Expol underfloor insulation

Find an installer in your area

Expol Installation Obligation Free Measure and Quote  

If you would like an obligation FREE measure and quote for installation of Expol Underfloor insulation, please contact the installers noted in the above table.

EXPOL Underfloor Installer  

If you are an installation company wishing to be a recognised EXPOL Underfloor Installer, please contact 1800 927 633 or email This email address is being protected from spambots. You need JavaScript enabled to view it. for a FREE information pack.

Expanded Polystyrene (EPS) is a scientifically innovative material that, since its introduction in Germany in 1930, has captured an ever growing range of accepted applications throughout the world. EPS is a truly proven versatile, inert material which exhibits unbeatable qualities including.

• Lightweight
• Easy to Handle
• Durable
• Strong and Flexible
• Long term R-Value
• Low water absorption
• Shock absorbent
• Low combustibility
• No food value for insects & rodents
• Recyclable

To assist you we've developed the easy step guide, follow it and you can't go wrong. Don't forget to pick up your Expol Underfloor Easy Measure Ruler (shown below). Use it to measure the underfloor joist sizes, so you can purchase the correct panels for your DIY Insulation project.

Step 1	Step 2
Measure several joists using the Easy Measure Ruler.	Slice the panel if necessary, panel should be approximately 5mm oversize to ensure a firm fit.
Step 3	Step 4
Slide the panel between the joists, push up to ensure no air gaps.	Fix two Expol fittings on opposite corners of each panel.
Step 5	Step 6
Place Expol Wireguard around any cables that come in direct contact with Expol.	For obstacles such as pipes and plumbing cut the panel leaving 100mm clearance future maintenance.

• Click here to download the Expol Brochure

Make sure you get the right amount of  Expol to make your floor warmer this winter.

• Click here to estimate your number of packs required

  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	4	4
  30	323	6	6	6	5
  40	431	8	8	8	7
  50	538	10	10	9	9
  60	646	12	12	11	10
  70	753	14	13	13	12
  80	861	16	15	15	14
  90	969	18	17	16	15
  100	1076	20	19	18	17
  110	1184	22	21	20	19
  120	1292	24	23	22	20

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

• 1200 x 360 x 60mm
• 1200 x 410 x 60mm
• 1200 x 470 x 60mm
• 1200 x 560 x 60mm