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Author Topic: Meanwhile in Canada 🇨🇦  (Read 105034 times)

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Offline TeeJay

Re: Meanwhile in Canada 🇨🇦
« Reply #1280 on: January 08, 2020, 05:13:08 am »
Thanks - yep, some of them I really wonder but there seem to be some pretty good builds out there too. I really like the homes they build with solid wood logs interlocking on the corners. I don't know how they insulate those though cos it looks like solid beam on the outside and solid beam on the inside.It sure looks nice.

I guess they know what they're doing.
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Offline roxenz

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Re: Meanwhile in Canada 🇨🇦
« Reply #1281 on: January 08, 2020, 07:19:26 am »
Aah! The light bulb goes on! Walking around Calgary a couple of years ago, I noticed that the "foundations" for new houses are 2 storeys deep. Couldn't figure out why. Now I know, you have to live like a troll to escape freezing during winter!  :biggrin:
 

Offline Fudmucker

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Re: Meanwhile in Canada 🇨🇦
« Reply #1282 on: January 13, 2020, 06:01:23 am »
Thanks - yep, some of them I really wonder but there seem to be some pretty good builds out there too. I really like the homes they build with solid wood logs interlocking on the corners. I don't know how they insulate those though cos it looks like solid beam on the outside and solid beam on the inside.It sure looks nice...

Timber in itself is a good insulator if thick enough - the problem with log homes is the gaps between the logs.
In traditional log construction they used to caulk the joints with moss - you can see videos on YouTube showing this.
These days professionals log cabin builders router out a groove in the logs and use an insulation strip before caulking with a type of cement.
You also get a form of log construction where the logs are cut flush top and bottom and grooved for jointing strips.
Certain Scandinavian styles cut the logs into square block sections before building.

Watching 'Building Alaska' I also wondered about the lack of a condensate gap. 
To be most effective, that waterproofing should run over 'counter-battens' running down the slope, or else those spacer strips shown (called battens) will just rot prematurely as the condensate cannot run out freely.  The waterproofing forms a natural sag to drain condensate into the middle of the gap and then out below the space strips.

Also, the BA guys screw the sheeting down in the trough instead of in the raised profile so many more leaks can be expected.
I guess it is done for speed of filming...?

To build really well for posterity, it should be:
Trusses or beams
Board or tongue and groove strip as ceiling
Counter-battens above each beam/truss
Rigid insulation between counter-battens
Waterproofing / vapour barrier sheeting
Battens
Sheeting screwed to battens through the ridges.

Many roofing sheets have patented fixing methods to ensure secure fixing without making holes in the sheeting at all.

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Offline immigrant

Re: Meanwhile in Canada
« Reply #1283 on: January 13, 2020, 12:22:22 pm »
Also, the BA guys screw the sheeting down in the trough instead of in the raised profile so many more leaks can be expected.....

Sheeting screwed to battens through the ridges......



This video explains why they screw on the “flat”, and not on the ridge, especially in climates with heavy snow loads. The “ridge” screw starts to tear through the tin. That being said, screw placement does depend on the manufacturer
« Last Edit: January 13, 2020, 12:28:01 pm by immigrant »
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Offline TeeJay

Re: Meanwhile in Canada 🇨🇦
« Reply #1284 on: January 14, 2020, 06:42:24 am »
Interesting - but isn't there a weak spot on the top ridges then where the panels overlap i.e. what holds the two panels where they overlap "together" (particularly on the top ridges)?
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Offline Blou Zebu

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Re: Meanwhile in Canada 🇨🇦
« Reply #1285 on: January 14, 2020, 08:01:37 am »
Interesting!
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Offline Fudmucker

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Re: Meanwhile in Canada 🇨🇦
« Reply #1286 on: January 14, 2020, 09:45:49 am »
The design of that sheet precludes ridge fixing entirely.
They have made the sheet as wide as possible by reducing the ridge height and width.
The "maximum coverage = minimum cost lie."
Notice how the sheeting dents where the roofing screws have been screwed in with the power tool ?
That shows me that the fixings are over-torqued and that sheeting is paper thin so just walking on it could dent it.
You would need to fully support the sheet to walk on it.
That's why there are no strip battens for condensation...

29 gauge is thinner than the 'economy' grade of box rib roof sheeting in South Africa which will dent if you just press it too hard.
24 gauge is on a par with the 'economy' grade of box rib roof sheeting in South Africa.
22 gauge is the preferred commercial grade sheeting thickness here. (0,8mm)
« Last Edit: January 14, 2020, 09:59:26 am by Fudmucker »
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Offline woody1

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Re: Meanwhile in Canada 🇨🇦
« Reply #1287 on: January 14, 2020, 10:14:59 am »
I fix my IBR from the top ridge with TEK screws.  I cut 20mm plastic conduite pipe in lengths and insert it under the ridge.

yes a bit of a pain to do it by yourself, but with 2 people it is easy and it prevents the IBR from collapsing.


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Offline TeeJay

Re: Meanwhile in Canada 🇨🇦
« Reply #1288 on: January 14, 2020, 11:25:08 am »
My money is on Fudmucker and Woody1 teaching those Canuks a thing or two about roofing  :3some:
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Offline woody1

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Re: Meanwhile in Canada 🇨🇦
« Reply #1289 on: January 14, 2020, 11:39:03 am »
No man we are just PRACTICAL okies  :laughing4:

I WOULD RATHER BE AN HONEST ASSHOLE .... THAN A FLIPPEN LIAR !   


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Offline immigrant

Re: Meanwhile in Canada 🇨🇦
« Reply #1290 on: January 14, 2020, 04:44:14 pm »



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Offline immigrant

Re: Meanwhile in Canada 🇨🇦
« Reply #1291 on: January 14, 2020, 05:04:31 pm »
That shows me that the fixings are over-torqued and that sheeting is paper thin so just walking on it could dent it.
You would need to fully support the sheet to walk on it.
That's why there are no strip battens for condensation...


You could still walk on it, as long as you step on the screws which should be attached to the strip battons (they are spaced 16”
apart.
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Offline boland

Re: Meanwhile in Canada 🇨🇦
« Reply #1292 on: January 14, 2020, 06:17:49 pm »



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Good Lord! Do you even go outside in this sort of weather?
 

Offline immigrant

Re: Meanwhile in Canada 🇨🇦
« Reply #1293 on: January 14, 2020, 06:23:54 pm »



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Good Lord! Do you even go outside in this sort of weather?

Unfortunately, yes. The show must go on. Only thing different is the school bus doesn’t  run if it hits -40C.
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Offline ChrisL - DUSTRIDERS

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Re: Meanwhile in Canada 🇨🇦
« Reply #1294 on: January 14, 2020, 06:50:49 pm »
Good Lord! Do you even go outside in this sort of weather?

Immigrant at what temps do you stop peeing outside?!! ;)
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Offline immigrant

Re: Meanwhile in Canada 🇨🇦
« Reply #1295 on: January 14, 2020, 06:54:17 pm »
Good Lord! Do you even go outside in this sort of weather?

Immigrant at what temps do you stop peeing outside?!! ;)

 :biggrin: I draw the line at -16.5C
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Offline woody1

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Re: Meanwhile in Canada 🇨🇦
« Reply #1296 on: January 14, 2020, 07:44:04 pm »
Wind af :laughing4:

I WOULD RATHER BE AN HONEST ASSHOLE .... THAN A FLIPPEN LIAR !   


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Offline TeeJay

Re: Meanwhile in Canada 🇨🇦
« Reply #1297 on: January 14, 2020, 08:57:41 pm »
Good Lord! Do you even go outside in this sort of weather?

Immigrant at what temps do you stop peeing outside?!! ;)

 :biggrin: I draw the line at -16.5C

 :imaposer:
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Offline ChrisL - DUSTRIDERS

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Re: Meanwhile in Canada 🇨🇦
« Reply #1298 on: January 14, 2020, 10:49:51 pm »
Good Lord! Do you even go outside in this sort of weather?

Immigrant at what temps do you stop peeing outside?!! ;)

 :biggrin: I draw the line at -16.5C
Is dit nou cm of grade celsius? ;) :peepwall: :lol8:
« Last Edit: January 15, 2020, 09:33:15 am by ChrisL - DUSTRIDERS »
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Offline Fudmucker

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Re: Meanwhile in Canada 🇨🇦
« Reply #1299 on: January 15, 2020, 03:42:45 pm »
I fix my IBR from the top ridge with TEK screws.  I cut 20mm plastic conduite pipe in lengths and insert it under the ridge.

yes a bit of a pain to do it by yourself, but with 2 people it is easy and it prevents the IBR from collapsing.

To prevent damaging the ribs when using roofing nails or by over-tightening of patent roofing screws,
I prefer a planed 38x38 batten under the overlapping ribs, a sealer strip along the joint with short self-tappers and galv+rubber washers to prevent the joint from collapsing if walked on. 
You actually fix each sheet to the purlin using a TEK screw (or similar) through three of the five ribs per sheet - just as you showed.
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