Stacked patterns align tiles directly above each other in a grid formation, creating continuous vertical and horizontal lines. Brick-laid (or running bond) patterns offset each row by half a tile width, similar to traditional masonry work. Stacked arrangements tend to feel more modern and structured, while brick-laid patterns offer classic visual movement.

Yes, 2x4 porcelain subway tile works excellently for shower walls when properly installed with appropriate waterproofing membranes. The smaller tile format means more grout lines, which actually improves slip resistance on shower floors if you choose textured tiles rated for floor use. Always verify your specific product's wall or wall-and-floor rating before installation.

Pricing varies by material quality, finish, and color, but 2x4 tiles typically cost slightly more per square foot than larger 3x6 or 3x12 formats due to manufacturing complexity. However, the increased material cost often balances against reduced waste since smaller tiles fit more efficiently in tight spaces and around fixtures.

Most installations use 1/8-inch grout joints for the cleanest appearance, though some designers prefer 3/16-inch spacing to emphasize the grid pattern. Narrower joints create a nearly seamless look, while wider joints highlight the tile's geometry. Your choice should balance aesthetic preference with practical tile installation considerations.

Not necessarily. Horizontal stacking can actually widen narrow spaces visually, while vertical stacking draws eyes upward to increase perceived height. The key lies in selecting appropriate colors—lighter tones expand spaces regardless of pattern, while darker hues create cozier, more intimate feelings in any layout configuration.