Make sure the skylight domes you wish to coat are not damaged (no holes, cracks, etc.) and have been installed on the roof in line with the relevant instructions of the respective manufacturer.
During application, always wear fall protection equipment, safety glasses, gloves, etc. Please ensure good and constant
ventilation at the workplace during and after application to guarantee even curing.
Old and weathered skylight domes must be cleaned carefully using a mop and water prior to application. New and unweathered skylight domes must be cleaned carefully using a lint-free cloth and KEMPERTEC FALLSTOP Cleaner in order to remove any loose particles and substances from the substrate that may reduce adhesion.Only start coating the skylight dome once the cleaner has fully evaporated (approx. 15 minutes). When coating skylight domes with a frame, please remember to also coat the upper surface of the frame. This means the adhesive masking tape must be fitted below the frame. Only remove the masking tape once the material is sufficiently dry to prevent any "runs" or "drips". The required amount of material must be calculated prior to Calculation table coating the skylight dome. This task involves
measuring the size of the skylight dome.
The correct amount of material when coating a skylight dome is 1.6 kg/m2, which must be applied evenly in four steps of
400 g/m2. Application time per layer/square metre is approx.10 minutes. If necessary, a non-destructive before/after ultrasound measurement can be carried out. Stir the material after opening the container. It is then advisable to weigh the material individually for each step based on the square metre size of the skylight dome (400 g/m2/work step).
The material is either gradually poured onto the skylight dome or applied directly from the container. Distribute the material
using a foam roller in a criss-cross fashion. The material must be applied evenly and free of bubbles horizontally and vertically. Practical tip: When applying the material, the foam roller should work silently, as roller noises are an indication of insufficient material application. The lower frame/edge of the skylight dome is coated using a foam roller or brush. Brush any material that has run down the frame/edge upwards. Avoid material build-up! Note: At the end of each work step, the applied material is gauged at various points using the KEMPERTEC V4A measuring comb (400 g/m2 correspond to 400 μm). The liquid material may "run" and "drip" depending on the shape and positioning of the skylight dome. Therefore, brush
over the wet material several times after a few minutes, always working from bottom to top. This guarantees an even layer
thickness over the entire skylight dome. Depending on the weather conditions, the material is rainproof and can be recoated after approx. 4 hours.
Repeat the coating process three times:
– Pour out a sufficient quantity of material,
– distribute the material in a criss-cross fashion and
– use the KEMPERTEC V4A measuring comb to check the applied material quantity.
The cured layer thickness after the fourth work step must be between 0.7 and 0.9 mm. Repeat three times.Prior to the fourth work step the KEMPEROL FALLSTOP seal, displaying the name, company and date, must be affixed to the skylight dome and coated with KEMPEROL FALLSTOP. This ensures the easy recognition of a skylight dome coated with KEMPEROL FALLSTOP. The material is fully cured and fall-through protected after seven days. If necessary, a non-destructive before/after ultrasound measurement can be carried out to determine the layer thickness of KEMPEROL FALLSTOP once it is fully cured. The ultrasonic thickness gauge is used to measure the correct layer thickness of between 0.7 and 0.9 mm.