Renovation of old houses in Chengdu, technical characteristics of architectural decoration in Beijing Zhonghongyu

1, water supply and drainage practices: pay-off, wire cutting with electric tools, notch removal, pipeline laying, special pvc glue, top surface arrangement of water inlet pipe, thermal insulation treatment of hot water pipe, variation treatment, and installation of indoor main valve.

Material: custom-made Jinde nano water pipe, Jinde sewer pipe and accessories. Quality standard: special instrument, under the pressure of 0.8mpa for 30 minutes, without depressurization. Quality standard: visual inspection, pressure test. The final visual effect: horizontal and vertical, reasonable slope, eliminating hidden dangers. 2. Strong and weak current mode: pay-off, electric tool wire cutting, slotting, pipe laying, pipe color separation, tin foil shielding material: fully customized. Special pvc glue, special terminal, pvc flame retardant conduit, tin foil, and specially customized environmental protection Byn line quality standard: it is safe and stable after being tested by special instruments. The final visual effect: horizontal and vertical, clear tube color, reasonable line diameter and clear layout. 3. Floor tile paving method: base treatment, cement mortar leveling layer, adhesive paving, polystyrene board on the wall and special jointing agent.

Materials: cement, medium sand, environmental protection interface adhesive, tile adhesive, polystyrene board, jointing agent.

Quality standard: for overall leveling, the error of 2m guiding rule is within 2mm. The final visual effect: flat surface, sharp edges and corners, straight seams and uniform reflectivity.