DRY-TYPE RETROFITTED OUTSIDE-INSULATION EXTERNAL WALL HAVING VENTILATION PERFORMANCE

摘要

PROBLEM TO BE SOLVED: To implement modification of an external wall of an existing reinforced concrete inside-insulation building into an outside-insulation external wall, by using a new ventilating heat insulation composite panel of a dry and adhesive type, with good workability compared with a conventional modification method.;SOLUTION: The ventilating heat insulation composite panel 1 is produced by arranging a group of ventilating grooves G and a group of thick wall portions 1C on a layer adhesive surface 1S of a plate-like heat insulation layer 1B made of a foamed plastic heat insulation material, alternately and in parallel with each other, and superposing an external finish substrate 1A made of a molded thin stiff plate on the layer adhesive surface 1S of the heat insulation layer 1B in one body. Then a fixing countersunk bolt 4A is rigidly screwed to a post-driven anchor 4C driven to the concrete external wall W of the existing reinforced concrete building, from the side of the external finish substrate 1A, through a bolt insertion hole hb, and the composite panel 1 at a lowermost edge is borne by a panel bearing fixture 7A fixed to a post bolt anchor 7B driven to a concrete skeleton CF. Further a draft elevating air current a flows in the grooves G formed in all the composite panels 1 beginning from a lower throating fitting 8 to a coping fitting 6, and therefore all the surfaces of the external wall is covered and externally insulated in a ventilating manner.;COPYRIGHT: (C)2008,JPO&INPIT