Rubbed Finish Concrete Walls

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.

Rubbed finish concrete walls.

At this step use water where necessary. Wet rubbing is accomplished on green concrete by a slow speed grinding wheel or disc at the same time applying water. Here a worker is producing a grout cleaned finish free of bugholes by rubbing a. Finishing process is conducted by slow speed grinding disc wheel at the same time applying water.

Wet surface of concrete to prevent absorption of water from grout and apply grout uniformly with brushes. Sacking produced a finish for cast in place concrete surfaces after fins from oils and bond breakers had been removed by filling in pits and air holes by dampening the surface and rub bing mortar all over it. Rubbed finishes free of bugholes consist of either smooth rubbed grout cleaned rubbed or cork floated finishes. The water plus the rubbing action brings up a cement paste which results in a very smooth plaster like surface.

For more than 38 years architects engineers designers and contractors have chosen us more often than any other company in the industry. Prepare surface as described in rubbed finishes above. For walls exposed in the finish work form tie holes shall be patched and finished flush with adjacent surface. 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.

Mix one 1 part portland cement and one half part fine sand with sufficient water to produce a grout with the consistency of thick paint. The procedure used for finishing hardened concrete using wet rubbing includes apply paints on a coating of cement with hand brush. At fitzgerald formliners we know that the finest architectural concrete begins with the best formliner. A popular easy to apply and long lasting finish is called rubbing when you rub out a new concrete wall you are applying a thin coat of portland cement and literally rubbing it with a sponge float to create an attractive and durable finish.

Grind or fill surfaces to produce level and plumb true planes. Then before the mortar dried the sur face would be rubbed with a wad of clean dry burlap to remove surplus mortar and to fill voids.