Pioneering Hempcrete Construction in Austin.
Hempcrete Construction in Austin – Built with Purpose
Carl Gradek is one of the few builders in Austin specializing in bespoke, sustainable hempcrete homes—blending craftsmanship with cutting-edge, sustainable materials.


Carl Gradek Hempcrete Open House - Sign Up
Date
April 5, 2025 (Saturday)
Time
10am - 2pm
Location
902 Herndon Ln Austin, TX 78704
Tour Austin’s first hempcrete build, network with sustainability enthusiasts, enjoy refreshments, and explore the future of sustainable construction.
Don't miss the chance to tour one of fewer than 100 hempcrete builds in the country, right here in Austin. and learn from one of the nation’s leading hempcrete builders, Carl Gradek.

Carl Gradek Hempcrete Open House - Sign Up
Date
April 5, 2025 (Saturday)
Time
10am - 2pm
Location
902 Herndon Ln Austin, TX 78704
Learn cutting edge sustainable design
Meet Carl Gradek the leading Hempcrete builder in Austin
Free Admission!
RSVP Below
Tour Austin’s first hempcrete build, network with sustainability enthusiasts, enjoy refreshments, and explore the future of sustainable construction.
Don't miss the chance to tour one of fewer than 100 hempcrete builds in the country, right here in Austin. and learn from one of the nation’s leading hempcrete builders, Carl Gradek.
HEMPCRETE WITH GRADEK CONTRACTING & DESIGNS
Gradek Contracting and Designs is the trusted partner for architects and developers, delivering expert hempcrete solutions for even the most complex builds. With a commitment to sustainability and a proven ability to preserve heritage trees, Carl ensures every project seamlessly balances innovation and environmental responsibility.
What is Hempcrete?
The future of Sustainable Construction
Hempcrete is a fireproof, mold-resistant, and energy-efficient building material made from hemp hurds, lime, and water. Unlike concrete, it is breathable, non-toxic, and carbon-negative, making it one of the most sustainable materials available for construction.

Key Benefits

- Resistant to fire, mold, and pests
- Absorbs CO₂ while curing, improving air quality
- Naturally regulates indoor temperature, reducing energy costs
- Free of harmful chemicals for a healthier living environment
- Long-lasting durability with a lightweight structure
Designed for Austin’s Climate and Sustainability Movement
Why Hempcrete is Perfect for Austin
Austin’s intense summers and commitment to sustainability make hempcrete an ideal building material. Whether designing a custom home or an accessory dwelling unit, homeowners benefit from its superior insulation, durability, and contribution to a healthier environment.

Why it works in Austin:
Regulates temperature naturally, reducing reliance on air conditioning
Manages humidity levels, preventing mold and moisture damage
Aligns with Austin’s green building initiatives and eco-conscious community
Building Homes That Last, With Materials That Matter
Carl Gradek – Leading the Hempcrete Movement in Austin
With more than 40 years of experience in high-end construction, Carl Gradek is among the few builders actively pushing hempcrete forward as a viable alternative to traditional materials. His deep knowledge of craftsmanship and sustainability makes him a trusted leader in the industry. Carl’s work is setting the standard for sustainable homebuilding, combining modern innovation with time-tested building techniques to create homes that are beautiful, efficient, and environmentally responsible.

press mention:
Media

The Austin Chronicle: Hemprecrete home in South Austin
Contact Now.
Hempcrete is the Future—Be a Part of It
The materials used in your home matter. Investing in a hempcrete build means committing to sustainability, efficiency, and long-term durability. Carl Gradek is ready to help you design and build a home that reflects your values. A direct contact form, along with Carl’s phone number and email








