Monarflex RMB 400 DPM is constructed from three layers low density polyethylene (LDPE) with a polyester reinforcing grid to give high strength and tear resistance. Ideal for sites with low to medium concentrations of radon.

Joint laps:

Minimum sealed laps of 150 mm are recommended.

Can be used with Monobond LT tape.

General information

Specification data - Plastics sheets

Product Reference

Monarflex RMB 400

Roll width

2 m

4 m

Standard product features



Roll length:

25 m.


0.4 mm (400 micrometres/ 1600 gauge).

Tensile strength:

750 N/ 50 mm.

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