I.Bathroom cabinetCan it be used with joint sealant?
Yes. The primary functions of jointing are: aesthetics, moisture resistance, and mold prevention. In addition to aesthetics, high-quality jointing is essential in bathrooms. The joint between the bathroom vanity and the sink should be completely sealed with jointing to eliminate any gaps.

important considerations for bathroom joint sealing: Maintain a clean, dry, and dust-free environment to ensure proper joint sealing, which will prevent discoloration and detachment of the sealant.
Two. Is it necessary to apply jointing agent behind bathroom cabinets?
Yes. Although bathroom cabinets and toilets conceal the gaps between tiles, these gaps still exist. Over time, due to humidity and moisture, mold can grow on the walls. Therefore, when renovating a bathroom, it is essential to first apply a suitable grout and sealant to the tile joints before installing bathroom cabinets and toilets. The reasons for this are:
First, install the toilet and vanity cabinets. This will take longer than applying the joint compound first.
When applying grout, it is crucial to maintain the dryness of the spaces between tiles. After installing bathroom fixtures, the contractor should test the water supply. Typically, the bottom of the tiles will be damp, and the recommended grout application sequence is to first apply grout in the bathroom, followed by the living room, to achieve the best results. If the homeowner is short on time, installing the fixtures first and then applying grout to the living room and bathroom may result in suboptimal grout application and waste more time.
Second, it can lead to problems such as discoloration and mold growth on tiles.
Those tile gaps obscured by toilets and bathroom vanities will eventually become damp and moldy due to the lack of sealant, allowing moisture from the bathroom to penetrate the gaps, causing the tiles to become damp, discolored, and prone to bacterial growth. More seriously, over time, water can seep through the tiles and into the gaps, eventually penetrating the walls of an adjacent bedroom, causing the bedroom walls to become moldy. This is also why homeowners often say their walls have turned black, and the order of events is very important.