WOOD FLOORINGSAND AND FINISH GUIDELINES1 INTRODUCTION2 SAFETYPersonal Protective Equipment (PPE)Fire ExtinguishersSpontaneous CombustionElectrical SafetyEquipment SafetyLeadGHS Safety Data SheetsVolatile Organic Compounds (VOCs)10 SANDING EQUIPMENTEquipmentEquipment Maintenance15 ABRASIVESAbrasive ComponentsAbrasive StorageAbrasive SelectionTypical Grit SequenceImproper Grit Sequence18 SANDING PROCESSJobsite PreparationSanding Previously Finished FloorsSanding Strip & Plank FloorsSanding Parquet FloorsSanding End Grain FloorsSanding Cork FloorsSanding Bamboo FloorsSanding Metal InlaysStone InlaysSanding Distressed/Sculpted Floors26FILLINGTypes of FillerFiller ProcessWood Slivers28FINISHESBasic Chemistry …

NWFA Technical Publications and Guidelines• Manufacturer instructions and tech data• Graph paper• Camera• Flashlight• Lighted magnifying lens• Wood moisture meters > Pin meter with extra pins > Hammer-probe with insulated pins > Pinless meter• Thermo-hygrometer• Extra batteries• Concrete moisture tests > RH tests > CaCl tests > Meters• Infra-red thermometer• Rare earth magnets• Digital calipers• Straight-edge (6’-10’)• Laser level/string line• …

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 …