Warner ProGrip Joint Knife, 4" (90124)

JOINT KNIFE · 4" · PRO-GRIP

The Warner ProGrip 4-inch joint knife (item 90124) is a flat, wide blade for spreading and smoothing wood filler, putty and patching compound. On flooring jobs it is used to trowel filler into gaps and nail holes and to scrape small areas. The 4-inch width suits nail holes, seams and small patches.

• Warner item: 90124
• Blade width: 4"
• Handle: ProGrip

Warner 4" joint knives: common questions

Where can I buy Warner 4" joint knives near Atlanta or Nashville?

NDM Floors Distributor carries Warner 4" joint knives at our three stores: Stockbridge, GA (south metro Atlanta, 470-507-0711), Marietta, GA (north metro Atlanta, 770-627-4313) and Brentwood, TN (Nashville area, 629-216-1555). Stock varies by store, so call ahead to confirm availability and get a quote.

What is a joint knife used for in flooring?

A Warner ProGrip 4-inch joint knife is used to spread and smooth wood filler, putty and patching compound over gaps, seams and nail holes, and to scrape small areas.

Should I choose a 4-inch or 6-inch joint knife?

A 4-inch Warner joint knife is easier to control on nail holes and small patches; the 6-inch covers wider seams and bigger areas in fewer passes. NDM Floors carries both.

See more tools & accessories at NDM Floors Distributor.