The purpose of exterior caulking is to apply a bead of flexible sealant to fill or cover cracks, seams and gaps where drafts or moisture might get into your house or conversely, where heated or air-conditioned air might leak out. Caulking helps keep your house weather-tight, lowers heating and cooling bills, and prevents damage to structural members. It can also help keep insects and other "critters" out of your house. When you caulk before painting, it eliminates edges where the paint may start to peel, so you won't have to repaint as often.
This DIY tutorial provides helpful hints and tips to do the job quickly and without hassles. By following the easy steps outlined in this video how-to, you'll enjoy greater comfort, and protect the investment you've made in your home.
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