Q. I painted my garage floor with a good deck paint.

If it is still in good condition you can paint again with deck paint.

If you are going to paint again, use an exterior-grade deck paint.

A. I assume you are saying that the floor of the porch was covered with some type of deck paint.

The plywood was primed and painted with an oil-based deck paint.

Eggshell paint will be fine - or deck paint, although this often looks rather dense.

A. All paint stores sell deck paints (also called floor paints) made for masonry surfaces.

After scrubbing, wait till completely dry, then paint with two coats of masonry deck paint.

Next, repaint with a good-quality latex deck paint.

Next, apply two coats of a latex-base masonry deck paint, using a brand resistant to lifting by hot car tires.

And then he reset it with plywood, now painted in 10 coats of black deck paint and finished with polyurethane.

For years, I have been painting this floor with an acrylic concrete deck paint, and in April the paint bubbles and lifts in large sections.

Sandpaper, calking material and calking compound, antifouling marine hull paint, deck paint and varnish.

A. Hot tires will cause most deck paints to lift, although some alkyd deck paints are more resistant than latexes.

Another possibility, if the deck is painted, is to paint with a nonskid sand finish paint, or add sand to a regular deck paint.

Jeffrey Bilhuber, the New York decorator, was impressed by a sisal-covered porch he saw in Maine that was completely painted with white marine deck paint.

A.The best paint for an outdoor concrete slab is a latex-base deck paint - but don't expect even this to last more than two or three years before repainting.

Before you put down the carpet, though, give the wood a fresh coat of exterior deck paint and carefully caulk all seams, edges and joints so that water cannot enter.

LEAD: Floors in Garages Floors in Garages Q. I recently painted my concrete garage floor with an oil-base deck paint.