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alexp79
1,290 Posts
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alexp79

Joined 4 May 2017
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8 h8 halexp79alexp79 posted:
Roof insulation and building code

Foils needs to be placed at the top, to prevent extra heat coming from the roof space.
But yes, you can do it either the way you described or the…

9 h9 halexp79alexp79 posted:
Roof insulation and building code

Similar or same materials. It is continuous insulation, hence, reduces thermal bridging. You can also run 2 of them on top of each other for better insulation.

9 h9 halexp79alexp79 posted:
Roof insulation and building code

Over the joists, correct. Insulation in batts will certainly add extra points. But what about downlights, electrical cabling, etc.? Make sure you do not create fire hazard. I would be…

9 h9 halexp79alexp79 posted:
Roof insulation and building code

When you apply roll, you generally would have to seal with polyutherane the gaps around penetrations. Small hard-to-seal type of gaps are still okay, they won't be really adding significantly…

10 h10 halexp79alexp79 posted:
Roof insulation and building code

Why not to go with the roll/blanket?

1 d1 dalexp79alexp79 posted:
Window sizes

2.1 m meaning they will be terminating at 2.1 m? I would make more sense to have 2.4 m windows/ext. doors at 2.7 m ceilings unless you are planning to…

3 d3 dalexp79alexp79 posted:
Urgent help regarding slope

is waffle pod slab even allowed on E class soil???
I would say this is pretty much a crime on spot to specify waffle pods on E class.
And yes, you would…

5 d5 dalexp79alexp79 posted:
has anyone tried hempcrete before?

I am building with Durisol. It is also sustainable material e.g. woodcrete.
PM me if you need more details.

5 d5 dalexp79alexp79 posted:
Site cost - boreholes

I think it is okay, you would most probably require piers to around 1200-1500 due to uncontrolled fill.
How did he explain the difference?

6 d6 dalexp79alexp79 posted:
Site cost - boreholes

Means you have rocks at 1500-1600

6 d6 dalexp79alexp79 posted:
Typical cost per sqm for high-performance/passivhaus homes?

I would like to stress again difference between having just a passive house and complying to PassivHaus standard.

7 d7 dalexp79alexp79 posted:
Door height help needed.

For this ceiling height do you not shoot for anything over 2040 mm for both external and internal doors (unless you do floor to ceiling frameless minimalistic interior doors). If…

7 d7 dalexp79alexp79 posted:
Smart light switch - Something you should have

Hi CTEC,
I wonder if your switches allow the configuration for the level of glow at night? e.g. I don't want some of my switches to glow brightly.

8 d8 dalexp79alexp79 posted:
Typical cost per sqm for high-performance/passivhaus homes?

Passivhaus will be nearly impossible to achieve with standard timber frame construction. It will be extremely hard to seal the timber framed house completely as due to moisture and temperature…

12 d12 dalexp79alexp79 posted:
Some Slab Protection Questions Please

"... fall of 50mm minimum away from the footing over a distance of 1m "
clay should be well compacted (meaning it looks like it is being smoothed with something and…

Some Slab Protection Questions Please
12 d12 dalexp79alexp79 posted:
Best area to place noisy server

what about garage then? you just make your garage doors opening outside and use valuable wall space to place a server rack.

13 d13 dalexp79alexp79 posted:
Some Slab Protection Questions Please

Yes, it is a film made of waterproof plastic, sometimes can be also referred as geomembrane.

  ⋅  1
13 d13 dalexp79alexp79 posted:
Constructing a house on a block with 4m fall

It will impact the budget to the extend you would need to put in retaining walls and extra stair cases, as well as make some of your ceilings higher.
Yes, a…

14 d14 dalexp79alexp79 posted:
Some Slab Protection Questions Please

You would use non porous fill such as compacted clay when grading away (i.e. clay lock).
A good design will be to also install a layer of builder's film under…

14 d14 dalexp79alexp79 posted:
Builder put private power pole on Driveway

well... do you why do even need a pole there, to begin with?
why they can't just dig cables under the ground and then they bring them above to your power…

  ⋅  1
16 d16 dalexp79alexp79 posted:
Best area to place noisy server

Better option would be to consider installing Wi-Fi 6-based mesh system and use Wi-Fi based cameras (which can stream directly to the Cloud or to your local video server over…

16 d16 dalexp79alexp79 posted:
change wall mixers after handover easy?

I would rather say it all depends on what type of mixer you are replacing.
If mixers are not built into the wall - it is literally 10 min job.…

18 d18 dalexp79alexp79 posted:
Floor plan feedback

Yes, but keep in mind that for floor to ceiling door there should be quite significant overhang.

18 d18 dalexp79alexp79 posted:
Floor plan feedback

I would still be careful with floor to ceiling glazing at the north as while allowing winter sun you would also need to make sure those areas are also well…

18 d18 dalexp79alexp79 posted:
Steps to front door

you should never mix the riser height and try your best to keep all your risers to be of the same height. As otherwise, risks of slip and fall will…

18 d18 dalexp79alexp79 posted:
Million dollar home in Perth

Well, my latest BASIX came up as 9.4 stars, however, they were not able to find right windows so they used one with U value of 1.2, while the actual…

19 d19 dalexp79alexp79 posted:
New house steel vs timber frame

If you are building custom house, I would recommend also considering alternatives such as ICF using Durisol-Nexcem blocks.
It uses woodcrete formwork (made of 90% of timber mixed with portland cement)…

19 d19 dalexp79alexp79 posted:
3m ceilings volume builder Sydney

those are not really transoms per se, more like two windows

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19 d19 dalexp79alexp79 posted:
New house steel vs timber frame

Not only noise (due to temperature contraction/expansion) but also steel frames will never be performing well thermally as steel is the major thermal bridge.
It won't help much against preventing…

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