Werkheiser Painting and Roofing Since 1974

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A roof that is nearly level or slightly pitched is called a low-slope (flat) roof. No roof should be dead level flat; it must have at least a slight slope to drain! There are several options available when it comes to low-slope roofing. Material and application type can vary depending on a number of factors and Werkheiser will be happy to assess your roof on site and present you with viable solutions tailored to your projects unique details.




Single-ply roofs are installed in three basic ways: fully adhered, mechanically attached, and loose laid with ballast. If properly installed and properly maintained, a single-ply roof should last 20 years.

EPDM has been in use on roofs in the USA since the 1960's and is one of the most common types of low-slope roofing materials. This is because it is relatively inexpensive, simple to install, and fairly clean to work with when compared to conventional built-up roofs. There aren't the odors and fumes that accompany built-up roofs which appeals to many home and business owners.

Based on ethylene propylene diene monomer, the versatile membrane offers a variety of installation options including fully adhered, ballasted or mechanically attached that deliver superior long-term weather ability and exhibit exceptional wind uplift resistance.



Modified roofs vary greatly in life span, but those used in residential buildings usually last about 20 years, depending on their quality, exposure, and the adequacy of their drainage.

Firestone APP Modified Bitumen and SBS Roofing Systems are available in a variety of thicknesses in smooth and granule surfaces. All Firestone APP membranes are reinforced with a tough, non-woven polyester mat. For new or re-roof applications, Firestone APP offers superior membrane performance and may be installed by heat welding or with cold-applied adhesives.



Flat pans. Batten seam. Standing seam. Classic beauty and functionality all in one!



This self-adhering membrane system eliminates the need for open flames on your roof.

Unlike conventionally-applied systems, eliminates the fumes and odors caused by hot asphalt or solvent-based adhesive

Free ltd. warranty against material defects for up to 15 years

Extended guarantee available. Optional full system guarantee against manufacturing defects and workmanship errors available for up to 20 years—includes replacement materials, installation labor, and tear-off/ disposal (if necessary)

Backed by GAF Materials Corporation, North America’s largest roofing manufacturer  



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