How to insulate a wooden shed

Written by nicole byerly
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How to insulate a wooden shed
Insulation will warm up your wooden shed. (LianeM/iStock/Getty Images)

Insulating a wooden shed will help transform this storage area into a year-round work room. Few householders take on this rather simple task and end up creating a rather messy work area in their home or garden. Adding insulation to a wooden shed helps weatherproof the structure, which is important for storing weather-sensitive items. Most wooden sheds have open wood framing, which you can use to house the insulation without drastically reducing the storage space.

Skill level:

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Things you need

  • Batt 19 insulation for walls
  • Batt 30 insulation for ceiling
  • Insulation glue
  • Several sheets of plasterboard
  • Plasterboard screws
  • Power screwdriver
  • Tape measure
  • Plasterboard saw
  • Double-sided tape
  • Thick plastic sheets
  • Plaster
  • Sandpaper

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  1. 1

    Calculate the amount of Batt 19 insulation you will need for the walls. Count the number of spaces within the frames. Multiply the number of spaces by the height of the wall. This will tell you how many metres of insulation you need.

  2. 2

    Calculate the Batt 30 insulation for the ceiling. Measure the number of spaces between each truss structure, and multiply it by the length of the ceiling. These measurements should be taken from the actual roof framing, and not ceiling beams.

  3. 3

    Apply insulation glue to the wood between the frames. Gently press the insulation to the glue to form a strong bond. Repeat this for every space on the walls and the ceiling.

  4. 4

    Attach double-sided tape to the outer frame structure. Place the tape along each end, and press the thick plastic sheets over the insulation. This will create an airtight layer underneath the plasterboard.

  5. 5

    Measure and cut the plasterboard, using a tape measure and saw. Place this over the entire inner perimeter of the shed. This will create a wall structure, and seal the insulation beneath the wall. Apply a screw into every frame with a power screwdriver, spaced about 35 cm apart.

  6. 6

    Smooth plaster over each space between plasterboard sheets as well as over each screw head. The plaster will seal all of the spaces between the boards, creating a stronger and more airproof bond. Allow the plaster to dry before you sand it to a flat finish.

Tips and warnings

  • Always wear gloves, goggles and a mask when working with insulation.

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