Warehouse Hours: 7:00am - 3:30pm Mon - Fri

Since 1981, Alan Kunsman Roofing & Siding Supplies has been providing superior customer service and product selection to contractors and homeowners in the Lehigh Valley. We are proud to offer a comprehensive inventory of steep roofing, flat roof materials, and siding supplies, beyond what is typically available elsewhere, at competitive prices. Let our knowledgeable sales staff help you find the supplies you need and get your project done today.

Roofing Supplies

As the only supply house in the Lehigh Valley to cut sheets of EPDM, we also carry all of the flat roof materials and accessories needed to complete your next flat roofing project. Any size order, from a half pound of roof nails to a truck load of insulation, all of the roofing materials you need are only a phone call away (484-821-1609). Our fully stocked warehouse has flat roof materials and steep roofing products, readily available at competitive prices. We can assist you in loading your truck or even crane it to the roof at your job site.

A summarized list of professional grade products available to you:


Shingle/Slate Products


 Felt underlayment, Ice & Water Shield, high-performance underlayment

 Vent pipe flanges

 Ridge vent



 Slate: Natural and Synthetic


Flat Roof Materials - Asphalt


 Base sheets

 Modified Bitumen

 Roof cement

 Flashing and adhesive

 Hot asphalt


Flat Roof Materials - Rubber/ TPO

 EPDM membrane (reinforced and non-reinforced sheets), cut to order


 Fasteners and plates






Siding Supplies

The ability to purchase all of your siding, soffit, fascia, window and door needs at a single location and at competitive prices can give you the edge you need to get the job done right and on time. Let the staff at Alan Kunsman Roofing & Siding Supplies help you with your next project.

A summarized list of professional grade products available to you:


 Mitten, Wolverine, CertainTeed siding, soffit and accessories

 ATAS Pittsburgh-Lock soffit

 Trim coil

 Caulking and fasteners


 Underlayment and insulation



Seamless K-Style Gutters, Half-Round Gutters, Downspouts & Accessories

One of the first supply houses in the Lehigh Valley to offer job site delivery of seamless 
5” k-style gutter, Alan Kunsman Roofing & Siding Supplies has continued to lead the supply industry by offering job site delivery of both 5” and 6” k-style gutter since 2000.

With over 15 colors of stock k-gutter and downspout to choose from, the ability to deliver materials to your next job site is only a phone call away. To assist you in making your next home improvement project easier, we also stock a full assortment of copper, aluminum, and galvanized half-round gutter, downspout and accessory items needed to successfully complete your next gutter job.


Open to the General Public

Open 5 days a week, Monday through Friday, and conveniently located between Bethlehem and Easton, our fully stocked warehouse is available to the DIY roofer. You no longer have to endure searching for materials or hoping for real help at a big box store. Let our reliable, experienced, knowledgeable sales staff help you get what you need and take the pain and confusion out of your next home improvement project.

© Alan Kunsman Roofing 2019

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