A suite of products from the Dryzone range of products developed by Safeguard Europe swiftly eradicated damp from a late 1950s house in the Allestree district of Derby.

According to contractor Paul Walker, of CK Walker Damp & Timbers, the main issue was that the existing damp proof course (DPC) had been bridged when a drive was installed.

“We recommended lowering the external ground levels so that the DPC level was more than 150mm above ground level, but this wasn’t wholly practicable, so we applied Dryzone Cream, which forms a chemical DPC,” said Paul.

Dryzone Cream is a BBA-approved and patented silane/siloxane material that forms a DPC in brick, coursed stone, rubble infill and cavity walls. Unlike other chemical DPCs, it is not injected under pressure, so not only is it up to three times faster to install than alternative chemical injection systems, but also presents less risk of waste or spillage.