Architectural Rubbed Concrete Finish

1 8 to 3 8 portland cement based.

Architectural rubbed concrete finish.

Provides a uniform texture and architectural finish. After the panel is removed from the form the retarder is removed by sandblasting. Architectural concrete finishes can cost up to three times more than a class c finish. Definition this finish is achieved by casting against a form surface that has been painted with retarder which retards the set of the concrete at its surface.

Immediately after concrete has been placed in forms concrete finishers utilize a screed to level out the concrete surface. The end result is a panel with coarse aggregate exposed to the degree called for by the design. Precast architectural concrete section 03 45 00. A popular easy to apply and long lasting finish is called rubbing.

I recommend the following when placing architectural concrete. Where concrete surfaces will receive architectural finishes such as resilient floor coverings or paint or membrane waterproofing membrane forming curing compound shall not leave a coating or residue that will impair bond of adhesives paints and coatings with concrete. The exterior skin designed as a rainscreen facade consists of 25 000 square feet of architectural precast tracery and ornamental panels gracefully integrated with brick masonry. Cleveland concrete contractor ron simonetti says a smooth rubbed finish done with an abrasive stone should look the same as a grout cleaned sacked finish.

Available in gray or white. When the bids hit they always accept the class c but hold the concrete contractor to the class a guidelines. After you have formed and poured your new concrete walls you will need to apply a finish to the surface to help seal it and to make it more visually appealing. Rub out new concrete walls for added protection.

Concrete finish covers color and texture variations in poured concrete with a uniform finish eliminating the need for costly rubbing. However stone rubbing has to be done soon after the forms are removed within a day or two at the latest while enough moisture is still in the concrete to create a paste that will fill the bug holes. The most basic type of concrete finish is a smooth surface created through the use of screeds and trowels. Essentially the requirements for the.