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Preparing Insulated Moisture Barrier and Forms for Foundation Pour

The Norwell home is getting ready for the foundation pour. It will be a monolithic or single pour as they create the slab and frost walls. Todd LaBarge of LaBarge Engineering reviews some of the steps involved in the process. They will be using an innovative insulated form called ReddiForm. To create the frost wall, they dig down four feet and insert the ReddiForm blocks that snap together. These polystyrene forms can withstand the pressure of backfilling because they have a structural interior web that reinforces them. The frost wall is backfilled and a rebar cage is inserted into and over the ReddiForm blocks. The front face of the form is cut out and the rebar is extended out across the surface where the slab will be poured. The bearing is then transferred up to the top of the slab using this method, which achieves in one pour what would normally require three�footing, frost wall, and floating slab. A column pad is put in place to increase the load for the load-bearing wall. The product used for underslab insulation is called Insul-Tarp. Insul-Tarp can be laid out quickly and easily, saving time and labor costs. This is an all-in-one reflective and insulated vapor barrier. When the radiant tubing is put down over the barrier it will reflect the heat back into the living space instead of allowing it to pass into the ground.

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Chapters from this episode

Building with ReddiForm ICFs Now Playing

Building with ReddiForm ICFs

Preparing Insulated Moisture Barrier and Forms for Foundation Pour Now Playing

Preparing Insulated Moisture Barrier and Forms for Foundation Pour

Protecting Local Wetlands Now Playing

Protecting Local Wetlands

Expanding a Home to Create an In-Law Suite Now Playing

Expanding a Home to Create an In-Law Suite

Pouring the Concrete Foundation Now Playing

Pouring the Concrete Foundation

Using Insulated Polystyrene Forms for Foundation Footings Now Playing

Using Insulated Polystyrene Forms for Foundation Footings

Clip Transcript For:

Preparing Insulated Moisture Barrier and Forms for Foundation Pour

computer-generated transcript - may not be 100% accurate

" OK we're getting ready to us that our first pour here at this project and we're just finishing out the footings. We're going to be pouring this all and they monolithic pour then we're going to be able to do this by. Using reddiform and this is the first part we're gonna use reddiform today. Where would it achieve our frost wall. By going down four feet and these these blocks. We can do that and backfill it because these blocks have a web in it and they can take compression -- to -- the huge advantages of reddiform. They drew together -- lot more than escalators. Yeah. The -- snap together like that and then we stacked our four foot wall up here and started to backfill it that the wall was down four feet. And we've got a rebar cage in and then -- we'll shoot here asked his hunch. The forms so we cut out the front face of the form. And extended our rebar and and essentially what we did is transfer our bearing up to the top of the slab. And conventionally this job would have taken at this stage three -- who have done a footing. A frost wall and then a floating slab inside forward by -- by being able to do this with a ready form. We are going to do all three of those pours in 14. This is actually after putting we have. Fill coming up but there's a wall above here -- at a later point. There's four foot of frost protection which is going to be with soil which is going to be the dirt that's gonna give us our frost protection so we've put our footing right here. And this is ten inches thick. Verses. Four inches thick here and that's what we call it is our hearts -- footing. So we've had this is deeper and goes up to a shallow or just going to be the concrete slab for the garage floor. This is that grade because there's only four feet of fill on this side. On this side there's the group are observe and be the garage doors -- garage doors and -- can drive in therefore we need a frost wall. And by using reddiform here. We can get our frost protection four foot frost protection that's required by code and have an integral footing which is a huge savings of time's going to just take take us. Three pours and turn into world war and we'll be graded do walls tomorrow. And this is a."

" Which is gonna give me the bearing for my load bearing wall. For the main beam that's gonna come down. This is also Hans footings in the in our main beam or wall is gonna come right down the middle of the garage door on the floor is gonna get framed onto that. With the as a frost wall only the reddiform didn't provide enough bearing for the point load that's gonna come right here. So we created this column pad which is going to be tied into the footing. And truly it's all monolithic. -- for the column will come down right on this point."

" Okay concrete it's coming we're gonna get rid of course in this food product that we're using for under slab insulation is called pencil -- We've been -- and -- because for one of the main reasons is the guys just started laying mental tarp about ten minutes ago. And we're done and ready for the concrete truck."

" Whip -- and it rolls out here. Its forms the insulation. In the vapor barrier so the labor savings -- it is huge in the cost is pretty much from parable. To use in a rigid insulation. The end of the poly vapor barrier but. The labor is gonna be. You're gonna save on some labor so this is provincial council made up it's is designed to be reflective so when you put her radiant tubing on here. It will. Reflect the heat from the radiant tube so you better than reflective -- if you've got another kind of an air bubble there. And then to -- of some roll out insulation and another reflective where. So. It's all on one and it comes out."

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