· by Michael Blair, Nashville's Countertops
Every countertop meets a wall, and something has to cover the joint and protect the wall behind the sink and the range. There are three common answers: a short splash cut from the same stone, a slab that runs all the way up to the wall cabinets, or tile set on or above the top. They look very different, but the bigger differences are practical ones that show up in the slab count, the electrical boxes and the condition of the wall itself. All of it needs deciding before the fabricator templates, because it changes what gets cut.
The short stone splash
The traditional answer is a strip of the countertop material, usually around four inches tall, standing on the back edge of the top. It is often cut from the offcuts of the same slab, so it adds shop time and a little material rather than a whole extra piece. It covers the gap where the top meets a wall that is never quite straight, and it keeps water from the sink off the drywall.
The drawback is visual. The splash draws a horizontal line across the wall, with painted drywall or tile above it, and in a kitchen with a plain quartz that line can look dated. It also leaves a ledge along the top edge where grease and dust settle. In an older house with plaster walls that bow in and out, the gap behind a rigid splash can open to more than caulk should fill, and the wall may need skimming first.
A full-height slab
Running the stone from the countertop to the underside of the wall cabinets, or to the hood or ceiling on the range wall, gives one continuous surface with no grout at all. It is the easiest backsplash to wipe down and the one that shows off a heavily veined slab. It also takes a lot of stone. A kitchen that fit on one slab for the tops may need a second slab for the walls, and whether the veining lines up from counter to wall depends on how the pieces are laid out on the slab.
Every receptacle along the counter has to pass through that stone. The boxes usually need extension rings so the outlets sit flush with the new face, and that is an electrician’s visit before the fabricator arrives. The walls need to be finished and flat. Some homeowners move the counter receptacles to listed plug strips under the wall cabinets so the stone runs uninterrupted, which is a choice to make with the electrician, because counter outlets have spacing requirements under the electrical code.
Tile on or above the counter
Tile gives the most choice in color, pattern and cost, and it goes in after the tops are installed and sealed. It can start directly on the countertop or sit above a short stone splash. Where tile meets stone, the joint gets a flexible, color-matched sealant rather than grout, because the countertop and the wall move independently and grout in that corner cracks within a season.
Grout is the maintenance item. Behind a sink and a range it stains, and it should be sealed and resealed on the grout manufacturer’s schedule. A large-format tile with fewer joints, or an epoxy grout, cuts that down.
- Splash or no splash, and how tall
- Where every outlet and switch sits on the backsplash wall
- What happens behind the range and under the hood
- Whether the stone returns into a window sill
- Side splashes where a run of counter meets a side wall
Behind the range and around the window
The range wall takes heat, grease and the occasional splatter from a pot handle. Stone handles it well, but quartz is made with resin, and resin can discolor or scorch under direct, sustained high heat. Behind a professional-style gas range, read the range manufacturer’s clearance guidance and the quartz maker’s heat warnings before running quartz right up behind the burners.
Window sills are the other detail. A sill in the same stone as the counter looks deliberate and survives wet sponges and potted herbs better than painted wood. It has to be measured at the template visit along with everything else, and a window that sits low enough to meet the backsplash changes where the splash stops.