Accueil Construction Enduit monocouche et granulats projetés : finition et imperméabilisation de façade en une étape
Enduit monocouche et granulats projetés : finition et imperméabilisation de façade en une étape
Réponse rapide : l'enduit monocouche est un revêtement continu qui décore et imperméabilise la façade en une seule couche, sans nécessiter d'enduit de fond préalable. La finition finale se définit avec les granulats projetés dessus : le gravillon qui lui donne texture et couleur. Bien choisir ce gravillon — taille, matériau et teinte — est aussi important que l'enduit de base, car c'est ce qui se voit vraiment.
L'enduit de base
L'Enduit Monocouche pour granulats projetés s'applique directement sur le support, sans enduit de fond préalable, ce qui fait gagner du temps sur le chantier. Il imperméabilise la façade tout en conservant sa perspirance, évitant que l'humidité reste piégée dans le mur.
Le granulat : la finition visible
Les Granulats projetés pour enduit monocouche sont des gravillons de pierres naturelles (marbre, ophite et autres minéraux sélectionnés) préparés spécifiquement pour être projetés sur l'enduit frais, offrant une finition continue, homogène et d'aspect naturel.
Comment fonctionne le système
L'enduit monocouche s'applique directement sur le support de la façade.
Pendant que l'enduit est encore frais, le granulat décoratif est projeté dessus.
Le granulat reste noyé dans l'enduit, formant une finition unique qui combine imperméabilisation et décoration en une seule étape.
Avantages par rapport au système traditionnel
Moins d'étapes de chantier : pas besoin d'enduit de fond préalable ni d'une couche de peinture décorative séparée.
Imperméabilisation réelle : l'enduit scelle la façade contre la pluie tout en restant perspirant.
Finition naturelle et durable : le granulat de pierre naturelle ne se décolore pas et ne perd pas sa couleur sous le rayonnement solaire, contrairement à une peinture classique.
Questions fréquentes
Peut-on appliquer l'enduit monocouche directement sur brique ou bloc béton ?
Oui, il est conçu précisément pour être appliqué directement sur le support sans enduit de fond préalable, à condition que la surface soit propre, sans poussière et en bon état.
Quel granulat choisir pour ma façade ?
Cela dépend de l'effet recherché : il existe des gravillons de différentes tailles, couleurs et types de pierre (marbre, ophite...). Plus le granulat est gros, plus la finition finale aura de texture et de relief.
Ce système remplace-t-il une ITE d'isolation thermique ?
Non, l'enduit monocouche décore et imperméabilise la façade, mais n'apporte pas d'isolation thermique supplémentaire. Pour améliorer l'isolation, prévoyez un système ITE avec panneau isolant, puis ce type de finition par-dessus.
Voir aussi : accessoires pour systèmes ITE .
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