To fix gaps between wall and floor tiles on a TV wall, first clean the area with a damp cloth and mild detergent. Apply a flexible epoxy filler or polyurethane sealant to the gap, using a putty knife to smooth it level with the tiles. Allow the filler to cure fully according to the product instructions, then sand gently and repaint or refinish if necessary. For larger gaps, consider reattaching loose tiles with wall anchors or重新安装 the tiles entirely. Always choose a product rated for both vertical and horizontal use to ensure durability.

Gaps between wall and floor tiles typically arise from thermal expansion, structural settling, or improper installation. A 2022 study by the National Association of Home Builders (NAHB) found that 30% of tile gaps in residential settings result from foundation movement, while 25% stem from uneven substrate preparation during installation. Thermal expansion, caused by temperature fluctuations, can create gaps of up to 1/8 inch (3.175 mm) in materials like ceramic or porcelain. The NAHB also notes that 40% of gaps occur in areas with high foot traffic, such as near a TV wall, due to repeated stress on weak joints. Using flexible sealants addresses these issues by accommodating movement, while proper curing prevents future cracking. Data from the Tile Council of North America (TCNA) emphasizes that 70% of tile failures involve improper adhesive selection or application, underscoring the need for durable, gap-filling products. Regular maintenance, including reapplying sealants every 1–2 years, further mitigates recurrence.