A Brief History

The project entails repairing the building at 335 Maplewood Ave in a manner that meets both preservation and sustainability goals. The building is the new location for Petersen Engineering, a firm that has been located in Portsmouth since 1992, and specializes in sustainable building engineering. We intend for this project to showcase techniques & materials that promote both preservation and sustainability and intend to share all aspects of the project locally and regionally through open houses, presentations, industry tradeshows, case studies and publications. We foresee this project being a valuable educational tool to demonstrate that preservation goals need not be compromised by sustainability goals. We have teamed with Bruss Construction who we know from past collaborations has exceptional experience and expertise on projects with the dual goal of preservation and sustainability.

The project received approval by the Historic District Commission on January 6, 2010 with construction scheduled to begin early February 2010.

The projected peak heat loss reduction is 85%.


Monday, November 8, 2010

Kitchen Wall Insulation Complete

Ron was in over the weekend and put up the 2 layers of 1-1/2" extruded polystyrene w/ staggered, taped, and foamed joint on top of the typar air barrier. He then put a layer of advantech sheathing over the foam to hold it all together and protect it. (just like we did on the exterior of the building) He removed the old door and installed an insulated exterior door because this wall is our new thermal barrier. We now officially have a 3 season kitchen. bbbbrrrrrr....

Good job Ron!




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