It's not hard to make and use a linseed oil solution to seal your concrete driveway or sidewalk -- some people prefer this homemade brew to store-bought sealers for protection from winter damage. But be sure to take some important precautions. First, call your air pollution control district to ask whether it's legal to use a linseed sealer. If it is legal, be very careful when you use it -- linseed oil is extremely flammable.
Things You'll Need
- Boiled linseed oil
- Kerosene or paint thinner
- Roller, brush or hand pump sprayer
- Ready-made linseed sealer
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Make sure the concrete is completely dry. Before you seal it, wait at least two days after the last rain.
In a bucket, mix one part boiled linseed oil to one part kerosene or paint thinner. Be sure the work area is well-ventilated.
If you don't want to make your own sealer, buy a ready-made treatment product that contains linseed oil plus solvents. See Resources below.
Use a paintbrush, roller or hand pump sprayer. Apply evenly and lightly -- if you apply too thick a layer, it will darken the concrete.
Let the area dry thoroughly before using it.