Should I Caulk Between Floor And Walls

Never fill this gap with grout because tile grout is not flexible.

Should i caulk between floor and walls.

Instead fill it with an elastic material capable of sustaining the movement of the floor and the movement of the wall. Grout is not flexible so it s not the best material for the job while caulk allows for movement and also provides a better sealant. Caulk provides a waterproof seal where tile abuts other materials such as bathtubs sinks or walls. It s most often used to caulk countertops and backsplash since it creates a clean finish.

If the basement floor has cracks these will also leak water when hydrostatic pressure increases. Air seepage is hard to prevent especially on the old floor. If mold gets into that space it can cause damage to your subfloor. Since you are joining two different materials together you should use caulk in the space where the floor tile and tub meet.

Caulking is the best choice for this application. The grout joints are designed to prevent water from penetrating the wall but any small amount that does penetrate is able to evaporate out and or weep out along the bottom. Since sanded caulk can crack tile and other materials when it expands in too small of a space unsanded caulk should be used to fill tight joints that are smaller than 1 8 inch wide. The tile council of north america recommends at least a quarter inch gap between the tile floor and the walls.

A carefully run line of caulk known as a. Caulking is an easy remedy to fix the gap between the wall and the subfloor. Caulk should be used between the tile planes or anywhere there might be movement between the tiles and the adjoining shower surfaces. Caulk should appear seamless while keeping your walls windows floors and ceilings adjacent to showers tubs and toilets safe from the excess moisture that is typical in a bathroom.

Caulk seals seams between tile and fixtures or walls. Unsanded caulk has a smooth appearance and texture. Caulking this connection is fine if the wall is some sort of one piece sheet or enclosure but with tile it should not be there. But on that subject the tile council of north america tcna offers the following recommendation.

Technically anywhere there is a change in substrate or backing surface such as the joint between walks and floor and wall joint caulk should be used in place of grout since these surfaces move independently of each other but the tcna then goes on to list five reasons that installers use grout instead of caulk.