First, the base course shall be treated before the waterproof blanket is lapped. The base course shall be flat, dry, free of oil stain, sundries, etc., to ensure the tightness of the waterproof blanket and the base course. If the base course is uneven or greasy, it shall be timely treated, such as polishing, cleaning, etc., to ensure that the base course meets the overlapping requirements.
Secondly, the overlapping width of waterproof blanket shall meet the specification requirements. Generally speaking, the overlapping width of waterproof blanket shall not be less than 100mm, and the overlapping part shall be fully bonded without gaps. During lapping, attention shall be paid to avoid stretching and twisting the waterproof blanket, so as not to affect its waterproof effect.
In addition, the lapping mode of waterproof blanket is also an important content in the lapping specification. Common lapping methods include butt joint, miter joint and T-joint. When selecting the lapping method, it should be selected according to the actual situation to ensure that the lapping is firm and reliable.
In addition to the above points, the following requirements shall also be paid attention to when the waterproof blanket is lapped:
1. During the lapping of waterproof blanket, folding and wrinkling at the lapping part shall be avoided to avoid affecting the waterproof effect.
2. After the lapping of waterproof blanket is completed, the acceptance shall be carried out in time to ensure that the lapping quality meets the requirements. If problems are found, they shall be handled in time to ensure the quality and effect of waterproof works.
3. During the use of the waterproof blanket, care should be taken to avoid piercing by sharp objects and pressing by heavy objects, so as not to damage the waterproof blanket and affect its waterproof effect.
To sum up, the specification requirements of waterproof blanket lap is the key to ensure the quality and effect of waterproof works key Link. In actual operation, the operation shall be carried out in strict accordance with the specification requirements to ensure that the lapping quality of the waterproof blanket meets the requirements, so as to ensure the quality and effect of the waterproof project. At the same time, attention should also be paid to maintenance during the use of waterproof blanket to extend its service life.
