How to Make Concrete Sealer from Linseed Oil | eHow
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.
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