Our Suppliers

RMW Exteriors has built an extensive network of relationships with the best suppliers in the exterior renovation and remodelling industry. Below is a list of the companies we work with.

Click on a product type to quickly find what you’re looking for:

*Note: Many suppliers offer a number of exterior products. Please visit the manufacturer’s website for details.



Quality-crafted with attention to detail, Gentek products combine outstanding beauty and strength with the luxury of a low-maintenance finish. Backed by more than 50 years of manufacturing expertise, Gentek’s commitment and never-ending ambition is to produce the very best building materials — products deserving of our good name and worthy of the place you call home.

RMW Exteriors has earned the distinction of a Gentek Premium Renovator.


Kaycan products offer unparalleled performance and multiple colour and design options with aesthetic and functional integrity. Great care has been taken to ensure that your home will maintain its beauty and durability for years to come.


CertainTeed is the world’s largest building products company and a leading brand of exterior building products including siding, roofing, decking, trim, gypsum, and more. Combine their industry excellence with terrific customer service and that’s why we’re proud to support the work of CertainTeed.

James Hardie

Siding is exposed to Mother Nature all day, every day, for years. Weather, water, time, and pests can all lead to trouble. That’s why James Hardie’s hardworking products are engineered to stand up beautifully, whatever the elements.

RMW Exteriors is a James Hardie ambassador and is a preferred installation company in Southwestern Ontario.


Maibec is a North American benchmark for residential and commercial integrated siding systems. Their complete range of innovative and complementing siding products offer superior and proven quality.


Longboard offers aluminum soffit and siding in a wide range of woodgrain and solid colour finishes. Longboard offers non-combustible products impervious to insects and a 15-year non-prorated finish warranty.


AL13 products are easy to use, making them more cost efficient while reducing installation times. The panel systems do not require prefabrication and can be installed on any type of structure.

Agway Metals

For over 40 years, Agway Metals guarantees that every steel solution it delivers exceeds the expectations of the customer. Agway Metals offer a wide range of product lines focused on residential, agricultural, industrial, commercial, and institutional market applications.

Foundry Specialty Siding

Foundry makes it possible to get the warm look and beautiful colours of cedar without the high maintenance. Elevate the curb appeal of your home with a wide variety of shingle, shake, and stone siding in styles that deliver character and charm.

Royal Building Products

Exterior design doesn’t happen by itself. That’s why Royal Building Products has high-profile, low-maintenance siding, trim, and decking for every kind of home.


Whether you use Tando in conjunction with other exterior materials like natural wood, fibre cement, stucco, or vinyl — or you use it exclusively — Tando delivers unmatched realism, unlimited creativity, and unequaled moisture management.


Choosing Everlast siding means decades of virtually no maintenance for owners. An occasional light wash to remove any dust or dirt is all that’s needed to help maintain Everlast’s original luster. Unlike fibre cement or wood, Everlast does not need to be painted* or caulked. Everlast helps you to avoid common problems like these and helps to keep your home’s exterior beautiful, for life.

Fraser Wood Siding

Providing uncompromising quality, and exceptional beauty of products such as classic siding, evolution siding, classic shingles, estate shingle, and trim.

Cape Cod Finished Wood Siding

Providing quality trim, shingles, and siding, Cape Cod Finished Wood Siding is a name that evokes an image of warmth, tradition, and permanence. With Cape Cod, you will enjoy the benefits of natural wood with a low-maintenance finish that adds appeal and value to your home.


Vicwest is known for their durable steel roofing and steel cladding products. Vicwest is the leading supplier of quality exterior building products across North America.

Cedar Shingles Direct

Cedar Shingles Direct offers products that are beautiful, affordable, and easy to install. Offering many different colour options of cedar shingles and panels for a variety of uses.



Alu-Rex is a company that works to fix homeowners’ problems with gutters and water management, as well as making home exterior maintenance easier.

Buchner Manufacturing Inc.

Buchner Manufacturing Inc. is a major manufacturer of exterior building products for distributors, contractors, and homeowners across Canada and around the world.

Columns & Railings


HB&G offers a wide variety of porch and outdoor living products to help you create the design that best suits your way of life. Their products are low-maintenance and come with a manufacturer’s backed warranty.


Choose the railing product that best complements your home or cottage. From their signature Regal Aluminum Railing and luxury CrystalRail, to blending in with nature with Regal ideas Wood In-Fill products, they have the right solution for your railing.


Imperial has a terrific reputation as aluminum railing, column, and fencing providers. Their products offer long-lasting durability and easy installation making them a great choice for any project.

Windows & Doors

Lepage Millwork

Their high-quality materials and masterful assembly techniques are what make buying a Lepage product such a sound investment. At every step of the manufacturing process, Lepage uses only the best components and practices available. Built specifically for each customer, their products are made according to each project’s needs and specifications — not mass produced.


The Novatech Group manufactures entrance doors, door glass, patio doors, retractable screens, and custom sealed glass. They offer high-quality products designed to improve the customer’s residential experience, with a range of architectural products for the residential market.

Golden Windows Ltd.

Golden WIndows has been manufacturing premium quality doors and windows in Kitchener, Ontario since 1961. They provide a large selection of wood, vinyl, and clad windows and doors that will be sure to match whatever style designs you have in mind.

Strassburger Windows and Doors

Based out of Kitchener, Ontario since 1949, Strassburger has been producing state-of-the-art windows and doors, and providing an exceptional customer experience to dealers across the province.

Greenview Windows and Doors

Greenview was founded in 1946 and, many decades later, they still have one goal in mind: to create beautiful windows and doors using the latest technology. Greenview combines tradition and innovation to deliver a product we’d be proud to install in your home.

Sunview Patio Doors Ltd.

Based out of Woodbridge, Ontario, Sunview’s vinyl and metal manufacturing processes are state-of-the-art. They offer superior quality and Low-E glass for exceptional energy efficiency.


Spectis Moulders Inc.

Spectis Moulders provide high-quality polyurethane architectural products for the building and construction industry.

Alexandria Moulding

Alexandria Mouldings is one of the leading moulding manufacturers and distributors of wood and wood composite mouldings in the world. Alexandria Mouldings purchases products from sustainable, managed forests — this makes choosing them an easy decision for the environmentally-conscious consumer.

Retractable Screens

Stoett Screens

Stoett Screens manufactures custom retractable patio shades, retractable screen doors, and retractable window screens. They make retractable screens in every shape and size, to create the perfect screen for your garage, window, door, patio, entryway, or any other area around your home or commercial property. Stoett Screens can even create custom screens to complement the styles of historic districts, condo associations, restaurants, and hotels.



Mulco is our preferred sealant for almost every project. From home to industrial projects, we know that Mulco products have a great reputation and a long-lasting durability.

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