OBIC Multi-layer system installation

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Toolboxes > Manhole > Relining > Polyurea Relining

Published: Tue, Sep 20, 2022

Contributor: Jordon Bergen | Articles


Tags: BC, H2S, Lower Mainland, Manhole Rehabilitation, OBIC, Polyurea Coating, Vancouver

The services team recently installed the Obic multilayer system in an over build manhole located on a trunk main project in the Lower Mainland.

The heavy flows and concentrations of acidic H2S gasses that can be found within these large systems are notorious for eating away and rotting out concrete structures, severely impacting their effective service life.

The Obic multilayer system will offer top to bottom, monolithic protection to this acid attack while offering high flexibility and elongation properties to handle the settlement, frost heaving and traffic impacts that can cause concrete alone to fail with time.

While added structure wasn't necessarily required in this application, the Multi-layer system consists of a polyurea-foam-polyurea sandwich, allowing it to offer structural properties in a situation where the surrounding structure has already began deteriorating.

Head Office/Products
11571-149 Street
Edmonton, AB
T5M 1W9
780-454-2006

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Municipal Services Division
Unit 10, 32929 Mission Way
Mission, BC
V2V 6E4
604-424-9999



Head Office/Products
11571-149 Street
Edmonton, AB
T5M 1W9
780-454-2006

Municipal Services Division
22420 Dewdney Trunk Road, Suite 300
Maple Ridge, BC
V2X 3J5
604-424-9999

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