What is PIR insulation?
PIR or Polyisocyanurate insulation is a foam insulation which can be used in many applications including walls, floors and roofs. Unilin Insulation offer a PIR Insulation range called Thin-R, with a certified thermal conductivity as low as 0.022 W/mK. Thin-R is also available with engineered jointing to provide improved continuity and thermal bridging performance.
PU is the collective name for both polyurethane (PUR) and polyisocyanurate (PIR). Although PUR was a popular insulation option, PIR is considered an upgrade to PUR. PU solutions are characterised by their fine closed-cell foam structures. The fine microstructure forms a strong insulating barrier, which greatly impedes the conduction of heat (and cold) and is an efficient insulation choice.
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