Sunday, October 13, 2013

Concrete Overlay, Micro- topping, and Acid Staining

This concrete patio was converted to a sunroom with carpet long ago. The new owners decided they wanted the room to have stained concrete. The problems were that the existing concrete was not flat, it had 2" concrete dividers everywhere, and multiple concrete pours.

We decided to grind the concrete to somewhat "flatten" the surface. We then applied a primer to bond the overlay. 

Then the overlay was applied to float a flatter surface over the existing concrete. 


Once the concrete overlay was applied, we decided to then apply a stainable concrete micro topping. 


At this point, the fun finally began! We used the same micro topping materials to creat samples of staining colors and techniques. The owner was present and after a few different samples, we decided on using a scofield copper patina and fern green 50/50 mix, applied twice. 

First application:

Second application:

The resulting color is beautiful, and we can't wait to seal it. We are going to let it sit overnight and clean/seal tomorrow. 

Finished floor with an extra coat of water-based concrete sealer. 











  

Thursday, September 5, 2013

Concrete Resurfacing, and Staining SF Bay Area. Pomeroy, Santa Clara


Original concrete slab from early 1960's. We considered polishing this concrete slab but decided not to be because of the original tiling pattern. Nine times out of ten they will resurface through concrete polishing and even staining. So we ground the concrete to a swirl free finish, applied a few coats of white micro topping, and are now in the process of picking an acid based color through on site samples. Take a look at the timeline.
Before:

After grinding concrete:

After white micro top application:

Sampling of acid stain with different reaction times: (Scofield Antique Amber) 

After Stain Application:

After Neutralizing Stain:

After First Coat of Solvent Based Sealer:



Will post pictures of finished floor soon!

Call Raul (408)593-5253 for more info on polishing, staining, and resurfacing concrete floors in the Sf Bay Area.