Belzona Seals and Protects Corrugated Metal Roof Of a Waste Digester Chamber

KHIA ID: 9532
Industry: Not Specified (NS)
Application: TCC-Tanks and Chemical Containment Areas (TCC)
Substrate: Carbon steel
Customer Location: Mesaeed, Qater
Application Date: July 2024
Products: Belzona 1161 (Super UW-Metal),Belzona 5831 (ST-Barrier)

Problem: The corrugated roof suffered from multiple through holes created by severe corrosion. The content of the digester tank was methane gas, and mechanical surface preparation was undesirable due to the flammability of the content.

Situation before application

The holes were sealed by using Belzona 1161 supported with metal wire mesh

A replicated steel plate was fabricated and bonded over the entire affected area.

Application completed after top coated with Belzona 5831 in two coat system.

Application Situation
The existing corrugated roof had corrosion damaged under the insulation due to water ingress and it was not inspected for many years.
Application Method
The application was carried out in accordance with Belzona Know-How system leaflet TCC-5.
Belzona Facts
Belzona 1161 is a surface-tolerant rebuilding grade that can bond to a wet surfaces with a minimum level of surface preparation available.
Belzona 5831 is a surface-tolerant barrier coating for protecting metallic and non metallic surfaces with minimum level of surface preparation.