Replacing roofing materials is usually a necessity, not a luxury.GAF Shingle System installed by MTB Windows & More of Clear Spring, MD The professional installers at MTB Windows and More know this, and try to alleviate the feeling of being under pressure to protect the home by ensuring a high-quality, long-lasting final product.

The installers use one of the best roofing materials on the market – the GAF Shingle System. The System includes a high-quality underlayment for added protection between the wood sheathing and the shingles and a 6-nail shingle system. This 6-nail pattern allows MTB and GAF to offer a lifetime warranty to withstand winds of up to 130 miles per hour.

No More Ugly Roof Stains

Another great advantage of the GAF Shingle System is that it is fungus-resistant. The black streaks often seen on rooftops around the Hagerstown, MD/Tri-State area will not appear on the GAF Shingles like on other brands that are not fungus-resistant. This discoloration, usually algae, can penetrate inferior shingles and cause decay of the product from within. And while algae can still form on tree sap and other natural elements that fall on a roof, GAF manufacturing techniques ensures that it stays on the surface of the shingle. Thus it can be pressured washed away with no damage.

Highest-Quality Roofing Products GAF Shingle System installed by MTB Windows & More of Clear Spring, MD

The GAF Shingles  used by MTB come from the relatively-local GAF plant in Myerstown, PA. The significance is not so much about locale, but that this is GAF’s most up-to-date plant, ensuring the highest-quality product made by the company is the one going on your roof.

More details about GAF Shingle products can be found on the company’s website at

Expert Installation 

The professional roofers at MTB are specifically trained on the proper installation of the GAF Shingle System. While manyClear Spring, MD house with GAF Shingle System companies may claim to have expert installers, MTB makes sure that each employee has the proper education offered by the manufacturer of the products we sell. What better trainer could there be than those who represent the line of products being sold.


Client Testimonial

“I just wanted to take the time to again say thank you for all that you and your people have done. The workmanship is second to none as well as the expertise of the men that you have working for you, which says a lot about you as well as your company.”                         – Bill W. of Boonsboro, MD

For custom home building or adding a major addition to your existing home, visit our parent company’s website at Mt. Tabor Builders, Inc.

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