Our Prefab Panels

A Fast, flexible & effective solution for high-performance green building

B.PUBLIC Prefab panelized assemblies exemplify best practices in construction and building science for unparalleled performance, durability, health, and environmental sustainability. The panels are manufactured in controlled environments leveraging both traditional craftsmanship and the latest technology to deliver airtight, vapor open, and carbon-storing assemblies that achieve Net Zero and Passive House standards. The B.PUBLIC envelope provides industry leading comfort, quiet, and speed to new construction.

| Thermal-Bridge Free | Vapor-open | Continuous Air-Barrier | Foam-free  | Carbon-Sequestering | Fully Insulated  | Weather-Tight | Structural  

| Thermal-Bridge Free | Vapor-open | Continuous Air-Barrier | Foam-free  | Carbon-Sequestering | Fully Insulated  | Weather-Tight | Structural  

Walls

Off-site prefabricated panels are created to ease on-site schedules. The panels are manufactured in controlled environments leveraging both traditional craftsmanship and the latest technology to deliver airtight, vapor-open, and carbon-storing assemblies that are ready for assembly on-site.

R-30, R35, R52 standard assemblies

A blue framed wall panel is being lifted by yellow straps at a construction site, with a construction worker in a white helmet observing nearby.
Construction wall framing with blue adhesive waterproofing membrane labeled ADHERO on it.

R30 AdvanceD Wall

    • Off-site prefabricated light frame wall assembly

    • 2x8 SPF framing @ 24" oc with

    • 1/2" Structural sheathing

    • Whole wall R-30 (PHPP)

    • Class II / vapor variable membrane 0.13 to >13.0 perms. Rated WRB, 2- months exposure

    • Dense-pack Cellulose: Borate treated for fire, mold, insect resistance

    • Fully adhered monolithic non-porous vapor-open weather barrier, rated 6-months exposure

    • 7.75" structural core / 9.25" w/ furring

    • Vapor open Assembly

    • IECC 2023 Code compliant for zones 3 through 6

    • Industry leading acoustic performance

    • Eliminates wind washing energy loss

    • Carbon storing / Low embodied energy

    • > 70% post consumer recycled content by weight

    • Living Building Challenge compliant - Red list free

    • No dangerous off-gassing

    • Urea-Formaldehyde & foam free

Interior wall framing with insulation and vapor barrier, showing wooden studs, drywall, insulation, and blue adhesive sheathing on the outside.

R35 PERFORMANCE WALL

    • Off-site prefabricated light frame wall assembly

    • Thermally broken studs @ 24" oc

    • 1/2" Structural sheathing

    • Whole wall R-35 (PHPP)

    • Class II / vapor variable membrane 0.13 to >13.0 perms. Rated WRB, 2- months exposure

    • Dense-pack Cellulose: Borate treated for fire, mold, insect resistance

    • Fully adhered monolithic non-porous vapor-open weather barrier, rated 6-months exposure

    • 10" (11.5" with interior furring)

    • Vapor open Assembly

    • Consistent high R-Value

    • Industry leading acoustic performance

    • Thermal bridge free per PHI standards

    • Eliminates wind washing energy loss

    • Carbon storing / Low embodied energy

    • > 70% post consumer recycled content by weight

    • Living Building Challenge compliant - Red list free

    • No dangerous off-gassing

    • Urea-Formaldehyde & foam free

Construction wall with blue insulation sheathing and wooden framing, showing layers for a building interior.

R52 Ultimate Wall

    • Off-site prefabricated light wood frame wall assembly

    • Thermally broken studs @ 24"

    • OC 1/2" Structural sheathing

    • Whole wall R-52 (PHPP)

    • Class II / vapor variable membrane 0.13 to >13.0 perms. Rated WRB, 2 months exposure

    • Dense-pack Cellulose: Borate treated for fire, mold, insect resistance

    • Fully adhered monolithic non-porous vapor-open weather barrier, rated 6 months exposure

    • 14.5" (16" with int 1.5" furring)

    • Vapor open assembly

    • Consistent high R-value

    • Class A flame & smoke rated materials

    • Industry-leading acoustic performance

    • Thermal bridge free per PHI standards

    • Eliminates windwashing energy loss

    • Carbon storing / Low embodied energy

    • > 70% post-consumer recycled content by weight

    • Living Building Challenge compliant - Red list free

    • No dangerous off-gassing

    • Free of urea-formaldehyde & foam

ROOFs

Off-site prefabricated panels for flat, gable, shed, and custom slope designs.

R-59, R80 standard assemblies

Construction workers installing a large, rectangular roof component with blue insulation on a building under construction, surrounded by ladders and scaffolding.
Diagram of a mattress showing exterior, interior layers, framework, and bedding support structures.

FLOORS

Off-site prefabricated panels for fully-insulated floor cassettes. For a seamless, high-performance building envelope.

R-51 standard assembly

Construction site with workers, crane, and partially built structure against a backdrop of mountains and partly cloudy sky.
An exploded view diagram of a building foundation with labeled exterior and interior components, including wooden beams, insulation, and concrete base.

Spec Sheets

30-Wall Spec Sheet

30-Wall Spec Sheet

35-Wall Spec Sheet

35-Wall Spec Sheet

52-Wall Spec Sheet

52-Wall Spec Sheet

51-Floor Spec Sheet

51-Floor Spec Sheet

59-Roof Spec Sheet

59-Roof Spec Sheet

80-Roof Spec Sheet

80-Roof Spec Sheet

Download ALL Spec Sheets

Series E updates include a fully adhered weather barrier on the wall and top panels. Exterior furring strips are now optional and are no longer standard on wall panels.

The B.PUBLIC Advanced Wall is now available!

Request estimates and pricing for projects in mild climates, multi-family, and beyond code performance.

Our same high-quality craftsmanship, fully insulated vapor-open, and air-tight prefab panels. Achieve more in less time with our new 2x8 frame wall.

NEW PRODUCT!