DIY 8x8 Barn Shed Plans | Free Plans | PDF Download

DIY 8×8 Barn Shed | Free Building Plans

DIY 8×8 barn shed. Plans include a PDF download, material list, drawings, and measurements.

DIY 8×8 Barn Shed | Overview

Material List

Shopping List

A shopping list is included. Since lumber can be purchased in different sizes the shopping list will vary. Study the cut list to see what will work best for you.

(material for door not included)

Floor

  • 9 – 2×6 (pressure-treated) – 8′
  • 2 – 4×4 (pressure-treated) – 8′
  • 2 – 3/4″ tongue and groove plywood – 4′ x 8′ sheet

Walls

  • 48 – 2×4 – 8′

Truss/Rafters

  • 14 – 2×4 – 8′
  • 1 – 1/2″ plywood – 4’x8′ sheet

Siding

  • 6 – 2×4 – 8′
  • 10 – t1-11 exterior siding – 4’x8′ sheet

Roof

  • 10 – 2×4 – 8′
  • 1 – t1-11 exterior siding – 4’x8′ sheet
  • 6 – 1/2″ plywood – 4’x8′ sheet

Trim

  • 4 – 1×4 – 8′
  • 4 – 1×4 -10′

Hardware

  • 3 1/2″ galvanized nails
  • 2″ galvanized nails
  • 1 1/2″ galvanized nails
  • 1 1/2″ galvanized finishing nails
  • 3″ galvanized finishing nails
  • 2″ deck screws
  • shingles
  • roofing felt
  • roofing tacks
  • roof staples
  • drip edge

Cutting List

(material for door/window not included)

Floor

  • 2 – 2×6 (pressure-treated) – 8′
  • 7 – 2×6 (pressure treated) – 7′ 9″
  • 2 – 4×4 (pressure-treated) – 8′
  • 2 – 3/4″ tongue and groove plywood – 4′ x 8′ sheet

Walls

  • 6 – 2×4 – 8′
  • 36 – 2×4 – 7′ 6″
  • 6 – 2×4 – 7′ 5″

Truss/Rafters

  • 28 – 2×4 – 3′ 3 5/8″ (22.5-degree angle cuts on both ends in opposite directions)
  • 1 – 1/2″ plywood (gussets) – 4’x8′ sheet (cut to size)

Siding

  • 6 – 2×4 – 8′ (cut to size)
  • 10 – t1-11 exterior siding – 4’x8′ sheet (cut to size)

Roof

  • 16 – 2×4 – 21 3/4″
  • 8 – 2×4 – 3′ 3 5/8″ (22.5-degree angle cuts on both ends in opposite directions)
  • 2 – 2×4 – 8′ (cut to size)
  • 1 – t1-11 exterior siding – 4’x8′ sheet (cut to size)
  • 6 – 1/2″ plywood – 4’x8′ sheet (cut to size)

Trim

  • 4 – 1×4 – 8′ (cut to size)
  • 4 – 1×4 -10′ (cut to size)

Floor

8x8 shed floor framing.
  • 2 – 2×6 (pressure treated) – 8′
  • 7 – 2×6 (pressure Treated) – 7′ 9″

Floor joist are 16″ on center. Use 3 1/2″ nails to assemble.

Square the floor frame by measuring diagonally until both sides measure the same.


Diy 8x8 barn shed, floor frame.
  • 2 – 4×4 (pressure-treated) – 8′

Attach the 4×4 skids to the frame using 3 1/2″ nails.


8x8 barn shed floor.
  • 2 – 3/4″ tongue and groove plywood – 4′ x 8′ sheet

Screw 2″ deck screws through the floor deck and into the floor frame.


Walls

Shed right and left wall frame.

Right/Left Walls

  • 4 – 2×4 – 8′
  • 22 – 2×4 – 7′ 6″
  • 2 – 2×4 – 7′ 5″

Wall studs are 16″ on center, assemble the wall frame using 3 1/2″ nails.

Door Framing


wall frame details.

Here is a close up look of the right/left wall frame ends.


Shed front back wall frame.

Front/Back Walls

  • 4 – 2×4 – 7′ 5″
  • 14 – 2×4 – 7′ 6″
  • 2 – 2×4 – 8′

Frame the right and left wall frame as shown on drawing above. Use 3 1/2″ nails to assemble.


Diy 8x8 barn shed, wall framing.

Raise and secure wall frames using 3 1/2″ nails.


Truss/Rafters

8x8 barn shed rafters.
  • 28 – 2×4 – 3′ 3 5/8″ (22.5-degree angle cuts on both ends in opposite directions)

Shed rafter bird mouth.

Cut the bird mouth, as shown on image above, to fourteen of the rafters.


Shed truss gusset.

Make gussets out of 1/2″ plywood.


8x8 rafter/truss details.

Assemble the roof truss as shown on drawing above using 1 1/2″ nails.


Diy 8x8 barn shed, roof truss.

Install roof truss 16″ O.C. using 3 1/2″ nails.


Siding

Diy 8x8 barn shed, framing.
  • 6 – 2×4 – 8′ (cut to size)

Measure and cut 2×4’s to size and install to the front and back top wall frame, notch the top end of the 2×4’s around roof truss.


Diy 8x8 barn shed, roof truss.
  • 8 – t1-11 exterior siding – 4’x8′ sheet (cut to size)

Measure and cut siding to size and install using 1 1/2″ finishing nails.


Diy 8x8 barn shed, top siding.
  • 2 – t1-11 exterior siding – 4’x8′ sheet (cut to size)

Install top siding using 1 1/2″ finishing nails, cut siding along roof truss.


Roof

8x8 shed roof outriggers.

The front and back of the shed will have about an 8″ roof overhang. To make the overhang bigger or smaller adjust the length of the outriggers.

  • 16 – 2×4 – 21 3/4″

Notch truss and siding as shown on drawing above. Install outriggers using 3 1/2″ nails.


Diy 8x8 barn shed, roof trim.
  • 8 – 2×4 – 3′ 3 5/8″ (22.5-degree angle cuts on both ends in opposite directions)

Install the 2×4 roof trim using 3″ finishing nails.


Shed 2x4 blocking between roof truss.
  • 2 – 2×4 – 8′ (cut to size)

Cut 2×4’s to size and install between the roof truss using 3 1/2″ nails.


Shed siding between roof truss.
  • 1 – t1-11 exterior siding – 4’x8′ sheet (cut to size)

Cut t1-11 exterior siding to size and install between roof truss using 1 1/2″ finishing nails.


Diy 8x8 barn shed, roof deck.
  • 6 – 1/2″ plywood – 4’x8′ sheet (cut to size)

Measure, cut, and install 1/2″ plywood for the roof deck using 1 1/2″ nails.


Diy 8x8 barn shed, roof shingles.

Install roofing felt, drip edge, and shingles.


Trim

Diy 8x8 barn shed, corner trim.
  • 4 – 1×4 – 8′ (cut to size)
  • 4 – 1×4 -10′ (cut to size)

Cut to size 1×4’s for the corner trim, install using 1 1/2″ finishing nails.


Door

Diy 8x8 barn shed.

See door framing and installation.



2 comments

  1. Clinton o’brien

    Can you please send me sum information on the shad please thanks and plan’s how to do it

  2. Excelente explicación de las construcciones

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