Dryrods deliver the correct dose every time. Traditional rising damp treatment methods utilize cream or liquid injection, which can be prone to operator error leading to under-treatment and DPC failure. Due to their unique patented design, Dryrod Damp-Proofing Rods deliver the correct dose of active ingredient every time. Extensively Tested and Internationally Approved: Laboratory testing has proven that Dryrod Damp-Proofing Rods out-perform competing treatment methods, even in highly-saturated walls and freezing temperatures. They have also been approved by the British Board of Agrement and the German WTA organization. 100% Active Ingredient for Maximum Water Repellency: It is not possible to infuse 100% pure active ingredient into a traditional Damp-Proofing Cream. Thanks to their unique fibre rods, Dryrod Damp-Proofing Rods are saturated with 100% silane/siloxane. Only the pure active ingredient diffuses into the wall, in a controlled dose that ensures consistent application. Cheaper creams may seem more attractive, but they often only contain around 25%-50% active ingredient and cannot outperform Dryrod. Features include: Fast and simple to install, no specialist equipment required, exact dosage, BBA approved. Dryrod Damp-Proofing Rods are patented, 12 mm diameter grooved rods that carry a powerful water-repellent material. The rods are inserted into pre-drilled 12 mm holes along the mortar lines of a building. The water-repellent material diffuses deeply into the damp masonry, curing to form a highly effective barrier to damp, stopping further rising damp.