BIHUI Corner Sealant Knife

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BIHUI Corner Sealant Knife — Crisp Inside Corners, Every Time Inside corners are where silicone joints go wrong — a flat tool can't follow the angle, and you end up with a smeared, uneven mess. The BIHUI corner sealant knife is shaped specifically for the job. Its corner-specific profile smooths sealant in inside corners and tight transitions, gliding through fresh silicone to leave a uniform, professional joint with crisp lines. It's built for wall-to-wall corners, floor-to-wall transitions, and the tight spots a finger or flat tool can't handle cleanly. Pair it with the silicone applicator kit and caulking gun for clean joints throughout. Why Tile Pros Choose It Built for corners: Corner-specific profile follows inside angles Crisp lines: Leaves uniform, professional joints Glides clean: Smooths through fresh silicone with control Tight transitions: Wall-to-wall and floor-to-wall corners Sealant-kit ready: Works with the applicator kit and caulking gun Pro tip: Lay the bead, then pull the knife through the corner in one smooth, continuous stroke — stopping leaves a witness line. Keep the tool wiped clean between pulls so it glides instead of dragging. Show more