Exterior Trim Made From Rice Parts- Modern Mill

​‪@Modern-Mill‬ came up with an innovative way to remove waste from the environment. Matt Hoots interviews Chandler Delinks with ‪@Modern-Mill‬ and learns that this is the first stainable PVC siding!

00:00 – Rice Hulls Turned into Trim
00:33 – How It's Made: Rice + PVC Compound
Chandler explains the chemical process of blending ground rice hulls with PVC resin to form a new building material.

01:10 – The Benefits: Workability + Stainable Surface
Details on how the material mimics wood with less dust, easier cutting, and the ability to accept water-based stains.

01:51 – Addressing Thermal Expansion
Discussion on how rice hulls affect thermal movement and why installation guidelines still align with standard PVC practices.

03:04 – Installation Tips + Movement Control
Talks about managing expansion with proper fasteners, spacing, and board profiles like rabbets to hide movement.

04:10 – Bug & Moisture Resistance
Why rice hulls naturally repel water and pests, and how this makes them superior to typical organic fillers.

05:09 – From Sheet to Profile: Manufacturing Process
Chandler outlines how raw material is extruded into sheets, milled, and shaped into multiple profiles including tongue-and-groove and shiplap.

06:13 – Stain Depth & Wood Grain Realism
How they achieve deep wood grain texture through custom sanding that mimics oak or mahogany—without veneers.

07:20 – Applications Beyond Trim
Covers larger panel uses like garage doors and other custom millwork that benefit from durability and stainability.

11:57 – Decking + Stain-Grade Composite Innovation
The product line includes groove and square-edge decking that delivers hardwood aesthetics without the upkeep.


Matt Hoots is a green builder and owner of SawHorse, a full-service design + build firm in Atlanta, GA. Check out his blog at https://sawhorse.net/blog/.

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