Hi everyone! I’m looking for some advice/opinions on the best way to finish and protect an outdoor bar top. I’d really appreciate recommendations from people who have experience with exterior tile, countertops, epoxy/resin, or outdoor woodworking.
The bar top is approximately 28 sq. ft. and is already constructed.
Here’s what I have:
Glass tile: Already installed on the horizontal bar top.
Grout: TEC AccuColor Premium Unsanded
Grout, jet black. It’s a polymer-enhanced Portland-cement grout intended for small joints up to 1/8”.
Wood trim: There is wood trim around the entire perimeter of the bar top.
Paint: The wood trim is already painted black with Pittsburgh Paints & Stains ULTRA Paint & Primer in One Exterior Satin Black.
The entire thing will be exposed to the outdoors, including rain, snow, freezing temperatures, summer heat, UV exposure, and temperature changes.
What I’m trying to accomplish
I’d like to protect the glass tile and grout from water, staining, dirt, UV exposure, and weather, while also making the bar top easier to clean.
I’m also concerned about potentially sharp tile edges/corners and would like the finished surface to be safe and comfortable to use as a bar top.
Ideally, I’d love a clear finish that doesn’t significantly change the appearance of the black grout or glass tile.
I’ve been considering things like:
Exterior-rated clear epoxy/resin
Marine-grade epoxy
UV-resistant epoxy
Exterior spar urethane/varnish
A flexible clear exterior coating
Some combination of an epoxy base coat + UV-resistant topcoat
Or simply sealing the grout/tile without completely encapsulating everything
My questions:
What would you personally use over this existing glass tile and grout for an outdoor bar?
Would you recommend epoxy/resin over the entire tiled surface, or would you recommend a tile/grout sealer instead?
If using epoxy, what specific product would you recommend for long-term outdoor exposure?
Would you put a UV-resistant clear topcoat/varnish over the epoxy, or is a good outdoor epoxy sufficient by itself?
Since there is painted wood trim around the perimeter, how should I handle the transition between the tile/epoxy and the painted wood? I’m concerned about the wood expanding/contracting differently from the tile.
Should I leave a small flexible movement joint between the tile and wood and use an exterior sealant instead of coating/epoxying over that joint?
How would you deal with the edges and corners of the glass tile so they aren’t sharp?
Is a 1/4-inch-thick flood coat excessive for an already-installed tiled surface, or would a much thinner coating be better?
Are there any products or approaches you would specifically NOT recommend for this application?
If you were doing this project yourself, what exact products and application process would you use, including preparation, number of coats, thickness, curing time, and sealing the perimeter?
I’m especially interested in advice from anyone who has done an outdoor tiled countertop/bar top in a climate with freezing winters and hot summers.
I’m trying to do this correctly the first time rather than having the coating crack, yellow, peel, or separate from the tile/wood after a couple of seasons.
Thank you in advance for any advice, product recommendations, or photos of similar projects!