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Skipping the installation of a drip edge or gutter apron can lead to significant water damage. Without this component, water is more likely to seep under roofing materials or leak behind gutters, damaging the fascia, soffits, siding, and even the interior of your home, such as the attic. Over time, this moisture can cause rot, mold, and deterioration. In colder climates, a missing drip edge also increases the risk of ice dams, which can lead to expensive repairs. A drip edge is an essential part of a roof's drainage system, and some local building codes may even require its installation to protect the home from water damage.

This depends on the design of your roof and any preexisting issues. If you have water and puddles pooling, no matter the roof type, apply a coat of sealant immediately. Beyond that, seal a flat roof every five years, though constant rain and snow hasten this time frame to three or four years. Add a few years for sloped roofs, waiting six to eight years between applications, as water does not pool with these designs.

While you can technically install new roof sheathing over an old layer, it is generally not recommended for several reasons. Installing new sheathing over old can trap moisture, which may lead to future problems, especially in humid climates. It also adds significant weight to the roof structure and prevents you from inspecting the original sheathing for rot, mold, or other damage.

However, in some cases, if the old sheathing has been thoroughly inspected and is in excellent condition with no signs of rotting, warping, or damage, a roofer may install new sheathing over it to add strength and stability. Despite this, the more common and recommended practice is to remove the old roof sheathing entirely before installing a new layer, as removing it is not a difficult task.

After you pass your wind mitigation inspection, you’ll receive a report you can send to your insurance company when you request a discount. This report is valid for five years. If you switch providers within that five-year window, your new insurer may ask you to get another inspection if you want a discounted premium.