More batt insulation installation by myself over the weekend.
This time concentrating on the 1st floor walls. Here we have walls on the west side.
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 February 2nd, 2015 January 28th, 2015More batt installation with my cousin today. Here on the first floor, where before, I only have the Roxul ComfortBoard installed, we have R22 Roxul ComfortBatt installed.
January 26th, 2015Since cutting the Roxul ComfortBoard is such a slow work, I decided to tackle it a bit over the weekend. So after 2 days of hard work, the north wall is done. Here’s the 1st floor on the west side. The 2×2 stud space are all filled. A few 2×6 wall cavities are also filled.
January 22nd, 2015More batt installation with my cousin today. Still working on north wall of the 2nd floor as well as the ceiling of the 2nd floor. Here’s the north wall around the stair opening completed.
January 21st, 2015Truck crew is back from Great Northern Insulation on Jan 20 to complete the rest of the missing areas. Here the area under the balcony is sprayed.
January 14th, 2015More batt insulation today. I’m doing batt installation myself with help from my cousin. The reason for putting in the sweat equity is due to the unusual way this house is insulated. Your typical contractor will want to do it quick and won’t do the work well. Insulation is pretty simple to do and so doing it myself allow the work to get done slowly and well. The north wall is a fire rated wall, so no spray foam is allowed in the wall assembly. Instead, we are cutting Roxul ComfortBoard R6 to fit in the 2×2 stud space. We then fill the 2×6 space with Roxul ComfortBatt R22.
January 13th, 2015Today, I started on doing batt insulation over the spray foam. The spray foam for the 1st & 2nd floor walls is about 1.5″ – 2″ thick just filling the 2×2 stud space. The 2×6 studded wall cavity will be filled with R22 Roxul batt. Here I started on the east side wall.
January 12th, 2015The production supervisor from Great Northern Insulation came by, using a Froth-Pak which has a smaller spraying gun and longer spraying distance, he tried to address all the ares that were problematic to access by the truck crews. The Froth-Pak foam is a 1.5 lb / ft3. While the purple WALLTITE ECO is 2 lb / ft3. Forth-Pack foam has an R value of 5.5 while WALLTITE ECO has an R value of 7. However, because these areas have access problem, Froth-Pak will just have to do. Here it is the Froth-pack applied to the opening left behind by the WALLTITE ECO.
December 23rd, 2014Two day before Christmas day, Great Northern Insulation scheduled to have the rest of the spray foam insulation done today.
December 10th, 2014Spray foam insulation day 2 by Great Northern Insulation. I am already informed that they are expected to get to first floor but definitely not going to finish at the end of the day. The next 3 week, they are booked solid. So I will likely need to finish the foam insulation in the new year. Here’s the 2nd floor bedroom. You can see the steel beam pocket / rim joist all fully sprayed. The 2×2 strapping is filled and the 2×2 wood is slightly covered too to give that air barrier. If you keep up to date with building science, you will know that air movement actually degrades the thermal performance of a wall much more than you would think. So a good air barrier is a must if you want a good performance for your walls.
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