How to get the plastic corners of the integrated ceiling right

Stand on the ground with a ruler, put 5mm to 8mm cut into a 45-degree angle, take the top, if it is long and then cut a point, it is more convenient, if there are two people, one person takes the ruler, one person takes the ruler on the top of the direct measurement, it is more accurate and more trouble-free.

All-purpose glue can't get into water, glass glue is stronger!

First bounce the height horizontal line of the ceiling around the wall, then press the bottom of the yin corner of the ceiling to the horizontal line, drill holes in the wall on the façade of the yin corner (and the wall is close to the surface) (select the corresponding drill bit according to the size of the plastic expansion tube to be selected), wear the expansion tube, put the yin corner (as mentioned earlier), and fix it on the expansion tube with self-tapping.

It's best to glue it with glass and then fix it with tape, which is what my workers do... This double insurance.

The bottom surface of the triangular keel is about 5 mm from the bottom edge of the corner line, the height of the triangular keel is about 2 cm, and the main keel is 38 or 50 mm above, and the distance from the bottom edge of the corner line to the top surface is minus 5 to 8 cm is the required length of the screw rod.