Cape Cod Hemp House Expo Day

Community Event

Hosting Organization: 


Event Date: 

Wednesday, May 12, 2021


10:30am - 12pm and 1 - 2:30pm




Cape Cod Hemp House


11 Braddock St.
Harwich, MA

Learn more about the benefits of hemplime construction, and be among the first to see a cutting-edge European spray-applied hemplime system in action.

With simple gabled roof forms, cedar shingles, and metal roofing, the new net-zero all-electric ocean-front residence will integrate with the Cape style houses of the surrounding Harwich Port neighborhood.

Behind the shingles, the house uses a combination of new and traditional building methods and materials to cut embodied carbon, reduce energy use, and improve environmental and occupant health. Chief among these is a monolithic biocomposite hemplime system that insulates the roofs and walls, provides thermal and moisture buffering, is fire, mold, and pest resistant, is inherently air-tight, and sequesters carbon.

Building with hemplime using conventional methods would take weeks to do and several more to cure on a project of this size, but takes a fraction of the time using an innovative European spray-applied system. When completed, this project will be the first in North America to employ this hemplime system.

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