They can fix leaks or prevent them from happening in the first place. ... There are two main categories of roof sealants: water-based sealants and those that are solvent-based. ... Silicone Sealant.

If cold joints are to blame for the water in your garage, Mitchell says, "Applying a flexible, waterproof sealant along the ...

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A: Chlorine bleach removes mildew stains.When the stains are on silicone sealant, one trick is to place wads of toilet tissue against the stained areas and then dampen them with bleach.

Leaks aboard are a headache, figuratively, of course. But ­selecting between myriad sealants and caulks at the marine hardware store might cause a literal headache. Before reaching for the OTC ...