PathHouse’s mission is to provide permanent affordable housing – at scale – for low income and disaster-impacted communities through deployment of mass timber modular residences. PathHouse is designing and implementing an innovative housing production system that will be capable of producing upwards of 100,000 affordable housing units annually using regional wood fiber, and state-of-the-art manufacturing and design expertise. This grant would assist in funding the applied research required to fabricate and test the first PathHouse prototype modules. The structural design of the module system aims for optimum efficiency from a wood fiber standpoint, and utilizes mass timber panels with very thin profiles, between 1” and 3” thick. Mass timber panels produced in the Pacific Northwest (PNW) offer the potential for efficiencies of scale, speed, and safety unparalleled by other construction techniques, and with significantly lower embodied energy. The region is strongly positioned to succeed economically in this industry, due to recognized global leadership in research and development of engineered wood products, and abundant timber resources. We aim to demonstrate that there is room for growth in the market for thinner-profile mass timber products with thinner lamination dimensions. A consistent market for high-value use of small-diameter trees would support the increasing need for restoration forestry projects.