Schluter Systems KERDI-BOARD Screws and Washer Set, Fastens KERDI-BOARD to Wood Stud Framing - Includes 40 Coarse Thread Screws and 40 Galvanized Steel Washers (KBZS35GT32Z)

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Schluter-KERDI-BOARD-ZT are galvanized steel washers used to fasten KERDI-BOARD to metal or wood stud framing. They feature tabs that penetrate the surface of the KERDI-BOARD and temporarily hold the washers in place to enable quick installation of the corresponding screws. The KBZS35GT32Z kit includes 40 coarse-thread 1 5/8″ screws and 40 tabbed 1 1/4″ washers for secure installation in residential or commercial bathrooms, showers, tub surrounds, steam showers, kitchens, and other indoor or outdoor tile backer board projects.

Price:
Regular price$33.22 CAD Sale price $29.90 CAD

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Product Source, Seller and Warranty Information:

Authentic Schluter product originally sourced directly from Schluter or through Schluter-authorized distribution channels.
Sold by Global Trade & Distribution Inc. (GTDSupply.com), an independent reseller not affiliated with, sponsored by, approved by, or endorsed by Schluter.
Manufacturer's warranty is administered by Schluter with eligibility governed by Schluter’s written terms.

View Schluter warranty terms

07 Aug. Estimated arrival
04 Aug. Order placed
05-06 Aug. Order dispatches
07 Aug. Delivered!

Description

Product Features:

  • Precision-Engineered Coarse-Thread Screws: 1 5/8″ length provides deep embedment for a secure hold when fastening KERDI-BOARD panels to wood or metal stud framing.
  • Grip Tab Washer Hold: Galvanized steel washers with tabs that grip the board surface, holding panels temporarily in place during installation for easier alignment.
  • Optimized Spacing: Vertical studs at 12″ on-center; horizontal studs at 12″–16″ on-center per Schluter recommendations for consistent panel support.
  • Complete Hardware Kit: 40 screws and 40 washers per box, ideal for a variety of square-foot backer board assemblies in residential or commercial projects.
  • Versatile Compatibility: Suitable for wood studs, metal studs, tile backing, moisture-resistant walls, wall panels, cement boards, and waterproofing boards for renovation work.
  • Wet Area Protection: Corrosion-resistant galvanized finish for wet environments like bathrooms, showers, tubs, kitchens, laundry rooms, spas, and steam showers with lasting durability.
  • Professional Compatibility: Ideal For tile installers, general contractors, carpenters, remodelers, DIY homeowners—installing KERDI-BOARD, tile backer board, foam board, cement board, drywall, shower niches, shower pans, wall panels, backer blocks, and waterproof panels.
  • Broad KERDI-BOARD Component Fit: Designed for use with KERDI-BOARD-V, KERDI-BOARD-E, KERDI-BOARD-U, and KERDI-BOARD-SN shower niche panels and assemblies.
  • Indoor and Outdoor Project Use: Suitable for indoor and outdoor installation projects, supporting dependable fastening across residential and commercial work.

Product Description:

Upgrade your bathroom, shower, tiling, and backer board installations with the Schluter Systems KBZS35GT32Z KERDI-BOARD Screw & Washer Set. This premium hardware kit includes 40 coarse‑thread 1 5/8″ screws (ZS) and 40 galvanized steel 1 1/4″ tabbed washers (ZT), engineered specifically for securely fastening KERDI-BOARD panels to wood studs, metal studs, and other stud framing. Ideal for residential and commercial use, this kit is trusted by tile installers, contractors, and DIY homeowners for code-compliant, waterproof assembly in bathroom walls, shower surrounds, tub surrounds, tile substrate, foam backer board, cement board, drywall, and other interior wall applications. Crafted to OEM quality, the KBZS35GT32Z set meets professional standards for strength, durability, and ease of installation.

Tabs on the washers grip the KERDI-BOARD surface to hold panels in place during installation, eliminating additional adhesive, mortar, or loose fasteners, and saving time on install jobs. According to Schluter, the required vertical spacing is 12″ on‑center and horizontal spacing is 12″ or 16″ on‑center based on stud plan—ensuring code‑compliant structural support.

Technical specs: 40‑pc box with coarse‑thread, corrosion‑resistant screws and galvanized washers, UPC 4011832132919, 10‑year parts warranty, weight ~0.84 lb, perfect for KERDI‑BOARD‑V, BOARD‑E, BOARD‑U, or BOARD‑SN shower niche panels. Schluter’s hardware is renowned for leak‑resistant performance on moisture‑prone surfaces, preventing mold, mildew, and ensuring integrity of the waterproof shower enclosure. Ideal for steam showers, tub surrounds, or laundry rooms.

This kit delivers OEM‑grade fasteners, combining durable, galvanized steel material for corrosion‑protection and long-lasting shower with leak prevention. Each screw is coarse-threaded to avoid stripping and ensure snug, structural holds. The washer tab design simplifies panel alignment, so install proceeds quickly without shifting boards—ideal for contractors stocking job materials or homeowners tackling bathroom remodels, kitchen reno, or shower improvement.

Technical Specs:

  • Model: KBZS35GT32Z
  • Quantity: 40 screws + 40 washers per box
  • Screw Length: 1 5/8″ coarse-thread
  • Washer Diameter: 1 1/4″ galvanized steel with tabs
  • UPC: 4011832132919 
  • Application: Kerdi‑Board panel to stud framing
  • Minimum Spacing: 12″ vertical; 12″–16″ horizontal
  • Use: Indoor/outdoor use, suitable for residential and commercial projects.

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Trademark & Independent Reseller Notice

Schluter, KERDI, DITRA, and related names and marks are used solely to identify products and components offered for sale. Global Trade & Distribution Inc. (GTDSupply.com) is an independent reseller not affiliated with, sponsored by, approved by, or endorsed by Schluter. All third-party trademarks are the property of their respective owners.

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