Resuscitate Metal Roofs and Walls with a Reflective Restoration Coating

“Roofers’ Choice” was determined by the product that received the most reader inquiries from the July/August 2014 issue’s “Materials & Gadgets” section.

The Garland Co. Inc. recently introduced its CPR System, a highly reflective, low-odor, synthetic liquid rubber membrane designed to waterproof and restore existing metal roof and wall panel systems, delaying costly roof replacement and improving the overall performance of the roof system.

The Garland Co. Inc. recently introduced its CPR System, a highly reflective, low-odor, synthetic liquid rubber membrane designed to waterproof and restore existing metal roof and wall panel systems, delaying costly roof replacement and improving the overall performance of the roof system.

The Garland Co. Inc. recently introduced its CPR System, a highly reflective, low-odor, synthetic liquid rubber membrane designed to waterproof and restore existing metal roof and wall panel systems, delaying costly roof replacement and improving the overall performance of the roof system.

This lightweight, multi-layer waterproofing system will only add one-fifth of a pound per square foot to existing roof systems when completed, eliminating the time and cost associated with engineering a new roof system. The CPR System provides resistance to UV damage and deterioration caused by weathering by forming a rubber-like monolithic membrane over the entire surface. It is designed for application to properly prepared stainless steel, galvanized metals, Galvalume-coated metals, copper, aluminum and Kynar-coated metal roof systems.

According to Tom Stuewe, a Garland product manager: “The CPR System is the answer for building owners or facility managers who don’t have the budget for a replacement but need to extend the life of their roof system. The ease of application makes it ideal for in-house maintenance use, and its cold-process, low-odor formulation allows restoration projects to proceed with minimal disruptions to building operations and occupants.”

The CPR System is available in brush-or-trowel-grade versions and can be easily applied over sloped, contoured surfaces. When properly installed and maintained, this system can provide an additional 10 to 15 years of service life.

PHOTO: THE GARLAND CO. INC.

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Call (800) 321-9336

Membrane Restores Existing Metal Roofs

The Garland Co. Inc. has introduced its CPR System, a highly reflective, low-odor, synthetic liquid rubber membrane designed to waterproof and restore existing metal roof and wall panel systems.

The Garland Co. Inc. has introduced its CPR System, a highly reflective, low-odor, synthetic liquid rubber membrane designed to waterproof and restore existing metal roof and wall panel systems.

The Garland Co. Inc. has introduced its CPR System, a highly reflective, low-odor, synthetic liquid rubber membrane designed to waterproof and restore existing metal roof and wall panel systems. The lightweight, multi-layer waterproofing system will add 1/5 pound per square foot to existing roof systems when completed. It can be applied to properly prepared stainless steel, galvanized metals, Galvalume-coated metals, copper, aluminum and Kynarcoated metal roof systems. It is available in a brush- or trowel-grade version and can provide an additional 10 to 15 years of service life.

Project Profiles: Health Care

MASSACHUSETTS GENERAL HOSPITAL, BOSTON

TEAM

Roofing contractor: Chapman Waterproofing Co., Boston
Architect/engineer: Cambridge Seven Associates Inc., Cambridge, Mass.
Membrane and waterproofing manufacturer: Kemper System America Inc.

Massachusetts General Hospital, Boston, features a Kemperol waterproofing and roofing membrane for its green roof.

Massachusetts General Hospital, Boston, features a Kemperol waterproofing and roofing membrane for its green roof.

ROOF MATERIALS

The Kempertec EP-Primer was used to prepare the substrate surfaces for membrane installation and served as a temporary waterproofing system, allowing the project to be exposed to the harsh New England winter while it was completed in phased stages.

The owners chose the Kemperol waterproofing and roofing membrane, a two-component with catalyst, high-performance, seamless and self-terminating cold-fluid-applied reinforced unsaturated polyester system. The monolithic edge-to-edge rot- and root-resistant Kemper membrane is engineered to resist degradation from UV exposure and heat intensity and is resistant to most common chemicals.

ROOF REPORT

Founded in 1811, Massachusetts General Hospital is the third oldest general hospital in the U.S. and the oldest and largest in New England. The 900-bed medical center offers sophisticated diagnostic and therapeutic care in virtually every specialty and subspecialty of medicine and surgery. When MGH’s owners envisioned constructing a new 9,000-square-foot green roof above the MGH cancer wing, they had two chief concerns: safety and long-term durability.

The landscaped roof design includes four different gardens with extensive shrubbery, trees and grass designed to provide cancer patients with a haven for relaxation and meditation to aid in the healing process.

A key challenge concerning the hospital’s green roof was its hundreds of penetrations, spaced inches apart, for a sprinkler system to irrigate the landscaped roof. A leak-detection system was installed across the entire square footage of the project to detect water before it seeps into the interior of the building. The leak-detection system confirms the project’s seal-tight success. Upon completion, Kemper System provided a 20-year, no-dollar-limit warranty.

PHOTO: KEMPER SYSTEM AMERICA INC.

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