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Exterior Building Supply

You only get one first impression. Get the best building supplies at GNH Lumber!
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Exterior Products
 
Exterior Building products from GNH Lumber

Building Products of Canada - Interlocking Shingles

These shingles create a protective blanket on the roof, making this shingle ideal for shiplap (tongue-and-groove) decks or for roofing over existing shingles. Built to resist wind uplift, this attractive interlocking shingle is a good value and performance.

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Composite Decking

TimberTech - Decking

TimberTech is low maintenance, safe, durable, and can even increase the value of your home. TimberTech products maintain their color and beauty for years without the work of painting, staining or sealing. And, because it resists mildew, warping and insects, there’s no need to replace rotting, uneven or termite-damaged boards.

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Garage Doors

Clopay Garage Doors

Clopay is America’s leading garage door manufacturer, offering a complete line of residential garage doors that are not only an integral part of your home’s style, but are durable and reliable too.

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Roofing

McElroy Metal Roofing

The Standing Seam Roof System combines the style and beauty of an architectural product with the load handling characteristics of a structural roof system. The long service life, aesthetics, as well as savings in labor and energy costs are among the reasons given for choosing metal roofing.

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