- The zinc of a new zinc roof contains a grease protective layer, which must be cleaned with galvanised cleaner. You need to repeat this process until substrate is water break free. Rinse off well with water and wait for zinc roof to dry. Only after this preparation has been done, the paint work can start.
- Now prime the clean degreased metal with Paint Master Water Based Metal Primer, one coat is sufficient. If you stay at the coast, it is best to apply 2 coats of Metal Primer. The spreading rate is approximately 7 m2 per litre. The Primer will take 24 hours to hard dry.
- Start now with waterproofing: Apply 2-3 coats of Paint Master Umbrella with built in fibre. Wait 3-4 hours between coats. Only use a brush and not a roller. The Primer will take 4 to 6 hours to hard dry.
- Apply 2 coats of Paint Master Roof Master. Wait for each coat to dry properly. Roof Master will touch dry in approximately 1 hour and hard dry in approximately 4 to 6 hours. The spreading rate is between 6 and 8 m2 per litre. You can use a brush or roller to paint the Roof Master.