WHAT IS UFFI? (Pronounced You-Fee)
The full name of UFFI is “Urea-formaldehyde foam insulation” and it was developed in Europe in the 1950s as an improved means of insulating difficult-to-reach cavities in house walls.
Daily Archives: September 10, 2011
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What is Knob & Tube Wiring?
Knob and Tube wiring can still be found in many older Century homes right up to those built just before the Second World war. Even today, across North america there are some installations (mainly industrial) that use Knob & Tube wiring.