Curtis-McKinley Roofing and Sheet Metal, Inc. is licensed to install
roofing systems from the following manufacturers and is qualified to
install any system available.

Johns Manville, a Berkshire Hathaway company, is a leading manufacturer and
marketer of premium-quality building insulation, commercial roofing, roof insulation, and
specialty products for commercial, industrial, and residential applications. Johns Manville
Roofing Systems are dedicated to meeting your roofing challenge with the industry's most
extensive list of low-slope roofing solutions. Our portfolio of roofing systems includes a
complete line of single ply, built-up and modified bitumen membranes, including Cool Roof
solutions. They are complemented by quality thermal insulations, cover boards, adhesives,
cements, roof coatings and specialty roofing products.

CertainTeed Roofing is a leading manufacturer of low-slope and steep-slope roofing
products for commercial, industrial, institutional and residential roofing and waterproofing
applications.  CertainTeed has served the roofing industry for over 100 years, establishing a
solid reputation for quality, reliability, and technical innovation.

GAF Materials Corporation has grown to become North America’s largest manufacturer of
residential roofing (sold under the GAF-Elk brand) and commercial roofing (sold under the
GAF brand). Professional installers have long preferred the rugged, dependable
performance that only a GAF roof can offer, and have made it the #1-selling brand in North

For more than 35 years,
Siplast has been a leader in the development and manufacture of
the world's most advanced roofing and waterproofing systems. A member of the Icopal
Group, one of the world's largest commercial roofing manufacturers, Siplast has a history of
innovation. In the late 1960s, Siplast Research and Development, working in conjunction with
Shell Chemical of Europe, developed SBS (styrene-butadiene-styrene) modified bitumens.
We found that by properly modifying asphalt with SBS, we could produce a highly durable
elastomeric blend with exceptional elongation/recovery properties over a wide range of
temperatures. There are Siplast roofs applied in the early years of our SBS blend that are
still in service today. Since then, Siplast Engineered Roof Systems have been applied over
all types of deck constructions, in the extremely varied weather conditions of more than 40
countries. Over the years, Siplast SBS-modified bitumen roofs have changed the least,
lasted longer, and performed better than anyone else's.

Sika Sarnafil's world-class roofing and waterproofing membranes are your source for
peace of mind. Sika Sarnafil is dedicated to creating roofing products that last -- quality
that's evident in the durable roofing and waterproofing systems we produce in the United
States for the North American market.

TAMKO Building Products, Inc. is the nation’s leading independent manufacturer of
residential and commercial roofing products, waterproofing, composite decking and railing
systems, and cements and coatings. With more than 60 years in the industry, TAMKO’s
success is the direct result of teamwork, enduring relationships with customers, suppliers
and employees, and its commitment to Six Sigma continuous quality improvement with its
foundation based on the total quality management principles of Dr. W. Edwards Deming.

For over 75 years,
Tremco Incorporated has been the leading innovator and provider of
roofing and weatherproofing solutions. Tremco offers the most comprehensive roofing and
weatherproofing solutions for new construction, roofing maintenance, replacement solutions,
restoration and repair services, and roofing materials in the industry.

Duro-Last® Roofing, Inc. manufactures a custom-prefabricated, reinforced, thermoplastic
membrane roofing system that is ideal for any flat or low-sloped application. Extremely
durable and easily installed by authorized contractors without disruption to daily operations,
the Duro-Last single-ply roofing system is also leak-proof, resistant to chemicals, fire and
high winds, and virtually maintenance-free. Over a billion square feet of Duro-Last membrane
have been installed on all types of commercial and industrial buildings throughout North

Carlisle Commercial Roofing Systems
After more than 40 years of single-ply experience, 250,000 warranted installations and
membrane square footage sales in excess of 9 billion, Carlisle can provide what no other
manufacturer can - unmatched Experience, Innovation and Stability. From manufacturing our
own EPDM, TPO and adhesive products to our field experience, roof system designs and
unsurpassed warranty assurance, our mission is to provide the best long-term roofing
solutions for any commercial/industrial application.

Contractors, building owners, architects and specifiers have trusted
Firestone Building
as the leading, single source for superior commercial roofing systems for nearly
30 years. Today, we operate manufacturing facilities throughout North America, producing
single-ply and asphalt-based roofing membranes, polyiso insulation, and a full line of roofing
accessories. From research and development through product manufacturing, we follow
stringent quality control guidelines to ensure each component of a Firestone Roofing System
meets or exceeds industry standards. And, our environmental policy impacts our
commitment to quality manufacturing. In addition to superior roofing products, we offer
installation expertise and product support through our contractor services department and a
worldwide network of roofing contractors, distributors, and field sales representatives.

MBCI is the industry leading manufacturer of metal roof and wall systems, including six
separate standing seam roofing systems. MBCI has always and continues to provide the
metal construction industry with the highest quality products and services available to
architects, owners and contractors.

Berridge Manufacturing Company has been in business for more than thirty years and
distributes its products worldwide. Berridge specializes in research and development of new
architectural sheet metal products. Many similar products listed in Sweet's Catalog have
been designed and developed by Berridge Manufacturing Company. The unique Berridge
Total Program, which includes a full range of precision tolerance portable roll forming
machines, painted coil and flat sheet, twenty-nine different factory products, all backed by
technical and marketing support, has placed Berridge in the forefront of the architectural
metal panel industry.

Petersen Aluminum Corporation was founded in 1965 as a metals service center to the
architectural metal industry. At Petersen we strive to provide products of the highest possible
quality within reliable, dependable lead-times. Our strong national sales base allows PAC to
maintain large inventories and cost economies to our customers.

Since 1963,
McElroy Metal has served the construction industry with quality products and
excellent customer service. Today, McElroy has ten manufacturing facilities and twenty
service centers across the United States. McElroy Metal's architectural division is focused
on helping the architectural and design community find solutions in metal.

DERBIGUM made its introduction to the United States roofing market in 1979 when a group
of roofing contractors-turned-investors purchased the marketing and manufacturing rights to
DERBIGUM in North America. Known then as DERBIGUM America Corporation,
DERBIGUM offered American building owners a durable alternative to failing built-up roofs
and flimsy
EPDM and PVC single ply membranes. Its success and acceptance was

DERBIGUM is an undisputed industry leader. With 350 employees worldwide, the
company is present across the United States, Europe, Africa and Asia. Three production
sites – two in Belgium and one in the US – turn out over 161 million square feet of
DERBIGUM membranes and 77 million lbs of liquid products annually.
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