Exterior Walls

Pre-painting

For exterior surfaces it is very important to undertake repairs of any wall imperfections before commencing painting. The most common problem with exterior walls specially old constructions is cracks in the wall. Apply SCIB Stucco Scimical Putty in case of Acrylic Smooth Finish (SCIB Super Acrycoat, All in One, Joltex ..). Fill up cracks with SCIB Stucco Scimical reinforced with. All external drainage pipes must be checked for rusting or leakage. Any faulty plumbing must be rectified.

Special attention must be given to the roof. Check for cracks near the edges and close to the water reservoirs. Proper masonry or waterproofing work on the ceiling will enhance the performance of the painted surfaces.

Surface Preparation

• Newly plastered surfaces must be allowed to cure for at least 35 to 45 days before painting.
• To ensure long protection, the surface to be painted should be free from dust, grease and any loose materials.
• Remove any fungus and algae growth thoroughly by brushing it vigorously with wire brush and then curing the alkaline salt with SCIB Etch applying it by with a brush or sponge). Wash the walls with clean water after an interval of 8-10 hours. Allow the surface to dry sufficiently.
• Previously oil painted surfaces, should be sanded thoroughly to remove loose particles and made dull and matt for better adhesion. Exterior rough surfaces, previously coated with cement paint, should be wire brushed and washed with water thoroughly and dried completely. Before painting, ensure that the surface is free from chalking.
• The exterior surface should not be affected by water and constant dampness should be avoided . If you are painting during the rains allow for 2-3 days of total sunshine for the surface to dry out completely and before commencing painting.

Painting

• Apply a liberal coat of SCIB Seal Coat 102 AR Wall Primer using recommended method.
• Apply two coats of top coat paint at recommended dilution. You can use SCIB Super Acrycoat, All in One or Joltex (with Joltex Prinmer)Exterior Emulsion as top coat. In case of Textured Paints, no need to apply putty and use Rustic, Rustic VCR, Gravistone and Finestone after the primer directly on the plaster.
• A gap of 4 to 6 hours must be given between two coats.