Step-by-Step: concrete slab and metal roof

Leaving our mark on the laundry room floor.

Leaving our mark on the laundry room floor.

After a bit of a lull, it is another exciting week on the build site.

On Monday the concrete guys arrived to pour the slab. They freaked out our builder, George, when they drove 3 metal spikes of rebar right through our oh-so-carefully designed sub-flooring (they use them as a mark for level in the middle of large sections). When he saw it, apparently George said (referring to me) “Omg you guys, she is going to kill me.” But he made it right – he removed them and filled the holes with spray foam and taped over the vapour barrier, and they were able to come up with a more unorthodox (yet still effective) way for them to measure the height of the pour. Between that and the “crazy-thick” insulation we had laid down, George was on the receiving end of some heavy (but good-natured) teasing from the concrete crew. But they have worked together on many projects so it was all in good fun.

A familiar sight by now: cement mixer and pumper truck.

A familiar sight by now: cement mixer and pumper truck!

The pouring begins: this was quite the operation, with guys moving it around, raking it flat, and troweling along the edges.

The pouring begins: this was quite the operation, with guys moving it around, raking it flat, and troweling along the edges.

Smoothing out the edges near an exit door.

Smoothing out the edges near an exit door.

They did a great job navigating around all the plumbing lines.

They did a great job navigating around all the plumbing lines.

Finished! Now it needs to dry.

Finished! Now it needs to dry.

This was our chance to make our mark: we woke the kids up and dragged them outside so we could leave our handprints in the floor of what will be the laundry room (see the photo at the top of this post). That’s my husband’s hand on the top left, and mine on the top right, my daughter’s in the middle, and my son’s on the bottom. I added the year, and my daughter added the smiley face. They didn’t get why this was so important to us, but they will understand one day, many years from now. My son summed up the experience by saying: “This is my life right now – I get woken up early to go outside and stick my hand in dirt!”, which gave us all a good chuckle.

Later that day…

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Power troweling: this was only 4 hours later and they could walk on it already!

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Closeup of the power trowel machine.

And while all that was going on, the metal roofing arrived!

Why metal? Two big reasons: first, it’s extremely durable so we will never have to replace this roof in our lifetime; second, you can harvest rainwater from a metal roof without fear of petroleum-based contaminants leaching into the water (such as occurs with asphalt shingles). With our dry summers and growing issues around water conservation, that was an important issue for us.

After much consideration, I chose a clear-coated galvalume roof (coloured metal roofs are made from the same material, but with a colour application baked on top). I love the bright look of silver, and the raw nature of the metal fit well with the rustic elements of the house design. While coloured metal roofs are beautiful, to me they are more fitting for a traditional painted home, or one in a suburban or urban setting.The raw metal will be the perfect complement to our rough-cut cedar board-and-batten siding and red windows. This image below shows a home with very similar finishing, and is the original inspiration for my choice of roof colour.

The photo inspiration for our exterior finishing choices.

The photo inspiration for our exterior finishing choices. Our home will have the same siding and window colour.

Close-up of our clear-coated galvalume roofing. The metal has a very subtle speckled appearance, and the colour changes with the light in a way that I find really lovely.

Close-up of our clear-coated galvalume roofing. The metal has a very subtle speckled appearance, and the colour changes with the light in a way that I find really lovely.

They started with the lower-slope areas (view of the west side of the house).

They started with the lower-slope areas (view of the west side of the house).

Working around the skylights (view of north side).

Working around the skylights (view of north side).

They expect to have the roof finished by Friday – I can’t wait to see it all done! Meanwhile, we had a visit from the local fireplace shop to measure for our freestanding wood-burning stove. And the polished concrete guy is coming this week to go over our choices for finishing the slab. Stay tuned!

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Categories: New House Build, Step by Step series | 2 Comments

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2 thoughts on “Step-by-Step: concrete slab and metal roof

  1. Cool handprints! Love your son’s comment!

  2. Wonderfull—when will the project be done? Open house? From Dave and Doreen living 1 year in Kennethparkduncan.com. Environment 16 unit condos. Check it out!

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