In most cases the primer and paint should be applied to concrete block with an airless sprayer and back rolled.
Primer for concrete block walls.
Choose a primer that s approved for indoor concrete or masonry use.
Prime the cinder block.
A plain gray cinder block wall can be a wide expanse of bland.
It can take your concrete walls from gray to grand with a quick drying coat.
A 3 4 gallon per minute sprayer and a 517 spray tip is the minimum required.
Adding a smooth coat of seal krete damplock masonry and waterproofing paint can raise the visual appeal of the uninspired space.
This is a two person operation.
Block filler primer case of 2 is a high build acrylic primer designed for interior and exterior residential commercial and industrial use.
Block fill primer is thick and will require a powerful airless sprayer.
Allow the primer to cure completely before painting.
This versatile tintable interior exterior latex primer adheres as strongly to drywall as it does to wood concrete masonry metal and glossy surfaces like tile so it can be used to prime walls.
With twice the thickness of other primers it fills pinholes and seal voids in surfaces providing a smoother and more uniform topcoat.