Dryzone damp-proofing cream is our most effective treatment for rising damp and has been proven to out-perform competing products. Treating rising damp is job that you only want to have to do once - so it makes sense to choose a product that can be relied on to block rising damp in walls of all types. Dryzone is such a product. Since it's launch in 2000, well over a million tubes of Dryzone have been sold - enough to successfully treat over 3.3 million metres of 4½-inch wall. As well as achieving BBA-approval, Dryzone has been successfully tested on porous and neutral pH mortars such as those found in Victorian buildings. Further independent tests confirm its ability to protect against rising damp in walls of up to 95% saturation (well above the levels typically encountered in walls). In-house testing confirms that Dryzone is effective in treating rising damp in rubble-filled walls.Product Benefits:High level of active ingredient (>60%), Out-performs competing products, Tested on wide range of substrates, Proven to work on highly-saturated walls, Low-hazard, Quick to install, No electric DPC pump required, BBA-approved, WTA-approved for the treatment of rising damp in highly saturated walls (up to 95% saturation). Dryzone can typically be installed over three-times faster than typical "liquid injection" damp-proofing systems. More detailed guidance on the correct diagnosis of rising damp and the installation of Dryzone damp-proofing cream can be found by downloading our guide to "Rising Damp and its Control."