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Thermal Shims


ACS Thermal Shims design reduces heat loss through cold bridging. This helps to improve the energy efficiency of the building.

People predominantly use our Thermo 3 shims for Masonry Support systems, but ACS has also developed a smaller shim to use with our 3000 range Frame Cramp. This adds all the energy efficiency benefits to our already market-leading Frame Cramp.

The shims are manufactured from 3mm thick fibre-reinforced composite and not only do these aid the efficiency having a thermal conductivity of less than 0.3W/m.K but act as an isolator to eliminate bi-metallic corrosion.



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