PIR pankurunw, n’o ye poliizosiyanurati fomu pankurunw ye, olu ye fɛn ye min bɛ fɛnw tanga, minnu ɲɛnabɔra ka ɲɛ ani minnu sɛgɛsɛgɛra, minnu sinsinnen bɛ poliyuritan (PU) kan. Ni isosiyanati ni poliyɔli hakɛ ladilanna ani ka tasumafagalan minnu bɛ baara kɛ kosɛbɛ, olu farala a kan, triazine bololanɛgɛ jɔcogo sabatilen bɛ sɔrɔ, o bɛ funteni kunbɛnni ni tasuma kunbɛncogo ɲɛ kosɛbɛ-a ka c’a la, a bɛ se B1 tasuma-retardant standard ma, a yɛrɛ-a bɛ faga tasuma bɔlen kɔfɛ, ni sisi hakɛ dɔgɔyara, wa a tɛ a bɛ jigin nɔgɔya la funteni caman na. Ni an y’a suma ni laadala XPS polistirini pankurunw ye minnu bɛ bɔ kɛnɛma, PIR bɛ funteni minɛcogo dɔgɔya (a ka c’a la, a ka dɔgɔ walima a bɛ bɛn 0,022W/(m·K) ma) ni a janya ye kelen ye, a bɛ se ka fɛnw tanga, wa a bɛnnen don kosɛbɛ ko kɛlenw ma minnu ka ɲinini gɛlɛnw bɛ tasuma kunbɛnni ni fanga sɔrɔcogo ɲuman na.
Ni n tun bɛ insulasi sugandi n ka so duguma tasumabɔlan kama, n ye sugandi caman suma ɲɔgɔn na, ka laban ka nin PIR pankurun bulu in sugandi. A bilalen kɔfɛ, a tun bɛ i ko a jɔlen don, a ma bin sen kɔrɔ, a tigɛlenw tun saniyalen don wa a tun tɛ sɔgɔsɔgɔ, wa a tun bɛ jɔ ka jɔ kogow la, duguma tasumabɔlanw kan, ani hali nɛnɛ marayɔrɔ basigilen ye. Min bɛ mɔgɔ hakili sigi kosɛbɛ, o ye ko bulu kulɛri tɛ kala ye; o ye taamasiyɛn ye min bɛ sɔrɔ tasuma-fanga-minɛn in jɛnsɛnni yɛrɛ fɛ. Ni nkɔni fitinin dɔ jɛnina, a bɛ sisi finman dɔrɔn de bɔ, ka jeni dabila ni sisi kurulen don dɔrɔn. Ni a kɛra boon kɔrɔw kɛnɛma kogow kɔnɔna na, a bɛ jikuruw bali ka nɛnɛ kɛ finɛtiriw lamini na nɛnɛ waati, wa a tɛ sanfɛla sɔgɔli bali samiyɛ fɛ. A bilalen kɔ furakɛli nɛnɛ marayɔrɔ fitinin dɔ kɔnɔ, funteni jiginni bɛ dɔgɔya kosɛbɛ, wa komɛsi bɛ daminɛ ka jɔ nɔgɔya la kosɛbɛ.
