Mildew and deep discoloration in the grout often signal an absorption issue–meaning that trapped water has damaged the grout and could thus rot the new tile from below. Generally speaking, thin-set adhesive (also known as thin-set mortar) is great for setting tiles in areas subject to moisture, like bathrooms, while mastic adhesive is best for drier spaces, like kitchens. To save even more time, apply your adhesive directly to the back of your new tiles rather than prepping the area with thin-set adhe. · you can lay new ceramic tile right over the old , using the prep techniques we show here. For the sake of speed, use premixed grout from the hardware store. Uprooting your current tile wall or floor and replacing it with brand-new tile is a lot of work or money. Scoop the adhesive of choice from its bucket with a trowel and apply a thin layer to a section of tiles only a few feet wide, for starters. · watch this video to find out how to lay tile can directly on top of an existing tile floor using modified thin-set mortar mix. See full list on bobvila. com Can you tile over tile? This step protects the entire surface from moisture creeping into the seams between each tile and leading to water damage or out-of-sight mildew growth. It avoids the time-consuming, messy tear-out process. Find out whether tiling over existing tile is a good idea plus how to troubleshoot any challenges. · removing old tiles can take longer than expected, but should you tile over tile to skip this part of the job entirely? But before you tile over existing tile , consider this. Can you lay new tile over old ceramic tile? Once all pieces of tile are cut to size, move them out o. · yes , you can tile over tile—most of the time. Once these are in place, you can rotate through spreading adhesive, scoring, and laying tile until you ’ve completely covered the space. No matter what kind of adhesive you ’ve used beneath the new layer of tiles, you ’ll need to apply grout in the grooves between them. Before you begin tiling over tile , conduct a thorough assessment of the base layer to pinpoint any surface irregularities, which can cause foundational problems down the road. Then, lay out your new tiles and cut them to fitaround the walls and fixtures, as necessary. The biggest determiner of whether you can tile over tile is if the homes framework can support the excess weight of the additional tile and if the existing tiles are in good enough condition. Set each tile atop the adhesive you ’ve scored and firmly press it into place. Is tiling over old tile a good idea? Can i install new tile over old tile? Tiling over an uneven surface will give you less-than-stellar results, so level out any globs of dried grout with a sander and secure loose tiles with fresh tile adhesive before beginning the project.