Problem Solver - Fletton Brick
Other Problems
Fletton, also know as common or engineering brick, are very hard and dense and have "kiss marks" where bricks rest against each other in kiln, these can be dense and shiny and cause poor adhesion to some paints
Preparation
Dry brush the surface down using a stiff bristle brush to remove any loose materials
If any mould or mildew is apparent, treat with a suitable fungicidal solution, rinse again with clean water and allow to dry.
Depending on surface substrate check condition and carry out any remedial works required to make sound
Basecoat
Once the surface is clean and all loose material has been removed, treat with a suitable primer and allow to dry.
Topcoat
Apply an appropriate topcoat and allow to dry, followed by a 2nd coat to finish.