Xi'an decoration classroom wall, ground waterproof treatment 1, grassroots treatment check point: the ground is clean in place; The surface of the base course shall be flat and free of pitting, hollowing, delamination and cracking; 1:1 cement mortar shall be used as an additional waterproof layer at the root of pipes, wall corners, floor drains and internal and external corners of the wall; The internal and external corners of the wall and ground shall be made into an arc shape; 2. Inspection points of film waterproof and closed water test: the waterproof layer shall extend from the ground to the wall, 0.3m higher than the ground; Such as
Xi'an decoration classroom wall, ground waterproof treatment
1, grass-roots treatment
check points: the ground is clean in place
the surface of the base course shall be flat and free of pitting, hollowing, delamination and cracking
1:1 cement mortar shall be used as an additional waterproof layer for pipes, corner roots, floor drains and internal and external corners of the wall
the internal and external corners of the wall and ground should be made into a circular arc
2. Film waterproof, closed water test
check point: the waterproof layer should extend from the ground to the wall, 0.3m higher than the ground; If a bathtub is installed, the waterproof layer is 20cm higher than the edge of the bathtub
the coating shall be applied evenly and uniformly without omission
the coating shall be applied in several times, and the coating can be continued after the last layer is dry
do a good job of film protection during the film interval
the closed water test time is 24 hours (water depth of 2 cm), which shall not be advanced
the inspection shall focus on the root of the pipe, internal and external corners, and the waterproof damage position of water and electricity transformation
if water leakage is found, a plan should be put forward and dealt with in time