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SEALERSQuestion: Do you need to add a sealer to your stucco in order to make it waterproof? Answer: Sealers for stucco are unnecessary. In most cases, someone might say a sealer is necessary to make the stucco “waterproof.” This is sheer nonsense and a waste of money. Stucco is already “waterproof.” Using a sealer on stucco affects the bond of a stucco fog coat which you may want to use to redecorate surfaces at some later time. Don’t be misled by well-meaning people who suffer from a belief that stucco is porous and unless it is “sealed,” water goes through it. A sealer of the right type, however, may offer water repellency to avoid the “wet look", so a sealer should be chosen very carefully. Sealers also help at the bottom of walls around flower beds to prevent mud splatters from staining the stucco and to permit easy washing off with water. In tests to determine the best of 50 sealers, a leading agency found that they follow this order:
Sealers generally will not prevent or cure leaks because most water entry problems originate with many unrelated aspects of construction. |
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