Hi!
We had issues with our hoods; the epoxy bench cracked and leaked into the cabinets underneath.
We considered replacing it with stainless steel and decided against it due to corrosion. (We use a lot of acids and solvents)
Trying to fill the cracks did not work either.
In the end, we replaced the hoods.
However, if your work isn't destructive to stainless steel, I know that is what we would have chosen.
Have you reached out to a stone mason to get their take on this?
Good afternoon DCHAS,
I’m wondering if any of you have any experience painting / resealing natural stone work surfaces in chemical fume hoods. A laboratory has three aging hoods that cannot be readily replaced. Considerations have included an epoxy-based sealant
/ paint OR installation of a ~16 gauge stainless steel sheet. Of course these cannot affect designed airflow, sash movement, etc.
We are awaiting confirmation that their scope of work will not increase beyond fine powders (metals, salts, silica), oils (mineral mostly), and cleaning solutions (soap, ethanol/IPA). I have also asked for the specific product(s), manufacturers
literature on intended use and chemical resistance, as well as their contractors experience using such materials on natural stone work surfaces.
Any thoughts, ideas, or experience from the group?
Thank you in advance for your time and consideration.
Best,
-P
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For more information about the DCHAS-L e-mail list, contact the Divisional membership chair at
membership**At_Symbol_Here**dchas.org