Common Issues to Look for When You Are Getting Your Roof Replaced

By Gerry Donaghue • June 24, 2020
Common Issues to Look for When You Are Getting Your Roof Replaced

The thought of roof replacement may not be very exciting, but it is one of those things that most homeowners have to deal with at one time or another. Here are three things to watch out for when that time comes for you.

Don’t Put New Materials on Damaged Decking

“Decking” is the surface that attaches the structural part of your home to the insulation, weatherproofing materials, and shingles. It is important that if you reshingle your home, you put new shingles on decking that isn’t rotting or damaged – if you do, you will only have more problems in the future.

Don’t Put New Shingles on Top of Old Shingles

It may be cheaper to put new shingles on old shingles, but this will actually make the new shingles last for a shorter amount of time. In addition, doing this traps the heat and moisture under the lower, old layer of shingles. It may even void any warranty you have on roofing materials. When it comes to roof replacement, it is better to use only new materials.

Don’t Just Fix One Part

Even if you can narrow your roof problem down to one patch, in most cases it is better to replace the whole roof. Roofs have a recommended life span, and if one part of it has deteriorated, it means another part is probably soon to follow. It can save you money and frustration in the long run if you replace your whole roof once there is a problem.


If the time has finally come for roof replacement, it may be tempting to save some money by taking short cuts such as reusing old materials or not replacing damaged materials before you start. However, this can cost you more money in the end, in addition to the aggravation of having to call in a roofing expert to fix things yet again.

February 17, 2025
Welcome to our new website for GT Donaghue Construction & Metal Roofing, LLC! We are so excited to roll out a much needed refresh on our website and share it with all of you. And with a new website comes a reintroduction to us here at GT Donaghue Construction! For those not familiar with us, GT Donaghue Construction & Metal Roofing, LLC (formerly Donaghue Construction) has been in business for almost 40 years working across New Hampshire, Vermont, Maine, and even parts of New York bringing quality craftsmanship and decades of experience to all the projects we complete. Gerry Donaghue, our founder, started this business out of his house formerly in Nashua, NH and has sustained a quality business over the years through hard work and resilience. We have navigated fluctuations in the industry across the years with some years only allowing for a few members on our crew and some calling for multiple crews and larger partnerships. The one thing that hasn’t changed? Gerry’s commitment to high standard work and building relationships with the folks he serves. A family owned business, his daughter Ashley supports him on his admin team (after she did her time driving the dump truck for him as a teenager!), his brother Andrew works on the job site, and his wife Pat has always been there to help when needed-you can sometimes see her in the office or even at a home show! Gerry has a wealth and variety of experience ranging from ground up new builds, additions and interior remodels, deck installations, siding replacements and installations, and of course his favorite-metal roofing installations. Whether it is a unique custom job or a traditional upgrade, GT Donaghue Construction & Metal Roofing can help you out! We hope you enjoy our new website and feel free to reach out to us when we can help at your house!
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