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Liveable Home – Ceiling Insulation Top Up

September 28, 2014 @ 22:11 By Gavin Webber 13 Comments

Our comfortable home transformation is nearly complete.  We now have thermally efficient ceiling insulation!  Boy, does it make a difference.

So let me take you on a ceiling insulation top up journey.

A while back we booked a thermal assessment for our home with ecoMaster, a local company who operate out of Gisborne.  They suggested that we needed to top up our ceiling insulation as the blown cellulose pulp (aka pulped newspaper) was not up to the job.  We kind of new that, because whenever I had ventured into the roof space, I noticed that there were always varying depths of the pulp on top of the ceiling plaster board.

So, we saved our pennies and booked the installation.

ecoMaster

The team from ecoMaster arrived on time as promised, and the two gents, Garth and Alex were nice blokes who knew their stuff.  Funnily enough, they were just like us; green.

The product they used was called GreenStuf.  It is made from recycled PET bottles.

IMG_0864

It also does not contain any formaldehyde which is sometimes used as a binder to hold the fibres together.  It is also made in Australia, so we are supporting local businesses.

ceiling insulation

Pretty cool stuff.  We love the fact ecoMaster uses products that are made from recycled materials.  When installed correctly, it provides an insulation value of R2.5.

gaps in ceiling insulation

The gents were kind enough to take some before and after photos for us while they were crawling around the roof space.  They even found some areas that were void of insulation completely.  No wonder we had rooms that were hot in summer.

Insulation 1

Some of the spaces were fairly tight, so they certainly did a great job at fitting the stuff.  During their brakes, Garth and Alex learnt about all the cool things we do to live a more sustainable lifestyle, and I even gave them a tour.  They both talked about how they incorporate simple and sustainable living in their own lives.  It was very refreshing to talk to them both.

Insulation 2

Closer to the edge of the eaves, they found more areas that were void of blown pulp.  I don’t know how they crawled in there, but they covered up the gaps.

Bare extractor fan fitted with Top Hat

Bare extractor fan fitted with Top Hat

Also there was a massive gap around the bathroom extractor fan, so they fitted a cover which is known as a top hat.  It has two flaps that rise up when the fan is turned on.  You can see that the gap is no more and the insulation is nice and tight around the top hat.

Downlight Mitt within insulation

As for the downlight mitts that were installed a few weeks back, the insulation was able to be placed right up next to it.  No more gaps around the light fittings, and no more heat ingress through these ceiling holes.

So did it work?  Well today was proof that it did.  It was a unseasonally warm spring day at 28°C (82.4 F).  The inside temperature stayed a comfortable 22°C all day.  Additionally, a few days ago it got down to 5°C in the morning and it was still a very comfortable 18°C inside without any heating (not that we have had any on all winter).

And the cost?  All up it was $2107 including installation.  Oh, and Kim gave them a few bars of soap.  Not because they were dirty, but because no one leaves our place without a home-made gift!  It is just the way we are.

We are due to have double glazing installed mid-October, so that should also reduce the insulation factor of the north facing rooms, which get the hottest in summer.  Looking forward to having a more comfortable home during our Angry Summer and to reducing our reliance on air-conditioning!  It should save us swags off our power bill.

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Related

Filed Under: cooling, Heating, Sustainable Living Tagged With: Brass Monkey Challenge

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About Gavin Webber

Gavin Webber's daily goal is to live a more sustainable lifestyle, in an effort to reduce his family's environmental footprint so we can all make a difference for our children & future generations to come.

Learn more about him here and connect with him on Twitter, Facebook, and Google+.

Comments

  1. Michael says

    September 28, 2014 at 23:48

    Cool (literally)

    nice photos of the job Gav.

    Cheers

    Reply
    • Gavin Webber says

      September 29, 2014 at 08:42

      Thanks Mick. Sorry to hear about your fence.

      Also, hope you are on the mend.

      Gav

      Reply
  2. Madeleine says

    September 29, 2014 at 07:34

    Looks great, Gavin, thanks for sharing. The green credentials look good – but do you know if there is any off-gassing at all?

    Thanks, Madeleine.x

    Reply
    • Gavin Webber says

      September 29, 2014 at 08:44

      Hi Madeleine. Apparently not. There was no typical VOC smell to the batts at all.

      Gav

      Reply
  3. rabidlittlehippy says

    September 29, 2014 at 08:12

    We had our insulation done in Autumn and we’ve noticed a MUCH warmer house over the winter and into the spring. I look forward to hearing updates as to how it helps balance the heat over summer. Have you considered those whirly bird things that extract ceiling heat?

    Reply
    • Gavin Webber says

      September 29, 2014 at 08:46

      Hi Jessie. We have one of those already on the roof to allow the heat to escape. It doesn’t help that the roof tiles are painted dark grey.

      I have tried to convince Kim to get a lighter colour, but she is not budging at the moment.

      Gav

      Reply
      • rabidlittlehippy says

        September 29, 2014 at 10:07

        We have painted our roof in a very light grey and from a distance it looks like metal finish (we have a corro roof though). With dark grey trims and the cream walls I think our place looks fantastic! Maybe if she sees our roof it might help change her mind. I’ll work extra hard to clean the joint up before inviting you up though. Extra impact and all that. 😉

  4. Lynda D says

    September 29, 2014 at 08:47

    Gosh you are tempting me Gav but i think ill get “the big secret” out of the way first.

    Reply
    • Gavin Webber says

      September 29, 2014 at 09:03

      Can’t wait until the cat is out of the bag!

      Reply
  5. silentclaw says

    September 29, 2014 at 08:48

    You might want to look into getting the bathroom exhaust vented properly out through the roof; venting into the attic can cause moisture buildup there, and all sorts of nasty mold / mildew / rot problems.

    I also live somewhere with much colder winters; I’ve got R-30 insulation in the attic, and R-19 between the finished basement (kept at 50 in the winter) and the first floor.

    Reply
    • Gavin Webber says

      September 29, 2014 at 09:03

      Thanks for the tip. In our dry climate, there is not much chance of mildew or rot.

      Also, there is so much airflow up in the roof space, moisture does not build up.

      If this was not the case, I would definitely take up your suggestion.

      Reply
    • Darren (Green Change) says

      September 29, 2014 at 12:08

      @silentclaw: It sounds like you’re quoting US R-values. The ones Gav mentioned are metric, which work out to roughly 1/6th of US R-values. So your R-19 equates to our R-3, and your R-30 equates to our R-5. Still, R-5 would be a very high value here in Australia – we generally don’t have the extreme cold to keep out, so don’t often go above about R-3 or R-3.5 in our rooves.

      @Gav: The photos show the underside of your roof tiles. Have you investigated retro-fitting sarking?

      Reply
      • silentclaw says

        September 30, 2014 at 22:11

        Yes, US R values . . . that explains why I thought yours were so low! I didn’t know that the R values changed when dealing with metric countries 🙂

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An Ordinary Australian Man Who Has A Green Epiphany Whilst Watching A Documentary, Gets a Hybrid Car, Plants A Large Organic Vegetable Garden, Goes Totally Solar, Lowers Consumption, Feeds Composts Bins and Worms, Harvests Rainwater, Raises Chickens, Makes Cheese and Soap, and Eats Locally. All In The Effort To Reduce Our Family's Carbon Footprint So We Can Start Making A Difference For Our Children & Future Generations To Come.

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