If you have any windows in the room be sure to add the furring strips all the way around the window, so it gives you a place to nail your window trim to. Well I hope this gives you a few ideas on installing  the one by three furring strips before you get prepared to put the drywall on. The furring strips should run vertically from floor to ceiling, or from eaves to rafters, if you are installing them on a sloped ceiling. In spite of the fact that these kind of wall assemblies are climate specific, for anyone interested in the performance of various wall assembly approaches this BSC paper is an excellent place to start: Or you can check out Hammer and Hand’s evolving wall assembly strategies here: And here’s a mock-up wall assembly by Hammer and Hand showing many of the details we incorporated into our own house: While many believe a double stud wall simplifies much of the framing, we decided that a continuous insulation approach, which in theory should better manage seasonal moisture changes inside the walls while it also eliminates thermal bridges, was worth the extra effort. For the first layer of Rockwool we installed the pieces horizontally between studs as much as we could, knowing that the second layer of Rockwool would be oriented vertically. Once the 2×4’s were all installed vertically through the structural 2×6’s as our first layer of strapping, Wojtek and Mark could install the components of the rainscreen, including the Cor-A-Vent strips at the top and bottom of the walls, as well as above and below windows and doors. The rese… Once most of the siding was complete around each window, but before the 1×6 charred cedar pieces used to return the siding to the window frames were installed, each window received a dedicated metal sill pan. In an existing home, adding insulation to the exterior of the basement walls is impractical. Best to install the boxes for that, plus the wiring before the insulation is put in. Insulation Over Furring - Existing Wall Application Installation Instructions Download Installation Instructions Pre-installation inspection - Check the roof area for clutter, water sprinklers, conduit and lights. We assume this is the case because we still get the occasional email from current or former clients who have also had a negative experience working with Brandon or Eric. But it was this heat loss that continually baked those houses dry and helped contribute to their continued longevity. Enter your email address to follow this blog and receive notifications of new posts by email. Install wall cladding and trim, by attaching to the furring strips. In fact, despite our well-documented experience with Evolutionary Home Builders, clients continue to hire Brandon Weiss (Dvele and Sonnen) and Eric Barton (apparently now on his own as Biltmore Homes, or Biltmore ICF) presumably because the options here in Chicago remain so limited. Installing Mineral Wool Insulation Over Exterior Wall Sheathing MINERAL WOOL, ROCK WOOL, ROCKWOOL, ROXUL, BLANKET INSULATION, BO Using those fluted nails, hammer them into the pilot holes. Also when installing your drywall on a ceiling it is a good idea to put short pieces of the one by three furring strips between the sixteen inch strips where the joints in the drywall meet. I used horizontal furring strips over EPS foam on my own house, built in 1980. Furring strips keep moisture from the drywall and provide a flush final surface. Once a dedicated metal sill pan was installed (after most of the siding was installed), it felt like we did everything we could to keep water out. I used 1/2″ plywood and 2″ foam board strips to furr it down. over horizontals. Figure 1 below shows the effect of thermal bridging of Continuous Z-Furring on x 4 in. I have also used the durabond to patch dog and cat scratches on the wood work beside doors, it seems to work really well for this also. Vertical Starter Track fastening. x 8 ft. Furring Strip Board is perfect for a wide range of uses including carpentry, hobbies, shelving and general finish work. The shelf idea is quicker to make, just cut a piece of three quarter plywood, and fit it in at the height you wont. ClarkDietrich Z-furring is used to furr out interior masonry or poured concrete wall substrates and to support rigid polystyrene, mineral, or fiberglass batt insulation while providing a uniform plane for gypsum panel attachment. For thick layers of exterior insulation (levels > 1.5 in. We also kept the 2×4’s off the concrete, while also using the Cor-A-Vent strips to establish a ventilated rainscreen so that any moisture that does get behind the siding has ample opportunity to dry out in this area before it can cause any rot. Strapping can be wood strips, metal hat channels and z-bars. This also gives strong support if in the future a ceiling fan would be installed. I have had to patch  quite a few ceilings because of cracks showing up where the joints are and this is most often the cause. Wall strapping, also known as furring is a technique used to connect 2″ rigid insulation, or 4″ rigid insulation, to walls, ceilings, roofs and top side floors. Furring strips on he walls. Also, if I had it to do over, I don’t think I’d bring up all the PH details with a plumbing or electrical contractor when getting bids since the air sealing details are pretty straightforward and can easily be planned for and executed on-site after they begin their work (assuming someone else, most likely a rough carpenter, GC, or homeowner is tasked with all the air sealing chores). In the photo below, you can see the many elements we utilized to try and prevent moisture damage around the front porch. Cut Install housewrap, overlapping the flashing and then tape some bug screen along the bottom, wide enough to wrap over the furring strips. It is my intention to explain products so you can make an informed decision on which ones suit your needs best. 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