Bathtub Refinishing Dallas | 469-338-9620
I also like to get old sinks so I can see firsthand the quality of my product and from time to time I will Upset my wife by stopping at a house that has thrown out an old sink, take it to my house and perform my experiments and torture test on the synthetic porcelain to make sure the quality standard is consistent.
"Honey, This is for work"
- Chemically weld the new surface into the old so it does not pull loose.
- Make sure the shine holds up during daily use.
My Test are actually brutal
I am not that scientific. I use chemicals such as battery acid... I can personally vouch for the test that I do on my own. such as:
- Battery acid - Left on surface for 23 hours... No noticeable change in the surface.
- Powdered RED Kool aid - mixed with enough water to make it a paste. Left on surface for 25 hours. Cleaned off with scrubbing bubbles left a very, very light pink stain. So I put fingernail polish remover on a cloth and gently cleaned the stained area.... Gone!
- Weed eater! (I know, I know) I wanted to see how the areas already subjected to battery acid and Stains would hold up. So I used my weed eater with the regular hard plastic string. I Hit the area for over 30 seconds using the same trigger pull (power) as I used to cut down the thick weeds in the alley against my fence. It left some scuff marks on the surface but that was it! So I repeated the process daily times 7 days with nothing more then scuff marks being the only noticeable damage.
- I then applied 3M masking tape over the refinished area and let it sit in the hot sun all day. This made sure that sticky tape was bonded to the surface extremely well. I had to use a razor blade to work under the edge of the tape so I could get a grasp on it. I Ripped the tape off! Forcefully! In fact it stuck so well the heavy porcelain sink would move with eack tug so I had to hold it firmly in place as I pulled on the tape ..... nothing! This was not painters tape just the old school masking tape that was NOT meant for painted surfaces! However, we must remember .... refinishing is not painting, refinishing is the process of chemically welding the new surface into, not on top of the old surface!
- I then used a straight edged razor blade cutting and sawing back and forth straight down then tilting the blade to see if I could get under the coating and forcefully chopping at the coating. All that resulted in was me causing a couple of chips in the surface. You can see in the pictures below. However, even with the chips I simply could NOT get under the coating!
- Also below you will see that without fixing the chips, I took the sink to a car wash and using the high pressure HOT water with soap. I tried to force the water under the coating try to make it fail. This water pressure as you can see is Much more powerful than any thing your shower would produce. I posted the short video under the pictures.
- Please Know: Porcelain is the absolute hardest surface to refinish. It is equivalent to glass! Very hard, smooth surface unlike plastic, acrylic, Fiberglass and cultured Marble.
- BELOW: The picture slide show is a short video of the Power wash so you can see I placed the wand over the area I sanded thru to try to force Hot soapy high pressure water under the coating. I could not get the new surface to lift. This demonstrates how well the new surface is etched into the old surface. Not painted on top of the old surface.
This video shows (2) areas I power sanded all the way thru. Then using the High Pressure, Hot,Soapy car wash wand held very close to the surface would NOT make the synthetic porcelain surface fail!
2nd Part of adhesion test. After power washing I allowed the sink to sit in the elements Direct hot sun, Heavy rain for (3) days. Then applied 3m masking tape (NOT the easy peel painters tape) and made sure it was stuck to the surface as good as possible then ripped it up to see if any coating came off with it.