Boral TruExterior® Siding

Boral has created an entirely new category of siding products with its Boral TruExterior® Siding.  Seven new profiles recreate the look and feel of traditional wood siding but perform better, are remarkably workable and have a lasting look – all without the issues that plague exterior wood products. Plus they can be installed using proven woodworking tools and methods.

Boral TruExterior® Siding maintains a high level of dimensional stability during periods of temperature and moisture change, which allows it to resist moisture-related issues such as cracking and splitting.  Plus it’s virtually rot and termite free, and it’s backed by a 20-year limited warranty, which makes it a great, low-maintenance alternative to other siding products.

Boral TruExterior® Siding installs with standard woodworking tools and methods, so no special tools or skills are required.  It accepts a wide variety of fasteners and does not require end sealing or any special adhesives that would add cost to the installation.  Boral TruExterior® Siding can be painted any color, as it is not prone to movement during heat build-up.†

The Boral TruExterior® Siding Craftsman Collection™ is the solution for homeowners who desire the look and feel of traditional wood siding without the constant maintenance and upkeep associated with exterior wood products.  Boral TruExterior® Siding won’t crack or split, plus it resists rot and termite attacks.  It truly is “like no other”.

Boral TruExterior® Siding Facts

 Workability exceeds that of wood siding

 Installs with standard woodworking tools and methods

 No need to prime ends or field cuts

 Easily accepts paint of any color

 Accepts a wide variety of fasteners

 Resists rot and termite attacks†

 Maintains high level of dimensional stability†

 No cracking or splitting from moisture

 16’ lengths

 Made in the USA

 20-year limited warranty†

Product Dimensions


Commonly Asked Questions:

Prior to its introduction, Boral TruExterior® Trim was subjected to rigorous third-party testing and we now have several years of real world field testing to prove its mechanical, physical and thermal properties.
Boral TruExterior® Trim must never be used in structural or load bearing applications. Boral TruExterior® Trim is an ideal product for exterior trim applications such as soffits, frieze boards, fascia, window and door surrounds, etc.
Store Boral TruExterior® Products on a flat, level surface. Keep the boards covered and free from dirt and debris until you are ready to install.
Boral TruExterior® Trim is reversible, with one side smooth and the other featuring a wood grain pattern.
If Boral TruExterior® Products get dirty, clean using a mild soap and water solution. Pressure washing with a light fan setting also works well, but please note that pressure washers can damage building materials if the pressure is too high.
Standard tools can be used to cut or work with Boral TruExterior® Products, but carbide tipped blades and bits are recommended for longer tool life.
Yes, Boral TruExterior® Trim takes a miter cut easily, and unlike many other trim products, fasteners can be nailed or screwed through the miter joint.
Use the same basic precautions as you would when working with wood. Always wear eye protection and we recommend a dust mask for the small amount of nuisance dust generated when cutting or routing Boral TruExterior® Products.
Use high quality, exterior grade fasteners fit for the conditions of the application. Boral TruExterior® Products can be installed using standard nail guns or screws, and standard trim nails work well.
Fasteners should be placed every 24” or less, and within 2” of the end of a board.
Because Boral TruExterior® Products absorb virtually no moisture*, they can be used at grade or in direct contact with masonry.
Boral TruExterior® Products are extremely stable during periods of temperature and moisture change* so no special measures are necessary to limit or control movement.
No. However, exterior grade acrylic caulk and adhesive may be used to smooth out joints or miters prior to painting.
Nail holes can be repaired using a high grade acrylic caulk or wood filler.
Boral TruExterior® Products come with a factory-applied primer. Because Boral TruExterior® Products absorb virtually no moisture, ends and field cuts do not need to be primed or sealed.
Make sure the boards are free from dirt and debris, and are dry prior to painting, and be sure to follow your paint manufacturer’s guidelines.
Use any high grade exterior paint of any color. Due to their high level of dimensional stability, there is no need for special paints when painting Boral TruExterior® Products a darker color.
Boral TruExterior® Products have a 20 Year Limited Warranty.
Because Boral TruExterior® Products are virtually impervious to water and do not cycle moisture*, paint will have improved performance on Boral TruExterior® Products than it will on wood.
Unpainted boards can be on the wall for up to 150 days before painting, but be sure to inspect the board for damage prior to painting.
No, Boral TruExterior® Products are resistant to termite attacks* and are approved for ground contact.
Boral TruExterior® Products do not support mold or mildew growth* and do not contain a food source for mold or mildew, but mold and mildew can grow via food sources that may be on the surface of Boral TruExterior® Products or virtually any material for that matter.
Any exterior cladding will be complemented by the addition of Boral TruExterior® Products.
Boral TruExterior® Products will achieve the same exceptional level of performance in the harshest of climates and conditions, provided the correct fasteners are used for the specific conditions.
Boral TruExterior® Products are composed of over 70% recycled content as verified by SCS Global Services, and are Cradle to Cradle™ Certified.

*Please see Boral TruExterior® Trim and Boral TruExterior™ Siding Limited Warranties and Product Data Sheets for proprietary test results