KATBAK CERAMIC BACKING BAR 1X1 TILE 1/4 GROOVE

KATBAK® Ceramic Backing Bar – 1" x 1" Tile, 1/4" Groove

Achieve X-Ray Quality Root Pass Welds in a Single Pass

The KATBAK® Ceramic Backing Bar (1x1 Tile, 1/4" Groove) is a premium ceramic weld backing solution engineered to deliver flawless, X-ray quality back beads on root pass welds — from one side of the joint only. Manufactured by Gullco, a trusted name in welding consumables since 1979, this ceramic backing tile is purpose-built for fabricators who demand consistent weld integrity without the added labor of back-gouging or grinding.

Key Features

• 1" x 1" Tile with 1/4" Groove — precise groove profile designed to support and shape the root pass, giving space for slag while producing a clean, uniform root bead
• Single-Side Welding — eliminates the need for rear-side access, ideal for pipe, tube, and vessel welding where back-side positioning isn't possible
• One-Pass Root Weld & Fill — deposit more weld metal per pass, cutting cycle time and boosting shop productivity
• Eliminates Defects & Rework — reduces costly gouging, grinding, and repair work caused by inconsistent root penetration
• Wide, Heat-Receptive Pressure-Sensitive Foil — improved adhesion to the workpiece for secure, stable placement during welding
• Radiused Segments — tiles are radiused to form a strip around cylindrical joints for better, more consistent contact with pipe and tube surfaces
• Moisture-Proof Packaging — individually sealed in plastic to protect against humidity and contamination before use
• Non-Toxic Ceramic Composition — safe for shop use and compliant with standard welding safety practices

Compatible Welding Processes

Suited for MIG welding with solid and metal-cored wires, as well as TIG welding applications. Particularly effective for MAG welding with cored wire, where the 1/4" groove profile provides ample room for slag while preserving a clean root bead.

Common Applications

• Pipe and tube welding (single-bevel, single-V butt joints)
• Fabrication projects requiring rear-side weld support
• Root pass welding where back-gouging isn't practical
• Shops looking to reduce rework and improve first-pass weld quality

Specifications