Roofing & Siding

Roofing, siding and exterior trim not only define the look of your home, they add protection, energy-efficiency, and peace of mind. We carry a variety of roofing materials, shingles and rain gutters, as well as a wide array of exterior trim and siding options to complete any project, large or small.

Greenville
11513 Route 32
Greenville, NY 12083

Store Hours
M-F: 7am-5pm
Sat: 8am-4pm
Sun: 9am-2pm

December 25th & 26th (Christmas): Closed
New Year's Day: Closed

Windham
5477 Route 23
Windham, NY 12496

Store Hours
M-F: 7am-5pm
Sat: 8am-2pm
Sun: Closed

December 25th & 26th (Christmas): Closed
New Year's Day: Closed

Latham
898 New Loudon Road
Latham, NY 12110

Store Hours
M-F: 9am-5pm
Sat: By appointment only
Sun: Closed

December 25th & 26th (Christmas): Closed
New Year's Day: Closed

*Early and late hours available by appointment.

Meet the Experts

Alex Vincent

Alex is our Inside Sales representative in Latham. She spent many years working in construction and loves to help her clients create their dream homes. Alex will bring your remodeling visions to life and help you plan the logistical details as well.

Tom Howley

Tom Howley has been in the construction and building supply industry since 1986. He easily coordinates projects with architects, builders, and homeowners alike, from initial design to completed projects.

Rob Brousseau

Rob is an Outside Sales rep based in Windham. A Master Carpenter and former builder, he has designed and built many houses. He loves seeing new designs and projects come together. When not at GNH, Rob collects guitars and spends time with his family.

Matt Oliveri

Matt is one of our Outside Sales representatives based in Windham. He's been with the GNH team since 2007. Matt is not only knowledgeable - he's friendly and dedicated to being a helpful resource.

Edward Curtin

Ed is the Store Manager of our Latham location. He assists builders and contractors with a wide range of projects drawing upon his extensive experience in the building material industry.

Dominick Multari

Dominick Multari has been with the GNH Team since January 2008. As our Greenville location Store Manager, his 26 years of experience in the industry and knack for problem-solving make him an asset to customers. Contact him today to get started.

James Hermance

James is the Division Manager of our Windham location. He began working in the building material industry in 2003. A Rotarian and Member of the A.O.H. he enjoys working with his customers and helping their vision become reality.

Trusted Brands

Find name brand products for your home.

LP Building Products

LP® SmartSide® Trim & Siding offers the warmth and beauty of traditional wood with the durability of treated engineered wood.

Cultured Stone Veneers

Cultured Stone Veneers

Stone adds beauty, value and maintenance-free performance. You can expect the finest quality from the company that has led the industry in innovation for more than 50 years.

McElroy Metal Roof

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.

Union Corrugated – Residential Metal Roofing

Union Corrugated residential metal roofing products are more durable, efficient, and sustainable, which will save you money.

Centurion Trimboards

Centurion Trimboards

TruCore® protected Centurion™ boards are highly resistant to rot, decay and termite damage when used as recommended and are backed by Claymark’s 50 year written limited warranty.

Versatex Trimboard

VERSATEX was founded in 2004 by building industry professionals dedicated to bringing quality building products to the marketplace.

Tando Composite Siding

Tando takes the very best of two great brands - Novik and Exteria - and brings them together to meet the evolving needs of the professional installer, remodeler and home builder.

Ply Gem Vinyl Siding

If you’re looking for a beautiful, durable, virtually maintenance-free siding choice, Ply Gem vinyl is your choice.

AZEK Siding and Trimboard

AZEK Trim and Siding has enduring beauty that will compliment your home with low-maintenance performance.

Diamond Kote Siding

Diamond Kote creates its siding utilizing engineered wood which is treated with SmartGuard® to withstand extreme temperatures, humidity, freezing and thaws.

TimberTech Porch and Deck Boards

TimberTech's high-performance, capped-polymer porch boards are designed with a tongue-and-groove system so that there’s minimal gapping between boards.

Maibec Wooden Shingles

As the recognized benchmark for quality in our industry, Maibec shingles can be used to enhance the original beauty of your home, emphasize its architectural details.

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.

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.

What Our Clients are Saying about GNH Lumber

—Donald Morgan

Charlotte did a great job at the windham gnh helping with a paint issue, and helping me pick out the right paint for the job. —Justin Mudge

Great product selection and customer service. —Harvey Benjamin

Helpful Articles

Looking to improve your home’s appearance? Browse our articles on exterior home maintenance.

Benefits of Metal Roofing

6 Colorful Ways to Compliment Neutral Trim & Siding

How to Clean and Maintain Your Home’s Exterior Siding

Design Smarter with LP SmartSide Exterior Home Siding!

How to Harmonize Your Home Exterior’s Color Palette

Painting for Resale: Neutral Palettes

DIY: How to Clean, Repair, and Protect Gutters

How to Pick House Paint Colors for Curb Appeal

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