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How Poly-ash Siding and Trim Responds to Exterior Innovation Trends

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How Poly-ash Siding and Trim Responds to Exterior Innovation Trends

With 11 well-known brands under its umbrella, Boral Building Products offers an extensive selection of quality building materials to meet many exterior design and material needs. One of those brands is TruExterior Siding and Trim, the industry’s first and only poly-ash siding and trim. 

By TruExterior Siding and Trim July 20, 2021

We sat down with Ben Drury, Brand Manager for Boral Building Products, to discuss what makes TruExterior an ideal option for contractors and homeowners—and how it can help them both meet current exterior trends. 

What is poly-ash and why is it suitable for exterior siding and trim?

Boral Building Products’ proprietary poly-ash material combines polymers and fly ash, a byproduct of coal-fired power plants. TruExterior is the only siding and trim product made with this innovative material, which delivers the best of both worlds: the authentic look of wood alongside high performance to stand up to rot and insects. TruExterior Siding & Trim offers a high level of dimensional stability, and durability for resistance to warping, cracking, and splitting. As a result, the siding requires no sealing of ends or cuts in the field, it can be used in ground-contact applications, and it can be painted any color, including dark hues.    


How are these attributes helpful for remodelers? 

TruExterior Siding & Trim is versatile and easy to use, making it an ideal option from design to installation. From an aesthetic standpoint, it provides an authentic charm, with full-thickness profiles and bold, defined shapes. With the workability of wood, TruExterior can be milled and routed into an endless array of designs, and it installs with traditional tools and fasteners. And with optimal long-term performance, TruExterior protects building pros’ reputations. 

What do these attributes mean for homeowners? 

TruExterior delivers the look of wood homeowners love—without the hassles. Its resistance to moisture, rot, and insects means much less maintenance, painting, or staining, yet its flawless appearance remains. Plus, its flexibility in style and ability to be painted any color allows for nearly any look and style to meet each buyer’s individual design needs. 

TruExterior 2

How does TruExterior Siding & Trim help meet today’s design trends?

Homeowners crave authentic, distinctive looks, and TruExterior delivers with architecturally correct siding and trim profiles. It accurately replicates seven popular historic profiles to replicate the appearance and feel of traditional wood siding:

• Reversible Shiplap-Nickel Gap: This reversible profile comes in two formats: one features smooth Nickel Gap on one side and wood-grain Shiplap on the other; the second has woodgrain Nickel Gap on one side and smooth Shiplap on the other. A rabbeted edge ensures panels fit together perfectly to create authentic spacing—the tight joint appearance of Shiplap on one side and the nickel-sized space of Nickel Gap on the other.

• Channel: TruExterior Channel Siding provides rich shadow lines with its deep recessed groove. It’s a great choice for an entire house or an interior or exterior accent wall.

• Channel Bevel: Featuring a channel-style joint with an angled edge, Channel Bevel Siding gives Arts-and-Crafts homes extra curb appeal with its attractive, layered look.

• V-Rustic: The V-Rustic profile features a deep “V” groove that creates an appealing shadow line effect. These bolder details complement many Craftsman homes.

• Cove/Dutch Lap: With its long, curved lower profile, Cove/Dutch Lap gives homes a sophisticated look that makes a statement.

For homeowners seeking to capitalize on bold, dark colors, including the timeless white siding with black trim, TruExterior’s dimensional stability allows it to be painted any hue. 

Where can pros and homeowners experience TruExterior?

It’s easy to learn more about TruExterior at www.truexterior.com. And, to see how it will look on a home, the Boral Building Products’ Virtual Remodeler online design tool is an excellent resource.

Comments (1)

  • Submitted by PeterS (not verified) on Sun, 01/22/2023 - 20:51


    My experience with Boral was a nightmare. Within a year, the product started to warp profoundly under certain atmospheric conditions. I contacted the TruExterior/Boral/Westlake and wrestled with them for six months. My experts tell me the Boral just lacks the rigidity of a HardieBoard product and warps in harsh sunlight. Boral gave me the runaround, stating both that my installation was “beautiful” AND ridiculously that the contractor should have used materials that EXCEEDED those specified in Boral’s written specs. Specifically, Boral told me post-facto that Tyvek House Wrap is an INADEQUATE WRB for Boral and will cause warping. They refused to honor their warranty

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