ALT C43 framing system without thermal break.
ALUTTECH ALT C43 window and door framing system without thermal break has a basic profile width of 43 mm for the frame and 51 mm for a sash.
Bearing profiles of the system are divided onto three sizes depending on the width of their chambers 26, 36 and 50 mm. This allows to save the material during structures of different shapes and sizes design - from small windows to large facades. Profiles of different width can also be used for light and heavy infill units.
All system profiles (frame, transom bar, basement profile, leaf, compensating profiles) have the same coupling sizes for leveling and connecting corners.
The system provides ventilation and moisture removal. Moisture removal and ventilation openings are closed with plastic end stop plugs.
Corner junction assembling is made with the help of press fitting of jetnut elements, that are inserted into profile chambers. It is also possible to fasten corner inserts with the help of pins. All the jetnut elements are fixed with the help of one-or two-component adhesives. The use of glue ensures stiffness and tightness of connections. Transom bar connection can be realized both with the help of screws and jetnut elements, that are pined or fixed with the help of self-tapping screws.
ALUTECH ALT C43 system has a distinctive feature in comparison with similar systems. It is not necessary to shape the profiles of bottom door abutment. All the additional profiles have an angle cut of 90°.
ALUTECH ALT C43 system is designed so that bottom parts of the dumb and swing leafs look exactly the same. It is very important for visual perception and construction proportions maintenance.
Plastic fastening elements allow you to easily replace door threshold.
Different infill units can be used in ALUTECH ALT C43 system, such as glass, insulated glass units or sandwich panels with thickness from 4 to 24 mm. Infill units are installed on special bearing plates in accordance with installation scheme. The same bearing plate is installed into dumb parts of the structure, leafs and sashes. Infill units are fixed with the help of ALUTECH ALT VC65 glazing beads. The choice of glazing beads depends on the thickness of infill unit. Methods of glazing beads choosing, their features and gaskets are given in the catalogue.