MC Building Chemicals
A 1980s concrete structure within Severn Trent’s network was suffering some degradation above the waterline due to H₂S gas attack resulting in some degradation to the host concrete.
The repair solution involved ultra high pressure water jetting to all surfaces followed by grit blasting the host concrete back to a sound alkaline substrate.
Following the above preparation the loss of section was replaced with Nafufill KM 250 high strength structurally certified repair mortar bringing the tank back to original specification prior to the application of our seamless Ombran CPS lining system that is resistant to the full PH range 0 – 14.
30
MAY
Hâ‚‚S gas is extremely acidic and will quickly degrade all alkaline based substrates such as concrete, precast concrete and pointing mortar in brickwork. M C Building Chemicals are a world renowned manufacturer of specialist Hâ‚‚S resistant coatings that are hybrid silicate based offering complete protection from Hâ‚‚S gas degradation. Ombran CPS (corrosion protection system)…
15
MAY
H2S is a gas that seriously degrades all concrete and pointing mortar in brickwork. H2S is an acidic gas that is often formed in the sewage network and other process systems. The chemical attack is referred to as biogenous sulphuric acid corrosion with the live bacteria excreting sulphuric acid in the gas zone above the water line of the…
15
MAY
STRUCTURAL CRACK REPAIRS IN CONCRETE Regardless of the care taken in placement concrete can often crack. The reasons can be attributed to poor reinforcement design, premature loading or simple shrinkage cracking that has occurred during the concrete curing phase. MC Building Chemicals are world leading experts in structural crack repair and have solutions for both dry and water-bearing cracks. …