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Fire-resistant hour fire partition wall process flow:
◆Process flow:
. Fire partition wall wiring-rrr installation door opening frame- rrr device along the top keel and along the ground keel rrr vertical keel binning - rrr device vertical keel - rrr device transverse keel block - rrr device gypsum cover panel - rrr construction joint method - rrr surface layer construction
. Laying out lines: According to the construction drawings, lay out the partition wall orientation lines, door and window opening frame lines, and place the top keel orientation lines on the prepared floor or floor pillow belt.
3. Install the door opening frame: After laying out the wires, press the trace and first install the door opening frame of the partition wall.
. Install the top keel and ground keel: According to the orientation line of the partition wall that has been placed, install the top keel and ground keel according to the line, and fix it on the main body with nails. The nail distance is
.Vertical keel grading: According to the location of the door opening of the partition wall, after installing the top keel, according to the size or width of the cover panel, the grading standard size is, and the grading with insufficient modulus should be away from the first edge of the door opening frame. Position the cover panel so that the broken edge fireproof board is not near the hole frame.
. Install the keel: Install the vertical keel according to the graded position. The upper and lower ends of the vertical keel are inserted into the top keel and the ground keel. After adjusting the straightness and positioning accurately, use blind rivets to fix the keel against the wall and column. Use nailing to fix the keel. Or wood screws are fixed to the wall or column, and the nail spacing is
. Install transverse retaining keels: According to the design requirements, when the height of the partition wall is greater than 3, transverse retaining keels should be added and fixed with blind rivets or bolts.
.Installing fireproof boards:
: Check the installation quality of keels, whether the door opening frame meets the design and structural requirements, and whether the keel spacing meets the modulus of the gypsum board width.
Install the paper fireproof board on one side, starting from the door. For walls without door openings, start from one end of the wall. The fireproof board is usually fixed with self-tapping screws. The nail distance between the edges of the board is 3. , The distance between the screws and the edge of the fireproof board must not be less than, nor greater than, when the self-tapping screws are fastened, the fireproof board must be close to the keel.
Install electrical pipes, electrical boxes and electrical box equipment in the wall.
Install the fireproof, sound insulation and moisture-proof filling materials in the wall, and install and fill them together with the paper fireproof board on the other side.
Install the paper fireproof board on the other side of the wall: The installation method is the same as the fireproof board on the first side, and its joints should be staggered with the panel on the first side.
Installation of double-layer fireproof board: The fixing method of the second layer of board is the same as that of the first layer, but the joints of the third layer of boards should be staggered with the first layer and cannot fall on the same keel as the joints of the first layer.
Seaming methods: There are three methods for jointing fireproof boards, namely flat seams, concave seams and taped seams. It can be handled in the following order.
Scraping the caulking putty: Before scraping the caulking putty, remove the floating soil in the joints first, use a small scraper to embed the putty into the seams of the board, and fill it with the board surface.
Paste the tie tape: After the caulking putty has solidified, the tie material can be pasted. First, scrape a thin layer of gelatinous putty with a thin consistency on the joints, with a thickness of 0.0 and a width of the tie tape, and then paste the joint. To tie the tape, use a medium scraper to flatten and compact it from top to bottom to drive out the air bubbles between the glue putty and the tie tape.
Scrape the middle layer of putty: After the tie tape is pasted, immediately scrape a layer of middle layer putty on top that is approximately thicker than the tie tape, so that the tie tape is buried in this layer of putty.
Leveling putty: Use a large scraper to fill the wedge-shaped groove and the board with putty and level it.
Wall decoration and fireproof board walls can be made into various finishes according to design requirements.
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