Common sense

    Fireproof window is a window that is made of steel window frame, steel window fan and fireproof glass, which can isolate and prevent the spread of fire.

    Fireproof window fire resistance limit is: class a window is not less than 1.2 hours, class b window is not less than 0.9 hours, class c window is not less than 0.6 hours.

    Technical requirements:

    1. Materials and accessories.

    (1) window frame frame adopts steel frame or wood frame with certain strength to ensure the integrity and stability of the component.

    (2) steel frame and pressure bar can be made of galvanized steel plate or stainless steel plate. The selection criteria are in accordance with the provisions of article 5.1 of GB12955 general technical conditions for steel fire doors.

    (3) the standard of material selection of wood frame and pressure bar shall conform to the provisions of article 5.1.1 of GB14101 "general technical conditions for wood fire protection doors".

    (4) incombustible materials shall be used for filling materials inside steel and wood frames.

    (5) fireproof glass can be used for products that do not affect fire resistance test. The glass opacity is not less than 75% of the common plate glass.

    (6) the sealing materials between the frame and the fire-proof glass shall be made of refractory materials, which can act as a fire protection smoke in case of fire.

    (7) the hardware accessories shall be qualified for the test.

    Ii. Installation requirements:

    1. When receiving the goods, party a shall carefully check the quantity, specification, grade and all kinds of accessories in accordance with the supply contract.

    2. Storage and storage of fireproof Windows should be stored vertically in a dry room and should be protected against corrosion. Glass should be shelved and dependent on objects that do not damage glass edges and glass surfaces.

    3, installation,

    (1) inspection must be carried out before the fireproof window is installed. If the window frame, window fan warp, deformation and glass are damaged due to transportation and storage, the installation can be carried out after repair.

    (2) when the fireproof window is installed, the vertical degree of the front and back should be corrected with the levelling or the hanging line method, and the horizontal, vertical, and high levels shall be achieved.

    (3) the window frame must be integrated with the building, using wood or iron parts to connect with the wall. Cement mortar must be poured between the window frame and the wall after the steel window frame is installed, and it can be used for more than 24 hours.

    (4) the location of hardware fitting holes should be accurate, so that the hardware fittings can be installed in a smooth and secure way to meet the requirements of use.

    (5) when the fireproof glass is installed, the four sides shall be evenly split, and then the four edges shall be filled with fireproof cotton, and then sealed and sealed.

    (6) in addition to the above requirements, the installation shall be carried out in accordance with the requirements of the project construction and acceptance specification.