2. Measure the dimensions, first butt joint at the installation site, and cut slightly longer1-2 mm. ..
3. Use a glue gun to make an S-shaped glue channel on the back of the top corner line, and be careful not to exceed half of the cross section at the glue joint on the back.
4. Gently rub the lines on the wall, so that the glue can fully stick to the installation surface, and fix them with nails at regular intervals (generally about 60 cm).
5. Wipe off the glue overflowing from the surface of the line with a clean rag.