Identification of Common Laminate Floor Problems
Line BreakAuthor: Terry Weinheimer | Kevin Weinheimer (15 Articles)
Kevin Weinheimer and Terry Weinheimer are nationally known flooring inspectors located in Oregon and offering nationwide service.
| Concern | Identifying Characteristics | Possible Causes | Recommended Actions | Responsibility |
| Indentation Damage | Dent in floor with fracture marks in the plastic. | Impact to surface or dropped object | Repair with the approved filler or replace board | Consumer or installer |
| Indentation Manufacturing Voids | Dent in floor without fracture marks in plastic. | Missing paper, damaged core, will show as irregular shape depression. | Repair with the approved filler or replace board | Manufacturer or installer if a highly visible defect. |
| Scratches, Cuts | Scratches showed up after installation or cross between boards | Plastic toys, improper furniture protectors, dragging furniture, abrasive soil. | Replacement of scratched boards | Consumer, or installer if occurred during installation |
| Scratches Manufacturing | Scratches seen at time or following installation. Do not cross boards, generally in straight line. May repeat on multiple boards. | Scratching during manufacturing. | Replacement of scratched boards | Manufacturer, or installer if highly visible and installed anyway. |
| Scuffing | Dull, wide marks or scratch like areas. | Chairs with plastic castors, hard plastic toys | Take preventative action, replace scuffed boards | Consumer |
| Water Damage Bottom up | Warped floor, swelling at multiple seams in localized or large area | Water leaks, no vapor barrier on concrete | Replace | Consumer if leak
Installer if no vapor barrier |
| Water Damage Top down | Swelling at both sides of seams, gaps in seams, voids in glue | Improper joining and/or gluing | Replace | Installer |
| Out of Rack | Boards not aligned parallel on both sides and ends, seen on floor from point on where misalignment started. | Failure to align and tightly join starter row. | Replace as needed | Installer |
| Out of Square | A floor that is out of square will affect alignment on out of square planks only and not entire area. | Milling | Replace as needed | Manufacturer |
| No Underlay Foam | Buckling | No foam results in gluing to the underlayment and floor is no longer floating | Replace | Installer |
| Concave Bowing | Center of the plank is lower in elevation than the edges in length or width. | Installed on wet subfloor. No moisture barrier. Improper acclimation. Water damage. Manufacturing defect | Wait 6 weeks after installation to inspect. If in excess of tolerance, replace. | Installer if installed over wet floor, improper acclimation or no vapor barrier. Consumer if water damage. Manufacturer |
| Convex Bowing | Center of the plank is higher in elevation than the edges in length and width. | Manufacturing related condition | Wait 6 weeks after installation to inspect. If in excess of tolerance replace. | Manufacturer |
| Delamination | Laminate not adhering to core. May appear as a bubble on plank surface, delamination on edge about width of tapping block. | Laminate moves, hollow sound, improperly used tapping block, swelling due to improper gluing | Plank or section replacement | Installer if not properly glued or installation damage. Manufacturer if laminate not attached. |
| Proud Edges | Height difference between planks when installed | Milling | Assess on basis of size and number and if outside of acceptable range, replace as required. | Manufacturer, Installer if highly visible and floor should not have been installed. |
| Pattern Misaligned | Pattern no aligned on the core | Improper manufacturing alignment | Plank or section replacement | Manufacturer, installer if highly visible and should not have been installed. |
| Foggy Laminate | Milky appearance throughout plank | Manufacturing | Replace section or as needed. | Manufacturer |
| Sheen Variation | Sheen varies between planks with some dull and others shiny. Usually light dependant | Manufacturing | Replace section or as needed. | Manufacturer |
| Color Variation | Plank varies in color from the true color or design | Manufacturing or mixed pattern | Plank or section replacement | Installer if wrong color or highly visible, otherwise manufacturer |
| Foreign matter under laminate | Particles under laminate that show up either as marks, spots or lumps. | Dust or debris during manufacturing. Generally light dependent and not seen until after installation. | Replace as needed | Manufacturer, installer if highly visible as it should have been seen and not installed. |
| Improper Milling | Floor unlevel or not square in areas | Product out of square, defective tongue or groove. | Replace as needed | Manufacturer, installer if highly visible as it should have been seen and not installed. |
| Chattermarks (Cuttermarks) | Widthwise, wavy or rippled bands. Not seen in all lighting. | Skips during sanding | Replace | Manufacturer, installer if highly visible as it should have been seen and not installed. |

