Skip to content
Harvest savings this November 🍂 Save 10%. "harvest" at checkout. Rise plants 3 trees 🌳 with every order to help reforest the planet.
Harvest savings this November 🍂 Save 10%. "harvest" at checkout. Rise plants 3 trees 🌳 with every order to help reforest the planet.

Building Materials

Shop high-performance home improvement products and materials that benefit your health, wealth, and planet.
  • SIGA Wigluv Single-Sided Adhesive Tape

    SIGA North America
    Original price $387.80 - Original price $750.80
    Original price
    $387.80 - $750.80
    $387.80 - $750.80
    Current price $387.80

    SIGA's Wigluv is a diffusible, single-sided adhesive tape used to bond overlaps and joints where roof and facade membranes are to be sealed. Wigluv...

    View full details
    Original price $387.80 - Original price $750.80
    Original price
    $387.80 - $750.80
    $387.80 - $750.80
    Current price $387.80
  • SIGA Rissan Single-sided Interior Adhesive Tape

    SIGA North America
    Original price $474.50 - Original price $511.30
    Original price
    $474.50 - $511.30
    $474.50 - $511.30
    Current price $474.50

    SIGA's Rissan is a single-sided flexible adhesive tape for interior seam sealing and circular penetrations. The single-sided adhesive is a supple t...

    View full details
    Original price $474.50 - Original price $511.30
    Original price
    $474.50 - $511.30
    $474.50 - $511.30
    Current price $474.50
  • SIGA Majvest 200 Facade Membrane

    SIGA North America
    Original price $274.00 - Original price $554.05
    Original price
    $274.00 - $554.05
    $274.00 - $554.05
    Current price $274.00

    SIGA's Majvest 200 is a wind and rainproof facade membrane for permanent protection of the exterior wall, to help maintain the functionality of the...

    View full details
    Original price $274.00 - Original price $554.05
    Original price
    $274.00 - $554.05
    $274.00 - $554.05
    Current price $274.00
  • SIGA Majrex 200 Vapor Control Layer

    1 review SIGA North America
    Original price $529.15 - Original price $529.15
    Original price
    $529.15
    $529.15 - $529.15
    Current price $529.15

    SIGA's Majrex 200 is a vapor control layer using Hygrobrid technology that establishes airtight layers on the warm side of thermal insulation to pr...

    View full details
    Original price $529.15 - Original price $529.15
    Original price
    $529.15
    $529.15 - $529.15
    Current price $529.15
  • SIGA Wetguard® 200 SA

    SIGA North America
    Original price $329.65 - Original price $1,279.50
    Original price
    $329.65 - $1,279.50
    $329.65 - $1,279.50
    Current price $329.65

    SIGA's Wetguard is a semi impermeable, robust and non-slippery membrane that protects timber elements during construction. What's Included 50m (1...

    View full details
    Original price $329.65 - Original price $1,279.50
    Original price
    $329.65 - $1,279.50
    $329.65 - $1,279.50
    Current price $329.65
  • SIGA Majvest 500 SA Self-Adhering Permeable Membrane

    SIGA North America
    Original price $259.75 - Original price $869.30
    Original price
    $259.75 - $869.30
    $259.75 - $869.30
    Current price $259.75

    SIGA's Majvest 500 SA is a self-adhering, vapor-permeable membrane with the reverse face coated by pressure-sensitive glue for direct bonding to su...

    View full details
    Original price $259.75 - Original price $869.30
    Original price
    $259.75 - $869.30
    $259.75 - $869.30
    Current price $259.75
  • SIGA Fentrim® 230 Grey Adhesive Tape for Windows and Doors

    SIGA North America
    Original price $703.00 - Original price $767.20
    Original price
    $703.00
    $703.00 - $767.20
    Current price $703.00

    SIGA's Fentrim 230 Grey Exterior Tape is a pre-folded adhesive that is ideal for connection between window and door frames to seal exterior joints...

    View full details
    Original price $703.00 - Original price $767.20
    Original price
    $703.00
    $703.00 - $767.20
    Current price $703.00
  • SIGA Fentrim® 430 Grey for Masonry and Concrete

    1 review SIGA North America
    Original price $442.90 - Original price $649.70
    Original price
    $442.90
    $442.90 - $649.70
    Current price $442.90

    Abrasion-resistant tape for exterior applications. Sticks to masonry and concrete without requiring primer.  What's Included 25m (82ft) of tape p...

    View full details
    Original price $442.90 - Original price $649.70
    Original price
    $442.90
    $442.90 - $649.70
    Current price $442.90
  • BARRICADE Thermal Shield Insulated Subfloor (Pallet of 8 Boxes)

    BARRICADE
    Original price $1,519.92 - Original price $1,519.92
    Original price
    $1,519.92
    $1,519.92 - $1,519.92
    Current price $1,519.92

    Barricade Thermal Shield™ is a premium subfloor solution. With an R-value of 4.1, Barricade Thermal Shield provides one of the highest R-values in ...

    View full details
    Original price $1,519.92 - Original price $1,519.92
    Original price
    $1,519.92
    $1,519.92 - $1,519.92
    Current price $1,519.92
  • SIGA Meltell High-Performance Sealant (Indoor or Outdoor)

    SIGA North America
    Original price $294.60 - Original price $294.60
    Original price
    $294.60
    $294.60 - $294.60
    Current price $294.60

    SIGA Meltell is a high-performance hybrid sealant for joint seams on windows, doors, and facades that is also suitable for sealing leaks and penetr...

    View full details
    Original price $294.60 - Original price $294.60
    Original price
    $294.60
    $294.60 - $294.60
    Current price $294.60
  • Hempitecture HempWool R13 - For 2x4 Studs

    Hempitecture
    Original price $659.00 - Original price $659.00
    Original price
    $659.00
    $659.00 - $659.00
    Current price $659.00

    What's Included R13 2x4 HempWool Fits perfectly in a 2x4 cavity Available in 16" OC and 2' OC standard widths HempWool is sold by the pallet. 1 pa...

    View full details
    Original price $659.00 - Original price $659.00
    Original price
    $659.00
    $659.00 - $659.00
    Current price $659.00
    Sold out
  • Hempitecture HempWool R20 - for 2x6 studs

    Hempitecture
    Original price $609.00 - Original price $609.00
    Original price
    $609.00
    $609.00 - $609.00
    Current price $609.00

    What's Included R20 2x6 HempWool Fits perfectly in a 2x6 cavity Available in 16" OC and 2' OC standard widths HempWool is sold by the pallet. 1 pa...

    View full details
    Original price $609.00 - Original price $609.00
    Original price
    $609.00
    $609.00 - $609.00
    Current price $609.00
    Sold out
  • Hempitecture HempWool R28 - for 2x8 studs

    Hempitecture
    Original price $585.00 - Original price $585.00
    Original price
    $585.00
    $585.00 - $585.00
    Current price $585.00

    What's Included R28 2x8 HempWool Fits perfectly in a 2x8 cavity Available in 16" OC and 2' OC standard widths HempWool is sold by the pallet. 1 pa...

    View full details
    Original price $585.00 - Original price $585.00
    Original price
    $585.00
    $585.00 - $585.00
    Current price $585.00
    Sold out
  • Hempitecture HempWool R7 - for 2x2 studs

    Hempitecture
    Original price $944.00 - Original price $944.00
    Original price
    $944.00
    $944.00 - $944.00
    Current price $944.00

    What's Included R7 2x2 HempWool Fits perfectly in a 2x2 cavity Available in 16" OC and 2' OC standard widths HempWool is sold by the pallet. 1 pal...

    View full details
    Original price $944.00 - Original price $944.00
    Original price
    $944.00
    $944.00 - $944.00
    Current price $944.00
    Sold out