN/m²
Air gap volume: approx. 5.3 l/m²
Service temperature: -30 °C to +80 °C
In-plane water flow (vertical use): approx. 2.25 × 10⁻³ m²/s (2.25 l/s·m)
Roll sizes: 20 m × 1.0 / 1.5 / 2.0 / 2.4 / 3.0 m; 20 m × 1.0 m without smooth overlap edge