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The Orangerie - fibreglassing FINISHED!

This is where we don't want anything but evidence of your finest wood butchering in all its glorious, and photograph laden glory. Bring your finished products or WIP's, we love them all, so long as there's pictures, and plenty of 'em!

Re: The Orangerie - roof skeleton in place

Postby Andyp » 09 Oct 2018, 09:20

Roger, what is holding that scaffolding down? Presumably when you get a tarp on the type of breezes you get up there will just get underneath it.
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Re: The Orangerie - roof skeleton in place

Postby RogerS » 09 Oct 2018, 12:30

Andyp wrote:Roger, what is holding that scaffolding down? Presumably when you get a tarp on the type of breezes you get up there will just get underneath it.


I'm kind of hoping that the sheer weight of the scaffolding will keep it in place. There's over 400kg of steel tubing !
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Re: The Orangerie - roof skeleton in place

Postby Andyp » 09 Oct 2018, 14:57

On that basis Roger why do high sided vehicles get blown over? I hope you are right and with the usual caveat of me knowing nothing I would try and anchor that scaffold if it were me.
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Re: The Orangerie - roof skeleton in place

Postby RogerS » 09 Oct 2018, 17:14

Andyp wrote:On that basis Roger why do high sided vehicles get blown over? I hope you are right and with the usual caveat of me knowing nothing I would try and anchor that scaffold if it were me.


Some maybe are unloaded and don't forget that they are moving and so a 30mph crosswind is considerably stronger.
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Re: The Orangerie - roof skeleton in place

Postby Andyp » 09 Oct 2018, 17:31

Well I sincerely hope you are right.
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Re: The Orangerie - roof skeleton in place

Postby RogerS » 09 Oct 2018, 18:36

Andyp wrote:Well I sincerely hope you are right.


:D

Actually I think the tarpaulins will rip before the scaffolding takes off. They're supposed to be heavy duty. If they are then I'd hate to use their normal ones.

You do make a good point and I may screw down the orangerie a bit more.
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Re: The Orangerie - roof skeleton in place

Postby Mike G » 09 Oct 2018, 20:36

Forget the orangery, Roger. It's obvious you should be building a windmill! :)
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Re: The Orangerie - roof skeleton in place

Postby RogerS » 09 Oct 2018, 21:50

Mike G wrote:Forget the orangery, Roger. It's obvious you should be building a windmill! :)


OK....I confess. I want to beat Virgin Galactic to be the first into space :lol:
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Re: The Orangerie - roof skeleton in place

Postby RogerS » 10 Oct 2018, 14:46

Back on hold again.

I took a closer look at the plastic tarpaulins that I'd planned to use. They were described as 'reinforced' 'heavy duty'. Rubbish. No reinforcement. Thin as anything. No nylon mesh embedded in them. They will rip at the slightest breeze. Damn glad I didn't take off my protection covering this time.

Went back to the company who supplied that clear tarpaulin I had covering my gazebo when the workshop was being done. Bit more expensive but considering what it went through, worth the little bit extra.
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Re: The Orangerie - roof skeleton in place

Postby RogerS » 15 Oct 2018, 15:22

So new tarpaulins arrived and Callum been and gone. I stuck my micrometer on the two types of tarpaulins. The first ones measured 3 thou. The second ones (like what I had before) are 15 thou with substantial nylon webbing moulded in.

Lots of reinforcing cat's cradles to give a bit more support

Image

Padding on an scaffolding poking out to try and prevent chafing of the tarpaulin

Top sheet in place. I had to remove it after originally fitting in place as I'd assumed it would be packed so that the longest side unfurled as it were. Sod's Law said it was the other way round.

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Aargh...start again

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I got it in place by concertina'ing it up at one end. Fixing a rope to the two corners and one dead centre pulling on a couple of eyelets. This latter one proved essential as it prevented the middle part of the tarpaulin from dragging behind the two outer edges and causing fouling on bits and bobs.

Really, really tricky finessing the various tarpaulin sheets as the scaffolders had never built anything like this to accommodate tarpaulins and so many scaffold poles got in the way.

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But after a very long day and all on me tod

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we have a cover.

And inside...bluddy luxury

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Re: The Orangerie - roof skeleton in place

Postby 9fingers » 15 Oct 2018, 16:28

That looks just the job Roger. There will be no stopping you now.

I presume the lantern is coming as a kit of parts for assembly in situ then rather than craned into place?

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Re: The Orangerie - roof skeleton in place

Postby RogerS » 15 Oct 2018, 16:39

9fingers wrote:...
I presume the lantern is coming as a kit of parts for assembly in situ then rather than craned into place?

Bob


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Re: The Orangerie - roof skeleton in place

Postby 9fingers » 15 Oct 2018, 16:45

RogerS wrote:
9fingers wrote:...
I presume the lantern is coming as a kit of parts for assembly in situ then rather than craned into place?

Bob


Built by my own fair hands.


In tree wood or are you buying alloy extrusion?

Either way plenty of fun with compound cuts lol.

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Re: The Orangerie - roof skeleton in place

Postby RogerS » 15 Oct 2018, 16:52

Very simple construction. Ridge board and rafters. Having said that it's all new to me. I think I need birdsmouths or some such.

Aluminium extrusion then to go on top for the glass to seal onto. Not sure yet about the hip part but I'm sure SketchUp will tell me.
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Re: The Orangerie - roof skeleton in place

Postby Andyp » 15 Oct 2018, 17:21

It's going to be like a greenhouse in there, if the sun ever shines.
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Re: The Orangerie - roof skeleton in place

Postby Malc2098 » 15 Oct 2018, 17:28

Proper job!
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Re: The Orangerie - roof skeleton in place

Postby RogerS » 15 Oct 2018, 18:23

Andyp wrote:It's going to be like a greenhouse in there, if the sun ever shines.


Yup..it was quite toastie in there today.
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The Orangerie - roof skeleton in place

Postby Rod » 15 Oct 2018, 18:58

It looks very nice and toasty Roger.

I’ve been watching the rebuilding of the sailing boat Tally Ho on utube.
He covered the boat with timber frames and tarpaulins by himself which has survived one winter in NW USA. Fascinating programme to watch, he’s back in Cornwall looking at 65’ clear lengths of Douglas Fir specially grown there for boat masts. The trees have most of their branches removed during growth to prevent knots.

https://youtu.be/fKN0q3iZ5sQ

https://youtu.be/l-oVJXGwT6k

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Re: The Orangerie - roof skeleton in place

Postby RogerS » 21 Oct 2018, 12:03

So now I'm in the dry (well, sort of...see later) I can crack on. The metal hangers will foul where my upstand is going

Image

(you can see my firring piece as per forum instructions !

Easily rout-outable

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I then angled the table saw to match the slope of the firring piece and ripped the first piece of upstand.

This then left me with the other half to go on top of the OSB (because I decided for integrity to run the OSB all the way through from the outer edge to the inside opening.

Image

Corner firring piece to change the slope between sides

Image

and one side nearly OSB'd

Image

But you can see my problem. Water pools all over the place and I'm having to spend a lot of time pushing the water up and down to the next pool and up and down to the next pool. Trouble is that this tarpaulin isn't that good and drips...not impressed. In a strange sort of way, wind is my friend as if there's not much water pooling, the wind will throw up the tarpaulin and discharge the water.

Image

Image

which is fine onto the concrete floor but not onto the OSB which needs to be bone dry to fibreglass.

So I have a few fibreglass questions.

1) Can I fibreglass the roof in stages ?

2) The guttering channel (wood with applied decorative mouldings) will be a last minute job as I can't easily get to it with the scaffolding. Plus I could see the scaffolders standing on it :evil: So what can I do at the edges? Can I just wrap the fibreglass mat over the edge corner or do I have to use those preformed drip edges ?

Image

3) I'm aware that I may need to get some cobalt stuff if the temperature drops too much but anything I should be aware of when using it ?

4) How dry does the OSB have to be ? See below

Back to drips, I discovered that condensation can accumulate on the underside of the tarpaulin so that when a gust comes along, I get rained on !
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Re: The Orangerie - roof skeleton in place

Postby RogerS » 21 Oct 2018, 12:05

I'm also starting to think about the rafters for the roof lantern and found endless calculators online. But then :idea: I remembered Mike's house and workshop build and thought 'I bet he has a clever way of doing this by himself) and Lo! So it was .

Thanks Mike :text-bravo:
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Re: The Orangerie - roof skeleton in place

Postby Malc2098 » 21 Oct 2018, 12:13

The flower's grown well in that rain. ;)
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Re: The Orangerie - roof skeleton in place

Postby Malc2098 » 21 Oct 2018, 12:18

That was wicked of me, above! Bad Malcolm!

Can you put any constructional timber, 2 x 2 , 3 x 2, 4 x2, anything you've got laying around, above the scaffolding tubes but below the tarp to make smaller squares with less water collected, or even allowing the tarp to straighten out.
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Re: The Orangerie - roof skeleton in place

Postby RogerS » 21 Oct 2018, 14:40

Malc2098 wrote:That was wicked of me, above! Bad Malcolm!

Can you put any constructional timber, 2 x 2 , 3 x 2, 4 x2, anything you've got laying around, above the scaffolding tubes but below the tarp to make smaller squares with less water collected, or even allowing the tarp to straighten out.


I think that it would make it more awkward to empty as there will be more pockets.
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Re: The Orangerie - roof skeleton in place

Postby Robert » 21 Oct 2018, 15:02

Just wondering if a decent sized fan would inflate your plastic bubble and give you a domed roof.

Unlikely I know :)

Our glass fibre orangery roof is surrounded by parapet wall. There are outlets for rainwater at 3 positions with lead linings formed into chutes into downpipe boxes. makes me wonder if you need a gutter. Just do it with the roof profile.
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Re: The Orangerie - roof skeleton in place

Postby Malc2098 » 21 Oct 2018, 15:04

Maybe. I thought, that with a few more ribs across the scaffold, the tarp might be a bit tauter and angled a bit, rather than levelish, so the rain runs off a bit more.
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