Workshop

Employees Only

Common Wood Finishing Problems

(M.L. Campbell)

Problem Solving		Blistering
Separation of Liquid		Excessive Settling
Sagging of Film		Cratering
Skinning of Liquid		Delamination of Finish Over Stain
Streaks		Poor Adhesion of High Solids Coatings
Lack of Flow		Changes in Luster During Application
Non-Drying or Poor Drying		Proper Sanding
Spotty Drying		Sanding / Finishing Tips
Lack of Hiding		Post Catalyzed Products Application Guidelines
Poor Adhesion of Film		Hand Marks / Fingerprints on Finish Coat
Lack of Adhesion Between Coats		Foaming (Water-Borne Coatings)
Brittleness		Bubbles (Open Pore Woods)
Flat Spots		Bubbling of Coating (Latex)
Excessive Spray Fog		Recommend Moisture Content For Wood Prior to Finishing
Excessive Body		Spray Pattern Bottom Heavy
Cracking or Crazing of Film		Spray Pattern Heavy to Right
Too Little Coating Weight		Spray Pattern Heavy to Left
Excessive Marring		Spray Pattern Heavy at Center
Discoloration		Spray Pattern Split
Finish Printing		Excessive Material
Orange Peel		Material Won't Spray From Spray Gun
Dirty or Seedy Finish		Material Won't Flow From Suction Cup
Blushing		Material Won't Pump From Pressure Tank or Pressure Cup
Haze		Gun Sputters Constantly
Oil Bloom		Material Leaks From Spray Gun
White Spots		Material Leaks Fluid Needle Packing Nut
Brown Spots		Spray Pattern Top-Heavy
Pinholes or bubbling		Pump Freeze-Up (Latex)
Bleeding

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