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V-CLIP © Technology
with durability expectations highly superior than traditionnal techniques |
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Concise description of the V-Clip ® process of laying stapled stones The V-Clip process is designed to maintain tiles of thin stones' with open joints as cladding of frontage. The support can be a masonry wall or a metallic or wooden structure. Proven for high earthquake resistance. Description from the out-side to the support - Elements of cladding made of thin stones with a bending strength of over or equal to 120 Mpa (or kg/cm2) - V-Clips made of stainless steel spring of 1,8 mm of diameter. The central part gets into the stone slot and 2 back hooks get on a horizontal rail made for that. - Horizontal rail made of aluminium alloy AGS T5 ; it is about 3 m long. The rail gets the V-Clips hooks of the stones located above and below. The high inertia of the rail allows to hold from 0,80 m to 1,40 m according to the load needed to the height of the rows of stones. - A wedge made of polypropylene between the rail and the support at every fixation. This wedge is designed for fixing on vertical profiles made of galvanised steel without having an electrolic torque, through stainless screws. From then the cases are different : it depends whether an insulation planned, or whether the tolerance of the inherent flatness of the concrete wall is inferior to + or - 1 cm, etc... In that case, it is possible to fix the rail directly to the concrete wall. You will only need a fork adjusting wedge behind the polypropylene one. But we recommend, for a quick laying, a primary vertical metallic frame (aluminium or galvanised steel of at least 2 mm thick). As the distance between the elements of the vertical frame can be important, the number of fixations on the wall will be less important, and the adjusting of verticality will be faster. The primary vertical frame is obviously the way to go when you need an exterior thermal insulation, the best way for the quality of the building. A metallic or wooden framework could easily replace the concrete wall. The V-Clip are a flexible fixation between the horizontal aluminium profiles and the tiles, avoiding any breaking because of hard point. This typical feature allows a resistance to an earthquake up to a certain point. The number of V-Clips depends on the load it has to support : 1 clamp can support up to 8 daN in vertical and 8 daN in horizontal effort. The investigation made by GEMM from climatic and geometric data gives you the number of V-Clip needed per tile according to its dimension and its location on the frontage. The resistance to a frontal shock of a 2 cm tile is superior to a 3 cm stone sheared by the traditional mechanical claws. In the V-Clip process, the tiles work like a slab between two continuous supports. Moreover, it is possible line up the visible side of the tiles even when the thickness of the tiles is different, the extra thickness being located beyond the support. The laying of the tiles starts from the bottom to the top, row by row. A temporary support is used to maintain the tiles on the lower rail, on a length of 3 m for example, to position then the upper rail on the tiles, to engage it then on the V-Clips (which have been previously set on the upper side of the tiles), to fix then on the support (wall or frame). Laying is very quick, approximately 2 m2 per hour an per workman, after the laying of the primary framework. The characteristic of the method, which justifies the patents, is that it is possible to move the V-Clips with a special grip which compresses them laterally. With simple relaxation, the elasticity of the V-Clip grips again the tile and the rail vigorously, avoiding any side translation of the tiles. With this specialized tool you can put on and take down any tile in the middle of the frontage without moving the tiles next to them. This is useful to maintain the scaffolding during the laying of the frontage ; the tiles which have not been laid yet are fixed when the scaffolding is taken down. 
Animated 3D demo (Windows Media Player format - 8.96 Mo) Animated 3D demo (DivX for Windows Media Player format - 1.69 Mo) Same as above but requires the DivX codec V-Clip cladding in video (QuickTime format - 6.53 Mo) |
