{"id":11910,"date":"2025-10-21T14:20:12","date_gmt":"2025-10-21T14:20:12","guid":{"rendered":"https:\/\/penosil.com\/ro\/?p=11910"},"modified":"2026-09-17T13:34:40","modified_gmt":"2026-09-17T13:34:40","slug":"cand-si-cum-se-utilizeaza-spuma-poliuretanica-rezistenta-la-foc","status":"publish","type":"post","link":"https:\/\/penosil.com\/ro\/cand-si-cum-se-utilizeaza-spuma-poliuretanica-rezistenta-la-foc\/","title":{"rendered":"C\u00e2nd \u0219i cum se utilizeaz\u0103 spuma poliuretanic\u0103 rezistent\u0103 la foc?"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\">Ignifugarea este o parte integrant\u0103 a construc\u021biei \u0219i siguran\u021bei unei cl\u0103diri. De\u0219i niciun material sau produs de construc\u021bie nu poate fi considerat complet ignifug, utilizarea unei spume poliuretanice rezistente la foc, atunci c\u00e2nd construim sau renov\u0103m o cl\u0103dire, spore\u0219te siguran\u021ba \u0219i rezisten\u021ba acesteia la impactul cu focul.<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Spuma poliuretanic\u0103 rezistent\u0103 la foc este un produs poliuretanic specializat, care a fost modificat chimic pentru a rezista la aprindere \u0219i pentru a \u00eencetini propagarea fl\u0103c\u0103rii. Spre deosebire de spumele PU standard, aceste produse con\u021bin compu\u0219i ignifugi care creeaz\u0103 un strat de cenu\u0219\u0103 expandat\u0103 atunci c\u00e2nd sunt expu\u0219i la temperaturi ridicate, limit\u00e2nd fluxul de oxigen c\u0103tre zonele \u00een fl\u0103c\u0103ri. Astfel se reduce producerea de fum \u0219i r\u0103sp\u00e2ndirea gazelor toxice.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Spuma poliuretanic\u0103 rezistent\u0103 la foc este o component\u0103 esen\u021bial\u0103 \u00een protec\u021bia pasiv\u0103 \u00eempotriva incendiilor a unei cl\u0103diri \u0219i este utilizat\u0103 \u00een principal \u00een cl\u0103diri reziden\u021biale, comerciale \u0219i industriale, unde compartimentarea \u00eempotriva incendiilor este crucial\u0103. De exemplu, cerin\u021be sporite de siguran\u021b\u0103 \u00eempotriva incendiilor se aplic\u0103 pentru structuri precum cl\u0103diri de apartamente, cl\u0103diri de birouri, cl\u0103diri de servicii publice, unit\u0103\u021bi medicale, cl\u0103diri educa\u021bionale, centre de date, fabrici \u0219i depozite.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Ce este <strong>Penosil Fire Rated Gunfoam B1 187<\/strong>?<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cen gama de produse Penosil oferim diverse spume PU rezistente la foc, cum ar fi <strong>Penosil Fire Rated Gunfoam B1 187<\/strong>. Este o spum\u0103 ignifug\u0103 de clasa B1, cu valori excelente de izola\u021bie termic\u0103 (0,030 W\/m\u00b7K) \u0219i fonic\u0103 (62 dB). Produsele pasive de protec\u021bie \u00eempotriva incendiilor trebuie s\u0103 respecte reglement\u0103rile specifice \u00een materie de siguran\u021b\u0103 la incendiu. <strong>Penosil Fire Rated Gunfoam B1 187<\/strong> a fost supus testelor \u0219i certific\u0103rii de c\u0103tre ter\u021bi pentru performan\u021ba de rezisten\u021b\u0103 la foc \u0219i este sigur de utilizat at\u00e2t la construc\u021bii reziden\u021biale, c\u00e2t \u0219i comerciale:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>EN 1366-4 (rezisten\u021b\u0103 la foc pentru garnituri de \u00eembinare liniare), clas\u0103 de rezisten\u021b\u0103 la foc p\u00e2n\u0103 la EI240 (rezisten\u021b\u0103 la foc p\u00e2n\u0103 la 4 ore sau 240 minute, integritate \u0219i izolare).<\/li>\n\n\n\n<li>Clasificare european\u0103 de rezisten\u021b\u0103 la foc EN 13501-1: B-s1,d0 (B &#8211; material combustibil cu o contribu\u021bie foarte limitat\u0103 la propagarea focului, s1 &#8211; produce foarte pu\u021bin sau deloc fum, d0 &#8211; nu produce pic\u0103turi sau particule inflamabile).<\/li>\n\n\n\n<li>DIN 4102-1 (ignifug) B1.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Unde ar trebui s\u0103 se utilizeze spume PU rezistente la foc?<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Toate lucr\u0103rile de instalare, etan\u0219are \u0219i umplere \u00een cadrul structurilor rezistente la foc.<\/li>\n\n\n\n<li>Instalarea u\u0219ilor \u0219i ferestrelor rezistente la foc.<\/li>\n\n\n\n<li>Etan\u0219area \u00eembin\u0103rilor liniare \u00een pere\u021bii rezisten\u021bi la foc; spa\u021biile dintre pere\u021bii desp\u0103r\u021bitori \u0219i elementele structurale.<\/li>\n\n\n\n<li>Etan\u0219area \u00een jurul penetr\u0103rilor de serviciu; penetr\u0103ri de cabluri \u0219i \u021bevi prin pere\u021bi \u0219i podele, conducte electrice \u0219i jgheaburi pentru cabluri, conexiuni pentru conducte HVAC, puncte de intrare pentru linii de utilit\u0103\u021bi.<\/li>\n\n\n\n<li>Spuma PU rezistent\u0103 la foc nu este adecvat\u0103 pentru goluri structurale portante sau \u00eembin\u0103ri supuse unor mi\u0219c\u0103ri dinamice semnificative.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Procesul de aplicare a produsului necesit\u0103 o aten\u021bie deosebit\u0103 la dimensiunile \u00eembin\u0103rilor sau spa\u021biilor libere. Spumele PU rezistente la foc Penosil sunt testate cu dimensiuni ale rosturilor cuprinse \u00eentre 15 mm \u0219i 60 mm l\u0103\u021bime. Regula general\u0103 este c\u0103 propriet\u0103\u021bile de rezisten\u021b\u0103 la foc ale produselor ignifuge sunt mai eficiente \u00een cazul \u00eembin\u0103rilor \u0219i deschiderilor mai mici dec\u00e2t \u00een cazul celor mai mari. Dac\u0103 rezisten\u021ba la foc a unui produs a fost testat\u0103 cu o anumit\u0103 l\u0103\u021bime a \u00eembin\u0103rii sau un anumit diametru de penetrare, se poate presupune c\u0103 utilizarea acestui produs \u00eentr-o \u00eembinare mai mic\u0103 va avea aceea\u0219i rezisten\u021b\u0103 la foc sau una mai mare. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cu toate acestea, propriet\u0103\u021bile certificate de rezisten\u021b\u0103 la foc nu pot fi garantate dac\u0103 \u00eembinarea este mai mare dec\u00e2t cea marcat\u0103 \u00een test. De exemplu, o \u00eembinare orizontal\u0103 umplut\u0103 cu spum\u0103 PU ignifug\u0103 \u0219i acoperit\u0103 apoi cu un material de etan\u0219are hibrid rezistent la foc are propriet\u0103\u021bi de rezisten\u021b\u0103 la foc diferite \u00een func\u021bie de dimensiunea \u00eembin\u0103rii. O \u00eembinare cu l\u0103\u021bimea de 15 mm \u0219i o grosime a stratului de etan\u0219ant de 20 mm are o clas\u0103 de rezisten\u021b\u0103 la foc EI240, \u00een timp ce o \u00eembinare cu l\u0103\u021bimea de 40 mm \u0219i o grosime a stratului de etan\u0219ant de 30 mm are o clas\u0103 de rezisten\u021b\u0103 la foc EI90.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pentru etan\u0219area \u00eembin\u0103rilor mai mari, recomand\u0103m utilizarea unei spume cu aplicator pai rezistente la foc, cum ar fi <strong>Penosil Fire Rated Foam B1 296. <\/strong>Spumele cu aplicator pai au, de obicei, o expansiune \u0219i o rezisten\u021b\u0103 mecanic\u0103 mai mare dec\u00e2t spumele de pistol.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Cum se utilizeaz\u0103 corect spumele PU ignifuge?<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Temperatura<\/strong>: Temperatura de lucru afecteaz\u0103 rezultatul final. Instalarea \u00een afara intervalelor recomandate de temperatur\u0103 \u0219i umiditate poate afecta performan\u021ba spumei PU. Pentru <strong>Penosil Fire Rated Gunfoam B1 187<\/strong>, intervalul recomandat de temperatur\u0103 de aplicare este de <strong>+5\u00b0C p\u00e2n\u0103 la +30\u00b0C<\/strong>. Pentru cele mai bune rezultate, at\u00e2t produsul, c\u00e2t \u0219i materialele etan\u0219ate trebuie s\u0103 aib\u0103 o temperatur\u0103 apropiat\u0103 de temperatura camerei: <strong>+20\u00b0C.<\/strong><\/li>\n\n\n\n<li><strong>Preg\u0103tirea suprafe\u021bei<\/strong>: \u00cenainte de umplerea \u0219i etan\u0219area rosturilor sau penetr\u0103rilor \u00eentr-o cl\u0103dire nou construit\u0103 sau renovat\u0103, este important s\u0103 v\u0103 asigura\u021bi c\u0103 suprafe\u021bele instalate au avut timp s\u0103 se usuce \u0219i s\u0103 se a\u0219eze corespunz\u0103tor \u0219i c\u0103 nu mai exist\u0103 pierderi de volum ale elementelor de construc\u021bie. \u00cenainte de aplicarea spumei PU, asigura\u021bi-v\u0103 c\u0103 suprafe\u021bele care urmeaz\u0103 s\u0103 fie etan\u0219ate sunt curate, stabile, uscate \u0219i f\u0103r\u0103 praf, particule libere \u0219i reziduuri de ulei. Utiliza\u021bi un aspirator sau o perie pentru a cur\u0103\u021ba rosturile mai ad\u00e2nci.<\/li>\n\n\n\n<li><strong>Umiditate<\/strong>: Spumele PU monocomponente au nevoie de umiditate pentru a se expanda \u0219i a se \u00eent\u0103ri. Pulveriza\u021bi pu\u021bin\u0103 ap\u0103 pe suprafe\u021be pentru a ajuta spuma s\u0103 se extind\u0103, s\u0103 se \u00eent\u0103reasc\u0103 mai repede \u0219i s\u0103 aib\u0103 o structur\u0103 mai uniform\u0103. Aten\u021bie! Trebuie s\u0103 umezi\u021bi suprafa\u021ba, dar nu o uda\u021bi excesiv, altfel structura spumei va avea prea multe bule de aer \u0219i nu se vor ob\u021bine propriet\u0103\u021bile de rezisten\u021b\u0103 la foc.<\/li>\n\n\n\n<li><strong>Calitatea pistolului<\/strong>: Utiliza\u021bi un pistol profesional de \u00eenalt\u0103 calitate pentru aplicarea spumei PU ignifuge. Cu c\u00e2t pistolul este mai bun, cu at\u00e2t structura spumei este mai dens\u0103 \u0219i mai etan\u0219\u0103, iar propriet\u0103\u021bile sale ignifuge sunt mai bune.<\/li>\n\n\n\n<li><strong>Aplicare<\/strong>: Agita\u021bi tubul de <strong>cel pu\u021bin 20 de ori<\/strong>; componentele spumei trebuie s\u0103 fie bine amestecate \u00eenainte de aplicarea spumei. \u021aine\u021bi tubul de spum\u0103 \u00een pozi\u021bie vertical\u0103, cu supapa \u00een sus. \u00cen\u0219uruba\u021bi pistolul pe tub. \u021aine\u021bi adaptorul tubului de spum\u0103 \u00een pozi\u021bie cu degetele \u00een timp ce \u00een\u0219uruba\u021bi pistolul pe tub. \u021aine\u021bi tubul cu capul \u00een jos atunci c\u00e2nd extrage\u021bi spuma. Extrage\u021bi o parte din spuma ini\u021bial\u0103 (1-2 secunde) \u00eentr-un sac de gunoi pentru a elimina bulele de aer \u0219i pentru a asigura o structur\u0103 uniform\u0103 a spumei.<\/li>\n\n\n\n<li><strong>Expandare<\/strong>: Nu umple\u021bi excesiv rosturile, deoarece acest lucru poate provoca deformarea sau deteriorarea suprafe\u021belor etan\u0219ate. Verifica\u021bi \u00eentotdeauna pe eticheta produsului sau \u00een documenta\u021bia tehnic\u0103 procentul recomandat de umplere a rosturilor. \u00cen cazul <strong>Penosil Fire Rated Gunfoam B1 187<\/strong>, rosturile trebuie umplute p\u00e2n\u0103 la aproximativ 75%. \u00cen cazul rosturilor mai mari, spuma PU trebuie aplicat\u0103 \u00een mai multe straturi \u0219i umezit\u0103 u\u0219or \u00eentre fiecare strat.<\/li>\n\n\n\n<li><strong>Uscare<\/strong>: Timpul final de uscare al spumei PU depinde \u00een mare m\u0103sur\u0103 de nivelul de umiditate a aerului \u0219i de temperatur\u0103. Nu t\u0103ia\u021bi \u0219i nu acoperi\u021bi spuma \u00eenainte ca aceasta s\u0103 se usuce complet. T\u0103ierea spumei prea devreme va deteriora propriet\u0103\u021bile ignifuge ale acesteia. Odat\u0103 ce spuma PU ignifug\u0103 s-a uscat complet, excesul de spum\u0103 poate fi t\u0103iat.<\/li>\n\n\n\n<li><strong>Expunerea la radia\u021bii UV<\/strong>: De\u0219i \u00een unele cazuri spuma PU este suficient\u0103 ca protec\u021bie pasiv\u0103 \u00eempotriva incendiilor, se recomand\u0103 \u00eentotdeauna acoperirea suprafe\u021bei spumei cu un material opac. Expunerea la radia\u021bii UV degradeaz\u0103 structura spumei PU \u0219i, dac\u0103 nu este acoperit\u0103, spuma \u00ee\u0219i va pierde propriet\u0103\u021bile ignifuge. Pentru a consolida propriet\u0103\u021bile ignifuge ale spumei PU, recomand\u0103m \u00eentotdeauna acoperirea suprafe\u021bei t\u0103iate a spumei cu un material de etan\u0219are rezistent la foc. Pentru etan\u0219area \u00eembin\u0103rilor mobile, cum ar fi \u00eembin\u0103rile ferestrelor \u0219i u\u0219ilor, precum \u0219i \u00eembin\u0103rile de dilatare \u0219i de conectare, este de preferat s\u0103 se utilizeze un material de etan\u0219are cu capacitate mare de mi\u0219care, cum ar fi <strong>Penosil FireStop Silicone 331<\/strong> \u0219i <strong>Penosil FireStop Hybrid 720<\/strong>. Pentru etan\u0219area \u00een jurul penetr\u0103rilor de \u021bevi \u0219i cabluri, se recomand\u0103 utilizarea unui material de etan\u0219are acrilic intumescent, cum ar fi <strong>Penosil FireStop Intumescent Acrylic 681<\/strong> sau <strong>Penosil FireStop Intumescent Graphite Acrylic 682<\/strong>.<\/li>\n\n\n\n<li><strong>\u00centre\u021binere<\/strong>: Starea \u00eembin\u0103rilor \u0219i penetr\u0103rilor rezistente la foc trebuie monitorizat\u0103 \u00een mod regulat. De obicei, evaluarea spumei PU rezistente la foc este inclus\u0103 \u00een inspec\u021biile de rutin\u0103 privind siguran\u021ba la incendiu. Spuma PU trebuie \u00eenlocuit\u0103 atunci c\u00e2nd exist\u0103 deterior\u0103ri vizibile, goluri sau deterior\u0103ri ale structurii spumei, c\u00e2nd cerin\u021bele de reglementare se modific\u0103 sau c\u00e2nd s-a atins intervalul de \u00eenlocuire recomandat de produc\u0103tor.<\/li>\n\n\n\n<li><strong>Documenta\u021bie<\/strong>: Asigura\u021bi-v\u0103 c\u0103 toate \u00eenregistr\u0103rile privind lucr\u0103rile de instalare \u0219i repara\u021bii care demonstreaz\u0103 metodele corespunz\u0103toare de aplicare sunt p\u0103strate.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Fie c\u0103 etan\u0219a\u021bi u\u0219i ignifuge \u00eentr-o cl\u0103dire reziden\u021bial\u0103, proteja\u021bi penetr\u0103rile de utilit\u0103\u021bi \u00eentr-o cl\u0103dire comercial\u0103 sau asigura\u021bi compartimentarea \u00een instala\u021bii industriale, spuma PU rezistent\u0103 la foc de \u00eenalt\u0103 calitate reprezint\u0103 o component\u0103 esen\u021bial\u0103 \u00een siguran\u021ba \u00eempotriva incendiilor a unei cl\u0103diri \u0219i ofer\u0103 o barier\u0103 esen\u021bial\u0103 \u00eempotriva r\u0103sp\u00e2ndirii focului \u0219i fumului.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Atunci c\u00e2nd se respect\u0103 tehnicile de instalare corespunz\u0103toare, precum \u0219i cerin\u021bele normative \u0219i de \u00eentre\u021binere, aceste spume PU contribuie \u00een mod semnificativ la sistemele pasive de protec\u021bie \u00eempotriva incendiilor. Pe m\u0103sur\u0103 ce reglement\u0103rile \u00een domeniul construc\u021biilor continu\u0103 s\u0103 evolueze \u0219i cerin\u021bele de siguran\u021b\u0103 \u00eempotriva incendiilor devin mai stricte, rolul spumelor PU rezistente la foc va deveni din ce \u00een ce mai important. <strong>Afla\u021bi mai multe detalii despre solu\u021biile ignifuge Penosil <a href=\"https:\/\/penosil.com\/ro\/categorie-produs\/categorii\/protectie-la-foc\/\">aici<\/a>.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"Ignifugarea este o parte integrant\u0103 a construc\u021biei \u0219i siguran\u021bei unei cl\u0103diri. De\u0219i niciun material sau produs de construc\u021bie nu poate fi considerat complet ignifug, utilizarea unei spume poliuretanice rezistente la foc, atunci c\u00e2nd construim sau renov\u0103m o cl\u0103dire, spore\u0219te siguran\u021ba \u0219i rezisten\u021ba acesteia la impactul cu focul. Spuma poliuretanic\u0103 rezistent\u0103 la foc este un produs [&hellip;]","protected":false},"author":242,"featured_media":11911,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"advgb_blocks_editor_width":"","advgb_blocks_columns_visual_guide":"","footnotes":""},"categories":[92],"tags":[],"class_list":["post-11910","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-ro"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Spuma PU rezistent\u0103 la foc: c\u00e2nd \u0219i cum se folose\u0219te<\/title>\n<meta name=\"description\" content=\"Spuma poliuretanic\u0103 rezistent\u0103 la foc este un produs specializat, care rezist\u0103 la aprindere \u0219i \u00eencetinine\u0219te propagarea fl\u0103c\u0103rii.\" \/>\n<meta name=\"robots\" content=\"index, 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