Project Profiles: Education Facilities

Leon Levine Hall of Medical Sciences, Campbell University, Buies Creek, N.C.

TEAM

ZINC INSTALLER: Baker Roofing, Raleigh, N.C.
ARCHITECT: Little Diversified Architectural Consulting, Charlotte, N.C.

A total of 40,000 square feet of interlocking zinc panels are used on the walls and standing-seam zinc panels are installed on the roof of the building to provide long-lasting durability and an impressive visual aesthetic.

A total of 40,000 square feet of interlocking zinc panels are used on the walls and standing-seam zinc panels are installed on the roof of the building to provide long-lasting durability and an impressive visual aesthetic.

ROOF MATERIALS

A total of 40,000 square feet of interlocking zinc panels are used on the walls and standing-seam zinc panels are installed on the roof of the building to provide long-lasting durability and an impressive visual aesthetic. As North Carolina’s first new medical school in 35 years, Campbell University regards this building as an investment in the state’s future needs for health-care professionals and a modern educational space. Campbell wanted a building with permanence to show its commitment to health sciences in the long term, and zinc provides it with a durable metal that can survive decades of internal and external activities.

ZINC MANUFACTURER: VMZ Interlocking panel in 1-millimeter QUARTZ-ZINC and VMZ Standing Seam panel 1-millimeter in QUARTZ-ZINC from VMZINC

ROOF REPORT

The Leon Levine Hall of Medical Sciences, which was completed in June 2013, consists of approximately 96,500 square feet on four floors. The building is designed to create a modern learning environment with simulation laboratories, traditional laboratories, an osteopathic manipulative medicine lab, student group-study rooms, student interaction areas, a resource library and small café. It hosts the School of Osteopathic Medicine and is designed to provide hands-on education for medical students.

PHOTO: VMZINC

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OMG Roofing Products Releases Video on Installing Thermoplastic Single-ply Membranes

OMG Roofing Products has unveiled a video showcasing how easy it is to install thermoplastic single-ply membranes on standing-seam metal recover projects using the RhinoBond induction welding system.

OMG Roofing Products has unveiled a video showcasing how easy it is to install thermoplastic single-ply membranes on standing-seam metal recover projects using the RhinoBond induction welding system.

OMG Roofing Products has unveiled a video showcasing how easy it is to install thermoplastic single-ply membranes on standing-seam metal recover projects using the RhinoBond induction welding system. The video offers a step-by-step demonstration of the application and highlights the ways the RhinoBond System eliminates the traditional hassles of this type of application, including the following:

  • No special width membrane needed.
  • No membrane to install between purlins.
  • No penetrations of the new membrane.
  • No excess membrane buried in the laps.
  • No membrane orientation issues.
  • No fastener jacking.

Watch the RhinoBond standing seam video.

Project Profiles: Retail/Mixed-use

Outlet Collection at Niagara Niagara-on-the-Lake, Ontario, Canada

Team

DEVELOPER: Ivanhoé Cambridge, Montreal

The largest open-air outlet mall in Canada features approximately 23,000 square feet of PTFE fiberglass membrane walkway canopies.

The largest open-air outlet mall in Canada features approximately 23,000 square feet of PTFE fiberglass membrane walkway canopies. PHOTO: Birdair

Roof Materials

The largest open-air outlet mall in Canada features approximately 23,000 square feet of PTFE fiberglass membrane walkway canopies. The membrane canopies exhibit a flying-mast cone design that provides relief from the elements and creates a signature look for the shopping center.

PTFE, or polytetrafluoroethylene, is a Teflon-coated woven fiberglass membrane that is durable and weather-resistant. PTFE fiberglass membranes can be installed in climates ranging from the frigid arctic to the scorching desert heat with a project life in some cases exceeding 30 years.

PTFE fiberglass coating is chemically inert, and the low-surface free energy of the material results in an electrical-grade fabric membrane that is readily rinsed by rain-water. It is also immune to UV radiation. This combination makes PTFE-coated fabric membrane ideal for projects requiring weather endurance and fire resistance.

PTFE fiberglass is ENERGY STAR- and Cool Roof Rating Council-certified. During scientific tests of its solar properties, it was discovered that PTFE fiberglass membranes reflect as much as 73 percent of the sun’s energy while holding just 7 percent on its exterior surface. Certain grades of PTFE fiberglass can absorb 14 percent of the sun’s energy while allowing 13 percent of natural daylight and 7 percent of reradiated energy (solar heat) to transmit through.

PTFE FIBERGLASS MEMBRANE DESIGNER, FABRICATOR, INSTALLER: Birdair

Roof Report

Located beside the Queen Elizabeth II Highway, less than 20 kilometers from the U.S. border, the 520,000-square-foot shopping center features 102 retailers, including Canada’s first Pandora outlet, White House Black Market outlet and Bass Pro Shops Outpost. Other sought-after brands at the center include a Kate Spade Outlet, NIKE Factory Store, Calvin Klein Outlet and Michael Kors Outlet.

The Niagara Outlet Collection was developed to attract shoppers and visitors who might have otherwise crossed the U.S. border to shop in the Fashion Outlets of Niagara Falls, the Walden Galleria or the Boulevard Mall. David Baffa, Ivanhoé Cambridge senior vice president of retail development, said the developer wants the new outlet collection to be part of the Niagara experience.

Outlet Collection at Niagara is committed to corporate responsibility and environmental sustainability and has a number of design features throughout the property to raise awareness of its green initiatives. Its canopies make the open-air concept possible, reducing energy consumption because the common areas do not need to be heated or cooled. Some of the public buildings, like guest services and the eatery, have been designed so that they can be opened to the outdoors in favorable weather, thus saving energy and connecting people to the outdoors.

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‘Z’ Closure Ventilates Peaks of Standing-seam Metal Roofs

Glick Metals LLC has announced its Snap-Z vented “Z” closure designed for standing-seam metal roof applications.

Glick Metals LLC has announced its Snap-Z vented “Z” closure designed for standing-seam metal roof applications.

Glick Metals LLC has announced its Snap-Z vented “Z” closure designed for standing-seam metal roof applications. The Snap-Z product allows installers to vent the peak of a standing-seam metal roof in such a way that air is allowed to flow but water and snow infiltration are restricted. The Snap-Z is designed to work with 1-inch, open-hem metal ridge caps. It fits between the ribs of standing-seam roof panels. Snap-Z, which is covered by a 20-year limited warranty, comes standard with a matte black finish and is available in 15 additional colors to coordinate with a variety of roof-color offerings. It is available in 1-inch, 1 1/2-inch and 1 3/4-inch heights. Custom lengths may be ordered.

Install Standing Seam over Shingles

McElroy Metal has introduced a method for installing standing-seam metal roofing directly over asphalt shingles without a tear-off.

McElroy Metal has introduced a method for installing standing-seam metal roofing directly over asphalt shingles without a tear-off.

McElroy Metal has introduced a method for installing standing-seam metal roofing directly over asphalt shingles without a tear-off. The system is designed around the patent-pending 138T Shingle Recover Clip and 138T symmetrical standing-seam panel. The main challenges when installing a metal roof directly over shingles with no underlayment are clip alignment and abrasion on the underside of panels. The 138T Shingle Recover Clip is long enough to sit on two shingles, aligning the clip into the plane of the roof. The clip has eight holes so the installer can align the fasteners through the ends of the shingle tabs. The clip’s 3/4-inch height holds the panel up so it does not touch the surface below but allows a contractor to walk on the roof without damaging the clips or panels.

Thin-film PV Provides Greater than 16 Percent Cell Efficiency

MiaSolé has made available its second-generation FLEX Series Modules.

MiaSolé has made available its second-generation FLEX Series Modules.

MiaSolé has made available its second-generation FLEX Series Modules. The CIGS-based flexible thin-film PV modules provide greater than 16 percent cell efficiency for many types of roof applications. FLEX-02W module is 39 by 102 inches, rated at 360 watts and designed for low-slope commercial single-ply roof systems. FLEX-02N module is 14.6 by 102 inches, rated at 120W and designed for standing-seam metal roofs. Both modules bond to the roof surface with a simple peel-and-stick adhesive, which eliminates the need for racking and reduces labor and logistics costs. The FLEX-02 Series modules are IEC 61646, IEC 61730 and UL 1703 certified.

Notch, Slit and Hem Standing Seam

Swenson Shear’s Snaptable PRO can notch, slit and hem standing-seam panels for any commercial, industrial or residential job site.

Swenson Shear’s Snaptable PRO can notch, slit and hem standing-seam panels for any commercial, industrial or residential job site.

Swenson Shear’s Snaptable PRO can notch, slit and hem standing-seam panels for any commercial, industrial or residential job site. The product offers 60-inch slitting and hemming capabilities for standing-seam profiles from 12 to 22 inches. It saves an average of 35 percent in labor costs and is available with a two-year manufacturer’s warranty. In addition, Swenson Shear has spent the last year revamping all product lines to continue to provide the highest-quality metal panel preparation for concealed and exposed fastener panels, soffit and siding, and stone-coated steel.

McElroy Metal Moves into Manufacturing Plant and Service Center in Southeast Texas

McElroy Metal operations in Houston moved into a manufacturing plant and attached service center to better serve its large customer base in southeast Texas.

McElroy Metal operations in Houston moved into a manufacturing plant and attached service center to better serve its large customer base in southeast Texas.

McElroy Metal operations in Houston moved into a new manufacturing plant and attached service center to better serve its large customer base in Southeast Texas.

“We were able to improve efficiencies and increase capacity with the layout in the new manufacturing facility,” says Matthew Edwards, plant manager. “Ultimately, we’re able to turn around orders substantially quicker.”

The new manufacturing plant is 30,000 square feet and the service center is a 9,000-square-foot facility. The move was completed in early 2015 and the company celebrated with an open house.

Edwards says McElroy Metal customers doing business at the Houston Service Center are installing residential and architectural roofing as well as working on commercial projects. To serve these customers, the new service center, managed by Bill Harris, features most McElroy Metal profiles, including the 138T and 238T symmetrical standing seam profiles. The service center stocks large quantities of 24-gauge flat sheets in 29 colors, hardware and accessories and is set up to service walk-in customers of small, medium and large operations. With the convenience of being attached to the plant, large orders can be produced and delivered quickly.

The Houston facility also offers onsite roll forming with its purpose-built, fully self-contained truck, “Straight Shooter.” Designed to site form panels directly onto the roof, Straight Shooter can reach eave heights upwards of 30 feet and run continuous length panels up to 200 feet long. This unique service offers the 138T and 238T symmetrical standing seam panels, as well as 2-inch Maxima standing seam panels, a wide service area and the additional option of onsite curving.

Galvalume-coated Metal Roofs Will Last at Least 60 Years with Minimal Component Repair

The term “infrastructure sustainability” continues to gain importance because of rapidly increasing building infrastructure components around the country needing major repairs and/ or replacements. Consequently, roof maintenance or replacement materials and methods must last at least 60 years; consider LEED v4 from the Washington, D.C.-based U.S. Green Building Council. For more than 30 years, millions of square feet of Galvalume-coated roofs have resisted the atmospheric conditions to which they are exposed with little or no maintenance and are well prepared to continue protecting building interiors for more than 30 additional years. Material science and professional project engineering and installation prove Galvalume-coated metal standing-seam roofs will perform for that period of time.

This is a nine-year-old painted Galvalume roof in Alabama.

This is a nine-year-old painted Galvalume roof in Alabama.

MATERIAL SCIENCE

The first standing-seam metal roof was introduced by Armco Steel Corp., Middletown, Ohio, at the 1932 World’s Fair in Chicago. Armco Steel ceased doing business many years ago, but its standing-seam metal roof design has been adopted by all manufacturers in today’s commercial metal roofing market. The second longest-lasting introduction into this market was in the early 1970s when Bethlehem, Pa.-based Bethlehem Steel introduced a Zinc/Aluminum coating—now known as Galvalume—for carbon-steel metal roofs. This coating, applied to both sides of the steel coil, has been successfully used for the majority of metal standing-seam roofs ever since.

Since Galvalume was introduced, there have been several evaluations, reports and predictions as to how this product would “weather” the test of time. In 2012, the Chicago-based Metal Construction Association (MCA) and Olympia, Wash.-based Zinc Aluminum Coaters Association (ZAC) commissioned a study to perform forensic tests at 14 existing Galvalume standing-seam metal roof sites throughout the country in varying climates and precipitation pH. The average age of these roofs was more than 30 years at the time of testing.

Initially, the sites were selected based on temperature and humidity zones throughout the U.S. As the field results were processed, however, it became apparent the expected lives of these roofs were directly dependent on the precipitation pH levels with very little correlation to temperature and humidity. The building sites chosen were located in the following states:

  • Massachusetts (2 sites)
    This Galvalume roof in Missouri is nine years old.

    This Galvalume roof in Missouri is nine-years old.


    Ohio (3 sites)
    South Carolina (2 sites)
    Georgia (1 site)
    Colorado (1 site)
    New Mexico (1 site)
    Arizona (1 site)
    Oregon (1 site)
    Wyoming (2 sites)

The study was directed by MCA and three independent consultants and their firms, which managed and performed the field work: Rob Haddock of Metal Roof Advisory Group, Colorado Springs, Colo.; Ron Dutton of Ron Dutton Consulting Services LLC, Annapolis, Md.; and me and my firm Metal Roof Consultants Inc., Cary, N.C. This group, plus Scott Kriner, MCA’s technical director, authored the actual report, which was issued by MCA and ZAC in November 2014 and is available online.

The team harvested and analyzed actual field samples of Galvalume-coated metal standing-seam roof panel materials and sealants and examined all the individual roofs’ ancillary components. Finally, it created an experienced assessment of the roofs’ conditions and associated costs to replace.

PHOTOS: METAL ROOF CONSULTANTS INC.

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Fall-protection Attachment for Standing Seam

Fall Protection Distributors LLC has released its SSRA1, a patented, non-penetrating life-saving device.

Fall Protection Distributors LLC has released its SSRA1, a patented, non-penetrating life-saving device.


Fall Protection Distributors LLC has released its SSRA1, a patented, non-penetrating life-saving device. It consists of a solid 6061-T6 aluminum body with 12 stainless-steel set screws. The standard assembly also includes a 5,000-pound certified d-ring for single-man attachment. The SSRA1 weighs 4 1/2 pounds and installs with basic hand tools. It can be used for temporary or permanent attachment without penetrating standing-seam panels. The design, which works on more than 500 standing-seam panel profiles, allows for attachment of devices from various fall-protection manufacturers.