Schluter Kerdi Board Washers (100/box) custom excellent for office and retail

excellent for office and retail environments

Same cable compatibility as all DITRA-HEAT membranes — works with DITRA-HEAT-E-HK cables at 120V or 240V

the core is completely rigid and 100% waterproof

Professional installers do this automatically — now you know the trick too

Schluter Kerdi Board Washers (100/box) custom excellent for office and retailThese are the KERDI BOARD ZT tab washers the unsung hero of a clean KERDI BOARD installation. If you already have screws but need more washers, or if you're replacing damaged fasteners, this 100 pack has you covered. The washers are galvanized steel with small tabs that bite into the surface of KERDI BOARD when pressed in, holding themselves in position while you drive the screw. That small detail saves a lot of frustration, especially working