Provides a uniform texture and architectural finish.
Architectural rubbed concrete finish.
The end result is a panel with coarse aggregate exposed to the degree called for by the design.
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.
After the panel is removed from the form the retarder is removed by sandblasting.
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.
A popular easy to apply and long lasting finish is called rubbing.
Available in gray or white.
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.
Concrete finish covers color and texture variations in poured concrete with a uniform finish eliminating the need for costly rubbing.
Precast architectural concrete section 03 45 00.
I recommend the following when placing architectural concrete.
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.
The most basic type of concrete finish is a smooth surface created through the use of screeds and trowels.
Architectural concrete finishes can cost up to three times more than a class c finish.
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.
When the bids hit they always accept the class c but hold the concrete contractor to the class a guidelines.
1 8 to 3 8 portland cement based.
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.
It s like paying for a hamburger and wanting the cheese for free.
Immediately after concrete has been placed in forms concrete finishers utilize a screed to level out the concrete surface.
Part 3 execution 3 01 repair of surface defects.