4B

Building materials of metal, namely, metal window frames and window casements made of metal; metal materials, namely, steel; aluminum building materials, namely, window casements and frames; constructions of metal, of aluminum, and of bronze, namely, metal building flashing, exterior metal shutters for building; metal facades in the nature of metal frames, posts and beams for windows of aluminum and a combination of aluminum and wood; metal doors and windows; windows and doors made primarily of aluminum and also containing wood; strap-hinges of metal; fittings of metal for windows; window frames of metal; metal window pulleys; insect screens of metal

Packing, stopping and insulating materials, namely, packing and insulating materials, insulating refractory materials, insulating tapes, insulating tiles, insulating membranes and insulating fabrics; caulking materials for metal; semi-finished plastic materials as semi-finished products in form of pellets, rods, foils, foams, fibers, films and sheets; fiberglass fabrics for building insulation; semi-worked synthetic plastic and synthetic resins as semi-finished products in form of plastic fibers, not for textile use; anti-dazzle films for windows being tinted films

Building materials, not of metal, namely, semi-worked woods; construction materials of plastics, namely, composite lumber made using recycled plastic, plastic tiles, plastic window casements; windows and doors, not of metal; window frames, not of metal; windows and doors made primarily of wood and also containing aluminum; plastic windows; insect screens not of metal; building glass; window glass, except glass for vehicle windows; plate glass windows, for building; window glass, for building; facades made of plastic materials, namely, plastic frames, posts and beams for windows

Construction of buildings; repair and maintenance of windows and doors; installation services of facade systems; installation of doors and windows

Scientific and technological services and research relating thereto, namely, scientific research in the construction industry field; industrial analysis and research services in the field of windows, doors and facade systems; construction and architectural consultation and advice in the nature of architectural consultation on renovation, rehabilitation, and restoration of constructions