For Builders & Contractors

Code compliant carbon negative walls.

Biofill™ pours from a standard mixer, sets in 45–60 minutes, and works with the framing crews and pour crews you already have. No sprayers. No hand-tamping. No long retraining curve.

Why partner with Bison

Cost competitive

Turning hempcrete from a niche premium into a competitive, mass-market structural insulation system.

Higher-margin bids

Offer a differentiated wall system when a client asks for healthy, sustainable, or code-compliant construction.

Joint marketing

Certified partners will be featured in project case studies and a public installer directory.

Now Enrolling · Certified Installers

Certification Program

Join our installer certification program. First 50 certified installers receive a 10% discount on materials and the first year of membership fees waived. Get early access to installation documentation, and be first-listed in the public installer directory.

Join the certified installer network

Tell us a bit about your company and we’ll reach out with early program details.

Installation Guides

Mixing ratios & pour sequence

Standard mix designs, water content, and pour lift height.

Wall assembly details

Framing spacing, air-gap detailing, and interior finish options.

Cure & finish schedule

Cure timing, moisture readings, and readiness for interior trades.

Guides ship as PDF spec sheets. Full library available to certified partners; a starter pack is available on request below.

Become a Dealer or Installer

Application

Tell us about your company, service area, and projected annual volume.

Request Documents

Enter your name and email to get the installation guide starter pack.

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Download the Biofill™ B2B Info Sheet

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Download the Biofill™ Homeowner Handout

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Download the Pre-Pour Trade Checklist

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Download the BIND/R™ Safety Data Sheet

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Download the UNL Testing Report

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Download the Biofill™ Project Submittal Template

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