Can You Put Tile Border on Top of a Corian Backsplash?

Substrates

• A substrate is the material that is directly beneath the finished surface. For tile installations, the substrate needs to be level, nonporous and sturdy enough to support the weight of the tile. The substrate also needs to be strong enough that it doesn't flex under weight. The primary cause of broken tile is substrate that flexes when the tile does not. This flex separates the tile from the substrate, leading to cracks and damage.

Water-resistant

• Corian is a water-resistant surface, which makes it a good choice for moist areas -- just like it makes tile a good choice. These two materials can be combined to create details and different textures that elevate both products. Often, Corian can have a clinical appearance. By adding tile trim or borders, the natural variations in the tile soften and warm the look of Corian.

Preparation

• When installing tile over a fairly smooth surface, it is usually a good idea to lightly sand the area to create a tooth where the tile would be installed. This tooth is just enough scratching to give the adhesive something to attach to. If you want to add a border of tile along the top of the Corian backsplash, create a support board underneath the row of tile for it to rest on during the mortaring process. This helps make your border straight and prevents the tiles from slipping on the semi-smooth surface.

Mortaring

• Use a sanded mortar to attach the tile to the Corian. Mortar with sand mixed in is physically stronger and it will adhere better to the two materials. Apply the mortar to the Corian and back butter the decorative tiles so that the mortar attaches to mortar. Many decorative tiles absorb water quickly, so adding mortar to the back makes for a stronger set. Press the tile firmly, removing any excess mortar.