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INSULATION BATTS INSTALLATION INSTRUCTIONS

When installed correctly, Insulation Batts are the most cost effective method of reducing household energy bills.

What you need

A sharp knife and cutting board
Kneeling board (to span at least two ceiling joists)
Lighting (if required)
Gloves are recommended
A dusk mask (recommended in enclosed spaces)
Goggles (recommended if working overhead)


The first step

Check the distance between the studs before purchasing your batts. Measure from the centre of one timber stud.ceiling joist to the next. For 450mm spacing use 430mm wide batts, for 600mm spacing use 580mm batts. You have a few options for insulation batts.

Tontine Insuloft 100% Polyester Insulation Batts
Made from 100% pure polyester these products are user friendly, non-irritant and non-allergenic, making self installation easier, and being formaldehyde free do not pose a health risk to installers and home occupants alike. Tontine Insuloft polyester batts come in a full range of sizes and thermal ratings to suit all framing. Tontine is an ISO9001 & ISO14000 accreditted companying offering Premium Quality products at affordable prices.

Autex GreenStuf 100% Polyester Insulation Batts
Made from 100% pure polyester these products are user friendly, non-irritant and non-allergenic, making self installation easier, and being formaldehyde free do not pose a health risk to installers and home occupants alike. Autex GreenStuf & QuietStuf polyester batts come in
a full range of sizes and thermal ratings to suit all framing.

Fletcher Insulation Glasswool Pink Batts

Ceilings

Standard

Batt packs are designed to fit in 99% of average size manholes.
Work out how many packs you need and pass them unopened through the manhole.
Spread the packs around inside the ceiling before opening them.
Never walk on plaster ceilings. Stand on ceiling joists only.
Place kneeling board across at least two ceiling joists before kneeling.
Lay batts between ceiling joists starting at the furthest point from the manhole.
Butt the batts closely together to ensure there are no gaps left at joints.
Cut the batts to the required size to fit around vents, exhaust fans and flue pipes, allowing a space of at least 100mm.
Continue until the entire ceiling area is covered, and extending a minimum of 50mm onto the external wall top plate.
Offcuts may be used to fill small spaces to ensure a complete coverage.
Be extremely careful of electrical wiring in the ceiling. Where possible, place the batts underneath electrical wires or use a spacer to create an air gap between electrical wiring and insulation.
Do not put insulation over or around recessed light fittings. Refer to manufacturer's recommendations as to how much gap to leave around their perimeters. Minimum is 200mm around their perimeter. Downlight covers are available for extra protection.

Cathedral / Raked Ceilings

In the case of cathedral ceilings, the batts should be installed prior to fixing the plasterboard.
Batts should be supported by string or twine, running at right angles to the ceiling joists so they remain in place until the plasterboard is installed.

Walls

Brick veneer

It is important that the batts are secured so they cannot fall into the cavity or come in contact with the outer brickwork, allowing moisture to pass from the exterior wall to the internal lining.
Foil insulation or long lasting string/twine should be fixed across the exterior face of the frame before installing the batts from the inside.
Where string/twine is used, 2 lengths of twine should be fixed between each set of studs from the top to the bottom, running parallel with the studs and evenly spaced.
Butt the batts closely together between studs to ensure there are no gaps left at joints.

Fibre cement or weatherboard cladding

A breathable foil or building paper must be used so as not to cause moisture build up.
Butt the batts closely together between studs to ensure there are no gaps left at joints.

Cavity brick walls (double brick)

Batts are not recommended for use in cavity brick construction.
Please read the detailed instructions before you install the batts yourself.

If you would like someone to install the batts for you,

Please Call: 1300 662 554

INSTALLATION TIPS

Insulation will work well if it is installed correctly. The following tips will help you achieve the best possible performance from your insulation:

  • Do not compress bulk insulation. It must retain its normal thickness wherever possible. In cathedral ceilings make sure there is sufficient space between the roof and the ceiling lining for installing the recommended insulation without compressing it.
  • Keep bulk insulation dry at all times. Performance will be inhibited if the insulation becomes wet. Make sure packs are stored in a dry place before installation.
    Avoid gaps in the insulation. Make sure batts are firmly butted against each other, ceilings joists and wall frames. Even if only 5% of an area is left un-insulated, up to 50% of the potential benefits may be lost.
  • Do not cover electrical cables and equipment with insulation. Keep insulation clear of wiring using an appropriate separator. Have them inspected by a licensed electrician to ensure the insulation has been installed safely.
  • Do not install insulation within 100mm of hot flues or exhaust fans.
  • Do not put insulation over or around recessed light fittings. Refer to manufacturer's recommendations as to how much gap to leave around their perimeters. Minimum is 200mm around their perimeter. Downlight covers are available for extra protection.
  • Batts can easily be installed to a thickness greater than the ceiling joists. This need not restrict roof access as ceiling joists are usually still visible and the batts will usually return to their original thickness if walked on.
  • Insulate internal walls between the house and uninsulated spaces such as garages and storerooms.

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