Hardwood floor refinishing
Existing hardwood to sand, room by room: wear layer, existing finish, defects, moisture, boards to replace, and finish products in gallons.
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Feet and inches or metric: your choice. One switch on the sheet converts every measurement.
What you measure
The template's tables and their columns, as the app shows them. Calculated columns fill in as you type.
Rooms to refinish
- Room
- Length
- Width
- Add or deduct
- Floor area calculated
- FloorChoices: Solid hardwood Engineered wood Other
- SpeciesChoices: Red oak White oak Maple Yellow birch Ash Hickory Pine Other
- Wear layer left
- Existing finishChoices: Film finish (polyurethane or varnish) Oil or hard-wax oil Wax Paint Unknown
- DefectsChoices: Cupping Crowning Gaps Stains or water damage Deep scratches or dents Squeaks
- Moisture reading
- Boards to replace
- Sealer (product)
- Sealer coats
- Sealer spread rate (from the can)
- Sealer (gal) calculated
- Stain (product, colour)
- Stain coats
- Stain spread rate (from the can)
- Stain (gal) calculated
- Finish (product, sheen)
- Finish coats
- Finish spread rate (from the can)
- Finish (gal) calculated
- Notes
Stairs to refinish
- Flight
- Treads
- Risers
- Stair width
- Tread depth with nosing
- Riser height
- Risers finishChoices: Same finish as the treads Painted Not refinished
- Tread area calculated
- Riser area calculated
- Stair area to finish calculated
- Sealer (product)
- Sealer coats
- Sealer spread rate (from the can)
- Sealer (gal) calculated
- Stain (product, colour)
- Stain coats
- Stain spread rate (from the can)
- Stain (gal) calculated
- Finish (product, sheen)
- Finish coats
- Finish spread rate (from the can)
- Finish (gal) calculated
- Notes
About this template
Measure existing hardwood room by room and flight by flight before sanding and refinishing it: the area, solid or engineered and the wear layer left, the existing finish, cupping and other defects, moisture readings, boards to replace, and the sealer, stain and finish in gallons per product.
Guide and sources
One row per room: length and width in feet, plus or minus what changes the floor area, then what you see: solid or engineered, the species, the existing finish and the defects. The figures in the hints are what finish makers, the NWFA and the MFMA publish; your product's data sheet comes first.
Engineered floors: look at the wear layer above the tongue (a floor register or a threshold often shows it). The NWFA says not to sand under 3/32 in, and one sanding takes less than 1/32 in. Cupping or crowning means moisture: find the source and let the floor even out before sanding. Take a few moisture readings per room.
Gallons come from the area, the coats and the spread rate on each product's data sheet, per coat: sealer, stain and finish apart, rounded up once for each product. Waterborne finishes print about 350 to 700 sq ft per gallon, oil-modified ones 290 to 600; hard-wax oils print per litre and go much further. Stairs have their own table: the treads, and the risers when they get the same finish.
Before the work: old vinyl under a carpet may contain asbestos and must not be sanded; old paint or finish may contain lead. Oil-soaked rags can catch fire on their own: spread them out or keep them wet in a closed metal can. Canada and the US cap the VOC of floor finishes; the can's label says which category it is in.
Sources
- NWFA, refinishable engineered floors Trade association
- MFMA, sanding and finishing Trade association
- LOBA 2K Duo Manufacturer data
- Pro Finisher Polyurethane 350 VOC Manufacturer data
- EPA RRP, 40 CFR 745 Government
- MFMA, cupping and crowning Trade association
- Wood Handbook, chapter 13 Government
- Bona Traffic HD (US sheet) Manufacturer data
- Basic Coatings, Basic 1 Manufacturer data
- Rubio Monocoat Oil Plus 2C Manufacturer data
- Pallmann Magic Oil 2K Manufacturer data
- Bona Traffic HD (Australian sheet) Manufacturer data
- Varathane oil-based polyurethane Manufacturer data
- Minwax Fast-Drying Polyurethane 350 VOC Manufacturer data
- EPA, asbestos Government
- US EPA, VOC limits for coatings Code
- Bona, how to sand Manufacturer data
- Blanchon, Vitrificateur VP Manufacturer data
- Canada, VOC limits for coatings Code
- CNESST, amiante Government
- Ardec, sanding 101 Manufacturer data
- CNESST, spontaneous combustion Government
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