Problems encountered in the use of polymer self-adhesive waterproof roll
Time:
2021-07-21
The polymer self-adhesive waterproof roll is made of polymer HDPE homogeneous waterproof sheet as the main material, coated with a certain thickness of non asphalt hot melt adhesive on the outer surface, and isolated with polymer specific insulating sand or PE silicone oil film. Polymer self-adhesive waterproof membrane.
The polymer self-adhesive waterproof roll is made of polymer HDPE homogeneous waterproof sheet as the main material, coated with a certain thickness of non asphalt hot melt adhesive on the outer surface, and isolated with polymer specific insulating sand or PE silicone oil film. Polymer self-adhesive waterproof membrane.
The feature of polymer self-adhesive waterproof coiled material is that it is completely bonded with the bottom layer, and even if it is partially damaged, it will not leak water, so it is very important to ensure the quality of complete bonding. Because the coil is self-adhesive, it is easy to have "advanced" adhesion during operation, that is, when the coil of insulating paper is opened, it has already adhered to the base surface, and uneven spreading, bubbling and other phenomena often occur. Therefore, pay attention to the following points in use:
1. When pasting coiled materials, pay attention to the alignment with the reference line at all times to prevent the deviation that is difficult to correct. Do not stretch the coil with force when pasting the coil. After pasting, roll the roll from the middle of the coil to both sides to exhaust air immediately, so that the coil is firmly stuck on the bottom layer. The insulating paper of the overlapping part of the coiled material shall not be removed too early to avoid polluting the adhesive layer or failing to stick firmly. Peel the coiled material on the back before pasting it.
2. The bottom layer must be cleaned. If there is an unsound base surface, it will cause the coil material to pull on the bottom surface. Therefore, the bottom layer must be firm and clean.
During construction, wet paving, empty paving, mechanical stabilization, hanging paving and other construction methods can be selected according to the project site conditions. More dexterous construction and better waterproof effect. It can be constructed by wet method without leveling. It has low requirements for the lower layer and is not affected by the climate and humidity of the lower layer. Dry season construction and construction projects have their unique and significant advantages. Reinforced concrete can be poured directly without covering on the coiled material.
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