Concrete Block Stucco Wall System

Color can be added to the mix to enhance the look of the project.

Concrete block stucco wall system.

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. 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. Work from the bottom of the wall up and apply at a thickness of about 3 8 inch over the entire area. The blocks also come in a range of standard shapes.

It can also be used as a decorative finished to existing concrete and masonry walls. Stucco needs to be applied to a sturdy stable surface in order to ensure that it doesn t crack or crumble. Concrete masonry surfaces are both absorbent and textured two things necessary for bond. Generally concrete blocks measure 16 inches long by 8 inches wide by 8.

Some of the basics of stucco is typically this is an eiffs style stucco application. Spray away most debris with water from a garden hose. 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. For one coat stucco systems apply quikrete one coat fiberglass reinforced stucco in a single application at inch thick.

Also try mixing 1 cup 240 ml of a mild dish soap into about 5 us gal 19 000 ml of hot water to scrub off tough stains with a concrete brush. Step 10 screed the stucco to a uniform depth of 3 8 inch using a straight edge. Product overview the quikrete 50 lb. 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.

So that s a synthetic stucco blend and it goes very easily right onto the surface of the actual block. Surface bonding cement is a fiberglass reinforced portland based mix that is used for the construction of dry stack block walls. Clean debris off the wall with water and a sprayer. Remove as much debris as possible from the wall so the concrete bonds cleanly to it.