Typically what s done is your block is going to be rasped down and i ve got a piece of sandpaper here which allows me to basically rough up this surface.
Concrete block stucco wall system.
Surface bonding cement is a fiberglass reinforced portland based mix that is used for the construction of dry stack block walls.
Stucco is a durable finishing surface that can beautify any exterior surface.
The blocks also come in a range of standard shapes.
Color can be added to the mix to enhance the look of the project.
Concrete masonry surfaces are both absorbent and textured two things necessary for bond.
Some of the basics of stucco is typically this is an eiffs style stucco application.
Remove as much debris as possible from the wall so the concrete bonds cleanly to it.
Clean debris off the wall with water and a sprayer.
Generally concrete blocks measure 16 inches long by 8 inches wide by 8.
Astm standard c 926 specification for application of portland cement based plaster permits direct application of stucco to solid surfaces like concrete and masonry as long as bond is sufficient.
For one coat stucco systems apply quikrete one coat fiberglass reinforced stucco in a single application at inch thick.
Step 10 screed the stucco to a uniform depth of 3 8 inch using a straight edge.
Concrete blocks can be solid or hollow with two or three cores or voids.
If you apply stucco to a wooden surface you must first install a metal netting to hold the stucco but it can be applied directly onto a concrete surface.
Product overview the quikrete 50 lb.
Work from the bottom of the wall up and apply at a thickness of about 3 8 inch over the entire area.
Stucco needs to be applied to a sturdy stable surface in order to ensure that it doesn t crack or crumble.
The biolime coating system includes a light weight three layer application of pure lime plaster directly over mineral concrete masonry or fired clay surfaces.
Spray away most debris with water from a garden hose.
Traditional stucco is ideal for concrete wall systems the durability and versatility of traditional portland cement stucco provide a great finish for other concrete building systems including concrete panels insulating concrete forms icfs and autoclaved aerated concrete.