Unevenness of the flooring surface from textured, distressed, hand scraped, wire–brushed, rough- sawn, reclaimed, or otherwise purposefully manufactured or …
PROBLEMS, CAUSES,AND CURES
This publication is organized into categories for easier navigation. Some topics may be relevant in more than onegeneral category. Every effort has been made to adequately identify them, but due to the variable nature of eachfloor, some cross-reference may be inadvertently omitted. Reference the Index to find a specific problem.
INTRODUCTION4 WOOD DISTORTION• Greenhouse Effect/HVAC Systems• Warp• Buckling• Cupping• Crowning• Dry Cupping• Wood Shear (Engineered Flooring)• Delamination/Glue-Line Separation(Engineered Flooring)• Telegraphing Core Material(Engineered Flooring)• Endlift/Ski (Engineered Flooring)• End-Swell/Flared-Ends (Solid Flooring)• Reaction or Juvenile Wood• Checks (Solid Flooring or Sawn/SlicedEngineered Flooring)• Lathe Checks (Rotary Peeled/SlicedEngineered Flooring)• Splits/Cracks• Slivers/Splinters• Shake (Ring Shake/Ruptured Grain)• Wood-Destroying Insects18 WOOD AESTHETICS• Grading Discrepancies• Overwood/Underwood• Uneven Bevels• Wood Discoloration• Mineral Streaks/Deposits• Sap Stains (Blue-Stain or Brown-Stain)• Sticker Stains/Shadow• Moisture Stains• Iron Stains• Tannic Acid Discoloration/Tannin-Pull• Chemical Stains26 SOUNDS/NOISES/MOVEMENT• Squeaking/Popping/Crunching Sounds• Hollow Sounds• Deflection30 INSTALLATION APPEARANCE• Seasonal/Normal Gaps• Abnormal Gaps• End-Gaps• Compression-Set• Panelization• Sidebonding• Telegraphing Fastener/Dimpling• Flooring Rack Discrepancies• Crooked Installation Discrepancies• Floor Flatness/Telegraphing Substrate
FILLER / PUTTY• Filler Color Variation• Popped Filler39 SANDING AESTHETICS• Sanding Marks• Chatter• Wave• Dishout/Shellout• Veneer Sand-Through43 COLOR INCONSISTENCIES• Finish/Colorant Discoloration• Blotchy Stain/Colorant• Picture Framing/Halo• Stain Bleedback46 FINISH AESTHETICS• Finish Film-Thickness Discrepancies• Roughness/Grain-Raise• Applicator/Finish Streaks• Holidays/Skips• Debris in Finish• Uneven Sheen Levels/Gloss Levels• Sticky Board Syndrome• Cloudy Finish• White Lines• Poly Beads• Bubbles• Pin Holes• Craters/Fisheyes• Crawling• Orange Peel• Benard Cells• Crazing/Alligatoring• Wrinkling62 FINISH PERFORMANCE• Open-Grain Contamination• Finish Adhesion Failure• Finish Wear Discrepancies• Scuffing• Impact Damage – Scratches/Indentations/Bruises• Surface Impressions• Slippery Floors
