Yay, we have cement in our basement!
We finished placing down the 4″ rigid insulation last night. Also we installed our 2×4 thermal breaks in the foam pockets I’d previously cut out of our Superior Wall bays. As an added measure I also sprayed some expanding foam in the gaps between the 2×4’s and the blue foam in the walls. I also sprayed around the base of the steel columns and any other misc. places I could see. I didn’t go completely nuts with the spray foam but the little bit I did should help. There were some gaps in the our insulation here and there but I doubt any of it will add up to anything meaningful. Afterall we’re dealing with constant temperature earth, then rigid and then 4″ of cement. On top of that eventually is any furnishings like carpet, drywall, etc. plus more wall insulation. The basement should be fine and toasty, or cool depending on the time of year.
I’ll share some photos from the day with you….
Here are the pressure treated 2x4's in the pockets I cut out of the foam walls. I used liquid nails to adhere the 2x4's. You can see how nicely everything is lining up on our level lines on the studs. 4" gravel, 4" foam, then 4" cement.
I ran out of daylight last night so I woke up and was the first person in line at Lowe’s to get some more spray foam. I scampered out to the site and the cement contractor and pump truck were already set up by 7:30am. I snuck downstairs and sprayed a few last-minute spots while they laid down the rebar on top of my rigid insulation.
Rough plumbing for the bathroom. We had to move the horizontal pipe up 4" after this picture so it'd clear the foam and cement. I'm not sure these pipes are all in the right place....probably something I should've checked before they poured the basement this morning.
Morning in Lowes parking lot. Mmmmm...pretty. Now back to work
Because our lot isn’t back filled yet and the general difficulty in getting to the main house, we had to employ a pump truck to pour the basement floor. It was pretty neat to see. I cement truck basically backs up to the pump truck and dumps the cement in to a hopper. The pump truck then out reaches its long boom and pumps the cement into the basement through the stairwell. The boom is operated via remote control. We ended up needing two trucks worth of cement to do our basement.
Here's a good view of the job site with the pump truck and cement truck getting ready to pump cement into the basement.
The boom is controlled via remote control by the operator, standing to the left in this picture.
The floor was poured in about 1-2 hours. By 10:30am they were finishing off the top surface of the cement and using a trowel to cut the expansion joints in the cement floor. The cement flowed into the bays of the foundation walls, locking everything together like a giant jigsaw puzzle. Will be interesting to see what kind of cracking develops in the floor over time as the house settles.
Christine brought the boys out to see the cement truck and pump truck. I thought the trucks were pretty neat to see up close too.
Picture of the poured basement. Very cool indeed. Starting to look and feel like a house. Eventually somewhere in there we'll have a play room, storage room, bath and maybe even a home theater with tiered seating.
Now that the foam is down and floor is poured, my work out at the site pretty much revolves around keeping things clean and orderly. I took out two new shiny trash cans. One for trash and the other for recyclables. Eventually we’ll probably get one of those large dumpsters for construction waste. I’ve got a call into a supplier that rents them and claims to recycle up to 80% of the contents. In the meantime I’ve started separating our construction waste and setting it off to the side. I’ve got a lot of foam cut offs that I need to figure out what to do with. Hopefully they can be recycled, if not they may end up being landfilled or maybe I can use them up in my studio floor.
We picked up these nice Rubbermaid cans at Home Depot or Lowes (I didn't actually go to buy them, the in-laws did, I just hauled them out to the site). They both fit in the VW. Not sure if anyone will use them but they make me feel better; at least I'm trying..
The excavator starts back filling this weekend and we’ll be ready to go when the framers come back to start framing the first floor. Then ProjectCam will really have something to take pictures of and the house will start taking shape
I started separating the construction waste as well as storing the various building materials off to the side. Backfilling starts soon so I want to make sure things are organized.