Rain or Shine Prepa-white

Extra Hiding Water-based Primer

 

Rain or Shine PREPA-WHITE is an all-purpose high opacity water-based undercoat for interior and exterior applications. It is an Elastomeric Waterproofing Primer uniquely formulated to have outstanding hiding ability and excellent waterproofing capability, compared to ordinary latex paint.

 

Material Description:

Use:

Primer for concrete substrate

Appearance:

Flat

Coverage:

20-25 square meters per 4 Litres per coat, depending on the porosity of the surface

Application Method:

Brush or roller

Reduction:

Use as packaged

 

Application:

For New Concrete:

New concrete should be given enough curing time ranging from one week to one month to reduce water and alkali to a safe level. Excess alkalinity should be neutralized with concrete neutralizer. Allow the surface to dry thoroughly. Dust-off crystalline deposits if there are any.

Apply one coat of Rain or Shine PREPA-WHITE ROS-7000.

Repair all minor surface imperfections with ROS-3000 Rain or Shine Mastic Putty. Let dry and then sand. Drying time for Rain or Shine Mastic Putty ROS-3000depends on the wet film thickness of applied putty.

Apply 2-3 coats of any Rain or Shine topcoat.

Renovation / Repainting:

Remove any flaking or peeling-off paint. Clean and sand old paint in good condition and dust-off before repainting.

Apply one coat of Rain or Shine PREPA-WHITE ROS-7000.

Repair all minor surface imperfections with ROS-3000 Rain or Shine Mastic Putty. Let dry and then sand. Drying time for Rain or Shine Mastic Putty ROS-3000 depends on the wet film thickness of applied putty. Let dry and then sand.

Apply 2-3 coats of any Rain or Shine topcoat. Allow 2-4 hours in between coats. Increasing the number of coats will effectively improve the waterproofing capability and durability.