{"id":5739,"date":"2026-05-16T01:33:29","date_gmt":"2026-05-16T01:33:29","guid":{"rendered":"https:\/\/www.pipetechservice.com\/?p=5739"},"modified":"2026-06-20T00:34:00","modified_gmt":"2026-06-20T00:34:00","slug":"best-way-to-repair-old-cast-iron-pipes-cipp-vs-pipe-bursting","status":"publish","type":"post","link":"https:\/\/www.pipetechservice.com\/fr\/best-way-to-repair-old-cast-iron-pipes-cipp-vs-pipe-bursting\/","title":{"rendered":"La meilleure m\u00e9thode pour r\u00e9parer de vieilles canalisations en fonte : CIPP ou \u00e9clatement de canalisation ?"},"content":{"rendered":"<p>La meilleure solution pour r\u00e9parer de vieilles canalisations en fonte consiste \u00e0 recourir au rev\u00eatement CIPP lorsque la canalisation est encore intacte sur le plan structurel, mais qu'elle pr\u00e9sente des traces de corrosion ou des fissures. Si la canalisation est gravement endommag\u00e9e ou s'est effondr\u00e9e, la technique de \u00ab pipe bursting \u00bb constitue la meilleure m\u00e9thode de remplacement sans tranch\u00e9e. La r\u00e9paration \u00e0 l'\u00e9poxy ne convient qu'aux petites fuites isol\u00e9es et doit \u00eatre consid\u00e9r\u00e9e comme une solution provisoire.<\/p>\n\n\n\n<p>Cet article s'appuie sur des donn\u00e9es de terrain issues de plus de 140 projets de r\u00e9habilitation sans tranch\u00e9e et respecte les normes industrielles ASTM F1216 et NASSCO.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-quick-method-selection-guide\">Guide rapide de s\u00e9lection des m\u00e9thodes<\/h2>\n\n\n\n<p>Utilisez ce guide pour d\u00e9terminer la m\u00e9thode de r\u00e9habilitation la mieux adapt\u00e9e \u00e0 l'\u00e9tat de votre canalisation en fonte :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Recourez au rev\u00eatement CIPP dans les cas suivants :<\/strong>\u00a0La canalisation pr\u00e9sente des fissures pouvant atteindre 1\/4 de pouce de large, de la corrosion interne (tubercules), de l\u00e9gers d\u00e9calages au niveau des joints, ou une perte d'\u00e9paisseur de paroi de type 20\u201350%, mais aucun effondrement.<\/li>\n\n\n\n<li><strong>Recourez \u00e0 la technique de rupture de canalisation dans les cas suivants :<\/strong>\u00a0La canalisation pr\u00e9sente un effondrement d\u00e9passant 50% de son diam\u00e8tre, un d\u00e9placement important des racines ou des sections fragment\u00e9es qui emp\u00eachent l'insertion de la gaine.<\/li>\n\n\n\n<li><strong>Recourez \u00e0 la r\u00e9paration ponctuelle \u00e0 l'\u00e9poxy dans les cas suivants :<\/strong>\u00a0Il n'y a que des fuites ponctuelles isol\u00e9es (repr\u00e9sentant moins de 5% de la longueur totale de la canalisation) et l'int\u00e9grit\u00e9 structurelle ne pose aucun probl\u00e8me.<\/li>\n\n\n\n<li><strong>Recourez \u00e0 la m\u00e9thode traditionnelle \u00ab creuser et remplacer \u00bb lorsque :<\/strong>\u00a0La canalisation pr\u00e9sente un \u00e9tat de niveau 4 (effondrement total) ou lorsque les m\u00e9thodes sans tranch\u00e9e ne sont pas rentables pour des tron\u00e7ons courts de moins de 20 pieds.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-best-method-summary\">R\u00e9sum\u00e9 des meilleures m\u00e9thodes<\/h2>\n\n\n\n<p>La technique CIPP est la plus adapt\u00e9e \u00e0 la plupart des canalisations en fonte pr\u00e9sentant des traces de corrosion ou des fissures, tandis que la m\u00e9thode de rupture de canalisation est n\u00e9cessaire pour les canalisations effondr\u00e9es.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-people-also-ask-about-cast-iron-pipe-repair\">Questions fr\u00e9quentes sur la r\u00e9paration des canalisations en fonte<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Peut-on r\u00e9parer des canalisations en fonte sans les remplacer ?<\/strong>\u00a0Oui, en utilisant la technique de rev\u00eatement CIPP ou une r\u00e9paration ponctuelle \u00e0 l'\u00e9poxy.<\/li>\n\n\n\n<li><strong>Quelle est la dur\u00e9e de vie des canalisations en fonte rev\u00eatues ?<\/strong>\u00a0Plus de 50 ans pour un syst\u00e8me CIPP correctement install\u00e9.<\/li>\n\n\n\n<li><strong>L'assurance habitation couvre-t-elle le remplacement des canalisations en fonte ?<\/strong>\u00a0En r\u00e8gle g\u00e9n\u00e9rale, uniquement si les dommages sont soudains et accidentels, et ne r\u00e9sultent pas de l'usure normale.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-1-why-do-old-cast-iron-pipes-fail-and-need-rehabilitation\">1. Pourquoi les anciennes canalisations en fonte tombent-elles en panne et doivent-elles \u00eatre r\u00e9nov\u00e9es ?<\/h2>\n\n\n\n<p>Les anciennes canalisations en fonte pr\u00e9sentent g\u00e9n\u00e9ralement des d\u00e9faillances dues \u00e0 la corrosion interne, \u00e0 la graphitisation et \u00e0 la d\u00e9t\u00e9rioration des raccords apr\u00e8s 50 \u00e0 100 ans de service. La fonte r\u00e9agit avec l'eau et l'oxyg\u00e8ne, formant des tubercules (amas de rouille) qui r\u00e9duisent le d\u00e9bit et cr\u00e9ent des points faibles.<\/p>\n\n\n\n<p><strong>Voici les signes indiquant qu\u2019un tuyau en fonte doit \u00eatre remplac\u00e9 :<\/strong>&nbsp;des obstructions fr\u00e9quentes des canalisations, des refoulements r\u00e9currents des \u00e9gouts, des odeurs de moisi pr\u00e8s des murs ou des sols, un affaissement visible des canalisations et des fissures dans les fondations \u00e0 proximit\u00e9 des colonnes de vidange.<\/p>\n\n\n\n<p>D'apr\u00e8s les donn\u00e9es de terrain issues de plus de 140 projets r\u00e9sidentiels (2024-2025), plus de 85% de d\u00e9faillances sur des canalisations en fonte trouvent leur origine au niveau du fond de la conduite, o\u00f9 l'eau stagnante acc\u00e9l\u00e8re la corrosion. La question \u201c comment r\u00e9parer une ancienne canalisation d\u2019\u00e9gout en fonte sans creuser \u201d est d\u00e9sormais la requ\u00eate la plus recherch\u00e9e par les propri\u00e9taires en mati\u00e8re de techniques sans tranch\u00e9e, selon les donn\u00e9es sur les tendances du secteur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-2-cipp-lining-the-best-method-for-structurally-intact-but-corroded-cast-iron\">2. Rev\u00eatement CIPP : la meilleure m\u00e9thode pour les canalisations en fonte structurellement intactes mais corrod\u00e9es<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-1-what-is-cipp-and-how-does-it-work-inside-cast-iron-pipes\">2.1 Qu'est-ce que le CIPP et comment fonctionne-t-il \u00e0 l'int\u00e9rieur des canalisations en fonte ?<\/h3>\n\n\n\n<p>La technique CIPP (Cured-in-Place Pipe) est une m\u00e9thode de r\u00e9habilitation sans tranch\u00e9e qui consiste \u00e0 cr\u00e9er une nouvelle canalisation \u00e0 l'int\u00e9rieur d'une canalisation existante endommag\u00e9e \u00e0 l'aide d'un manchon impr\u00e9gn\u00e9 de r\u00e9sine.<\/p>\n\n\n\n<p>La gaine \u2014 en feutre ou en fibre de verre \u2014 est ins\u00e9r\u00e9e dans l'ancien tuyau en fonte par un regard de nettoyage existant ou une petite fosse d'acc\u00e8s. Une fois en place, la gaine est gonfl\u00e9e et durcie \u00e0 l'aide d'eau chaude, de vapeur ou de rayons UV. On obtient ainsi un nouveau tuyau lisse, sans joint, et structurellement solide, qui colmate les fissures, comble les interstices jusqu\u2019\u00e0 1 pouce et r\u00e9siste \u00e0 la corrosion future.<\/p>\n\n\n\n<p><strong>Proc\u00e9dure d'installation CIPP \u00e9tape par \u00e9tape pour une conduite d'\u00e9vacuation en fonte de 4 pouces :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00c9tape 1 :<\/strong>\u00a0Nettoyez la canalisation \u00e0 l'aide d'eau sous haute pression (3 000 \u00e0 4 000 psi) et d'une tron\u00e7onneuse \u00e0 cha\u00eene pour \u00e9liminer les protub\u00e9rances.<\/li>\n\n\n\n<li><strong>\u00c9tape 2 :<\/strong>\u00a0R\u00e9aliser une inspection par cam\u00e9ra pour recenser les fissures, les d\u00e9calages et la longueur totale.<\/li>\n\n\n\n<li><strong>\u00c9tape 3 :<\/strong>\u00a0Ins\u00e9rez la gaine impr\u00e9gn\u00e9e de r\u00e9sine (\u00e9paisseur habituelle : 3 \u00e0 6 mm pour les canalisations r\u00e9sidentielles).<\/li>\n\n\n\n<li><strong>\u00c9tape 4 :<\/strong>\u00a0Retournez ou tirez la doublure pour la mettre en place, puis gonflez-la \u00e0 l'air comprim\u00e9.<\/li>\n\n\n\n<li><strong>\u00c9tape 5 :<\/strong>\u00a0Faire durcir la r\u00e9sine (le durcissement \u00e0 la vapeur dure entre 2 et 4 heures pour une longueur de 50 pieds).<\/li>\n\n\n\n<li><strong>\u00c9tape 6 :<\/strong>\u00a0Retirez le tube d'\u00e9talonnage et proc\u00e9dez \u00e0 une nouvelle inspection \u00e0 l'aide d'un syst\u00e8me de vid\u00e9osurveillance.<\/li>\n<\/ul>\n\n\n\n<p><strong>Le chemisage CIPP est g\u00e9n\u00e9ralement consid\u00e9r\u00e9 comme la solution sans tranch\u00e9e la plus rentable pour les canalisations en fonte vieillissantes.<\/strong><\/p>\n\n\n\n<p><strong>Exemple concret :<\/strong>&nbsp;En Californie, une canalisation d'\u00e9gout r\u00e9sidentielle en fonte, vieille de 60 ans et pr\u00e9sentant une perte d'\u00e9paisseur de paroi de 30%, a \u00e9t\u00e9 r\u00e9habilit\u00e9e en 5 heures \u00e0 l'aide de la technique CIPP, ce qui a permis d'\u00e9conomiser $8 000 en frais d'excavation et de pr\u00e9server un sous-sol am\u00e9nag\u00e9 ainsi qu'un jardin paysager.<\/p>\n\n\n\n<p><strong>Co\u00fbt de remplacement d'un tuyau d'\u00e9vacuation en fonte par pied \u00e0 l'aide de la technique CIPP :<\/strong>&nbsp;En g\u00e9n\u00e9ral, entre 80 et 80\u2013200 par pied lin\u00e9aire, soit 30\u201350% de moins que la m\u00e9thode classique de \u00ab creusage et remplacement \u00bb. Le co\u00fbt total d'un projet portant sur une canalisation d'\u00e9gout r\u00e9sidentielle moyenne de 50 pieds utilisant la technique CIPP est compris entre 4 000 et 10 000.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-2-what-are-the-limitations-of-cipp-for-cast-iron\">2.2 Quelles sont les limites de la technique CIPP pour la fonte ?<\/h3>\n\n\n\n<p>La technique CIPP n'est pas adapt\u00e9e aux canalisations pr\u00e9sentant un effondrement important (perte de paroi sup\u00e9rieure \u00e0 50%) ou une intrusion racinaire active ayant d\u00e9plac\u00e9 la canalisation h\u00f4te de plus de 1 pouce. Dans de tels cas, la gaine risque de ne pas \u00e9pouser correctement la forme de la canalisation. De plus, la m\u00e9thode CIPP n\u00e9cessite au moins un point d'acc\u00e8s (souvent un regard de nettoyage ou une excavation de 12 pouces).<\/p>\n\n\n\n<p><strong>Quelle est la dur\u00e9e de vie du CIPP dans une canalisation en fonte ?<\/strong>&nbsp;Conform\u00e9ment \u00e0 la norme ASTM F1216, une gaine CIPP correctement install\u00e9e offre une dur\u00e9e de vie structurelle de plus de 50 ans et permet de r\u00e9tablir des pressions nominales pouvant atteindre 150 psi pour les r\u00e9seaux gravitaires et \u00e0 basse pression.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Pour en savoir plus sur :<\/strong>&nbsp;Co\u00fbt de la r\u00e9paration d'\u00e9gouts sans tranch\u00e9e | Processus d'installation du CIPP<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-3-pipe-bursting-the-only-trenchless-option-for-fully-collapsed-pipes\">3. L'\u00e9clatement de canalisations : la seule solution sans tranch\u00e9e pour les canalisations totalement effondr\u00e9es<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-1-when-should-you-choose-pipe-bursting-over-cipp\">3.1 Dans quels cas faut-il privil\u00e9gier la technique d'\u00e9clatement de canalisation plut\u00f4t que le CIPP ?<\/h3>\n\n\n\n<p>Le \u00e9clatement de canalisation est la seule m\u00e9thode sans tranch\u00e9e recommand\u00e9e lorsque l'ancienne canalisation en fonte s'est fragment\u00e9e en plusieurs morceaux, pr\u00e9sente des renflements (affaissements sup\u00e9rieurs \u00e0 2 pouces) ou s'est effondr\u00e9e sur une section d\u00e9passant 50% de son diam\u00e8tre.<\/p>\n\n\n\n<p><strong>Comment fonctionne le proc\u00e9d\u00e9 d'\u00e9clatement de canalisations :<\/strong>&nbsp;Une t\u00eate d'expansion est tir\u00e9e \u00e0 travers la canalisation existante, ce qui provoque la rupture de l'ancienne canalisation en fer vers l'ext\u00e9rieur tout en mettant simultan\u00e9ment en place une nouvelle canalisation en PEHD (poly\u00e9thyl\u00e8ne haute densit\u00e9). Cette m\u00e9thode permet d'augmenter le diam\u00e8tre de la canalisation d'une \u00e0 deux tailles nominales.<\/p>\n\n\n\n<p>Le tableau ci-dessous compare les techniques CIPP et d'\u00e9clatement de canalisation pour la r\u00e9paration des canalisations en fonte en termes de co\u00fbt, de dur\u00e9e de vie et de cas d'utilisation optimaux.<\/p>\n\n\n\n<p><strong>Tableau comparatif : CIPP et \u00e9clatement de canalisation pour les canalisations en fonte<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Crit\u00e8res de comparaison des m\u00e9thodes<\/th><th>Rev\u00eatement CIPP<\/th><th>\u00c9clatement des tuyaux<\/th><\/tr><\/thead><tbody><tr><td><strong>Condition minimale relative au tuyau de l'h\u00f4te<\/strong><\/td><td>Fissures allant jusqu'\u00e0 1\/4 de pouce, joints l\u00e9g\u00e8rement d\u00e9cal\u00e9s<\/td><td>D\u00e9g\u00e2ts aux racines : effondrement, fragmentation ou dommages graves<\/td><\/tr><tr><td><strong>Nouveau mat\u00e9riau pour les tuyaux<\/strong><\/td><td>Tissu impr\u00e9gn\u00e9 de r\u00e9sine (durci sur place)<\/td><td>HDPE (\u00e0 paroi \u00e9paisse, thermofusible)<\/td><\/tr><tr><td><strong>Variation du diam\u00e8tre<\/strong><\/td><td>M\u00eame diam\u00e8tre (ou 1\/8 de pouce de moins)<\/td><td>Possibilit\u00e9 d'augmenter la taille de 1 \u00e0 2 tailles nominales<\/td><\/tr><tr><td><strong>Des regards d'acc\u00e8s sont n\u00e9cessaires<\/strong><\/td><td>Une petite ouverture (g\u00e9n\u00e9ralement 12\u00d712 pouces)<\/td><td>Deux fosses (lancement et r\u00e9ception)<\/td><\/tr><tr><td><strong>Co\u00fbt par pied lin\u00e9aire<\/strong><\/td><td>80\u201380\u2013200<\/td><td>100\u2013100\u2013250<\/td><\/tr><tr><td><strong>Co\u00fbt total pour une longueur de 50 pieds<\/strong><\/td><td>4,000\u20134,000\u201310,000<\/td><td>5,000\u20135,000\u201312,500<\/td><\/tr><tr><td><strong>Dur\u00e9e de vie structurelle<\/strong><\/td><td>Plus de 50 ans<\/td><td>Plus de 70 ans<\/td><\/tr><tr><td><strong>Meilleur cas d'utilisation<\/strong><\/td><td>Des canalisations corrod\u00e9es mais intactes<\/td><td>Canalisations effondr\u00e9es ou gravement endommag\u00e9es<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Le remplacement par \u00e9clatement est la seule m\u00e9thode sans tranch\u00e9e qui permet de remplacer int\u00e9gralement une canalisation en fonte d\u00e9fectueuse sans avoir \u00e0 creuser.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-2-can-pipe-bursting-damage-nearby-utilities\">3.2 L'\u00e9clatement d'une canalisation peut-il endommager les r\u00e9seaux voisins ?<\/h3>\n\n\n\n<p>Oui, si les conditions du sol sont d\u00e9favorables ou si les distances de s\u00e9curit\u00e9 sont insuffisantes. La technique de rupture de canalisation provoque des mouvements de terrain (g\u00e9n\u00e9ralement un soul\u00e8vement de 1 \u00e0 3 pouces en surface). Les r\u00e8gles de s\u00e9curit\u00e9 standard imposent de localiser tous les r\u00e9seaux adjacents (gaz, eau, fibre optique) situ\u00e9s \u00e0 moins de 18 pouces du trac\u00e9 de rupture. La plupart des r\u00e8glements municipaux exigent la r\u00e9alisation de sondages aux points de croisement afin de v\u00e9rifier les profondeurs avant de proc\u00e9der \u00e0 l\u2019\u00e9clatement.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Pour en savoir plus sur :<\/strong>&nbsp;\u00c9clatement de canalisations ou excavation traditionnelle ?<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-4-epoxy-pipe-lining-a-temporary-solution-for-isolated-pinhole-leaks\">4. Rev\u00eatement de canalisations \u00e0 l'\u00e9poxy : une solution temporaire pour les fuites ponctuelles isol\u00e9es<\/h2>\n\n\n\n<p>Pour les anciennes canalisations en fonte pr\u00e9sentant uniquement des fuites ponctuelles (moins de 5% de longueur totale pr\u00e9sentant des traces d'humidit\u00e9), la r\u00e9paration ponctuelle \u00e0 l'\u00e9poxy est la m\u00e9thode la moins co\u00fbteuse et la plus rapide. Une r\u00e9sine \u00e9poxy bicomposante (de qualit\u00e9 structurelle, adh\u00e9rence sup\u00e9rieure \u00e0 12 000 psi) est inject\u00e9e dans la zone de fuite \u00e0 l'aide d'un applicateur robotis\u00e9 ou appliqu\u00e9e manuellement \u00e0 l'aide d'un petit packer.<\/p>\n\n\n\n<p><strong>Proc\u00e9dure type de r\u00e9paration \u00e0 l'\u00e9poxy pour une fuite de type \u00ab trou d'\u00e9pingle \u00bb :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nettoyez la zone de fuite \u00e0 l'aide d'une brosse m\u00e9tallique rotative.<\/li>\n\n\n\n<li>Appliquez un d\u00e9graissant \u00e0 base de solvant.<\/li>\n\n\n\n<li>Injecter de la r\u00e9sine \u00e9poxy \u00e0 une pression comprise entre 80 et 100 psi pendant 2 minutes.<\/li>\n\n\n\n<li>Laisser s\u00e9cher pendant 4 heures avant de rajouter de l'eau.<\/li>\n<\/ul>\n\n\n\n<p><strong>La r\u00e9paration \u00e0 l'\u00e9poxy doit \u00eatre consid\u00e9r\u00e9e comme une solution temporaire uniquement, d'une dur\u00e9e de 3 \u00e0 8 ans, et ne convient pas aux canalisations pr\u00e9sentant une corrosion \u00e9tendue ou une fragilit\u00e9 structurelle.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-5-how-to-decide-is-it-better-to-repair-or-replace-cast-iron-pipes\">5. Comment prendre une d\u00e9cision : vaut-il mieux r\u00e9parer ou remplacer les canalisations en fonte ?<\/h2>\n\n\n\n<p>La r\u00e9ponse d\u00e9pend de l'\u00e9tendue des d\u00e9g\u00e2ts subis par la canalisation, de sa dur\u00e9e de vie restante et de votre budget.<\/p>\n\n\n\n<p><strong>Comment savoir si votre tuyau en fonte est irr\u00e9parable :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Il manque plus de 50% de la paroi du tuyau (d\u00e9g\u00e2t de niveau 4).<\/li>\n\n\n\n<li>La canalisation s'est effondr\u00e9e \u00e0 plusieurs endroits.<\/li>\n\n\n\n<li>L'intrusion de racines a d\u00e9plac\u00e9 le tuyau de plus d'un pouce.<\/li>\n\n\n\n<li>La canalisation pr\u00e9sente un affaissement sup\u00e9rieur \u00e0 2 pouces sur 10 pieds.<\/li>\n<\/ul>\n\n\n\n<p>Dans ces cas-l\u00e0, l'\u00e9clatement de la canalisation ou son remplacement complet sont vos seules options.<\/p>\n\n\n\n<p>Contrairement aux travaux d'excavation traditionnels, les m\u00e9thodes sans tranch\u00e9e limitent au maximum les perturbations en surface et r\u00e9duisent la dur\u00e9e totale du projet jusqu'\u00e0 70%. La technique CIPP prend entre 4 et 6 heures pour un tron\u00e7on de 50 pieds. La technique de rupture de canalisation prend entre 5 et 8 heures. La m\u00e9thode \u00ab creuser-remplacer \u00bb prend entre 1 et 3 jours, auxquels s'ajoute le temps de remise en \u00e9tat.<\/p>\n\n\n\n<p><strong>La plupart des propri\u00e9taires optent pour la technique CIPP, car elle \u00e9vite les travaux d'excavation, permet de r\u00e9duire les co\u00fbts jusqu'\u00e0 50% et peut \u00eatre r\u00e9alis\u00e9e en une seule journ\u00e9e.<\/strong><\/p>\n\n\n\n<p><strong>Les m\u00e9thodes de r\u00e9paration des canalisations sans tranch\u00e9e constituent d\u00e9sormais la norme dans le secteur pour la r\u00e9habilitation des r\u00e9seaux d'\u00e9gouts en fonte.<\/strong><\/p>\n\n\n\n<p>Conform\u00e9ment aux pratiques du secteur, les m\u00e9thodes sans tranch\u00e9e sont d\u00e9sormais privil\u00e9gi\u00e9es par rapport aux techniques d'excavation traditionnelles pour la plupart des r\u00e9parations de canalisations en fonte dans le secteur r\u00e9sidentiel.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-6-faq-old-cast-iron-pipe-rehabilitation\">6. FAQ : R\u00e9habilitation des anciennes canalisations en fonte<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-q-how-much-does-it-cost-to-replace-cast-iron-pipes-without-digging\">Q : Combien co\u00fbte le remplacement de canalisations en fonte sans travaux d'excavation ?<\/h3>\n\n\n\n<p>Le co\u00fbt varie g\u00e9n\u00e9ralement entre 80 et 250 par pied lin\u00e9aire, selon la m\u00e9thode utilis\u00e9e. La technique CIPP co\u00fbte entre 80 et 200 par pied lin\u00e9aire. L'\u00e9clatement de canalisation co\u00fbte entre 100 et 250 par pied lin\u00e9aire. Le co\u00fbt total d'un projet portant sur une canalisation d'\u00e9gout de 50 pieds est compris entre 4 000 et 12 500.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-q-is-it-better-to-repair-or-replace-cast-iron-pipes\">Q : Vaut-il mieux r\u00e9parer ou remplacer les canalisations en fonte ?<\/h3>\n\n\n\n<p>Il est pr\u00e9f\u00e9rable de r\u00e9parer les canalisations en fonte \u00e0 l'aide de la technique CIPP lorsque celles-ci sont structurellement intactes mais corrod\u00e9es (d\u00e9g\u00e2ts de niveau 2 \u00e0 3). Il est pr\u00e9f\u00e9rable de les remplacer par la technique de \u00ab pipe bursting \u00bb lorsque la canalisation s'est effondr\u00e9e ou fragment\u00e9e au-del\u00e0 de 50% (d\u00e9g\u00e2ts de niveau 4). La r\u00e9paration par CIPP permet d'\u00e9conomiser 40 \u00e0 60 % par rapport \u00e0 un remplacement complet.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-q-how-do-i-know-if-my-cast-iron-pipe-is-beyond-repair\">Q : Comment savoir si mon tuyau en fonte est irr\u00e9parable ?<\/h3>\n\n\n\n<p>Une canalisation est consid\u00e9r\u00e9e comme irr\u00e9parable lorsque plus de 50% de sa paroi est manquante, qu'elle s'est effondr\u00e9e en plusieurs sections ou que l'intrusion de racines l'a d\u00e9plac\u00e9e de plus d'un pouce. Une inspection professionnelle par cam\u00e9ra endoscopique permet de classer votre canalisation selon une \u00e9chelle de dommages \u00e0 quatre niveaux.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-q-can-cast-iron-pipes-be-relined\">Q : Peut-on r\u00e9nover l'int\u00e9rieur des canalisations en fonte ?<\/h3>\n\n\n\n<p>Oui, les canalisations en fonte peuvent \u00eatre r\u00e9habilit\u00e9es \u00e0 l'aide de la technologie CIPP. La gaine cr\u00e9e une nouvelle canalisation structurelle \u00e0 l'int\u00e9rieur de l'ancienne canalisation en fonte, colmatant ainsi les fissures, emp\u00eachant toute nouvelle corrosion et prolongeant la dur\u00e9e de vie de plus de 50 ans. La r\u00e9habilitation est efficace pour les canalisations pr\u00e9sentant une perte d'\u00e9paisseur allant jusqu'\u00e0 50%.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-q-is-pipe-bursting-better-than-cipp\">Q : La technique d'\u00e9clatement de canalisations est-elle plus efficace que la technique CIPP ?<\/h3>\n\n\n\n<p>La technique d'\u00e9clatement de canalisations n'est pr\u00e9f\u00e9rable \u00e0 la m\u00e9thode CIPP que pour les canalisations en fonte compl\u00e8tement effondr\u00e9es ou fortement fragment\u00e9es. Pour les canalisations pr\u00e9sentant de la corrosion, des fissures ou de l\u00e9gers d\u00e9calages au niveau des raccords (plus de 70% d'anciennes d\u00e9faillances de canalisations en fonte), la m\u00e9thode CIPP est plus adapt\u00e9e car elle ne n\u00e9cessite qu'un seul point d'acc\u00e8s et co\u00fbte moins cher au pied.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-7-how-to-choose-the-right-contractor-for-cast-iron-rehabilitation\">7. Comment choisir le bon entrepreneur pour la r\u00e9novation de pi\u00e8ces en fonte<\/h2>\n\n\n\n<p>Une entreprise sp\u00e9cialis\u00e9e doit r\u00e9aliser une inspection par cam\u00e9ra et classer votre canalisation selon l'\u00e9chelle de dommages de la fonte \u00e0 4 niveaux :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Niveau 1 :<\/strong>\u00a0Corrosion superficielle uniquement \u2192 aucune intervention ni rev\u00eatement protecteur.<\/li>\n\n\n\n<li><strong>Niveau 2 :<\/strong>\u00a0Fuites ponctuelles ou fissures longitudinales de moins de 6 pouces \u2192 r\u00e9paration ponctuelle \u00e0 l'\u00e9poxy ou CIPP.<\/li>\n\n\n\n<li><strong>Niveau 3 :<\/strong>\u00a0Perte mod\u00e9r\u00e9e de la paroi (20\u201350%) et joints ouverts \u2192 technique CIPP recommand\u00e9e.<\/li>\n\n\n\n<li><strong>Niveau 4 :<\/strong>\u00a0Effondrement, absence de paroi au-dessus de 50% ou d\u00e9placement des racines \u2192 rupture de canalisation.<\/li>\n<\/ul>\n\n\n\n<p><strong>Signaux d'alerte \u00e0 \u00e9viter :<\/strong>&nbsp;Les entrepreneurs qui proposent la technique CIPP sans nettoyer pr\u00e9alablement la canalisation, ou qui garantissent une dur\u00e9e de vie de 50 ans sans fournir de vid\u00e9o de contr\u00f4le par cam\u00e9ra CCTV apr\u00e8s l\u2019installation. Exigez toujours une garantie \u00e9crite couvrant la main-d\u2019\u0153uvre pendant au moins 5 ans et le mat\u00e9riau de rev\u00eatement pendant 10 \u00e0 25 ans.<\/p>\n\n\n\n<p>Dans la plupart des applications r\u00e9sidentielles, la technique CIPP offre le meilleur compromis entre co\u00fbt, durabilit\u00e9 et rapidit\u00e9 de pose pour les canalisations en fonte pr\u00e9sentant des dommages de niveau 2 \u00e0 3.<\/p>","protected":false},"excerpt":{"rendered":"<p>The best way to repair old cast iron pipes is CIPP lining when the pipe is still structurally intact but corroded or cracked. If the pipe is severely damaged or collapsed, pipe bursting is the best trenchless replacement method. Epoxy repair is only suitable for small, isolated leaks and should be considered a temporary fix. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5740,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_surecart_dashboard_logo_width":"180px","_surecart_dashboard_show_logo":true,"_surecart_dashboard_navigation_orders":true,"_surecart_dashboard_navigation_invoices":true,"_surecart_dashboard_navigation_subscriptions":true,"_surecart_dashboard_navigation_downloads":true,"_surecart_dashboard_navigation_billing":true,"_surecart_dashboard_navigation_account":true,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[701],"tags":[853,854,855,857,856],"class_list":["post-5739","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-trenchless-technology","tag-best-way-to-repair-old-cast-iron-pipes","tag-cipp-vs-pipe-bursting","tag-cost-to-replace-cast-iron-drain-pipe","tag-how-to-repair-old-cast-iron-sewer-pipe-without-digging","tag-trenchless-cast-iron-pipe-repair"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.5 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>est Way to Repair Old Cast Iron Pipes | CIPP vs Pipe Bursting<\/title>\n<meta name=\"description\" content=\"Learn the best way to repair old cast iron pipes without digging. 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best way to repair old cast iron pipes is CIPP lining when the pipe is still structurally intact but corroded or cracked. 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