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Learn about Our Minnesota Commercial Roofing Experts

Roofing technology is constantly changing, with the development of new coverings, insulation materials, and innovative application techniques. Commercial clients demand a roofing contractor that has the expertise and knowledge to ensure quality installation that lasts. Integrated, high-performance building materials and systems of proven capability installed by skilled professionals are essential to provide optimum roof performance, maximum life cycle and cost advantage. Berwald installs only commercial roofing systems from major manufacturers with proven track records of the highest standards. If you must repair an existing roof, let a representative from Berwald evaluate your roof and make recommendations with custom specifications to fit your needs. We will remove the old membrane and dispose of it according to local and federal regulations. We will handle all removal of existing plywood or sheathing and do all the flashing, plumbing and mechanical work to ready your building for a new membrane. We offer the following roofing systems to our commercial roofing clients:

Built-Up Roofing Systems

A very popular roofing system in the midwest, built-up roofing offers great protection at a reasonable cost. A system of multiple layers of roofing felt are adhered with either hot asphalt or cold-application cement, and surfaced with various materials. Upon inspection Berwald will make recommendations regarding the correct materials and techniques for your roofing project, or work according to architectural plans. We work with the following manufacturers for built-up roofing projects.
  • Johns Manville
  • Garland
  • G.A.F.
  • Tremco

Single Ply Membranecns_0020

As the name implies, single-ply systems utilize a single layer of high-tech roofing material to cover your roof. Materials used include:
  • EPDM – an elastomeric rubber roofing membrane.
  • PVC – an energy efficient, fiber-reinforced, lightweight roofing membrane.
  • TPO – a high quality, reinforced membrane with superior tear strength and stability.
Your membrane will be attached in one of three ways:
  • Fully adhered system – An adhesive that firmly secures the membrane to the substrate.
  • Mechanically Attached System – special fastening plates are placed in various patterns based on building height, geographic locale, deck type and building usage.
  • Ballasted System – loose gravel or interlocking pavers keep the membrane in place.
We work with the following manufacturers for single-ply roofing projects.
  • Johns Manville
  • Carlisle
  • Firestone
  • Sika Sarnafil
  • Duro-Last
  • Versico

1Standing Seam Metal Roofing

A standing seam roof is constructed of interlocking panels running vertically from the top of the roof to the eave. The interlocking seam where two panels join together is raised above the roof’s flat surface, allowing water to run off without seeping between panels. Standing Seam Metal Roofing is increasing in popularity every year due to its unmatched durability and investment value. We work with the following manufacturers for architectural metal roof projects.
  • Firestone Una-Clad
  • Coated Metal Group Ultra-Clad
  • Peterson Aluminum Pac-Clad
  • Berridge Manufacturing
  • Ryerson ColorKlad & AlumaKlad
  • Merchant & Evans Inc. Zip-Rib
  • Centria

Sloped Roofs

OLYMPUS DIGITAL CAMERA Besides Standing Seam Metal Roofing there are a wide variety of roofing options that have been in use for centuries. Berwald offers the following options for sloped roofing materials:
  • Metal
  • Slate
  • Tile
  • Cedar Shakes
  • Shingles
While working with the following manufacturers:
  • Certain Teed
  • Owens Corning
  • Ludowici Roof Tile
  • EverGreen Slate Company
  • WesTile
  • Vande Hey Raleigh Tile

Manufacturers We Work With



Trust Berwald Roofing, Minnesota's experts in roofing, sheet metal, and wall panels with your project, no matter the size.

2440 Charles, St N
Saint Paul, MN 55109

Phone: 651-777-7411

Fax: 651-777-1371