These 100% Made in USA hempcrete blocks are made with clean, graded, American hemp hurd and our proprietary hempcrete binder. We use dedicated block making machinery and our hemp blocks are cured in a temperature controlled environment. This is all done to provide consistent quality that you can count on.
Bulk pricing for hempcrete blocks
4″ x 8″ x 16″ – $8
8″ x 8″ x 16″ – $15.50
12″ x 8″ x 16″ – $21
*Nominal sizes listed above. Actual block size is 3/8″ less on its sides to accommodate the mortar joints.
Hempcrete blocks and R-value/insulation numbers
The larger sized, 12″ hemp block allows for creating 12″ thick hempcrete walls. This gives even more insulative (R-value) benefit, keeping your home cooler in the summer and warmer in winter!
With an R-Value of 2 for every inch of hempcrete wall, an 8″ wall provides at least R-16 and 12″ offers R-24.
Those values are based on using a conventional hempcrete mix that contains only binder and hemp hurd. Adding aggregate (stones/sand) makes stronger, denser blocks but trades out R-value in return.
Notched/Retrofit Hemp Blocks for stud/timber framing
In addition to making solid hempcrete blocks, we also make hemp blocks that are notched to fit within a conventional stud framing system. For example, within a 16″ on center stud framing pattern as shown in the product gallery images. These hemp blocks fill the stud cavity and leave a flush surface on one side and 3+ inches of hempcrete mass on the other; allowing for multiple finish options based on your designs and wishes. In the images shown, 8x8x16″ hemp blocks were cast to fit against 2×4 studs but could also be made to accommodate 2×6, 2×4 framing and more.
The notches are set at the sides (type 1) or middle (type 2) of each block. This 2 block system allows you to create a staggered mortar joint going up the wall by using type 1 on the first course, type 2 on second and alternating up the wall.
Our notched hemp blocks simplify and speed up the building process for both new construction and retrofits. You could give an outdated home a high-performance upgrade, adding beauty and sustainability, making a true hemp home, by using these notched hemp blocks. Tear out the old painted drywall, fiberglass insulation, plastic wrap (materials often imported, highly synthetic with toxic or off-gassing concerns) and plastic siding, exposing the studs, and replace with hemp blocks and a beautiful, breathable finish such as lime/clay plaster and render.
Questions on building with hempcrete or hemp blocks? Want to talk about placing your volume order? 970-318-0479
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