Commercial Waterproofing

Project: Maroush Warehouse London


Maclennan were contacted by Toureen Mangan to provide costs for a suitable Commercial Waterproofing system to the Maroush Warehouse building.

The building is a massive commercial property built into the ground in Central London. Maclennan proposed designs and cost for a full cavity drain waterproofing system.

The design was carried out under cover of the Maclennan PI insurance.

Maclennan then secured the works via a competitive tender against a number of other contractors.

  • Commercial Basement New Build Cavity Drain System
  • Cavity Drain Maroush New Build Commercial Basement
  • New Build Commercial Basement Cavity Drain Membrane System
  • Commercial Basement New Build Cavity Drain System
  • Cavity Drain Maroush Membrane New Build Commercial Basement

Commercial Waterproofing


The MacLennan 08 Cavity Drain system was applied to all internal walls along with Basedrain channels which were fitted to every wall / floor junctions, ensuring that the entire perimeter of the new build basement would prevent ANY water ingress.

The Maclennan 08 Cavity Drain System can be installed quickly, is repaired and maintained by Maclennan operatives with minimal down time as no drying time is required with the cavity drain 08 membrane system.

Maclennan won the work because of competitive costs and the added value of design PI and comprehensive insurance and undertook the full installation for Toureen Mangan.


The work was carried out to a very tight programme involving multiple trades keeping to very strict deadlines. The Maclennan management team ensured that the project was resourced correctly and every aspect of waterproofing was carried out in time and on budget.



Base of Blockwork Retaining wall Deck Waterproofing Sump pit

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