STILLA Willow 12x8 User manual

STILLA
ASSEMBLY INSTRUCTIONS
‘Willow’ 12x8
S3061
Every part needed to construct your shed is included inside the pack; cedar
panels, doors, windows, hardware kits & roof sheeting. Please ensure you fully
unpack all the parts & check against the parts checklist before contacting
customer service about anything you believe may be missing. Thank-you!

23/10/2023
1 | P a g e
Caution
Please be careful when handling all components, some parts have sharp metal edges.
Always wear work gloves, eye protection and long sleeves when assembling or maintaining
your shed.
Tools required for assembly
•Level
•Drill (capable of driving 100mm
Batten Screw)
•Hammer
•Ladder
•10mm Drill bit
•6mm Drill bit
•Tape measure
•Phillips head drive
•Hex Head Drive (5/16’)
•Safety glasses
•Gloves
•Circular/power saw (if heavy duty
floor was chosen)
•4mm Alan key
•Batten screw drive
Before assembly
•Before proceeding with installation, we recommend viewing the Cedar Shed video at
www.stilla.com.au/installation/ or search Stilla Classic Cedar Sheds on Youtube. This doesn’t
show the installation in detail however it could give you some handy tips. Please note we
haven’t videoed the assembly of each shed however the video online is the Maple 12x6 and
will give you an overall idea on how the installation process is completed.
•Remove all parts from packages and place in a safe place close to assembly area.
•Review all instructions; continue to refer to instructions throughout assembly –step
by step.
Preparing your site
•If you are installing your shed on the Stilla heavy duty floor, this can be placed on
unlevelled surfaces and levelled up by using the 100x100 stumps provided.

23/10/2023
2 | P a g e
WILLOW 12x8 PARTS CHECKLIST
Part Code
Checked
Part Description
Qty
P
Cedar Clad Panel 1200x1895mm
7
FWP
Cedar Clad Window Panel 1080x1895mm
2
WA
Cedar Shed Window Assembly (add per additional WP)
2
DCD
Double Colonial Door 714x1840mm
2
G
8ft Gable (2 x LHS, 2 x RHS)
4
CP
Corner Post 1890x60x20mm
4
CS
Cover Strip 1890x40x7mm
4
F
8ft Fascia Pack (4 pcs)
1
R
Roof Rafter 1195x70x45mm
8
CT
Collar Tie
2
DDH
Double Door Head 1440x70x45mm
1
DDS
Double Door Step 1440x42x19mm
1
BGS
Back Gable Cover Strip 490mm
2
DP
Double Door Packer 100x100x18mm
1
IWS
Internal Window Strip Set –2@ 770mm, 2@ 735mm (add per
additional WP)
2
E
Roof End Piece 203x70x30mm
12
RSB
Roof Support Block 250x70x45mm
2
RS
1450mm Roof Sheet
10
RS
1450mm Roof Sheet Single Pan
2
Sky
1450mm Skylight (option- swap with 1450 RS)
RC
1520mm Ridge Cap
3
C
1307mm Channel
6
HK
12x8 Hardware Kit
1
IM
12x8 Instruction Manual
1
REP
Roof End Plate 1754x70x45mm
8
JP
Joining Plate 1112x70x45mm
4
RI (option)
Roof Insulation 3600x1300mm (option)
2

23/10/2023
3 | P a g e
Floor Kit –Option
Floor Frame –140x38mm
Part Code
Checked
Part Description
Qty
EP
End Plate 1242mm
8
DJ
Double Joist 1730mm
4
SJ
Single Joist 1730mm
12
FN
Floor Nog 379x42x35mm
8
L
Logs 750mm
9
FB
1798mm x 800mm
4
FB
598mm x 800mm
4
FB
1798mm x 311mm
1
FB
598mm x 311mm
1

23/10/2023
4 | P a g e
If no floor option was purchased, go to step 2.0 (Wall Assembly)
SKIP TO BACK FOR IMAGES TO HELP WITH FLOOR INSTALL
STEP 1.0
FLOOR KIT
1.0 –FLOOR KIT (1 of 4 floor frames)
PART CODE
QTY
DESCRIPTION
EP
2
End Plate 1242mm
SJ
3
Single Joist 1730mm
DJ
1
Double Joist 1730mm
100BS
18
100mm Batten Screw
1.0 –FLOOR FRAME (1 of 4 floor frames)
Fasten floor frame together as indicated in diagram below, using lines and predrilled holes.
Screw through EP into DJ using 3x 100BS.
Screw through EP into SJ using 2 x 100BS per join.
Ensure frame is square by measuring from corner to corner diagonally, frame will be square
when both diagonal measurements equal the same.
REPEAT THIS PROCESS FOR FASTENING 3 MORE FLOOR FRAMES.
ENSURE 42x35 side of the DJ sits at top.

23/10/2023
5 | P a g e
STEP 1.1
FLOOR FRAME INSTALLATION
The 8x12 floor frame comes in four parts. Install first floor frame in desired position at
desired height and fasten to logs once level and square, then join and fasten next frame
until all four are joined and secured to logs.
1.1 –FLOOR FRAME INSTALLATION
PART CODE
QTY
DESCRIPTION
L
9
Logs 750x100x100mm
100BS
36
100mm batten screws
65BS
24
65mm Batten Screws
200PB
9
200mm M12 Post Bolt
W
18
M12 Washers
1.1 –FLOOR FRAME INSTALLATION
Repeat the steps below for each floor frame, joining the floor frames together as you go in
order displayed in diagram below.
1. Lay out frame in desired position and mark holes to dig, as indicated on diagram
below (use shovel or marking paint).
2. Dig and place logs in holes (using concrete if you wish).
3. Fasten floor frame to logs at desired height, using 4x 100BS per log, ensuring frame is
level*.
4. Butt next floor frame into last installed frame and join using 6x 65BS evenly spaced
along EP or SJ.
5. Repeat process until all frames are joined.
* Fasten frame to logs when roughly level and then critique by hammering in or adding dirt
(or concrete) to corners until perfectly level at every post.
Once all frames are joined, predrill holes (using a 13mm drill bit) and bolt each log to the
floor frame in spots indicated with 200PB, using washers on both sides.

23/10/2023
6 | P a g e
STEP 1.2
FLOOR NOG INSTALLATION
1.2 –FLOOR NOG INSTALLATION
PART CODE
QTY
DESCRIPTION
FN
8
Floor Nog 379x42x35mm
65HHS
16
65mm Hex Head Screws
1.2 –FLOOR NOG INSTALLATION
Mark out measurements shown below (centre of nog). Fasten Floor Nogs (FN) in positions
shown in diagram below using 1x 65HHS per join.

23/10/2023
7 | P a g e
STEP 1.3
FLOOR INSTALLATION
1.3 –FLOORING INSTALLATION
PART CODE
QTY
DESCRIPTION
FB
4
Floor Board 1798x800mm
FB
4
Floor Board 598x800mm
FB
1
Floor Board 1798x311mm
FB
1
Floor Board 598x311mm
50PS
116
50mm Philips Screw
1.3–FLOORING INSTALLATION
Fasten floor sheets to floor frame as shown in diagram below using 50PS.
Bring Floor sheets in 43mm on all 4 sides from the outside of the floor frame.
Note- The x marked on the floor sheets do not line up with out joists.

23/10/2023
8 | P a g e
STEP 2.0
WALL ASSEMBLY
IF ADDITIONAL WINDOW OPTION PURCHASED (WP –1200MM WINDOW PANEL), IT CAN BE
POSITIONED ANYWHERE ON THE SHED WHERE WE HAVE USED A P (1200MM WALL PANEL)
2.0 - ASSEMBLY PARTS –WALL ASSEMBLY
PART CODE
QTY
DESCRIPTION
FWP
1
1080mm Window Wall panel
P
1
1200mm Wall panel
65HHS
3
65mm Hex head screw
2.0 - ASSEMBLY –WALL ASSEMBLY
Screw through P into FWP (top, centre & bottom) using 3 x 65HHS. (Holding studs flush on
the outside) Note: Ensure tongue on VJ Cedar Cladding is facing upwards
P
Screw 3 x 65HHS (Top,
centre & bottom)
FWP
Cedar Strip
When screwing the four corners
together please make sure the
studs are flush on the outside
(not the inside) as per image
below.

23/10/2023
9 | P a g e
STEP 2.1
WALL ASSEMBLY
2.1 - ASSEMBLY PARTS –WALL ASSEMBLY
PART CODE
QTY
DESCRIPTION
P
1
1200mm Wall panel
65HHS
3
65mm Hex head screw
2.1 - ASSEMBLY –WALL ASSEMBLY
Screw through P into P (Top, centre & bottom) using 3 x 65HHS, holding studs flush on the
inside.
P
Screw 3 x 65HHS (Top,
centre & bottom)
P

23/10/2023
10 | P a g e
STEP 2.2
WALL ASSEMBLY
2.2 - ASSEMBLY PARTS –WALL ASSEMBLY
PART CODE
QTY
DESCRIPTION
P
1
1200mm Wall panel
65HHS
3
65mm Hex head screw
2.2 - ASSEMBLY –WALL ASSEMBLY
Screw through P into P (Top, centre & bottom) using 3 x 65HHS, holding studs flush on the
outside.
Screw 3 x 65HHS (Top,
centre & bottom)
P
P

23/10/2023
11 | P a g e
STEP 2.3
WALL ASSEMBLY
2.3 - ASSEMBLY PARTS –WALL ASSEMBLY
PART CODE
QTY
DESCRIPTION
P
1
1200mm Wall panel
65HHS
3
65mm Hex head screw
2.3 - ASSEMBLY –WALL ASSEMBLY
Screw through P into P (Top, centre & bottom) using 3 x 65HHS, holding studs flush on the
inside.
Screw 3 x 65HHS (Top,
centre & bottom)
P
P

23/10/2023
12 | P a g e
STEP 2.4
WALL ASSEMBLY
2.4 - ASSEMBLY PARTS –WALL ASSEMBLY
PART CODE
QTY
DESCRIPTION
P
1
1200mm Wall panel
65HHS
3
65mm Hex head screw
2.4 - ASSEMBLY –WALL ASSEMBLY
Screw through P into P (top, centre & bottom) using 3 x 65HHS holding studs flush on the
inside.
Screw 3 x 65HHS (Top,
centre & bottom)
P
P

23/10/2023
13 | P a g e
STEP 2.5
WALL ASSEMBLY
2.5 - ASSEMBLY PARTS –WALL ASSEMBLY
PART CODE
QTY
DESCRIPTION
P
1
1200mm Wall panel
65HHS
3
65mm Hex head screw
2.5 - ASSEMBLY –WALL ASSEMBLY
Screw through P into P (top, centre & bottom) using 3 x 65HHS holding studs flush on the
outside.
Screw 3 x 65HHS (Top,
centre & bottom)
P
P

23/10/2023
14 | P a g e
STEP 2.6
WALL ASSEMBLY
2.6 - ASSEMBLY PARTS –WALL ASSEMBLY
PART CODE
QTY
DESCRIPTION
P
1
1200mm Wall panel
65HHS
3
65mm Hex head screw
2.6 - ASSEMBLY –WALL ASSEMBLY
Screw through P into P (top, centre & bottom) using 3 x 65HHS holding studs flush on the
inside.
Screw 3 x 65HHS (Top,
centre & bottom)
P
P

23/10/2023
15 | P a g e
STEP 2.7
WALL ASSEMBLY
2.7 - ASSEMBLY PARTS –WALL ASSEMBLY
PART CODE
QTY
DESCRIPTION
FWP
1
Front Window Wall panel
65HHS
3
65mm Hex head screw
50PS
4
50 mm Phillips Screw
2.7 - ASSEMBLY–WALL ASSEMBLY
Screw through P into FWP (top, centre & bottom) using 3 x 65HHS holding studs flush on the
outside.
Screw 3 x 65HHS (Top,
centre & bottom)
P
FWP
Cedar Strip

23/10/2023
16 | P a g e
STEP 2.8
DOOR STEP INSTALL
2.8 - ASSEMBLY PARTS –DOOR STEP INSTALL
PART CODE
QTY
DESCRIPTION
DDS
1
1440x42x19mm Double Door Step
40N
4
40mm Nail
2.8- ASSEMBLY –DOOR STEP INSTALL
Nail Door Step in position using 4x 40N* as seen below. Ensure wall panels are tight against DS.
* This is if floor option was chosen. If you are installing on concrete slab, use concrete nails or
small dyno bolts to fasten (not provided).

23/10/2023
17 | P a g e
STEP 2.9
DOOR HEAD INSTALL
2.9 - ASSEMBLY PARTS –DOOR HEAD INSTALL
PART CODE
QTY
DESCRIPTION
DDH
1
1440x70x45mm Double Door Head
MP
2
Mending Plate
32PS
8
32mm Phillips Screw
2.9 - ASSEMBLY –DOOR HEAD INSTALL
1. Mark 75mm either side on top of door head (tongue is on top).
2. Screw Mending Plate to top of either side of Door Head using 2x 32PS.
3. Place Door Head in position. Ensure top cedar tongue on door head at front lines
up with top cedar tongue of Front panel.
4. Fasten Door Head by screwing 2x 32PS through mending plate into front panel.
Ensure Door Head sits hard against side of front panel.
Ensure Tongues line up for
Gable grooves to sit on.
Ensure Door Head sits hard
against side of front panel.
1.
2.
3.
4.

23/10/2023
18 | P a g e
STEP 3.0
DOOR HEAD INSTALL
3.0 - ASSEMBLY PARTS –DOOR HEAD INSTALL
PART CODE
QTY
DESCRIPTION
65HHS
2
65mm Hex head screw
3.0 - ASSEMBLY –DOOR HEAD INSTALL
Secure Door Head by screwing 1x 65HHS through front panel into bottom of Door Head,
as seen below.

23/10/2023
19 | P a g e
STEP 3.1
GABLE ASSEMBLY
3.1 - ASSEMBLY PARTS –GABLE ASSEMBLY (1 OF 2 gables)
PART CODE
QTY
DESCRIPTION
G
2
8ft Gable (left and right)
BGS
1
490mm Back Gable Cover Strip
65HHS
2
65mm Hex head screw
40N
5
40mm Nail
3.1 - ASSEMBLY –GABLE ASSEMBLY (1 OF 2 gables)
Lay left and right gables (G) on a flat surface with the frame facing upwards, as seen below.
Hold flush at the bottom and screw together in position shown below using 2x 65HHS.
Turn fastened gable over with the cedar now facing upwards. Position BGS over join in gable,
holding bottom flush with bottom of cedar cladding and nail using 5x 40N.
* It is recommended to run a bead of silicone over the join before nailing the BGS.
REPEAT THIS PROCESS FOR ASSEMBLING OTHER SIDE GABLE.
Lay Gables on flat surface
Hold flush at the bottom and
fasten together with 2x 65HHS
Nail BGS on cedar side,
flush with bottom, to
cover join