First, the door correction Door hole measurement method 1, the height of the door hole: vertical measurement of the distance from the top of the door to the finished surface of the floor (if not paved the floor, you must set aside the thickness of the floor pavement material size), select the left and right ends of the two points to measure; take the smallest of them The value minus the installation adjustment margin of 10mm is the extension of the door pocket; if there are multiple doors in the same line of sight, it must reach a uniform level, then the height of the door hole and the lowest one of them shall prevail. 2, the width of the door hole: horizontal measurement of the distance around the door, select more than three points to measure, take the minimum value of the installation adjustment margin of 20mm for the door cover extension size. 3. Door wall thickness: Measure the wall thickness horizontally, and measure more than three points on the left and right sides; take the maximum and minimum value of 2 to be the door pocket extension size; if the maximum value and the minimum value are more than 20mm apart, The wall deviation should be corrected to reach the specified value. If the wall needs decoration, the wall thickness of the door hole should be added with the decorative material to complete the thickness of the surface. Second, the door repair First filled with styrofoam, then the bricklayer master filled with cement, then sealant, and finally scraped with putty. Decoration construction knowledge nature floor cement decoration
Ductile gratings are made of ductile; we
make the gratings on BS EN124, Mainly our products are A15, B125, C250 and
D400, They are used in Green belt, Pavement, Auxiliary road, Main road and Express
way. We make ductile gratings all by producing line, the quality is very good,
and we warmly welcome customers all over the world to do business with us.
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