CHIP REPAIR

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CHIP REPAIRS

ROLL-ON REFINISHING

IMPORTANT: When rolling a tub use KF-43 filler for repairs.  It is fast hardening and easy to sand. KF-43 can NOT be used unless it is being covered with a pigmented coating.  KF-43 it is NOT color fast and will yellow if exposed to light.

1.Sand chipped area  

2.Mix KF-43 filler 

3.Add white cream hardener  

4.Fill chip 

5.Harden filler  6.Sand smooth

Chips require filling, sanding, then applying a second thin coat of filler to get a virtually perfect repair

KF-43

CHIP FILLER & WHITE CREAM HARDENER

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 CHIP REPAIR SURFACE PREP

Use 80 grit paper to rough up area

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REMOVED SANDING DUST

With Damp Tack Cloth

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AREA BEING REPAIRED MUST BE HEATED WITH HEAT GUN

PRIOR TO APPLYING FILLER

Heating surface removes moisture and starts hardening filler from the back side of the repair.

PORCELAIN SURFACES: Touch heated area with (back side) of hand. When areas is uncomfortable warm to touch but NOT to hot to touch then apply catalyzed filler. 

FIBERGLASS SURFACES: Use less heat on fiberglass it burns easily.

ACRYLIC SURFACES: WARNING Use only KF-47 Acrylic Filler and do NOT use any heat on acrylic surfaces. If heated the filler will crack around the edges when it cools. 

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KF-43 CHIP REPAIR FILLER (MIXING)

Use KF-43 White Filler & White Cream Hardener

IMPORTANT: Do NOT over catalyze filler

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HEATING CHIP FILLER

FILLED AREA REQUIRES HEATING WITH HEAT GUN

FILLER MUST BE HARD BEFORE SANDING

With a metal object like a screw driver etc, tap on tub beside filler then tap on filler.

When both filler and tub sound the same the filler is hard and ready to sand. 

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SANDING CHIP FILLER TO CONTOUR

Use 80 grit paper by hand or with and small rubber sanding block

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SANDING CHIP FILLER SMOOTH

Use 120 grit paper by hand or with and small rubber sanding block

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IMPORTANT:

CHIP REPAIR IS A TWO STEP PROCESS

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EACH CHIP MUST BE FILLED AND SANDED TWICE (2) Times

 TO GET A PERFECTLY SMOOTH SURFACE

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CHIP FILLER REQUIRES HEATING FILLED AREA WITH HEAT GUN

FILLER MUST BE HARD BEFORE SANDING

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SANDING CHIP FILLER

"FINAL SANDING"

Use 120 grit paper by hand or with and small rubber sanding block

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TACK CLOTH

DUST REMOVAL

Dust removal is essential

AFTER ALL REPAIRS ARE COMPLETED

PROCEED TO  ETCHING  or  WIPE-ON PRIMER

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 © SPR International Inc. 2012