For exterior foundations and walls use exterior grade block filler such as behr s concrete and masonry bonding primer which also is good for interior concrete 17 98 per gallon.
How to prepare concrete wall for elastomeric paint.
In fact you might think of an elastomeric coating as acrylic paint on steroids.
These would include masonry and concrete surfaces flat or low sloped roofs and even wood or log siding.
If you re filling in a large crack use layers to fill it in letting it dry in between.
Excess residue may interfere with adhesion of the coating.
The type of paint you select for interior concrete walls will depend upon the use of the room as well as its décor.
Originally formulated to protect stucco elastomeric coatings can be used in many places traditionally reserved for exterior paint.
Unlike other types of coatings or paints it can bridge hairline cracks to complete an airtight waterproof seal.
The surface is ready for priming when it feels like medium to light grit sandpaper and no residue or loose concrete remains.
The surfaces that the layers work on are poured concrete masonry stucco floors roofs brick metal and wood with caution.
Watertight this is one of the main advantages to elastomeric coating as it puts a secure coating on the surface so that the moisture is unable to intrude into the walls.
Elastomeric coating is an above grade exterior wall or roof coating that is approximately 10 times thicker than paint.
Masterprotect elastomeric wall coatings enhance the value of structures while providing a pleasing aesthetic appearance.
Thoroughly rinse the concrete surface with clean water using a hose with a high pressure nozzle or a pressure washer.
The thick yet flexible barrier helps waterproof the exterior of structures.
Apply the paint to the concrete block with an airless sprayer and then immediately back roll it working in sections along the length of your wall.
While elastomeric paint does fill in smaller cracks you should fill in most cracks with acrylic or siliconized caulk.
Use patching compound to fill any holes scratches or gouges in the concrete surface.
It forms an incredibly thick yet flexible coating that helps waterproof the exterior of a structure.
Elastomeric coating is approximately 10 times thicker than paint.
Concrete primer called block primer fills pores and evens out the surface.
Paint with a sheen or gloss will be easier to maintain for example.
Use a caulk gun to fill the crack and then smooth it out with a putty knife.
You must choose the appropriate type of concrete paint determine if the wall is sealed from moisture and apply primer prior to painting the wall.
Seal cracks larger than 1 16 inch 0 16 cm with caulk.