Gaia Building Systems

    GaiaPanel Hempcrete / Hemp-Lime Wall Panels

    Panelized hemp-lime construction designed to combine bio-based wall materials with a faster, repeatable wall-system format.

    GaiaPanel prefabricated hemp-lime wall panel with wood framing and hemp-lime infill in a fabrication shop

    What Is GaiaPanel?

    GaiaPanel is Mr Hemp House®'s panelized hempcrete / hemp-lime building system, designed to bring bio-based wall construction into a faster, prefabricated format. It uses the same hemp hurd and mineral lime material family as GaiaCrete hemp-lime building material, assembled into wall sections rather than placed loose on site.

    For a homeowner, the practical difference is schedule and predictability: more of the wall is built in a controlled environment, and less of it depends on weather and on-site drying conditions.

    Panelized Hemp-Lime Construction and the Wall Assembly

    A panel pairs framing with hemp-lime infill filling the cavity, so the wall arrives as one coordinated component. On site the panels are set, joined, and then finished with vapor-open plasters or claddings appropriate to the climate and design.

    Panel configuration, framing members, connections, and finishes are engineered per project. Mr Hemp House® does not publish generic load ratings, span tables, panel weights, or fastening schedules.

    Why Panelization Matters

    Schedule

    Wall fabrication happens in parallel with site work instead of after it.

    Consistency

    Mixing and placement happen under controlled conditions rather than in variable weather.

    Repeatability

    Repeated plans and multi-unit projects benefit most from a standardized wall component.

    Additions and Existing Construction

    Panels suit additions, rebuilt walls, and sections where new framing is going up anyway. Where an existing wall stays in place, GaiaBloc hemp-lime building blocks or a cast application is usually the better fit. See retrofit and rehab for how existing-home projects are scoped.

    New Construction

    Panelization is strongest on new builds with defined plans — including hempcrete house plans and healthy new-home designs — where wall sections repeat and the schedule rewards off-site fabrication.

    Discuss Your Project

    Pricing is project-specific and depends on product format, quantity, shipping distance, wall assembly, project location, installation requirements, and current availability.

    Contact Mr Hemp House® for current product, dealer, consultation, shipping, and installation availability. Availability varies by market.

    Building-Science Characteristics of Hemp-Lime

    These characteristics describe hemp-lime construction as a category. Product-specific and assembly-specific performance is governed by current technical documentation.

    Vapor permeability & moisture buffering

    Hemp-lime materials can adsorb and release moisture as indoor conditions change, helping moderate short-term humidity swings when incorporated into a properly designed vapor-open assembly.

    Mold-resistant characteristics

    The high-alkalinity mineral composition of hemp-lime is inhospitable to fungal growth, and the material is vapor-permeable rather than moisture-trapping. Actual mold risk depends on moisture exposure, assembly design, workmanship, bulk-water management, ventilation, and maintenance.

    Fire performance

    Hemp-lime materials are known for favorable fire-performance characteristics; product- and assembly-specific performance is governed by applicable technical documentation. A Class A flame spread rating (ASTM E84) has been documented for the tested GaiaCrete material sample and is not translated here into an hourly fire-resistance rating.

    Acoustic characteristics

    Hemp-lime's porous structure can help dampen sound and contribute to quieter wall assemblies. Exact acoustic performance depends on wall thickness, finishes, framing, and complete assembly design.

    Thermal characteristics

    Hemp-lime contributes both insulation and thermal mass to the wall assembly. Thermal performance varies by formulation, density, thickness, moisture content, finishes, and complete wall assembly.

    Biogenic carbon storage

    Hemp absorbs atmospheric carbon while growing, and hemp-based materials can retain that biogenic carbon in the building. Lime binders also carbonate during curing. Product-specific lifecycle figures are not published as a single number.

    Pest considerations

    The mineral-rich hemp-lime matrix is generally less attractive as a food source than untreated wood-based materials. Pest performance depends on assembly details, site conditions, and construction.

    Long-life assemblies

    Published hemp-lime lifecycle research has cited expected service-life assumptions exceeding 100 years for properly designed, constructed, protected, and maintained wall assemblies. This is category-level hemp-lime research, not a Gaia product warranty.

    The 2024 IRC includes Appendix BL for hemp-lime construction. Local code adoption, engineering, design, product documentation, and authority-having-jurisdiction requirements govern each project.

    Technical Information

    Technical specifications are being finalized. Contact Mr Hemp House® for current project documentation and product availability.

    Panel dimensions, weights, R-values, acoustic ratings, load and span capacities, fire-resistance ratings, and fastening schedules are not published for GaiaPanel. Documented GaiaCrete material test results are not automatically transferred to the panel product or to any specific assembly.

    GaiaPanel vs Conventional Wall Systems

    Conventional framed walls rely on cavity insulation products such as fiberglass batts or spray foam. A hemp-lime panel fills the cavity with a vapor-permeable mineral-and-plant matrix instead, changing how the wall handles moisture and how it is finished. Compare the material approaches in GaiaCrete vs spray foam and GaiaCrete vs fiberglass.

    Comparing the Gaia Building Systems Formats

    All four formats use hempcrete / hemp-lime construction principles. The difference is how the material reaches the wall.

    Qualitative comparison of GaiaCrete, GaiaBloc, GaiaPanel and GaiaCast formats
    FeatureGaiaCreteGaiaBlocGaiaPanelGaiaCast
    FormatHemp-lime material (sprayed or poured)Pre-formed blockPanelized wall systemCast-in-place infill
    Primary applicationWall, attic, and envelope applicationsWall infill and retrofit build-outRepeatable wall assembliesMonolithic framed-wall infill
    Installation approachTrained crew, project-specific methodStacked and fitted by handFabricated off-site, set on-siteFormed and cast in place
    Existing homesProject-dependentOften a good fit where access is limitedBest suited to additions and rebuilt wallsSuitable where framing is opened up
    New constructionYes, with a designed assemblyYesYes — schedule-driven projectsYes — continuous wall assemblies
    Prefabrication levelNone — mixed and applied on-siteComponent-levelHighestNone — formed on-site
    Wall integrationAround a structural frameFitted within or against framingFraming and infill delivered togetherContinuous infill around framing
    Best project fitCustom hemp-lime applicationsRetrofits and phased workRepeatable plans and tight schedulesSeamless, monolithic wall design
    Technical documentationAvailable — see technical resourcesIn progress — request current documentationIn progress — request current documentationIn progress — request current documentation

    Final product selection depends on project design, engineering, code requirements, climate, availability, and installation method.

    For Builders, Architects, and Remodelers

    Panel projects need earlier design coordination than site-applied work: wall sections, openings, connections, tolerances, lifting, and delivery all get resolved before fabrication. Bring drawings to the consultation and we will review product selection, documentation needs, and logistics with you.

    Technical Documentation & Research

    Mr Hemp House® separates evidence into levels so builders, designers, and homeowners can see exactly what a given statement is based on.

    • Product-specific testing — laboratory results for that exact Gaia product, where available.
    • Assembly-specific testing — results for a tested wall, panel, or installation assembly.
    • Hemp-lime category research — published findings that apply to hemp-lime construction generally, not to a specific Gaia product.
    • Manufacturer / internal documentation — technical documents produced by Mr Hemp House® and identified as such.

    Category-level hempcrete research does not by itself demonstrate GaiaBloc, GaiaPanel, or GaiaCast performance. Review the current documentation set on technical data & resources.

    Explore Gaia Building Systems

    One hemp-lime material family, four ways to build with it.

    Hemp-lime material system

    GaiaCrete hemp-lime building material

    The core hempcrete / hemp-lime building material behind every Gaia format — used for sprayed, poured, and cast wall applications.

    Pre-formed block

    GaiaBloc hemp-lime building blocks

    Pre-formed hemp-lime blocks that bring hempcrete into a repeatable, stackable format for retrofit and new-construction wall infill.

    Cast-in-place infill

    GaiaCast cast-in-place hempcrete walls

    Cast-in-place hemp-lime wall infill for monolithic, project-specific assemblies formed around a structural frame.

    See the full Gaia Building Systems overview

    GaiaPanel FAQs

    GaiaPanel is Mr Hemp House®'s panelized hempcrete / hemp-lime building system, designed to bring bio-based wall construction into a faster, prefabricated format. Wall sections are assembled off-site with the hemp-lime infill already placed, then set on-site.

    Call for Pricing

    Pricing is project-specific and depends on product format, quantity, shipping distance, wall assembly, project location, installation requirements, and current availability.

    Contact Mr Hemp House® for current product, dealer, consultation, shipping, and installation availability. Availability varies by market.

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