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David's Workshop Build

Roll up, roll up. Here you will find everything from new workshop designs, through builds to completed workshop tours. All magnificently overseen by our own Mike G and his tremendously thorough 'Shed' design and generous advice.

Re: David's Workshop Build

Postby Andyp » 21 Sep 2021, 16:55

I somehow seemed to have totally missed this thread. I never tire of seeing these builds.
I especially like to see others mixing their measurement units.

Regex wrote:The two diagonals are 439cm and 439.5cm, and by my calculations an 8ftx12ft rectangle should have a diagonal of 439.6cm so happy with that!
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Re: David's Workshop Build

Postby Regex » 22 Sep 2021, 12:51

9fingers wrote:Looks ok to me as a fairly competent hammer chewer.

Check the dimension of your cladding sheets to see if they are metric or imperial ( there are even some that are metric on one axis and imperial on the other.)
Once you know what you have, then maybe adjust some of the stud positions to lie exactly halfway across the joins in the sheets. A bit of planning save unnecessary cutting/joints flapping in the breeze.

Bob


Thanks for having a look over it and the tips, I'll double check before I commit any nails to wood! I've gone and bought a big tarp as well to pretect from the autumn rains when when they're sure to come.

Andyp wrote:I somehow seemed to have totally missed this thread. I never tire of seeing these builds.
I especially like to see others mixing their measurement units.


Haha yeah I'm coming round to working with feet/inches, but my brain needs the [preceived] precision of metric units! I'll try and keep it updated with interesting infos seeing as I have another reader.
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Re: David's Workshop Build

Postby Regex » 24 Sep 2021, 18:52

Looks like I'm getting a window that's quite a bit taller (144cm + 3cm sill), still at 181cm width.

I'd like to raise the window up, how important is the filler wood on top of the jack studs, in the red circle in the picture below (can I remove it)?

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Re: David's Workshop Build

Postby Mike G » 24 Sep 2021, 20:41

Yes, so long as the cripple studs (they're not jack studs) are replaced to support the lintel.
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Re: David's Workshop Build

Postby AJB Temple » 24 Sep 2021, 20:54

I for one could do with a definitive simple guide to what things are called. Cripple stud, jack stud for example. Probably I should know these terms, especially as I have read a lot (and visited a lot) about ancient and modern timber framing, but cripple stud is not one a recall hearing.
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Re: David's Workshop Build

Postby Mike G » 25 Sep 2021, 07:57

Cripple is a term which only applies to modern softwood framing as far as I know, rather than traditional oak framing. As for a place where all these sort of terms are listed........well, I know of nothing on the internet, although Trada is the authority. There are books, though. Again, start with a Trada publication.

I've never heard of a jack stud, so it may well be an Americanism. Jack rafters are a thing, though.
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Re: David's Workshop Build

Postby RogerS » 25 Sep 2021, 08:00

In a similar vein, does anyone know of a source that lists American/UK woodworking terminology and each others equivalent ?
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Re: David's Workshop Build

Postby Doug » 25 Sep 2021, 08:42

I don’t think there is a definitive description as terms are very localised, Ive certainly seen the studs Regex refer to as Jack studs called that & seen the studs above the header referred to as cripple studs, hardly surprising though particularly in Britain where we can’t agree how to pronounce scone :lol:


Edit
A quick google of “timber framing terminology uk, images” brings up interesting reading,
This image suggest studs under the sill plate are also referred to as cripple studs & what I know as Jack studs are trimmers :eusa-think:

http://www.pages.drexel.edu/~atf23/AE390/A3/wood.htm
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Re: David's Workshop Build

Postby Mike G » 25 Sep 2021, 09:21

Doug wrote:........This image suggest studs under the sill plate are also referred to as cripple studs & what I know as Jack studs are trimmers :eusa-think:

http://www.pages.drexel.edu/~atf23/AE390/A3/wood.htm


That's most definitely American, Doug, not British. We don't have headers, for a start. We have lintels. And cill is spelt with a C here (and spelt is spelt spelled in the US :) ).
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Re: David's Workshop Build

Postby Regex » 27 Sep 2021, 22:45

Doug wrote:A quick google of “timber framing terminology uk, images” brings up interesting reading,
This image suggest studs under the sill plate are also referred to as cripple studs & what I know as Jack studs are trimmers :eusa-think:

http://www.pages.drexel.edu/~atf23/AE390/A3/wood.htm


That's the understanding I had, mostly from watching american wood framing videos on youtube though.

Whatever they're called, they were all irreversibly nailed into my second wall on Sunday!
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I stacked the back wall ontop of the battens to create a slope for rain to run off.
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Tarped. It was just as well, as Sunday night had torrential rain and each of the studwall gaps was a swimming pool of water! Hopefully the rain lets off next weekend so I can continue.
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Re: David's Workshop Build

Postby Regex » 06 Nov 2021, 23:13

Another progress update. This past Thursday and Friday involved frantic building to get ahead of the weather during a brief respite from the rain. The roof is now mostly done, just need to glue the EPDM down and get some fascias on. So far I've had very little wastage in terms of OSB, 2x4 and 2x6, which I'm quite pleased about.

On to the picture updates.

15. Oct: Enforced breaks so I don't work too hard on a nice sunny day.
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15. Oct: Walls finished. As I keep hearing on all the videos and tutorials, these frames are bloody heavy!
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17. Oct: Rain rain rain... Temporary tent to [attempt] keep off the rain. It's been relentless this year.
If you live in a rainy area I recommend getting a large heavy duty tarp.
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19. Oct: Walls have gone up, it's looking good so far. It's very sattisfying to step back and see it at this stage.
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02. Nov: Roof joists up and outer breather membrane tacked on. Less and less water is getting in, which is great.
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02. Nov: First look from the inside. This is going to be one massive window!
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02. Nov: A wee tidy up. it's looking almost cosy now.
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04. Nov: Don't be me and calculate the amount of OSB3 for your roof deck according to the building size... take the overhangs into account too!! Luckily it was enough, but it was a bit of jigsaw game with careful planning for my cuts
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04. Nov: A local joiner kindly let me use his table saw to rip down some 2x6 offcuts to 100mm height for the perimeter around the insulation. I had just enough wood left from the floor/roof joists to do this which was lucky.
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04. Nov: Insulation fitted nice and snug. It goes in quickly which is satisfying.
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Re: David's Workshop Build

Postby Regex » 22 Nov 2021, 17:42

Added the jointing tape. This stuff sticks really well to itself and likes to lift off the breather membrane and stay stuck to the foil backing when you're trying to remove it, resulting in a chewing gum like mess.

For anybody else that is new to this as I was: After some trial and error I found the best way to apply it was to roll up the membrane, apply the jointing tape, roll it on firmly with a hard roller, then peel back the foil on itself in a slow, smooth and continuous motion. If you stop then continue the black stuff tends to get stuck to the backing foil and then lift from the breather membrane. After you've rolled the breather membrane down again, use the roller again to firmly bond the overlap to each other all along.
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Yet another first for me, as everything was in this project, was fitting windows. These are really heavy, and I only just about managed to lift this in place from outside without removing the window panes. My spray foam technique leaves a bit to be desired, and in my rush I forgot to use masking tape on the window frame.
2021-11-22_window.jpg
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And here is a bonus progress update from the old to the new. I'm quite happy with how it's coming along. As you can see the EPDM has been glued on top already, still need to do the trim and some cap-over fascias.
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Re: David's Workshop Build

Postby Malc2098 » 22 Nov 2021, 18:50

Coming along!
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Re: David's Workshop Build

Postby Regex » 15 Dec 2021, 23:38

23. Nov:
To fit the large window I had to take all the panes out. I was about to buy lots of specialised tools for the job, but then I realised a chisel and an old billhook I had lying about were more than adequate for this.

glazier tools.jpg
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The removed panes made the window a lot easier to handle.

panes out.jpg
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28. Nov
An outside view with the snow. Good thing the window was now in place.

snow.jpg
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12. Dec
The door was bloody heavy. I used some strong velcro straps from a rolled up ikea mattress to lift it up onto some bricks, and finally into place.

door in.jpg
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Now I need to plug the holes in the rafters to stop the birds taking up residence over winter!

I got all these UPVC pieces second hand from a company called UsedUPVC. They have a large variety of items and excellent customer service.

The first window I fitted has had spots appear on the lead work. Any idea what might be causing this?

spots on leaded window.jpg
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Re: David's Workshop Build

Postby Regex » 12 Feb 2022, 11:31

It's been a while since my last update, I hope you're all doing well and had a nice festive period.

29th Jan 2022
Storm Malik huffed and he puffed, and my worshop was fine. Malik did however tip the old shed that I had moved (see this post), struck down in broad daylight, claiming my cherry tree in the process (RIP 2022). The shed is fine though, and has been lifted up again. I wil stake it down from now on and buy a new cherry sapling.
victim.jpg
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30th Jan 2022
I have added the fascias all around, and the trims around the top edges on three sides. At the time I didn't have time to do the front gutter trim before it got dark (and was given my final warning by the other half to come down off the roof and inside because dinner was ready!). We've had heavy winds recently as you all well know, and so I had to put bricks up on the roof to prevent the rubber membrane flipping up too much and causing damage and water ingress into the roof.
fascias.jpg
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10th Feb 2022
There was a leak inside the smaller window below (from the sideways rain), and I am considering whether I need to take the window out again to put Tyvek FlexWrap all around the frame. Not a task I'm looking forward to.

Would the cladding and window trim prevent this kind of leak in future?
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window_outside.jpg
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As an aside, the snowdrops are out and look lovely, a nice contrast to the overcast weather we've been having.
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Re: David's Workshop Build

Postby 9fingers » 12 Feb 2022, 11:43

I'd have thought that provided you have a reasonable sized gap that frame sealant/silicone should do the trick followed by the cladding but it needs something to grab hold of. If you only have a capillary type gap that the water is wicking into then the only real answer is to have it out and refit with sealant.

Miserable time of year to be working outside. Good Luck

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Re: David's Workshop Build

Postby Regex » 26 Apr 2022, 19:13

Thanks for your reply Bob! I will go ahead and strip out some of the silicone, glue the membrane down and apply fresh silicone before putting the cladding on. That should hopefully do the trick. I've not had any problems since that stormy period with sideways rain, but if it's happened once it can happen again, so best to be sure!

Some updates:

The electrician has visited a couple of times, and has installed a power and a cat6 cable for me so now I have power inside (Yay!!). Thought I'd future proof it with a good internet connection to the house too while I'm at it, and will later install a wifi access point for the end of the garden.
damp.jpg
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It seems that water can seep through the mortar quite readily, and so I've taken extra steps to protect the ends of my joists with dpm.
joist protection.jpg
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Over time it seemed that the birds had taken an interest in my workshop...
crumbs.jpg
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They got busy nesting and hollowing out my exposed insulation boards, so it was high time for me to plug the gapes in the rafters with more insulation!
nesting.jpg
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Most of my insulation has now been cut to size, and I have to say, it has been my least favourite part so far. The amount of mess and dust that's created, and the unwieldy bulky nature of them makes it very awkward. To anyone reading this thread, I recommend cutting as much as you can in as few sessions as possible, as you will make a massive mess, and they will keep getting in the way as you do other stuff.

It's paid off however, even without being properly fixed and sealed up. The workshop gets toasty warm just from a little bit of Spring sunlight throughout the day, I'm very much looking forward to using his space.
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Re: David's Workshop Build

Postby Regex » 26 Apr 2022, 19:21

If anyone is still reading this, I have some more questions about the next steps in the floor :)

1) For the end bits, is it ok to just use spray foam to fill the gaps? (as you can see from the posts above, the lintels/mortar below can get slightly damp)
insulation end.jpg
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2) For the sides of the floor there is a 6cm gap between the joist and the wall. Am I ok to just bung in a long thin piece of insulation and spray foam it up?
floor end.jpg
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Thanks in advance for your replies
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Re: David's Workshop Build

Postby Mike G » 27 Apr 2022, 07:04

You can certainly fill in the long gap between joist and wall with insulation and foam. I've never seen anyone foam between the end of a joist and a hanger, but I can't see why you couldn't. Far more importantly, though, you should be dealing with the source of the dampness. Where is it getting in?
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Re: David's Workshop Build

Postby Regex » 01 May 2022, 22:09

I've gone ahead and filled all those gaps, and I've cut my t&g chipboard flooring to size too. Is the 10mm gap around the edges a hard requirement or can it vary and be less than that? ~5-10mm (My walls belly couple of mm.

Well I thought it was water soaking through the mortar from outside, but I poured two glasses of water there and I couldn't see it coming though. I also tried trickling it through the cables coming in there but it seemed to drip off before it got in.
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Re: David's Workshop Build

Postby Mike G » 02 May 2022, 08:31

It's not a hard requirement, but if you get much less than that be scrupulous with debris (sawdust etc) building up around the edges.
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Re: David's Workshop Build

Postby Regex » 10 Jul 2022, 14:17

Thank you Mike, I have made sure to clean out all the sawdust/debris from the floor.

Battens are up and the cladding has arrived (square edge Scottish larch). I had to clear half a compost bag's worth of sawdust off these planks :D I have been advised that this needs no treatment or painting, so I will put them up as they are.
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Barely had enough battens
battens.jpg
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I made a jig on the decking to cut the angled battens, since I need about 30 of them.

Do they look the right size to you or are they too steep?

I saw this post here on Malcolm's build, but his seem to go over an Arris and are feather edge boards, so the situation seems slightly different.

jig.jpg
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angle battens 2.jpg
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Re: David's Workshop Build

Postby Malc2098 » 10 Jul 2022, 15:20

Looks nice.

So long as the the rain drips don't splash back close to the plinth of wick backwards into the bottom board. Perhaps a drip groove on the bottom one would encourage larger drips.
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Re: David's Workshop Build

Postby Regex » 11 Jul 2022, 16:33

Do you mean like making a small groove along one end with a handheld router? I'm afraid I don't have one of those, might a 45°angled cut do the same?
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Re: David's Workshop Build

Postby Malc2098 » 11 Jul 2022, 18:55

Regex wrote:Do you mean like making a small groove along one end with a handheld router? I'm afraid I don't have one of those, might a 45°angled cut do the same?


I reckon so.
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