Expol Pack Calculator

How much do I need?

This handy calculator will show you how much EXPOL R1.4 White you need to buy. Simply enter the area to be insulated in feet or metres, then choose your joist width. The calculator will give you the number of packs you will need to complete your project.

Underfloor Pack Calculator

Area to be insulated



Number of Packs Required - choose width


Cost Estimation Calculator

Don’t forget the accessories!
– EXPOL 386gram Silicon Adhesive
– EXPOL bracket insulation panel fixings
EXPOL wireguard insulation roll
EXPOL joist saddles

*Costs are estimates only and prices may vary slightly depending on the retailer

Time to enjoy warmer feet and
save up to 12% on your heating bill.