BELZONA IMPROVES PROTECTION AT BASE OF CHIMNEYS

KHIA ID: 2946
Industry: Power (POWR)
Application: ENC-Engines and Casings (ENC)
Substrate: Steel and concrete
Customer Location: Municipality, Sweden
Application Date: September 2011
Products:

Belzona® 3211 (Lagseal)

Belzona® 5811 (Immersion Grade)


Problem: The chimneys are made of steel and are resting on a concrete base. Moisture between the chimney and the supporting concrete resulted in corrosion taking place on the chimney as well as a high risk for frost heave in the concrete.
Photograph Descriptions
  1. Chimney Base for the furnace before the repair
  2. Application of Belzona® 3211
  3. Reinforcement sheet incorporated into the Belzona® 3211 coating bridging the steel/concrete junction
  4. The finished application with Belzona® 5811 providing corrosion protection on the steel chimney
Application Situation
Three Chimneys for furnaces.
Application Method
Application was carried out in accordance with Belzona Know-How System Leaflets GSS-3 and TCC-5. After grit blasting the repair area, the steel was protected with Belzona® 5811 and the Belzona® 3211 reinforced system was applied across the junction between steel and concrete.
Belzona Facts
Belzona micro-porous Membrane systems are extenmsively used to provide weather-proofing of tank bases so as to prevent under-tank corrosion, the same arrangement and problems as found on these chimneys. The system prevents water entering whilst allowing any existing moisture to dry out.