Home Insulation

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10% off ★ Best value
R3.5-R8.0
Knauf Insulation

Knauf Earthwool Ceiling Insulation Batts

175-350 mm | Glasswool
5.0 (8)
  • Choose from R3 to R8, from temperate climates up to cold-climate performance
  • Softer to handle than standard glasswool, thanks to the ECOSE bio-based binder
from$9.20/m²
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★ Best value
R2.0-R4.0

Polyester Underfloor Insulation Rolls

110-220 mm | Polyester
5.0 (6)
  • No special clothing, gloves or mask needed to install, according to the safety data sheet
  • Underfloor options from R2 to R4
from$8.35/m²
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Bestseller
R2.0-R3.1
Bradford

Bradford SoundScreen Acoustic Insulation Batts

70-110 mm | Glasswool
5.0 (1)
  • Wall options from R2 to R3.1 to match your comfort target
  • Australian made, to Australian standards
from$15.63/m²
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Bestseller
R0.26-R1.3
Foilboard

Foilboard Green Rigid Insulation Panels

10-50 mm | Foil / Reflective
5.0 (13)
  • Wall options from R0.26 to R1.3 to match your comfort target
  • Combined thermal break, vapour barrier and reflective insulation in one
from$11.09/m²
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R2.0-R2.7
Bradford

Bradford Gold Batts Hi-Performance Wall Insulation

75-90 mm | Glasswool
  • Wall options from R2 to R2.7 to match your comfort target
  • Australian made, to Australian standards
from$9.21/m²
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Bestseller
R1.7-R2.5
James Hardie

James HardieFire Rockwool Insulation

60-85 mm | Rockwool
  • Non-combustible mineral wool that will not add fuel to a fire
  • Strong acoustic performance that cuts noise transfer
from$46.92/m²
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R2.0-R2.5

Polyester Wall Insulation Batts

90 mm | Polyester
  • 430 mm and 580 mm widths for studs at 450 mm and 600 mm centres
  • No special clothing, gloves or mask needed to install, according to the safety data sheet
from$8.41/m²
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Acoustic Pipe Lagging Insulation

25 mm
5.0 (1)
  • Mass-loaded vinyl barrier cuts noise break-out from pipes, valves and ductwork
  • Decoupling layer breaks the vibration path, so it both blocks and absorbs noise
from$138.11/roll
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Kingspan

Kingspan Air-Cell Insulbreak 70 Insulation

7 mm | Foil / Reflective
  • Combined thermal break, vapour barrier and reflective insulation in one
  • Australian-made
from$13.17/m²
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R2.5-R7.0
Fletcher Insulation

Pink Batts Glasswool Ceiling Insulation

130-285 mm | Glasswool
  • Choose from R2.5 to R7, from temperate climates up to cold-climate performance
  • Australian made, from up to 80% recycled glass
from$7.03/m²
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Bestseller
R5.0-R7.0
Bradford

Bradford Hi-Performance Gold Ceiling Batts

240-290 mm | Glasswool
  • Choose from R5 to R7, from temperate climates up to cold-climate performance
  • Australian made, to Australian standards
from$16.92/m²
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Bestseller
R0.81-R2.15
Foamex

Foamex StyroTherm Extruded Polystyrene Sheets (XPS Insulation)

25-75 mm | XPS Foam
5.0 (1)
  • Underfloor options from R0.81 to R2.15
  • Rigid, moisture-resistant board that suits tight spaces
from$17.39/m²
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R2.5-R4.1
Bradford

Bradford Gold Batts Thermal Ceiling Insulation

140-215 mm | Glasswool
  • Choose from R2.5 to R4.1
  • Australian made, to Australian standards
from$7.48/m²
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Bestseller
R2.5
Bradford

Bradford Optimo Underfloor Insulation

90 mm | Glasswool
5.0 (1)
  • R2.5 underfloor rating that noticeably cuts heat loss through the floor
  • Australian made, to Australian standards
from$19.57/m²
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R2.0-R2.5

Polyester Acoustic Insulation Batts

90 mm | Polyester
  • Wall options from R1.5 to R2.5 to match your comfort target
  • Non-itch and safe to handle, so no gloves or mask needed and great for DIY
from$15.31/m²
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Ametalin

Trade Select Insulation Tape

Foil / Reflective
  • Intelligent vapour control that protects the build-up from condensation
  • Seals joins and laps to stop air and vapour leaks
from$15.55/roll
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Ametalin

Trade Select Reinforced Silver Foil Tape

Foil / Reflective
  • Seals joins and laps to stop air and vapour leaks
  • Matched accessory for a complete, airtight install
from$28.55/roll
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R2.5-R4.0
Bradford

Bradford Polymax Ceiling Insulation Batts

140-200 mm | Polyester
5.0 (1)
  • Choose from R2.5 to R4
  • Australian made, to Australian standards
from$23.22/m²
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10% off Bestseller
R1.3-R2.3
Knauf Insulation

Knauf Earthwool Roofing Blanket Roll with Foil Facing

55-100 mm | Glasswool
5.0 (1)
  • Choose from R1.3 to R2.3
  • Softer to handle than standard glasswool, thanks to the ECOSE bio-based binder
from$8.10/m²
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R1.8
Expol

Expol Black R1.8 Underfloor Insulation

60 mm | EPS Foam
  • R1.8 vs R1.4 for Expol White, at the same 60 mm thickness
  • Suits colder areas such as the NSW Tablelands and Southern Highlands
from$17.69/m²
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Masons

Masons Barricade Fire Retardant Wrap

  • Designed for wall insulation
from$1.87/m²
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Bestseller
Bradford

Bradford Enviroseal Aero (RW)

  • Class 4 vapour permeable, water and air barrier (AS 4200.1)
  • Clad within 6 weeks
from$2.96/m²
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Ametalin

Trade Select by Ametalin SilverFloor Foil Insulation

Foil / Reflective
  • Weathertight air barrier that still lets the structure breathe, controlling moisture and draughts
  • Intelligent vapour control that protects the build-up from condensation
from$2.99/m²
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Ametalin

Trade Select by Ametalin Brane VHP Vapour Permeable Wall Wrap

Foil / Reflective
  • Class 4 vapour permeable water barrier (AS/NZS 4200.1)
  • Up to 60 days UV exposure
from$1.92/m²
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10% off Bestseller
R2.5
Knauf Insulation

Knauf Earthwool FloorShield Insulation Batts

90 mm | Glasswool
  • Strong acoustic performance that cuts noise transfer
  • Softer to handle than standard glasswool, thanks to the ECOSE bio-based binder
from$18.16/m²
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R1.4
Expol

Expol Polystyrene Underfloor Insulation

60 mm | EPS Foam
  • Rigid, moisture-resistant board that suits tight spaces
  • Designed for underfloor insulation
from$13.95/m²
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R2.0
Bradford

Bradford Polymax Wall Insulation Batts

90 mm | Polyester
5.0 (1)
  • Wall options from R1.5 to R2 to match your comfort target
  • Australian made, to Australian standards
from$21.81/m²
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R1.1-R2.3
Kingspan

Kingspan Kooltherm K3 Underfloor Insulation

25-50 mm | Phenolic
5.0 (1)
  • Rigid phenolic board with one of the lowest thermal conductivities available
  • Australian made, from Melbourne
from$26.82/m²
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Kingspan

Kingspan Air-Cell Permifloor 500 Insulation

Foil / Reflective
  • Combined thermal break, vapour barrier and reflective insulation in one
  • Australian made, from Melbourne
from$11.22/m²
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R2.0-R2.5
Fletcher Insulation

Pink Batts Glasswool Wall Insulation

70-90 mm | Glasswool
  • Wall options from R1.5 to R2.5 to match your comfort target
  • Australian made, from up to 80% recycled glass
from$5.89/m²
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R2.0-R4.0

InsulPoly Underfloor Insulation Rolls

Polyester
  • Non-itch and safe to handle, so no gloves or mask needed and great for DIY
  • Underfloor options from R2 to R4
Call for price
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R2.5-R4.0

Polyester Ceiling Insulation Batts

165-240 mm | Polyester
5.0 (1)
  • Choose from R2.5 to R4
  • No special clothing, gloves or mask needed to install, according to the safety data sheet
from$10.77/m²
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Bradford

Bradford Fireseal Insulation Party Wall Batts

Rockwool
  • Designed for wall insulation
  • Australian made, to Australian standards
from$130.38/m²
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Pricewise Insulation DIY Install Kits

Glasswool
  • Makes cutting and fitting faster and cleaner
  • Matched accessory for a complete, airtight install
from$35.00/kit
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Kingspan

Kingspan Thermakraft Watergate Plus

Foil / Reflective
  • Weathertight air barrier that still lets the structure breathe, controlling moisture and draughts
  • Australian made, from Melbourne
from$2.75/m²
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Ametalin

Trade Select by Ametalin Sarking HD – Heavy Duty Foil

Foil / Reflective
  • Weathertight air barrier that still lets the structure breathe, controlling moisture and draughts
  • Intelligent vapour control that protects the build-up from condensation
from$1.67/m²
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Ametalin

Trade Select by Ametalin Standard Wall Wrap - Light Duty Foil

Foil / Reflective
  • Weathertight air barrier that still lets the structure breathe, controlling moisture and draughts
  • Intelligent vapour control that protects the build-up from condensation
from$1.39/m²
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Foilboard

Foilboard Garage Door Insulation Kit

25 mm | Foil / Reflective
5.0 (13)
  • Seals joins and laps to stop air and vapour leaks
  • Matched accessory for a complete, airtight install
from$462.50/kit
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R2.0-R2.5
Bradford

Bradford Polymax Underfloor Insulation Rolls

120-140 mm | Polyester
5.0 (1)
  • Non-itch and safe to handle, so no gloves or mask needed and great for DIY
  • Australian made, to Australian standards
from$24.82/m²
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Ametalin

Trade Select QuickTape - Brane VHP Joining Tape

Foil / Reflective
  • Weathertight air barrier that still lets the structure breathe, controlling moisture and draughts
  • Intelligent vapour control that protects the build-up from condensation
from$32.42/roll
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Ametalin

Trade Select by Ametalin XR Vapour Permeable Wall Wrap

Foil / Reflective
  • Weathertight air barrier that still lets the structure breathe, controlling moisture and draughts
  • Intelligent vapour control that protects the build-up from condensation
from$2.85/m²
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Autex

Autex Quietspace Composition Acoustic Peel 'n' Stick Tiles

Polyester
from$274.73/pack
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Ametalin

Trade Select by Ametalin ThermalFloor Foil Insulation

Foil / Reflective
  • Combined thermal break, vapour barrier and reflective insulation in one
  • Designed for underfloor insulation
from$10.10/m²
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Ametalin

Trade Select by Ametalin ThermalBreak 7 Foil Insulation

8 mm | Foil / Reflective
  • Combined thermal break, vapour barrier and reflective insulation in one
  • Designed for roof and wall insulation
from$11.27/m²
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Ametalin

Trade Select by Ametalin ThermalLiner Foil Insulation

Foil / Reflective
  • Combined thermal break, vapour barrier and reflective insulation in one
  • Designed for wall insulation
from$12.65/m²
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Kingspan

Kingspan Air-Cell Insuliner Insulation

6 mm | Foil / Reflective
  • Insulation, vapour barrier and reflective barrier in one
  • Australian-made
from$12.74/m²
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R1.3-R1.8
Fletcher Insulation

Fletcher Permastop Building Blanket Insulation

55-75 mm | Glasswool
  • Choose from R1.3 to R1.8
  • Australian made, from up to 80% recycled glass
from$12.37/m²
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Bestseller
R1.3-R1.8
Bradford

Bradford Anticon Roofing Insulation Blanket

60-80 mm | Glasswool
  • Choose from R1.3 to R1.8
  • Australian made, to Australian standards
from$9.90/m²
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Kingspan

Kingspan Air-Cell Insulbreak 90 Insulation

9 mm | Foil / Reflective
  • Combined thermal break, vapour barrier and reflective insulation in one
  • Australian-made
from$18.97/m²
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Kingspan

Kingspan Air-Cell Permifloor Insulation

Foil / Reflective
  • Combined thermal break, vapour barrier and reflective insulation in one
  • Australian made, from Melbourne
from$14.31/m²
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Kingspan

Kingspan Air-Cell Insulshed 50 Shed Insulation

5 mm | Foil / Reflective
  • Insulation and vapour barrier in one, made for sheds
  • Australian-made
from$10.72/m²
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Kingspan

Kingspan Air-Cell Permishield XV 70 Insulation

Foil / Reflective
  • Weathertight air barrier that still lets the structure breathe, controlling moisture and draughts
  • Australian made, from Melbourne
from$17.83/m²
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Kingspan

Kingspan Air-Cell Permicav XV Insulation

Foil / Reflective
  • Combined thermal break, vapour barrier and reflective insulation in one
  • Australian made, from Melbourne
from$14.07/m²
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R2.0-R3.1
Fletcher Insulation

Pink Soundbreak Insulation Batts

70-110 mm | Glasswool
  • Wall options from R2 to R3.1 to match your comfort target
  • Australian made, from up to 80% recycled glass
from$14.40/m²
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Fletcher Insulation

Fletcher Pink Partition Acoustic Wall Insulation

50-100 mm | Glasswool
  • Strong acoustic performance that cuts noise transfer
  • Australian made, from up to 80% recycled glass
from$5.90/m²
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Bestseller
R2.0
Bradford

Bradford Gold Batts Wall Insulation

90 mm | Glasswool
  • R2 wall rating that lifts everyday thermal and acoustic comfort
  • Australian made, to Australian standards
from$6.41/m²
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R2.0-R2.5
Autex

Autex Greenstuf Polyester Underfloor Insulation

120 mm | Polyester
5.0 (1)
● Out of stock
  • Non-itch and safe to handle, so no gloves or mask needed and great for DIY
  • Underfloor options from R2 to R2.5
from$10.78/m²
Request a quote
Out of stock

Home insulation reduces heat loss in winter and heat gains in summer, allowing you to run heaters and air conditioners on lower settings. Installing thermal and acoustic insulation in the walls, ceiling and floor of your home will help to improve comfort and reduce energy bills.

Buy House Insulation in Australia

Insulating your house is a great investment which can pay itself back in around 3 to 5 years. House insulation can significantly reduce summer heat gains and winter heat losses and cut your energy bills by up to half. The best time to insulate your home is during the construction phase or during a renovation project. House insulation costs will depend on the area (m2), climate and materials required. Order online or contact us at Pricewise Insulation for a quote today!

Diagram showing winter heat losses in a home without insulationDiagram showing summer heat gains in a home without insulation

Home Insulation Product Types

Insulation products come in two main types: bulk and reflective, and these can also be combined. Bulk Insulation is as the name suggests is bulky and prevents heat transfer by trapping air between the fine fibres and stopping it from travelling through the material. Bulk Insulation materials include; Glasswool, Polyester, Rockwool and Polystyrene Panels. Reflective Insulation is a layer of foil backed by paper or plastic. It works against radiation heat by bouncing it back and not letting it penetrate through the foil. Examples of reflective insulation include; foil faced blankets or sarking, foil boards, and multi-faced foil products. Lastly, combined bulk and reflective insulation utilise both features to create a 2 in 1 product designed for extra thermal properties.


Home Insulation For Walls

Wall insulation in external walls provide a barrier to ensure that your home keeps warm in winter and cool in summer. As up to 25% of summer heat gains and winter heat loss occurs through the walls of your home, ensure that insulation is properly installed with minimum air gaps and spaces. Make sure that the correct R-value is installed the first time, in accordance with the Building Code of Australia (BCA), as all new homes are required to meet the minimum energy efficiency standards.
When thinking about your home insulation we recommend you consider installing internal cavity wall insulation, both from an acoustic perspective and a thermal perspective. Installing acoustic insulation means less disturbances and a quieter home in which noise is maintained at an acceptable level. Internal wall insulation can reduce your need to use an air-conditioning system and minimise heat transfer and heat loss thereby decreasing your energy bills and increasing savings. For best results we would recommend a minimum of R2.5 in Melbourne, Sydney and Adelaide and a minimum of R2.0 in Brisbane, Perth and northern New South Wales.

Insulation For Ceilings

Up to 35% of heat loss occurs through the ceiling. Consider investing in ceiling home insulation today and reduce your energy bill costs going forward. Most insulation provides both a level of thermal and sound reduction benefits, which can help to eliminate external noise and control fluctuating temperatures within your home. House insulation costs will depend on the type and amount of insulation needed for your home. You should also consider the climate, building construction type and heating/cooling systems used before selecting the right home insulation for your home.

Home Insulation For Underfloor

When insulating your home, underfloor insulation is important in improving the insulation rating of your home. Up to 20% of summer heat gains and winter heat loss occur through the floor and without insulation, draughts can enter through your floor making your home uncomfortable and reducing your energy efficiency. Carpeting your floor and having underlay can help to provide basic insulation, however proper underfloor insulation provides maximum heat retention and an effective thermal and acoustic barrier.

Insulation For Between Floors

Installing insulation between floors in a multi-storey house or building needs to be completed during the construction phase or during a renovation project. Midfloor insulation can reduce up to 75% of noise levels between adjacent floors, and create a more peaceful and quiet space to relax in. Midfloor insulation provides your home with both thermal and acoustic benefits. Home insulation helps to maintain stable temperatures throughout your home and reduce thermal heat loss between floors and rooms. Acoustic midfloor insulation limits noise transfer between floors and manage noise levels within an area of the house. Midfloor insulation is easy to install, very effective and great value for money. 

Home Insulation - Pipe Lagging

Water pipes can be insulated to reduce heat losses with pipe lagging insulation. This insulation also helps to reduce unwanted noise from pipes in the walls near bedrooms and living areas.
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