APPLICATION For roof tiles
Prior to starting any works on the external area of the roof it is recommended to carry out an inspection of the internal roof void, checking for any damage or tears to the felt/underlayment. Wash the whole roof using a pressure power washer, removing all visible contamination including moss and lichen and allow to dry. Apply ProPERLA cleaner using a low-pressure pump and allow to dry for a minimum of 3 hours. Properla cleaner can be diluted depending on the level of contamination Check for
damaged tiles and replace also check the integrity of the mortar on the ridge tiles and repair as necessary. If mortar repairs are carried out it is important to allow the mortar to fully dry out before applying roof coating. Before commencement of applying the ProPERLA Water Repellent you MUST flush off the ProPERLA Cleaner with fresh water and the allow the surface to dry
Use low-pressure pump or a HVLP sprayer. A minimum temperature of 5 °C is needed. Apply ProPERLA Water Repellent approximately 5-6m2 per litre UN-DILUTED. ProPERLA Water Repellent dries in approximately 1 hour at 20° C and 60% RH. ProPERLA Water Repellent is a one coat application system.