{"id":7986,"date":"2022-05-07T10:55:34","date_gmt":"2022-05-07T08:55:34","guid":{"rendered":"https:\/\/era.archi\/whats-a-thermal-bridge\/"},"modified":"2023-03-03T08:14:04","modified_gmt":"2023-03-03T07:14:04","slug":"que-es-un-pont-termic","status":"publish","type":"post","link":"https:\/\/era.archi\/ca\/que-es-un-pont-termic\/","title":{"rendered":"Qu\u00e8 \u00e9s un pont t\u00e8rmic?"},"content":{"rendered":"

Qu\u00e8 \u00e9s un pont t\u00e8rmic<\/span>?<\/p>\n

\n

Per qu\u00e8 \u00e9s important evitar el pont t\u00e8rmic<\/span>?<\/p>\n

Per qu\u00e8 casa positiva ha d’estar lliure de ponts t\u00e8rmics<\/span>?<\/p>\n

Si encara no ens coneixeu, fem una r\u00e0pida introducci\u00f3: som ERA arquitectes.<\/span>
\nEn realitat, s\u00f3c Esther Rovira, arquitecta i dissenyadora de cases passives a Barcelona, \u200b\u200bCatalunya i Andorra ja sigui per a cases passives, cases eficients i cases positives.<\/span>
\nEn aquest post ‘Qu\u00e8 \u00e9s un pont t\u00e8rmic?’<\/em>, trobar\u00e0s la nostra recomanaci\u00f3 professional<\/span>.
\nEspero que us serveixi d’ajuda<\/span>! Som-hi!<\/p>\n

 <\/p>\n

El tercer requisit duna casa positiva \u00e9s evitar els ponts t\u00e8rmics<\/span>.
\nSi t’has saltat la primera i la segona, consulta el nostre post<\/span>: ‘A\u00efllament en una casa positiva’<\/a><\/span><\/p>\n

 <\/p>\n<\/div>\n

Qu\u00e8 \u00e9s un pont t\u00e8rmic<\/b>?<\/strong><\/p>\n

Aquesta estranya combinaci\u00f3 de paraules defineix els punts de connexi\u00f3 on casa no est\u00e0 a\u00efllada.
\n<\/span>Si no est\u00e0 a\u00efllada, vol dir que hi ha un pont amb la temperatura exterior a trav\u00e9s de la transmit\u00e0ncia t\u00e8rmica d’aquest material. (Recordes el valor U? Si no, consulta el cap\u00edtol Comportament t\u00e8rmic dels materials).
\n<\/span>Aix\u00f2 se sol entendre b\u00e9 comprovant el pla de tall de casa teva positiva.<\/span><\/p>\n

 <\/p>\n

Pont t\u00e8rmic (imatge dreta<\/b>)<\/strong><\/span><\/p>\n

Aix\u00ed doncs, considerem una connexi\u00f3 de llosa interm\u00e8dia amb la fa\u00e7ana.
\nSi fem una ullada a la imatge de la dreta veurem que l’a\u00efllament nom\u00e9s \u00e9s a l’interior, despr\u00e9s queda un tros de formig\u00f3 sense a\u00efllar.
\nAquest tros de formig\u00f3 \u00e9s un pont cap al m\u00f3n exterior i el clima. Com que el formig\u00f3 t\u00e9 una transmit\u00e0ncia t\u00e8rmica molt alta, aquest tros de formig\u00f3 mostrat conduir\u00e0 altament la temperatura a banda i banda. Aleshores, si \u00e9s hivern, el fred irrompr\u00e0 a casa seva a trav\u00e9s d’aquest tros de formig\u00f3 no cobert. I tamb\u00e9 la calor interior se n’anir\u00e0 a trav\u00e9s d’aquest punt.\u00a0<\/span><\/p>\n

 <\/p>\n

Sense pont t\u00e8rmic (imatge esquerra<\/b>)<\/strong><\/p>\n

La casa positiva ha d’evitar els ponts t\u00e8rmics<\/span>.
\nEstar completament a\u00efllat per una capa cont\u00ednua d’a\u00efllament de gruix adequat \u00e9s la millor manera d’evitar els ponts t\u00e8rmics<\/span>.\"what<\/p>\n

Deixa’m que t’expliqui alguna cosa que em va passar a mi<\/b>:
\n<\/strong>Un possible client desesperat ens va trucar amb un projecte d’un altre arquitecte suposadament dissenyat com a habitatge sostenible.
\nJa tenien els permisos de l’Ajuntament i estaven preparats per comen\u00e7ar a construir.
\nAleshores, quan el seu arquitecte els envia els pl\u00e0nols definitius. Per primera vegada, els clients veuen el tall lateral de casa seva “suposadament sostenible”. Per sorpresa seva, hi havia molt poc a\u00efllament i les connexions no estaven ben resoltes, per la qual cosa a cada connexi\u00f3 hi havia un enorme pont t\u00e8rmic de formig\u00f3.
\nAquest client va haver de canviar d’arquitecte per refer tot el projecte de construcci\u00f3 i fer-ho sostenible (de deb\u00f2). Ens van contractar, aix\u00ed que vam redissenyar el sistema de construcci\u00f3 redibuixant la vista en secci\u00f3, redefinint els materials, calculant els valors amb el simulador passiu i resolent totes les connexions. Al final, la casa va obtenir el certificat de casa passiva plus.
\nAl final, els clients estaven contents amb la seva nova casa saludable. Tot i aix\u00f2, van haver de gastar m\u00e9s diners i temps a causa d’aquest canvi d’arquitectes.<\/span><\/p>\n

 <\/p>\n

La nostra recomanaci\u00f3 professional:<\/b>
\n<\/strong>Demana al teu arquitecte que et mostri el tall de la secci\u00f3 de construcci\u00f3 de casa teva positiva per comprovar si hi ha talls a la capa a\u00efllant<\/span>.
\nSi n’hi ha, demana-li que calculi el pont t\u00e8rmic que aix\u00f2 suposa per a la p\u00e8rdua de calor dins de casa teva<\/span>.
\nO millor encara, evita totes aquestes preguntes i contracta un arquitecte que tamb\u00e9 sigui dissenyador de cases passives<\/span>.
\nNo hem de ser nosaltres, per\u00f2 SI US PLAU, pel b\u00e9 de la teva futura salut mental, contracta un arquitecte de cases passives.<\/span><\/p>\n

Tamb\u00e9 us pot interessar<\/b>:
\n<\/strong>Probablement hagis sentit a parlar alguna vegada dels ponts t\u00e8rmics quan parlem de finestres.<\/span>
\n<\/span>Aprofundirem a les finestres ara que ja has entrat en calor: ‘Per qu\u00e8 s\u00f3n importants les finestres en una casa positiva?’<\/em><\/a><\/span><\/strong><\/span><\/p>\n

 <\/p>\n

 <\/p>\n

Confio que aquest post ‘Qu\u00e8 \u00e9s un pont t\u00e8rmic?’<\/em> sigui \u00fatil!<\/span><\/p>\n

Sort a l’aventura de casa teva positiva<\/span>.
\nEns veiem al proper post<\/span>,<\/p>\n

\"architectBarcelona\"<\/p>\n

Esther Rovira Raurell<\/a><\/strong><\/span><\/div>\n
\n
\n
Arquitecta col.legiada a Barcelona<\/a>\u00a0#44234-8<\/span><\/div>\n
Passive House Designer<\/a><\/span><\/div>\n
Afiliada a la\u00a0International Passive House Association<\/a><\/span><\/div>\n
Fundadora d\u2019ERA architects<\/a><\/span><\/div>\n<\/div>\n
<\/div>\n

P.S. Vols rebre consells sostenibles GRATIS?\u00a0S\u00ed, vull!<\/a>\u00a0<\/strong><\/span>o segueix-nos a\u00a0Instagram<\/a>,\u00a0Pinterest<\/a>,\u00a0Twitter<\/a>\u00a0y\u00a0Facebook<\/a><\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Qu\u00e8 \u00e9s un pont t\u00e8rmic? Per qu\u00e8 \u00e9s important evitar […]<\/p>\n","protected":false},"author":1,"featured_media":7732,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[599],"tags":[636,637,654,638,639,698,640,641,699,700,642,682,683,644],"class_list":["post-7986","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arquitecte-casa-pasiva","tag-architect-barcelona-ca","tag-architect-passive-house-barcelona-ca","tag-casa-positiva","tag-clt-house-ca","tag-english-speaking-architect-barcelona-ca","tag-finestres","tag-passive-house-en-ca","tag-passive-house-barcelona-ca","tag-pont-termic","tag-pont-termic-casa-positiva","tag-positive-house-ca","tag-thermal-bridge-ca","tag-thermal-bridge-passive-house-ca","tag-wood-house-ca"],"yoast_head":"\nQu\u00e8 \u00e9s un pont t\u00e8rmic? - ERA architects<\/title>\n<meta name=\"description\" content=\"A 'Qu\u00e8 \u00e9s un pont t\u00e8rmic?' 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