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How to build a shed?

Hi all! I recently came across this build and was going to try replicating it (I have the exact same shed)!

https://www.workshop.bunnings.com.au/t5/Featured-Projects/Backyard-shed-studio-build/ta-p/72179

I was hoping I could get some help and advice on the below;

- Lining the walls and the roof: What type of insulation material is needed? Any suggestions on brands? Shed is fully exposed to the sun and there's no shade so it gets very hot.

- For the plywood walls and ceiling: Does it attach directly to the metal framing of the shed? If yes, what type of nails/screws should I be using to attach to the metal frame? And, what tools would be required to accomplish this?

- Any suggestions for any required tools and materials for this build would be great!

I know it's a big project but I definitely think I can do it (might just take a long time :P).

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Jason

Hi @KimNorman,

Let me tag that project creator @TheSaltyreefer to see if he can kick off the discussion for you.

You might also find this article helpful: How to you add insulation to a garage or shed?

Jason

Jewelleryrescue

Wow @KimNorman nothing like jumping in at the deep end 🙂

Well its doable for starters and like any project break it down into bite size steps you can do using the photos from the project to guide you.

Your sheds built ok

1 ) Step one work out where you are adding power points and lights as the electrician needs to run power before the walls are sealed up.

2) do you see the rails holding the external metal cladding the walls the roof? I would add strips of 200mm x 19 mm ply and use metal screws 40mm long (self drilling into thin steel) add the strips of ply to interior the metal rails to give you an easy place to screw internal ply too using basic 40mm wood screws.

Now you will have 200mm ply boards covering the metal rails a good frame work the 200 mm strip also allows easy joining of ply sheets butt to butt. on top of the 200mm strips

3. Install insulation batts into wall and roof cavity as you progress then cover with 10 mm ply walls and roof. ( !0 mm strong enough and cheaper than lots of 19mm thick ply.) Drill holes and pull power / light cable through to the interior at the same time.

4 .build boxes around posts.

5 Sand prep ply to your prefered standard and paint.

Alternative lining that looks fantastic and is easy to do. and quite possibly a lot cheaper. Leave it nateral pine and varnish or white paint it.

Is ship lap pine timber that interlocks together as you put it up a vertically to easy attche to 200mm ply rails as discussed. also it is lighter to manage and install. The quantity you will need you best special order it and get it delivered.

Photo of ship lap I used in my shed horizontially as I mounted to posts (vertical not rails horizontal) so picture this pattern vertically

IMG_4413[1].JPG

140 x 12mm 2.4m Lining Board Pine 321 I/N: 0042741 $8.80

I would buy the 5 meter lengths I couldnt find it on bunnings web site.

Manufactured using sustainable plantation Radiata Pine
Tongue and groove finish for easy installation
Cost effective
High quality

Solid pine lining boards are made from 100% Radiata Pine for a smooth, uniform appearance and are precision milled for consistent high quality. Solid pine lining boards are a great choice for lining interior walls and ceilings.

Insulation

Another way to insulate shed is to grow a big vine or tree over it but that takes time,

Insulation material The ply wall will create a gap behind it which Thesaltyreefer added earth wool batts inside it. Do you see the silver roof Thats a different type of insulation it is a heat relective material with a foam core to stop heat transfer like sarking. This is best put on the sheds rafters before the roofing sheets goes on for best results. Much harder to add post construction best to go to batts as used in walls.

The higher the R rating more heat it blocks but thicker the batt and you wont be able to compress it into the avaliable wall roof caverty.

Earth wool Batts are cut up and placed between the shed wall and ply walls filling ever little gap for best results you can by all means use these batts in the roof space too in the exact same manner the trick here is to cut and position each batt as with the wall and then use some thing like duct tape or cloth tape to hold the batts in position until the ply covers them. Batt tip cut them a little oversize 30mm as they are spongy and over size means they will compression fit and hold and seal better. in an angled roof.

I recommend Earthwool I/N 0810602 (I/n number is bunnings stock code used in store) R2.5 as its thickness is 90mm only

KimNorman

Wowow! This was incredibly helpful! Thank you so much!

The shed has already had electricity wired through which is a relief!

Can I also just check should I be putting ply on both sides of the wool batts (sandwiching it)? I read something about moisture making them mouldy? Or would it be okay to have it straight against the metal shed wall?
- Metal shed wall | Ply | wool batt | Ply?

- Metal shed wall | wool batt | Ply?

I'm so excited to take on a big project, essentially this space will be a half home gym and the other side will still be for my garden and powertools, with still enough space to fit my car (my hidey hole for when it hails haha)

Again thank you! This community has been so helpful with my home improvements journey!

Jewelleryrescue

Hi @KimNorman

Condensation can occur on the inside of a shed wall and even though the earthwood is not harmed as you said mold can develop if the moisture persists, So Lets look at insulation for a solution before that happens.

Lets forget earthwool as it needs an air gap which is hard to create against a shed wall as regular houses earth wool sits in the timber frame away from the brick work, I saw in the project shed example the use of earth wool so didnt want to rock the boat to much there but your research can be proven to be true re moisture. at times. The double ply wont work as moisture will rot ply too if no air gap formed.

Lets go foil board as a great insulator for sheds completly moisture proof and easy to DIY and pretty cost effective we will still use ply strips 150mm to 200mm ontop of steel rails and rafters thats a given.

So NEW Configuration. Steel wall, Air gap !! yess , Foilboard, Inner 10mm ply.

The air gap is insulation, the foil board is insulation, the ply also is insulation. no moisture trap places so a strong solution.

As your cutting ply10mm for the walls I would liquid nails the matching cut out shape or the foil board on to the back of the ply and form a single panel to screw into the ply strips. Later if you need to access under the panels it is all one unit ply and insulation as a bonus.

What you think of this plan.

Foilboard Green 15 x 2400 x 1200mm Insulation comes in different sizes and packs )

I/N: 0125955 $41.90

Easy to DIY Install
High Thermal Performance
Australian Made

It’s the rigid insulation panel for under your floors, in your walls, in your roof and for those man-caves & sheds.

Manufactured in Australia from a fire retardant EPS (FR-EPS) with pure aluminum foil directly laminated to both sides, creating a SUPERIOR INSULANT, THERMAL BREAK and NON-PERMEABLE MOISTURE BARRIER.

Foilboard® GREEN has been engineered and designed to ensure a quick and easy installation of a non-itchy, fibre free rigid insulation panel that will provide high thermal performance for the life of the building.

KimNorman

This sounds like a plan! Thank you so much for the help. I feel way more confident now going into the project. I just got my Ryobi drill for Christmas so I'm gearing up! Haha

MitchellMc

Keep us updated, @KimNorman, and don't hesitate to reach out if you need further assistance.

Mitchell

Jewelleryrescue

Hi @KimNorman

Hay nice present you got. the the drill/driver the cornerstone of DIY If you new to cordless drills and drivers get some practice in on using it before you start on the project

For your first stage screwing ply strips to metal consider using.

Buildex 10-24 x 40mm Zinc Plated Countersunk Head Metal Tek Screws - 1000 Box

I/N: 2428907

$117.24

You can do this 🙂

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