88 North Hamilton Street, Doylestown, PA 18901


Commercial Roofing

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Our Commercial Services Include:

• Copper, Shingle, and Slate Roofing

• Aluminum and Modified Roofing

• All Flat Roofing

• Rubber Roofing

• Modified Bitumen Roof Systems

• Metal Roof Systems

• Single Ply Systems

When it comes to commercial roof replacement, repairs, or restorations, William Penn Roofing, a local Doylestown Roofer, is a cut above the rest.  Our understanding and experience in dealing with the complexities and challenges when executing commercial roofing installations on your construction projects will benefit your company and satisfy your needs.  Our team is accustomed to working with other companies therefore, you can be sure your daily operations will not be impacted.  By abiding by the industries top standards in safety, and providing professionals with exceptional skills and workmanship, you can rest assured the job will be done the way you expect the first time. Give us a call for any roof repairs in Bucks County. 



Gutter Products And Brands



EPDM (Ethylene Propylene Diene Monomer)

Versatile roofing treatments for all climates.  There are 3 different types of assembly methods ballasted, mechanically fastened, and fully adhered.  The membranes come in two different colors black or white.  

The white membrane is typically used in areas of excessive heat due to its reflective properties, to help cut air conditioning costs.  

The image above is the fully adhered application.


Single Ply Sysytems (EPDM)

• Fully Adhered

• Ballasted

• Mechanically Fastened

• Black/ White Membrane

Asphalt Roofing Sytems

• Asphalt BUR

• Coal Tar BUR

• Modified Bitumen




A very durable and versatile option for commercial applications.  Metal roofs come in a multitude of colors and styles.  All manufactures have their own variations of standing seam styles along with their own names for them.  Among the most popular type of metal roofs are standing seam, batten seam, metal shingles, & metal tiles.

Water Proof / Damp Proofing

• Liquid Applied Systems

• Elastomeric

• Emulsions

• Caulking

Metal Roofing Sytems

• Standing Seam Roof Panels

• Coping & Edge Metal

• Soffit Systems

• Wall Panel Systems

• Gutters & Downspouts

• Curved Panels

• Structural Metal Panels




A fibered aluminum roof coating designed to prolong the life of a flat roof and reflect the sun keeping indoor temperatures cooler and preventing damage from harmful rays.  It is ideal for many commercial flat roof applications.  Silver Coat is also known as Silver Guard & Aluminum Roof Coating, depending on the manufacturer.

Steep Sloped Systems

• Shingles

• Tile

• Cedar Shakes

• Slate

• Ventilation

• Metal Concrete & Clay

• Composite