wedi Corner Putty Knife – Plastic 90° Seam Tool for wedi Panel Installation

Smooth, clean, and seal like a pro with the wedi Corner Putty Knife—an essential tool for any wedi shower system installation. Specially designed to finish joints where wedi building panels meet at a 90-degree angle, this durable plastic tool helps you shape perfect inside corners and spread wedi Joint Sealant with accuracy and control.

Whether you’re building a waterproof shower, steam room, or wet room, this tool makes it easier to form tight, professional-grade seams that are ready for tile.

Features & Benefits

• Designed for 90° Corners
  Ideal for smoothing seams where wedi panels meet in inside corners—great for shower walls, niches, and benches.

• Tool-Free Finish
  Use it to apply and smooth wedi Joint Sealant without scraping or damaging foam panel surfaces.

• Plastic Construction
  Lightweight, flexible, and easy to clean—perfect for wet area installs.

• Built for wedi Systems
  Engineered specifically to work with wedi wall panels, foam curbs, benches, and building boards.

• Speeds Up Installation
  Helps you lay down consistent, even beads of sealant for faster waterproof prep.

• Reusable Tool
  Rinse clean and use again for your next wedi installation.

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Ideal Uses

• Forming clean seams between wedi panels at 90°

• Smoothing wedi Joint Sealant in inside corners

• Waterproofing niches, benches, and foam curbs

• Prepping wedi shower systems for tile

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Specifications