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By: Jeanne Huber
Deciding whether to repair or replace roofing is largely an exercise in timing — you don’t want to reroof too soon and waste money, but you don’t want to wait too long either.
If you check the condition of your roof at least once a year, you should be able to plan in advance for necessary repairs. Early signs of trouble include dark areas on ceilings, peeling paint on the underside of roof overhangs, damp spots alongside fireplaces, and water stains on pipes venting the water heater or furnace.
From the outside, you can assess your roof’s health by viewing it through binoculars. Warning signs include cracked caulk or rust spots on flashing; shingles that are buckling, curling, or blistering; and worn areas around chimneys, pipes, and skylights. If you find piles of grit from asphalt roof tiles in the gutters, that’s a bad sign, since the granules shield the roof from the sun’s damaging ultraviolet rays. Black algae stains are just cosmetic, but masses of moss and lichen could signal roofing that’s decayed underneath.
If you’re inspecting on your own and find worrisome signs, especially if the roof is old or there has been a storm with heavy wind or hail, get a professional assessment. Some roofing companies do this free; specialized roof inspectors, like those who work through the National Roof Certification and Inspection Association, charge about $175.
You can usually repair a leak in a roof that is otherwise sound. The cost might range from $10 if you just need to squirt some roofing mastic into a gap alongside chimney flashing to $1,000 to fix a leak in a roof valley. If something sudden and unforeseen, such as a wind storm, causes a leak to appear, your homeowner’s insurance will probably cover the repairs. But you’re still responsible for limiting the damage, so put out buckets and try to get a local roofer to spread a tarp while you arrange for repairs. Insurance may not cover problems that stem from a worn-out roof or lack of maintenance.
Stripping off old roofing and starting over typically costs about $3 a square foot for basic composition shingles. You may be able to leave an existing single layer and add a second layer on top of it for about $2 a square foot. If you plan to stay in the house for only a few years, this might seem like a smart way to save. But unless you’re so pressed for cash that your only other option is to risk leaks, it’s false economy. The second layer won’t last as long—only about 15 years rather than the standard 20—and you won’t get new flashing or underlayment or the opportunity to upgrade to features that make a roof stronger. Plus, when you go to sell, your re-covered roof will look a little lumpy, and potential buyers may interpret the two layers as a sign that other home improvements were also done on the cheap.
When you evaluate bids, don’t just look at the total. A bare-bones estimate might include a single layer of 15-pound building paper under the roofing, while a better but more expensive bid includes 30-pound paper plus self-stick rubbery material along eaves to protect against damage from ice dams. Bids might also differ in whether they include the cost of disposing of the old roofing, on hourly rates for structural repairs, and on costs related to gutters.
Once you settle on a contractor, check to make sure the company is licensed and insured. Also discuss how the crew will minimize damage to landscaping, and who will pay for any that occurs. Schedule the roof work during dry weather, if possible, so your lawn doesn’t take as much of a beating. You’ll sleep better, too, if you’re not worrying about rain coming in when the roof is half-done.
A new roof isn’t something most families buy happily. But getting multiple benefits from it makes it easier to shell out the money. As part of a new roofing project, you can incorporate many features that make your home more environmentally friendly, some of which may qualify for a federal tax credit to offset the cost. You can also choose roofing that’s more resistant to fire or damage from wind and hail, which may qualify you for a discount of 30% or more on your homeowner’s insurance policy.
Visit HouseLogic.com for more articles like this. Reprinted from HouseLogic.com with permission of the NATIONAL ASSOCIATION OF REALTORS®.