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foam-free foundation (14)
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holistic home (80)
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living building (17)
Maryland Historical Trust (2)
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net zero (24)
passive house (28)
passive house windows (4)
perlite foundation (1)
plywood window box (6)
preservation + design (92)
rumford fireplace (1)
the zero honeycomb (2)
TJI cavity (4)
TJI insulation cavity (3)
universal design on the gunpowder (4)
vapor barrier (9)
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posted on January 6, 2017 by carri beer
Our Net Zero, Passive House, Foam-Free home in New Jersey is taking shape! The 2×6 framing has been completed and the plywood air barrier installed and taped. Taping and air sealing the various overhangs and angles has been a challenge, but thanks to the diligence of the owner and Michael Hindle of Passive to Positive, the initial blower door test is set up to be a success!
posted on January 2, 2017 by carri beer
We are thrilled at the success and completion of our first Foam-Free, (near) Net Zero, Passive House in Western Maryland. The home is currently in the final stages of testing and certification and interior finishing. It has been an educational process with material usage, system selection and install, air sealing and insulation, window install and team collaboration.
The views and placement of the house are extraordinary and achieve the homeowner’s goal of a comfortable, accessible, high performance home designed to view the meadow, marsh and forest.
For more photos of the final walk-thru, visit the project page.
posted on May 26, 2016 by carri beer
We are helping to realize a sculptor’s design of the Honeycomb House. The project is designed to meet Passive House Standards, be Net Zero Ready and will be completely FOAM-FREE. It is a pleasure and a challenge to be part of this creative venture with Michael Hindle of Passive to Positive and Daniel Gantebein, sculptor!
We are thrilled that this project is now under construction. The owner is serving as general contractor and has overseen the successful initial pour of the basement wall!
As well as the install of our foam-free foundation using perlite under the slab.
The StegoWrap vapor barrier was used and the slab was poured.
Given that this was our foundation plan, I’d say so far, so good!
posted on March 2, 2016 by carri beer
Carri and Michael’s home renovation is being featured as a Guest Blog on Green Building Advisor!
posted on September 28, 2015 by carri beer
The construction for the addition and renovation to our Gunpowder project is moving along quickly. Because the under slab Roxul mineral wool was a little difficult to source and had a longer lead time, our contractor got creative and “pre-installed” the StegoWrap vapor barrier to wrap under the sill plate. We will go back and cut out the barrier to install slab insulation, tape back in the vapor barrier and pour the slab.
Framing is 2×6 walls with 3/4″ plywood sheathing, fully taped to provide our primary air barrier. We are then installing 1-1/2″ of Roxul mineral wool, Tyvek and then furring strips. This has been a terrific learning experience as we work with the contractor and project lead to find economical, smart ways to create a foam-free, well-sealed healthy envelope.
posted on September 18, 2015 by carri beer
So thrilled that our team received the award for “Most Resilient Concept” at the bMORE Resilient Competition Reception last night!
Team: Carri Beer, Lili Mundroff, Michael Hindle, Jack Sullivan, Peter I. May Ph.D., Adam Ganser, and Katelin Posthuma.
posted on May 19, 2015 by carri beer
The large bird viewing windows have been covered with plywood for months as we await the delivery and install of our doors and windows. The client chose INTUS uPVC windows for their performance, cost and manufacturer provided sill extensions. The fact that the client could visit a local showroom and see these windows in person was also critical to their decision making.
Our window detail went through many rounds of design and mark-up between myself, Michael Hindle, CPHC and the team at Gosnell Builders. The result is an air + water tight detail with little to no thermal bridging and over-insulating of the frame. We also maintained our FOAM-FREE insulating details!
Making the 2D line drawings translate into construction reality was not a problem with our eager construction crew. Though labor intensive, the resulting air tightness and performance will be outstanding.
posted on May 13, 2015 by carri beer
brennan + company’s cutting edge Foam Free foundation detail mentioned in Journal of Light Construction article! Thank you to Michael Hindle of Passive to Positive to crediting us for working together to create this detail.
posted on April 29, 2015 by carri beer
Upon hanging the TJI insulation cavity, the vapor open Weather Resistant Barrier (WRB) was installed and all seams were taped. Given the pressure of the cellulose that will be blown-in behind this WRB, we decided to use Solitex Mento 1000 and taped with our favorite Tescon Vana tape.
The next layer is the ventilation cavity / rainscreen / furring strips. We decided on horizontal with vertical furring strips to keep the cellulose bulge in check and maintain an acceptable ventilation cavity as well as provide a more substantial nailing surface for our engineered wood siding.
posted on March 25, 2015 by carri beer
We have built our structural 2×6 wall, installed and taped the plywood air barrier, and have created all of the window boxes. It is now time to attach the 11 7/8″ vertical TJIs to our wall. This TJI cavity will be filled with cellulose and serve as our main insulation layer in our Climate Zone 5 project location. The TJIs are non-bearing and their vertical installation is addressed by Weyerhaeuser TrusJoist TB-821-2014 (comes up on a google search).
Per the advisement of our structural engineer, in the areas where the TJI is not resting on the concrete foundation wall (with a bit of mineral wool sandwiched between), but is instead ‘floating’ we used a light 40 series joist hanger at the base of each TJI. He also called for blocking top, bottom and mid-height.