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Vermont and New Hampshire's Finest High Performance and Net-Zero Design Build Company

Minisplit System for a Happy Mother-in-Law

The system is sized for temperature control in each room. The ProHOME is heated and cooled with Mitsubishi Heat Pumps. Specifically, there are two outdoor units (MXZ-3C24NAHZ2) that feed five indoor units (two on one outdoor unit and three on the other). This provides 48,000 btu’s of heating capacity, which is overkill for the house,…

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Triple-Pane Windows for Performance and Comfort

Mathews Brothers windows are high-performance and locally manufactured. The windows of choice for the ProHOME are by Mathews Brothers. We like triple pane windows because they provide more R-value than a double pane, are less likely to have condensation than a double pane, and there is some added marketing value, as well. We used their…

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Traditional-Looking Clapboard Siding for a ProHome

Boral siding will stand up to the weather without moisture concerns. Boral Bevel siding looks really sharp. The lines are crisp and blind nailing makes for a clean appearance. Other than blind nailing, it is installed just like wood clapboards. Chalk lines are snapped every four inches and boards are cut tight to fit. Because…

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Exterior Trim Painting

Holding off on the roofing saves time painting. When possible, we like to spray paint the exterior trim of a house because it is a lot faster. Of course, no roofing can be in place and additional prep work such as covering the windows and doors with plastic is required, but it’s still faster than…

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Boral TruExterior Trim — A First Look

Production builders try the composite building material and conclude that it is competitive with traditional wood options. The ProHOME has been our first experience with Boral TruExterior Siding and Trim. Because I hadn’t used the product before, I called up our local supplier to hear his thoughts on it. He said, “Most of our high-end…

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Second-Floor Air Barrier

The interior air barrier is installed before framing the interior walls. A continuous air barrier is critical to a high-performance home. At the ProHOME, and most of our recent builds, we rely on Intello Plus membrane to carry the bulk of the workload when it comes to air sealing. Installing some of the Intello happens…

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Max Nail Guns Prove Popular at the ProHOME Build

The crew foreman likes the new nail guns. “Hey, did your deodorant give out?” I heard one guy on the crew ask another as they were stapling 1×3 strapping over the Intello Plus membrane in a tight space on the second floor of the ProHOME on a hot, humid afternoon. “Yup, I think so!” came…

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Detailing Window and Door Openings

Thick walls mean tying together inner and outer rough openings. We are always tinkering with our framing techniques to try and improve them, but one that has worked well for the double-stud wall is to wrap the rough openings for doors and windows with Zip System sheathing and tape. It connects the inner and outer…

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Engineered Headers: Weyerhaeuser Parallam PSL beams

For the window and door headers, we used 3½-in.-thick Weyerhaeuser Parallam PSL beams. Using Parallam PSL speeds up the framing process as they don’t require any assembly, the way sandwiching a piece of ½-in. plywood between two pieces of dimensional lumber would. Just cut them and nail and screw them into place. Cut and install. The…

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