Skip to main content
Bunnings

Sign in or sign up

No Bunnings account? Sign up
PowerPass customer?
Visit the dedicated trade website
Lowest Price Policy^
+40,000 Products
Sponsored
earthwool glasswool image
Earthwool logo

Your DIY project that pays for itself.

Underfloor Insulation

Sort By

All Filters

Relevance

Showing 25 of 61 results

Expol ThremaSlab 2700 x 1200 x 15mm H Grade Polystyrene
Expol ThermaSlab

Expol ThremaSlab 2700 x 1200 x 15mm H Grade Polystyrene

More options

(0)

Special Order

$16.92

In-store only
Expol Platinum Board R0.31 2400x1200x10mm Insulation
Expol Platinum Board

Expol Platinum Board R0.31 2400x1200x10mm Insulation

(0)

Special Order

$10.25

In-store only
Expol Platinum Board R3.13 2400x1200x100mm Insulation
Expol Platinum Board

Expol Platinum Board R3.13 2400x1200x100mm Insulation

(0)

Special Order

$102.60

In-store only
Expol Platinum Board R2.81 2400x1200x90mm Insulation
Expol Platinum Board

Expol Platinum Board R2.81 2400x1200x90mm Insulation

(0)

Special Order

$92.34

In-store only
Expol Platinum Board R2.34 2400x1200x75mm Insulation
Expol Platinum Board

Expol Platinum Board R2.34 2400x1200x75mm Insulation

(0)

Special Order

$76.97

In-store only
Expol 1200 x 470 x 60mm R1.8 Black Underfloor Insulation
Expol Underfloor Insulation

Expol 1200 x 470 x 60mm R1.8 Black Underfloor Insulation

(0)

Special Order

$104.22

$18.48 per m2
In-store only
Expol Platinum Board R1.09 2400x1200x35mm Insulation
Expol Platinum Board

Expol Platinum Board R1.09 2400x1200x35mm Insulation

(0)

Special Order

$35.91

In-store only
Expol 1200 x 360 x 60mm R1.8 Black Underfloor Insulation
Expol Underfloor Insulation

Expol 1200 x 360 x 60mm R1.8 Black Underfloor Insulation

(0)

Special Order

$95.40

$18.42 per m2
In-store only
Expol 2400 x 15mm VH Thermaslab Sheet
Expol Underfloor Insulation

Expol 2400 x 15mm VH Thermaslab Sheet

More options

(0)

Special Order

$23.76

In-store only
Expol Platinum Board R0.47 2400x1200x15mm Insulation
Expol Platinum Board

Expol Platinum Board R0.47 2400x1200x15mm Insulation

(0)

Special Order

$15.39

In-store only
Expol Platinum Board R1.41 2400x1200x45mm Insulation
Expol Platinum Board

Expol Platinum Board R1.41 2400x1200x45mm Insulation

(0)

Special Order

$46.17

In-store only
Expol Platinum Board R2.66 2400x1200x85mm Insulation
Expol Platinum Board

Expol Platinum Board R2.66 2400x1200x85mm Insulation

(0)

Special Order

$87.20

In-store only
Expol Platinum Board R1.88 2400x1200x60mm Insulation
Expol Platinum Board

Expol Platinum Board R1.88 2400x1200x60mm Insulation

(0)

Special Order

$61.58

In-store only
Expol Platinum Board R0.78 2400x1200x25mm Insulation
Expol Platinum Board

Expol Platinum Board R0.78 2400x1200x25mm Insulation

(0)

Special Order

$25.64

In-store only
Expol Platinum Board R2.50 2400x1200x80mm Insulation
Expol Platinum Board

Expol Platinum Board R2.50 2400x1200x80mm Insulation

(0)

Special Order

$82.10

In-store only
Expol 300mm Spacer for Expol Tuff Pods
Expol Underfloor Insulation

Expol 300mm Spacer for Expol Tuff Pods

(0)

Special Order

$1.86

In-store only
Expol 2400 x 1200 x 100mm R3.0 Polystyrene Board
Expol Underfloor Insulation

Expol 2400 x 1200 x 100mm R3.0 Polystyrene Board

More options

(0)

Special Order

$178.36

In-store only
Expol WJ100 Spacer for use with Expol Tuff Pods
Expol Underfloor Insulation

Expol WJ100 Spacer for use with Expol Tuff Pods

(0)

Special Order

$2.25

In-store only
Expol Platinum Board R0.94 2400x1200x30mm Insulation
Expol Platinum Board

Expol Platinum Board R0.94 2400x1200x30mm Insulation

(0)

Special Order

$30.78

In-store only
Expol Platinum Board R1.72 2400x1200x55mm Insulation
Expol Platinum Board

Expol Platinum Board R1.72 2400x1200x55mm Insulation

4(1)

Special Order

$56.42

In-store only
Expol Centre Spacer 100mm for Expol Tuff Pods
Expol Underfloor Insulation

Expol Centre Spacer 100mm for Expol Tuff Pods

(0)

Special Order

$1.80

In-store only
Expol Platinum Board R2.03 2400x1200x65mm Insulation
Expol Platinum Board

Expol Platinum Board R2.03 2400x1200x65mm Insulation

(0)

Special Order

$66.69

In-store only
Expol Platinum Board R1.25 2400x1200x40mm Insulation
Expol Platinum Board

Expol Platinum Board R1.25 2400x1200x40mm Insulation

(0)

Special Order

$41.06

In-store only
Expol Platinum Board R2.19 2400x1200x70mm Insulation
Expol Platinum Board

Expol Platinum Board R2.19 2400x1200x70mm Insulation

(0)

Special Order

$71.83

In-store only
Expol WJ101 Spacer - For Use With Expol Tuff Pods
Expol Underfloor Insulation

Expol WJ101 Spacer - For Use With Expol Tuff Pods

(0)

Special Order

$1.09

In-store only