Answers tagged "haze"

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Use this when the finish looks cloudy or dull after sanding.

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Can I sand a fiberglass tub?

Fiberglass tubs can become dull, scratched, or damaged if sanded too aggressively.

For small surface marks, test 1000, 1500, then 2000 wet in a hidden area.Wet.

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Can I sand a granite countertop?

Granite countertop sanding can leave dull spots or uneven polish.

Avoid sanding polished granite. For minor test work, use only 2000 or 3000 wet in a hidden area.Wet only for very fine test work.

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Can I sand a quartz countertop?

Quartz countertop scratches or dull spots can get worse with normal sandpaper.

Do not start with coarse grit. For minor test areas only, use 2000 or 3000 wet and polish afterward.Wet only for very fine test work.

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Can I sand ceramic glaze?

Ceramic glaze can become dull, scratched, or uneven after sanding.

Avoid sanding visible glaze. For tiny high spots, test 1000 or finer wet.Wet.

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Can I sand chrome?

Chrome can scratch, dull, or flake if it is sanded incorrectly.

Avoid sanding decorative chrome. For damaged chrome that will be refinished, use 800, 1000, 1500, and 2000 carefully.Wet for fine correction work on damaged chrome.

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Can I sand granite?

Granite can show dull spots or visible scratches after sanding.

Avoid sanding polished granite for cleaning. For small repair testing, use 1000 or finer wet.Wet.

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Can I sand Venetian plaster?

Venetian plaster can lose sheen or show dull spots if sanded too aggressively.

Avoid coarse sanding. For small corrections, test 600 or finer very lightly.Dry unless the finish maker specifies otherwise.

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Can I sand vinyl flooring scratches?

Vinyl flooring can lose its wear layer or show dull spots after sanding.

Avoid sanding vinyl flooring. For repair prep only, test 600 or finer in a hidden spot.Dry.

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Can sandpaper remove ceramic sink scratches?

Ceramic sink scratches may not disappear with normal sanding.

Start with cleaning first. For minor surface marks, test 1000, 1500, then 2000 wet in a hidden spot.Wet.

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Can sandpaper remove porcelain tile scratches?

Porcelain tile can become dull or scratched if sanded incorrectly.

Avoid sanding polished porcelain. For minor edge work only, test 1000 or finer wet.Wet.

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Can sandpaper sharpen chisels?

A chisel edge is dull and needs sharpening or edge refinement.

Use 400 or 600 for edge repair, then 1000, 1500, and 2000 for sharpening refinement.Dry or wet depending on the sharpening setup.

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How to avoid sanding through veneer

Thin veneer can sand through quickly and expose the layer underneath.

Use 220 for light prep. Use 320 for gentle scuff sanding on already smooth veneer.Dry.

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Is haze normal after wet sanding?

The surface looks hazy or dull after wet sanding.

Use 1500, 2000, and 3000 to refine normal wet-sanding haze.Wet.

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Plastic is hazy after wet sanding

Plastic looks cloudy or hazy after wet sanding.

Use 1000, 1500, 2000, and 3000 for haze refinement. Use 800 only when deeper marks remain.Use wet sanding with clean water on plastic when the item can safely be rinsed. Keep pressure light to reduce heat and gouging.

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Preparing wood before finish

Wood needs to be sanded before applying finish.

Use 150, 180, and 220 for most wood finish prep. Use 320 for finer prep when needed.Use dry sanding for normal wood finish prep. Keep bare wood dry unless intentionally raising the grain before final sanding.

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Swirls from dirty wet sanding water

Wet sanding leaves swirl marks because the water or surface is dirty.

Stay with the current grit until the dirty-water marks are removed, then refine with the next finer grits such as 1500, 2000, and 3000.Use wet sanding with clean water. Rinse the sheet and surface often so residue does not become an abrasive slurry.

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Wet sanding slurry builds up

Wet sanding residue collects and makes cutting inconsistent.

Use the planned fine grit sequence, such as 1000 to 3000.Wet.

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What grit before garage floor epoxy?

Garage floor epoxy can peel if the concrete is too smooth or dusty.

Use 60 or 80 for rough mechanical scuffing, then clean thoroughly before coating.Dry, with dust control.

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What grit between epoxy floor coats?

A new epoxy floor coat may not bond well over a glossy cured coat.

Use 120 or 180 to scuff cured epoxy, then clean thoroughly before recoating.Dry with dust control.

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What grit between epoxy tabletop coats?

A second epoxy coat may not bond well over a cured glossy first coat.

Use 220 or 320 to scuff cured epoxy before the next coat.Dry.

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What grit between lacquer coats?

Lacquer can show dust nibs, roughness, or poor surface feel between coats.

Use 400 or 600 lightly between cured lacquer coats.Dry unless the lacquer system allows wet sanding.

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What grit for acrylic bathtub scratches?

Acrylic bathtub scratches can look worse if sanding starts too coarse.

Use 800 or 1000 for light scratches, then 1500, 2000, and 3000 before polishing.Wet.

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What grit for bamboo before oil?

Bamboo can look uneven or streaky when oil is applied after rough or inconsistent sanding.

Use 180, then 220. Stop at 220 before oil for a clean, even surface.Dry.

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What grit for brass hardware before polishing?

Brass hardware may stay dull or scratched after cleaning.

Use 600 for oxidation or scratches, then 800, 1000, and 1500 before polishing.Dry or wet at finer stages.

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What grit for brass or copper polishing prep?

Brass or copper still shows scratches before polishing.

Use 600, 800, 1000, 1500, 2000, then 3000 before polishing.Wet for finer stages.

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What grit for butcher block countertops?

Butcher block countertops can show scratches, water marks, or dull worn areas.

Use 120 for visible scratches, then 180 and 220 for final smoothing.Dry.

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What grit for concrete countertop polishing prep?

Concrete countertop remains rough, dull, or uneven before polishing.

Use 120 or 220 for light refinement, then 400, 600, 800, 1000, and 2000 for finer prep.Wet for dust control and fine finishing.

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What grit for concrete countertop polishing?

Concrete countertops can stay dull or show sanding marks after prep.

Use 400, 600, 800, 1000, then 1500 or 2000 for a smoother finish.Wet.

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What grit for fiberglass shower scratches?

Fiberglass shower scratches can stay dull or uneven after sanding.

Use 800 or 1000 for light scratches, then 1500, 2000, and 3000.Wet.

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What grit for Lexan scratches?

Lexan can become cloudy after sanding if the grit sequence is too coarse.

Use 1000, 1500, 2000, and 3000 before polishing.Wet.

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What grit for painted siding before repainting?

Painted siding can peel again if loose edges and glossy areas are not prepared.

Use 120 or 180 on peeling edges, then 220 for smoother repaint prep.Dry.

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What grit for picture frames before painting?

Picture frames can show scratches or chipped edges after painting.

Use 220 for scuffing and 320 for smoother visible areas.Dry.

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What grit for polishing Plexiglass edges?

Cut Plexiglass edges can look saw-marked, cloudy, or rough.

Use 400 or 600 to remove saw marks, then 800, 1000, 1500, and 2000 before polishing.Wet for fine stages.

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What grit for radiator before painting?

Radiator paint can peel or look rough when old paint and rust are not prepared.

Use 120 or 180 on rust spots, then 220 or 320 for smoother paint prep.Dry.

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What grit for RV gelcoat oxidation?

RV gelcoat can look chalky, dull, or oxidized after cleaning.

Use 1000 or 1500 for oxidation, then 2000 and 3000 before polishing.Wet.

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What grit for screening hardwood floors?

Hardwood floor finish needs light scuffing before a new coat, not aggressive removal.

Use 220 or 320 for light scuff sanding between floor finish coats.Dry.

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