Sandpaper sells at nearly every hardware counter, so finding it is rarely the problem. Matching the abrasive to the job is. Home Depot, Lowe’s, Ace Hardware, Menards, Harbor Freight, Walmart, Rockler, Woodcraft, Eastwood, and Amazon all stock deep catalogs, and they do not stock the same things. Before you buy, settle two questions: which grit range the job needs, and which grain material. Below: a grit chart, the four abrasive grains compared, and which retailer carries what.
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What Sandpaper Is and Who Needs It
Sandpaper is a paper, cloth, or film backing coated with bonded abrasive grain, used to cut, smooth, and polish wood, metal, drywall, plastic, and painted surfaces. The number printed on the back is the grit size: low numbers cut fast and leave deep scratches, high numbers refine and buff.
Four buyers dominate this aisle. Woodworkers buy sheets and ceramic abrasives by the box. Finishers taping joint compound need rolls and sponges sized for pole sanding heads. Auto body DIYers hunt wet and dry silicon carbide paper above 1000 grit. If the project is a floor, our guide to where to buy wood flooring covers the material side.
Manufacturing consistency is what separates the price tiers. Premium makers sort their abrasive grains to a tighter size range, so the sheet cuts longer and leaves a more uniform scratch pattern than bargain paper carrying the same number.
What to Look For in Sandpaper: Features and Buying Criteria
Buy for grit range first, grain material second, brand third. Choose the right sandpaper by reading the two numbers on the back of the sheet, not the logo on the front.
Grit number. The figure reflects the mesh screen the grain was sorted through, so 80 grit is coarse and 320 is fine. Jump more than one step and you leave scratches that telegraph through stain.
Grain material. Aluminum oxide handles almost everything, garnet is friendliest under stain, silicon carbide is built for wet work and metal polishing, ceramic and zirconia outlast all three.
Backing material and weight. Paper backings run A through F. A is the lightest and most flexible for contour work, C or D is stiff enough for sanding blocks. Cloth and textile backings survive belt sanders, and waterproof film survives water.
Anti-clog coating. Stearated sheets carry a zinc stearate dry lubricant that reduces clogging on primer, paint, and finish coats. Skip them under a water-based topcoat, since residue can affect adhesion.
The standard on the label. CAMI (North American) and FEPA (European, marked with a P) numbers both appear on US shelves. They track each other through the mid-200s, then split apart as the grades get finer.
| Grit Range | Category | Best Use |
|---|---|---|
| 40 to 60 | Coarse | Stripping paint, heavy stock removal |
| 80 to 120 | Medium grit | Smoothing lumber, shaping wood, old finish |
| 150 to 180 | Fine grit | Final sanding before stain, drywall patches |
| 220 to 240 | Very fine | Between coats of finish, scuff work |
| 280 to 320 | Extra fine | Polishing oil and lacquer finishes |
| 400 to 600 | Super fine | Wet sanding primer, deburring metal |
| 800 to 3000 | Ultra fine | Automotive paint correction, mirror finish |
Grain Materials and Formats: Matching Abrasives to Your Tool
Four types of sandpaper grain cover nearly every project.
| Grain | Best For | Trade-off |
|---|---|---|
| Aluminum oxide (alumina) | Wood and metal, plastic, paint | Can burnish bare hardwood |
| Garnet | Bare hardwood before stain | Softest grain, wears fastest |
| Silicon carbide | Wet work, glass, tile, emery-style metal jobs | Too brittle for heavy removal |
| Ceramic and zirconia | Hardwood, welds, belt sanders, hard metal | Highest price per disc |
Open mesh on a shop vacuum also cuts the airborne particulate matter that solid paper throws into the room.
- 9 by 11 sheets: the size to hand sand a flat panel, torn into quarters for a block.
- Hook and loop discs, 5 and 6 inch, for a random orbital sander from Dewalt, Makita, or Festool.
- Quarter and third sheet clip-on pads for palm sheet sanders.
- Belts in 3 by 21 and 4 by 24, the common benchtop and portable sizes.
- Rolls for pole sanders, plus sponges, nylon-backed sanding pads, and drums for rotary tools.
Sequencing a refinishing job takes three passes; our where to buy Sherwin-Williams paint guide covers the finish side.
- Cut the old finish with 60 or 80 until you reach clean substrate.
- Level the surface with 120, working with the grain on wood.
- Move to 150 or 180 for stain, or 220 for paint, then vacuum and wipe.
What to Avoid When Buying Sandpaper
The costliest mistake is buying one number and expecting it to do three jobs.
Jumping steps. Going from 80 straight to 240 hides coarse scratches instead of removing them. They reappear the moment stain hits the wood.
Mixing CAMI and FEPA numbers. Treating a CAMI grade and its P-numbered twin as interchangeable is harmless mid-scale and misleading at 400 and above, where the same figure stops meaning the same particle size.
Unbranded bulk lots. Cheap import packs often skip the adhesive resin bond that keeps grain attached, and shedding shows on the first pass. If a listing will not name the abrasive material, that is your answer.
Where to Buy Sandpaper In Store
Every general hardware chain stocks basic aluminum oxide sandpaper. Selection depth is where they split.
Home Depot
Home Depot, the largest home improvement chain in the US, carries the widest DIY range: Diablo, Gator, Norton, and Dewalt in sheets, sponges, belts, and discs. It is merchandised under paint supplies, not hardware. Check the category page, since stock is listed per store.
Lowe’s
Lowe’s carries the same core brands, is dependable for SandBlaster and Norton 3X, and lists bulk rolls that smaller neighborhood stores tend to skip. Browse their selection.
Ace Hardware and Menards
Ace keeps a tighter range but does well on small assorted packs. Menards, the Midwest chain, is worth checking during its periodic rebate promotions. Both are convenient when the list also includes where to buy tools or a measuring tape.
Harbor Freight
Harbor Freight sells Warrior and Bauer abrasives among the lowest sticker prices you will find, which suits rough carpentry and deck work. See the lineup.
Walmart and Auto Parts Counters
Walmart stocks name-brand multi-packs in the paint aisle. O’Reilly Auto Parts and similar counters keep wet and dry sheets, the fastest local route to 1000 grit or finer. Call ahead above 400, since general hardware stores stock the high end thinly.
Where to Buy Sandpaper Online
Order online when you need a number the local aisle skips, a bulk pack, or a specialty grain.
Amazon
Amazon, the largest online retailer in the US, lists most of what the big boxes carry plus import brands, contractor packs of sanding sheets, and grades above 1500. Read the grain material in the title, because unlabeled assortments are common. Browse the selection.
Rockler, Woodcraft, Klingspor, and Empire Abrasives
Specialty woodworking dealers stock Mirka, Klingspor, and Festool, plus the traditional grains the big boxes rarely shelve. Expect a higher price per sheet for longer grain life. Rockler and Klingspor ship direct, and Empire Abrasives cuts belts to order.
Eastwood, Northern Tool, and Red Label Abrasives
Eastwood and Northern Tool focus on automotive silicon carbide Wetordry paper and dual action discs, the shortest path to 3000 for paint correction. Red Label Abrasives is the one to know for custom-length belts and rolls.
What People Are Saying About Sandpaper
Abrasives are one of the few shop supplies where forum regulars argue about brands harder than they argue about technique. Three themes repeat.
Sheet life is the complaint, not scratch quality. On woodworking boards such as The SawdustZone and TractorByNet, the grievance about big-box house brands is how fast they quit, not the surface they leave behind. One long SawdustZone thread is built around a member giving up on the orange store’s own abrasive line.
3M earns its praise on the backing. TractorByNet posters single out its 5 inch hook and loop for still gripping the pad after repeated changes, a failure point people hit constantly on cheaper pads.
Norton and Diablo split the room. Several posters treat Norton as the durability benchmark; one reported Diablo lasting roughly a third as long as the Norton pads it replaced. Gator and Craftsman draw the harshest verdicts from experienced users.
That lines up with the price bands below: brand matters most from 150 up, and least at 40 to 60.
Top Picks for Five Common Sanding Jobs
Chosen on grain type, format availability, and how many retailers carry them. As of July 2026, expect roughly these bands per sheet.
- Budget: store-brand and Warrior-grade sheets, about $0.30 to $0.60 each in multi-packs.
- Mid-range: SandBlaster, Norton 3X, Diablo, and Gator, around $0.75 to $1.50.
- Premium: Mirka Abranet, Klingspor, and Cubitron ceramic discs, about $1.50 to $3.
Best overall: 3M SandBlaster Pro assorted pack. A multi-grit box spanning stripping through finishing, on aluminum oxide sandpaper that holds its cut through paint and primer. Where to buy: Amazon | Home Depot | Lowe’s | Walmart
Best budget: Gator Grit multi-grit sheets. Lowest cost per sheet among the name brands. Buy it for the rough passes, not for finish work, since it is the brand veterans criticize most. Where to buy: Amazon | Home Depot | Lowe’s | Harbor Freight
Best professional: Mirka Abranet mesh discs. Open mesh pulls dust through the back instead of trapping it, which reduces clogging. Pair it with a vacuum-ready random orbital sander. Where to buy: Amazon | Rockler | Woodcraft | Empire Abrasives
Best for woodworking: Klingspor garnet sheets. The grain self-fractures as it wears, keeping a cool edge on bare hardwood and a surface that takes stain evenly. The traditional wood finishing choice. Where to buy: Amazon | Klingspor Online | Woodcraft | Rockler
Best for auto body: 3M Wetordry automotive sheets. Silicon carbide on a waterproof backing, rated for wet or dry use on primer, clear coat, and final polish. Where to buy: Amazon | Eastwood | Northern Tool | O’Reilly Auto Parts
Start with the job, not the brand. Pull your coarse, medium, and fine numbers off the chart above, buy cheap for the first pass, then spend real money from 150 up. Above 600, order sandpaper online or drive to an auto parts counter.
Frequently Asked Questions About Buying Sandpaper
Which is rougher, 80 or 120 grit?
80 is rougher. Lower numbers mean larger particles, because the figure comes from the mesh screen count the grain was sifted through. Consumer packs start near 40 and stop near 3000.
What is another name for sandpaper?
Abrasive paper is the industry term. Glasspaper, garnet paper, and sand paper all appear on packaging. Emery cloth is the cloth-backed relative, coated with emery, a natural corundum blend used mostly on metal.
Which numbers strip paint off wood?
Start at 60 or 80, move to 120, then finish at 150 or 180. One caution: homes painted before 1978 may carry lead paint, which should never be dry sanded. The EPA Renovation, Repair and Painting rule governs contractors in those homes, and test swabs cost a few dollars.
What works best on drywall?
Use 120 or 150 on a pole or hand sander to feather joint compound, then a very fine grade for the last pass. A sponge leaves fewer swirl marks in inside corners.
Do 220 and P220 mean the same thing?
Close enough at that number, and not at all higher up. The CAMI and FEPA scales sit within a few microns of each other there, then split: a P400 sheet cuts more aggressively than a CAMI 400 sheet. Stay on one system for the fine grades.
Is wet sanding worth it on a DIY paint job?
Yes, above 600 on primer or automotive finish. Water carries away swarf, prevents clogging, and leaves a finer scratch pattern than dry work. Wet sand only with sheets labeled for wet and dry sanding, since ordinary paper backing falls apart.
Reviewed by the wheretobuyguides.com editorial team. Prices and retailer availability verified July 2026; brand review consensus checked September 2026.