Grit Sanding

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Woodworking Finish Wood Sanding Basic Techniques

Our basic techniques lesson shows you how to sand wood with success:

1. Go with the Grain

This is one of the easiest rules to remember when sanding. Going against the grain can create visible scratch marks. Pay close attention to a project that has four joined sides. Where the end of one piece meets the edge of another piece, you'll want to sand right up to the joint without crossing it. Sand the edge last, being careful to sand with the grain.

2. Progress from Coarse- to Fine-Grit Sandpaper

Begin by sanding with the grain with 100-grit sandpaper to remove the deepest scratches from the
wood. Then sand with 150-grit sandpaper for a smooth, uniform surface that will evenly absorb the
paint. For base-coated surfaces, we recommend sanding with paper cut from a plain paper grocery sack before continuing to paint details or applying varnish.This is by far the finest-grit sandpaper around, and it will remove any fuzz raised by acrylic paint without leaving scratches. Be sure to use the plain side of the sack; the ink on the printed side could rub off onto the project surface. You may crumple the bag before using it to make the paper more pliable. If you do, crumple it and then flatten the piece so there are no hard folds or edges.

3. Search for Scratches

Once you complete all sanding, remove the dust with a light sweep of a tack cloth. (Do not rub the
surface with the cloth; you'll leave a sticky residue.) Then hold a light at an angle over the piece (or place the piece near a window) to inspect it for scratches. Sand again as before until the surface is smooth and scratch-free.

4. Make It Stick

All adhesives bond best to clean, dry, bare wood. Sand painted or varnished parts to expose bare wood in the gluing areas. Then remove dust from the surface, but don't rub the surface with a tack cloth -- the wax residue will prevent an effective bond.Visit the Woodworking Plans Website pages for more woodworking skills info..

About the Author

This author writes about Wooden Furniture Plans and Woodworking Plans and Ideas.Visit the Woodworking4Home Review website and get 14000 woodworking plans.

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sanding question for plywood?

i am making a little bar kind of deal and i am facing/backing the bar with plywood i've salvaged from a recent remodel project. my question was, what grit of Sand Paper would be good for sanding down the plywood? and...is it okay to sand it if i've already put on 2 coats primer and 2 coats normal white paint. or will it just make it more difficult since there are more layers?

any help would be useful. thanks!

if you want bare wood, buy new, If you want it nice you should start with furniture grade plywood

if you want to paint over, sand with 220 grit, prime and paint . If you want to take out some really rough areas 80 grit 1st.

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