Expol Under Wooden Floor Insulation for Existing Homes

Underfloor insulation diagramExpol Under Wooden Floor Insulation - the perfect choice for existing homes

  • Expol Under Floor Insulation is the way to insulate your existing home to stop heat entering in summer and escaping in winter.
  • Expol Insulation Panels are designed to be self supporting and easy to install.
  • Nylon fixings are available for loose panels and high wind areas.

Phone - 1-800 UNDERFLOOR    1-800-86-33-73

Placed snugly between the floor joists, a 20mm air gap provided by ribs on the panels to ensure your home is protected from the extreme temperatures under your floor.

  • Great for polished floors in bungalows and villas
  • Save around 12% on your heating bills
  • Expol Insulation has excellent thermal properties as it consists mainly of stabilised air
    Expol under-floor insulation is available in easy to handle polystyrene panels

Packages of insulationExpol Insulation is safe to install, non-allergenic, contains a flame retardant. Its thermal performance is not affected by ageing, and contains no CFC's.

Expol under-floor insulation is available in easy to handle polystyrene panels

  • 1200 x 560 x 55mm
  • 1200 x 470 x 55mm
  • 1200 x 410 x 55mm
  • 1200 x 360 x 55mm

Installing insulationExpol Insulation incorporates FLEXICUT

  • FLEXICUT is a unique system provided for simple installation!
  • Easy to cut with a sharp knife.
  • Spring into place, cut or break off to ensure a snug fit under your floor.

For our technical information on Expol insulation please refer to our BRANZ Appraisal No. 256 (2006)

Insulating under your floor WILL save heating costs and keep your home warm, it may not solve all of your dampness problems, click here to read more about insulation v dampness...


If you choose to install Expol under-floor Insulation yourself, installation instructions are printed on every bag or click here

Product Resources
Underfloor insulation brochure
Branz Appraisal Number 256
For our technical information on Expol insulation please refer to our BRANZ Appraisal No. 256 (2006)

 

Expol Construction
R-Values

Floor area divided by perimeter length (m2/m)
1.0 2.0 3.0 4.0 5.0
Exposed floor (without a perimeter wall) (unenclosed) Single layer 1.6 1.6 1.6 1.6 1.6
Double layer 2.7 2.7 2.7 2.7 2.7
Continuous perimeter wall exposed to wind Single layer 1.6 1.7 1.7 1.8 1.9
Double layer 2.7 2.8 2.8 2.9 3.0
Continuous perimeter wall sheltered from wind (enclosed) Single layer 1.7 1.8 1.9 2.0 2.1
Double layer 2.8 2.9 3.0 3.1 3.2

EXPOL PACK CALCULATOR
Area to be insulated
Based on perimeter
Number of Packs Required
m2
feet2
360mm
410mm
470mm
560mm
10
108
2
2
2
2
20
215
4
4
3
3
30
323
5
5
5
5
40
431
7
7
6
6
50
538
9
8
8
7
60
646
10
10
9
9
70
753
12
11
11
10
80
861
13
13
12
11
90
969
15
14
14
13
100
1076
17
16
15
14
110
1184
18
17
16
15
120
1292
20
19
18
17
130
1399
21
20
19
18
140
1507
23
22
21
19
150
1615
25
23
22
21
160
1722
26
25
24
22
170
1830
28
26
25
23
180
1938
29
28
27
25
190
2045
31
29
28
26
200
2153
33
31
30
27
210
2260
34
33
31
29
220
2368
36
34
32
30
230
2476
37
36
34
31
240
2583
39
37
35
33
250
2691
41
39
37
34