Hewn’s Accoya Box Beams bring the look and feel of solid timber without the weight or complexity of a full solid beam. Made with real Accoya wood, these hollow beams are ideal for adding architectural depth and warmth to ceilings, trusses, and statement details in both residential and commercial settings.
Ākala
Brushed
Ākala
Resawn
Ākala
Vertical Brushed
Blonde
Brushed
Blonde
Resawn
Blonde
Vertical Brushed
Bone White
Brushed
Bone White
Resawn
Bone White
Vertical Brushed
Burlap
Brushed
Burlap
Resawn
Burlap
Vertical Brushed
Cashmere
Brushed
Cashmere
Resawn
Cashmere
Vertical Brushed
Chanterelle
Brushed
Chanterelle
Resawn
Chanterelle
Vertical Brushed
Chehalem
Brushed
Chehalem
Resawn
Chehalem
Vertical Brushed
Chestnut
Brushed
Chestnut
Resawn
Chestnut
Vertical Brushed
Dāku Ban
Brushed
Dāku Ban
Resawn
Dāku Ban
Vertical Brushed
Desert Sand
Brushed
Desert Sand
Resawn
Desert Sand
Vertical Brushed
Driftwood
Brushed
Driftwood
Resawn
Driftwood
Vertical Brushed
Graphite
Brushed
Graphite
Resawn
Graphite
Vertical Brushed
Kāleka
Brushed
Kāleka
Resawn
Kāleka
Vertical Brushed
Mushroom
Brushed
Mushroom
Resawn
Mushroom
Vertical Brushed
Peppercorn
Brushed
Peppercorn
Resawn
Peppercorn
Vertical Brushed
Pistachio Shell
Brushed
Pistachio Shell
Resawn
Pistachio Shell
Vertical Brushed
Polūkai
Brushed
Polūkai
Resawn
Polūkai
Vertical Brushed
Raw Hide
Brushed
Raw Hide
Resawn
Raw Hide
Vertical Brushed
Saddle
Brushed
Saddle
Resawn
Saddle
Vertical Brushed
Sandstone
Brushed
Sandstone
Resawn
Sandstone
Vertical Brushed
Sea Drift
Brushed
Sea Drift
Resawn
Sea Drift
Vertical Brushed
Shoreline
Brushed
Shoreline
Resawn
Shoreline
Vertical Brushed
Stone Grey
Brushed
Stone Grey
Resawn
Stone Grey
Vertical Brushed
Thermal
Brushed
Thermal
Resawn
Thermal
Vertical Brushed
Titanium
Brushed
Titanium
Resawn
Titanium
Vertical Brushed
Trillium White
Brushed
Trillium White
Resawn
Trillium White
Vertical Brushed
Uahi
Brushed
Uahi
Resawn
Uahi
Vertical Brushed
Weathered Grey
Brushed
Weathered Grey
Resawn
Weathered Grey
Vertical Brushed
Hewn’s Accoya Box Beams bring the look and presence of solid timber while offering the consistency, stability, and durability needed for refined architectural applications. Crafted with real Accoya wood, these hollow beams are designed to add warmth, dimension, and structural character to ceilings, mantels, trusses, and other interior or protected exterior features.
Accoya is valued for its exceptional dimensional stability and long-term performance, making it especially well suited for projects where clean detailing, reliable fit, and lasting beauty matter. In addition to our standard finish options, we can also support custom finishing, unfinished/raw beam options, and project-specific design coordination.
Specifications
Material
Accoya
Grade
A1 Grade
Material Thickness
3/4″
Lengths
4′ to 15′6″ (Single Board)
15′6″ to ∞ (With Joint)
Max Width & Height
7 ¾″ (Single Board)
15 ½″ (With Glue Seam)
Widths greater than 15 ½″ require multiple glue seams
Colors
Available in Collection and Custom Colors
Textures
Brushed
Vertical Brushed
Resawn
Joints
Lap Joint
Lock Joint
Butt Joint
Assembled Scarf
Beam Textures
(Displayed in Accoya · Chestnut)
Brushed
Nylon brushed texture with a consistent thickness
Vertical Brushed
Double wire brushed texture with a consistent thickness
Resawn
Perpendicular resaw texture with a consistent thickness
Accoya Project Gallery
Click below to view projects featuring Hewn’s Accoya box beams.
Lengths & Widths
One piece Accoya box beam lengths are available from 4’ to 15’6″. For lengths longer than 15’6″, you can choose one of our joint options. All of our box beams are completely customizable to the specifications of your project. For Accoya we offer standard widths from 3″ to 7¾″, and extended widths (requiring a glue-up) from 7⅞″ to 22″. We also offer custom color matching and custom color formulations to ensure that our product is perfect for your installations.
End Caps
Our optional end caps are offered in two variants: Standard Grain and End Grain. Our Standard Grain features the same texture and finish found on the face of our beams. Our End Grain features a real wood cross-section, with visible tree rings.
Standard Grain
End Grain
Straps & Joint Options
For Accoya beam lengths longer than 15’6″, you can choose one of our joint options shown below. We also offer solid metal beam straps, in both a smooth and hammered texture, to accompany your chosen joint option. All straps are made-to-order to your specific dimensions, and are individually shaped for every beam.
Beam joints are not grain-matched. They are not designed to be invisible to the eye.
Lap Joint
Lock Joint
Butt Joint
Assembled Scarf
Configurations
Two-Sided
Three-Sided
Four-Sided
Modern Innovation
Accoya is a high-performance wood product known for its exceptional durability, stability, and long service life. Its performance characteristics make it a strong choice for projects that demand precision, longevity, and confidence over time, especially in applications where movement resistance and finish reliability are important. Combined with Hewn’s finishing approach and custom beam craftsmanship, Accoya offers a compelling balance of architectural warmth and dependable performance for premium beam applications.
Custom Options
Hewn’s Accoya Box Beams can be customized to fit the individual needs and specifications of your project. Our team can adapt beam dimensions, finish direction, detailing, and other visual characteristics to help create a product that feels fully integrated with the architecture. We can also support custom finish development and color-matching workflows when a project calls for a more specific look.
