Irvington, N.J.—April 8, 2026—Manufacturers Reserve Supply (MRS), a leading two-step distributor of
specialty building materials across the Northeast and Mid-Atlantic, announced the expansion of its
partnership with CertainTeed, a subsidiary of Saint-Gobain. Building on the recent launch of RISE Siding,
MRS will now distribute CertainTeed’s well-established Restoration Millwork PVC Trim product line.
This strategic addition strengthens MRS’s exterior product offering and reinforces its commitment to
delivering premium, in-demand materials to its dealer network. Inventory is expected to arrive in MRS
warehouses within the next week, positioning the company to quickly meet existing market demand.
Customers can begin placing orders immediately and are encouraged to monitor availability and pricing
through the MRS Live online portal.


CertainTeed Restoration Millwork PVC Trim is engineered to deliver the authentic look and workability of
top-grade lumber while offering superior performance benefits. The product is low-maintenance, longlasting,
and backed by a 25-year limited warranty. It is resistant to moisture, insects, and UV exposure,
helping it maintain its appearance over time without the need for painting or sealing. Additionally, the trim
features a Class A flame spread classification and meets IRC / IBC and NBCC building code requirements,
making it a reliable choice for a wide range of residential and commercial applications.
“Expanding our relationship with CertainTeed is a natural next step for MRS,” said Brian Boyd, President of
Manufacturers Reserve Supply. “Restoration Millwork PVC Trim fits seamlessly into our exterior product
strategy across roofing, siding, decking, trim, and weatherization. We are excited to bring this high-quality,
trusted product line to our customers and support their continued growth with a dependable supply
partner.”

Anthony M. Diodati, Sr. Sales Director–Two-Step Distribution of CertainTeed added, “We have been
extremely impressed with Manufacturers Reserve Supply’s commitment to first-class distribution
operations. Their team understands the importance of service, availability, and market responsiveness.
Customers who are already committed to CertainTeed Restoration Millwork have expressed strong
enthusiasm about MRS joining our distribution network, and we are confident this partnership will enhance
their overall experience.”
With this expansion, MRS continues to build on its mission to provide best-in-class products, deep
inventory, and responsive service to independent dealers and building material professionals throughout
its footprint.
ABOUT MANUFACTURERS RESERVE SUPPLY
MRS is a premier wholesale building materials distributor, family-owned and operated since 1931. Based in
Irvington, New Jersey, MRS specializes in distributing roofing, siding, decking, weatherization, and trim
products. The company distributes throughout New Jersey, Pennsylvania, Delaware, New York, Connecticut,
and Maryland.
MRS provides building materials retailers with excellent service and superior logistics coordination so they
can gain a competitive advantage in their markets, boost sales, and improve customer retention.
For more information, visit www.mrslumber.com. You may also follow MRS on Facebook
(manufacturersreservesupply), Instagram (mrs_lumber), LinkedIn (manufacturers-reserve-supply-inc), and
Pinterest (mrs_lumber).
ABOUT CERTAINTEED
With innovative building solutions made possible through its comprehensive offering of interior and exterior
products, CertainTeed is transforming how the industry builds. As leaders in building science and
sustainable construction, CertainTeed makes it easier than ever to create high-performance, energy-efficient
places to live, work, and play—so that together we can make the world a better home.
A subsidiary of Saint-Gobain, one of the world’s largest and oldest building products companies,
CertainTeed has more than 6,900 employees and more than 60 manufacturing facilities throughout the
United States and Canada. More information is available at www.certainteed.com.
ABOUT SAINT-GOBAIN
Worldwide leader in light and sustainable construction, Saint-Gobain designs, manufactures, and distributes
materials and services for the construction and industrial markets. Its integrated solutions for the renovation
of public and private buildings, light construction, and the decarbonization of construction and industry are
developed through a continuous innovation process and provide sustainability and performance.
The Group, celebrating its 360th anniversary in 2025, remains more committed than ever to its purpose:
“Making the World a Better Home.”