Navigating what to use to seal your countertop can be tricky, especially if you're looking for a nontoxic option. Here's what to look for, and what to avoid.

This type of sealer is applied with a smooth, clear finish and offers a range of sheens from matte to glossy. Epoxy concrete sealers are the most versatile product for protecting concrete countertops.

Rob Robillard, a general contractor, carpenter, and business owner handles your home improvement questions.

The folks at The Family Handyman have a good one here: a little clear plastic tubing will preserve the look of your countertop and block off that space so crumbs and other bits don't slip down ...

We've tested and reviewed products since 1936. Read CR's review of the Thompson's WaterSeal Clear Wood Sealer wood stain to find out if it's worth it.

We tested both to break down their differences (and pros and cons). Serious Eats / Russell Kilgore The vacuum sealer is a rather ingenious device that sucks the air out of a plastic bag before ...

Keep the countertop color uniform with sealer or by rubbing with mineral oil. Mineral oil will darken soapstone’s natural gray hue; sealing will not. Soapstone is relatively soft, ...

Q. I would like to seal our marble bathroom floor, but I am unable to clean the grout. We installed marble (10-by-10) tiles in our bathroom. The installer used white grout (we mistakenly chose the … ...

Marble is a classic and elegant material, but it can be high-maintenance. We explain how often to seal marble countertops and why sealing on a regular schedule is important.