Upgrading to a new blacktop driveway channels water towards your house, potentially affecting your garage door's ability to keep out moisture. Many Florida homeowners notice drafts and increased energy costs when the humidity rises, indicating that the door's weatherstripping may need replacing. Fortunately, this is an easy fix that can protect the door and help maintain an ideal interior climate.
The weatherstripping on a garage door serves as the first defense against outside moisture and dirt. If it wears down, water can enter the garage or cause the door's parts to rust. Replacing the weatherstripping after a driveway upgrade is essential to countering the humidity that blacktop surfaces can create.
For many, foam tape is the go-to material for its simple application, plus it can compress and form a tight seal. However, foam softens in heat, which lowers its lifespan. For homes in Florida, it's a good idea to use a thicker foam or a foam-rubber blend.
Vinyl V-strip is sturdier and doesn't degrade under UV rays. Its V shape allows it to flex with the door's movement while keeping a good seal. Installing vinyl V-strip requires a clean surface and a sharp cutting tool, but when it's applied correctly, it can hold up for years under normal usage.
If your garage door is exposed to moisture, silicone bulb weatherstripping is the best option. Its bulb shape provides a tight seal that can withstand wet conditions, plus silicone maintains flexibility through repeated openings and closings. Cutting silicone requires care; a steady hand and a sharp knife will prevent tearing the material. Although silicone may cost a little more, it can save you money over time.
Start by measuring the length of the door jamb. Cut your trim or weatherstripping material to the correct size. If the jamb has a corner, using a miter saw provides a clean angled cut. Once you have your pieces, use a sealant on the contact points to prevent gaps.
Position your weatherstripping along the jamb, ensuring good contact. If you're using vinyl V-strip or silicone bulb, align it so it sits flush against the jamb. For foam tape, press it into the groove, carefully smoothing out any air pockets. Use a caulking gun to add a small bead of exterior-grade caulk along the edges of the strip before operating the door. Allow the caulk to cure as per the manufacturer’s instructions.
Inspect your weatherstripping every year to 18 months, especially after rain or temperature drops. Look for cracks, softness, or mold. If you find damage, replace the strip quickly to prevent moisture infiltration. This is not a time-consuming task, usually just a few hours of work that saves you major money in water damage repairs.
The cost of new weatherstripping is reasonable. A 12-foot roll of premium vinyl V-strip typically costs between $10 and $30, with similar costs for silicone bulbs and foam tape. Sealant may add another $5 to $10. The long-term savings from this investment, especially in avoiding moisture damage and reduced energy bills, can reach several hundred dollars over the door's lifespan.
If the door jamb is warped or damaged, or if the trim and weatherstripping do not fit after attempting to install them multiple times, it may be time to call in a professional. A licensed contractor can help assess the situation and recommend the best materials and methods that comply with local building codes. For the average homeowner, however, this guide provides a clear, effective solution to keep their garage door sealed against the challenges of a new blacktop driveway.
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