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Monarflex Easi-Sump® Radon Sump

Monarflex Easi-Sump® Radon Sump

Third party certifications:
  • QA Certificate

    QA Certificate

    Certificate type


Radon sump.

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Radon sump offering a simple and effective way to remove radon from the foundations of a building. Designed to be set within a gas permeable layer beneath the radon barrier. One sump is sufficient to draw gas from approximately 250 m². Manufactured by a rotational moulding process from medium density polyethylene. It is designed to accept up to four standard 110 mm PVC-U pipes which can be terminated at ground level with a Monarflex Easi-Sump® Cap-Link™ to complete the Easi-Sump® System.

General information

Uniclass 2015

Pr_65_52_25_23 Depressurization sumpsPrimary


D21/370 Plastics depressurization sumps

D21/40 Plastics depressurization sumps

Specification data - Depressurization sumps Enhanced data

Product Reference

Monarflex Easi-Sump® Radon Sump



Monarflex Easi-Sump Caplink ESCL01

Straight link.

Monarflex Easi-Sump Caplink ESCL02

Incorporates a 90° short radius bend.

Standard product features

Size (l x w x h):

460 x 460 x 150 mm.

Wall thickness (mean):

4.9 mm.


1.86 kg.



Third party certifications
  • IAB: Certificate: 01/0130
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