Encapsulation

Asbestos

Standard MCU-Coatings three-coat system: Dilute MCU-Miomastic sealer coat with 25% thinners (a 4:1 solution) and apply at 75µm DFT, MCU-Miomastic midcoat at 75µm DFT, and MCU-Topcoat at 75µm DFT.

Asbestos encapsulation can save money and is often considered to be the preferred option as MCU-Coatings are able to deeply penetrate asbestos products, absorb the friable particles and effectively seal the surface. The process usually involves applying water, brushing the surface to remove the dirt, then applying enough MCU-Miomastic to penetrate deep into the porous asbestos to encapsulate the fibres in a polyurea coating, thereby preventing the fibres from ever becoming friable. A layer of MCU-Miotopcoat is then applied for good measure to protect the surface from the effect of the weather.  This coating has the ability to flex with the expansion and contraction of the roof without cracking or peeling.

Red Lead

Our MCU-Coatings uses a two-coat system: MCU-Zinc at 170µm DFT and MCU-Miotopcoat at 90µm DFT.

Lead encapsulation is a safer option and is often preferred for purely financial reasons, particularly when looking at large structures such as bridges that also have accessibility and environmental issues.  MCU-Coatings are particularly good at encapsulation because they are flexible and do not embrittle over time.  They also have really good adhesion and can be applied on St 2 and St 3 surfaces with only a UHP surface preparation.

This method of encapsulation is particularly effective because of the excellent overcoating adhesion and anticipated long-term encapsulation benefits.

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