Ivyuma vya PIR, ni ukuvuga mu buryo bugufi ivyuma vy’impuzu vy’impuzu vy’impuzu, ni ikintu co gukingira umuriro giteye imbere kandi giteye imbere gishingiye kuri polyurethane (PU). Mu guhindura igipimo c’isocyanate ku polyols no kwongerako ibintu bishobora gutuma umuriro udatera, haca habaho ubuhinga bukomeye cane bwo guhagarika umuriro, bikaba bituma habaho ubushobozi bwo guhangana n’ubushuhe n’ubushobozi bwo guhagarika umuriro-mu bisanzwe bishika ku rugero rwa B1 rwo guhagarika umuriro, self{shing{4}mo}mo,extinguike uburemere, kandi ntivyoroha gutonyanga iyo hari ubushuhe bwinshi. Ugereranije n’ivyuma vya kera vya XPS extruded polystyrene, PIR ifise ubushobozi bwo gutwara ubushuhe buke (mu bisanzwe buke canke bungana na 0.022W/(m·K)) ku burebure bumwe, ubushobozi bwo kwikingira burengeye, kandi irabereye cane ku bihe bifise ibisabwa bikomeye vyo guhangana n’intoke zompi.
Igihe nahitamwo ivyuma bikingira ivyuma vyo gushushanya hasi mu nzu yanje, naragereranije uburyo bwinshi maze amaherezo mpitamwo iki gipande c’ubururu citwa PIR. Amaze kuyishira, yumva ikomeye kandi ntiyasenyuka munsi y’ibirenge, aho yacitse yari isukuye kandi ntiyamenagurika, kandi yaguma ihagaze neza ku mpome, ku miyoboro yo gushushanya yo munsi y’ubutaka, eka mbere no kuba nk’ishimikiro ryo kubika ibintu bikonje. Igihumuriza cane ni uko ibara ry’ubururu atari irangi; ni ikimenyetso gikozwe n’ugushwiragira kw’ivyo bikoresho bigabanya umuriro. Iyo akafuruka gatoyi gaturitse, gasohora umwotsi mweru gusa, ugahagarika gusha iyo umwotsi ukimara kwizingira. Iyo ikoreshejwe mu gukingira imbere mu nzu z’inyuma z’inyubakwa za kera, irabuza amazi gutera amazi akikuje amadirisho mu rushana, kandi igakingira gupfuka kw’igorofa yo hejuru mu ci. Inyuma yo gushirwa mu kazu gatoyi k’ububiko bw’ibikoresho vy’ubuvuzi, uguhinduka kw’ubushuhe kuragabanywa cane, maze iyo compresseur iratangura kandi igahagarara neza cane.
