Answer / Lakhan Singh Meena

Box type waterproofing involves creating a series of boxes around the perimeter of the structure to be waterproofed. The boxes are typically formed using bricks, concrete blocks, or waterproof sheets. Inside each box, a suitable waterproofing membrane (such as bitumen, polyethylene, or other synthetic materials) is installed. Once the membranes are in place, they are covered with a layer of mortar or gravel to prevent displacement. The method of doing box type waterproofing involves the following steps:
1. Excavation and preparation of the trench.
2. Installation of the formwork (bricks, concrete blocks, etc.).
3. Placement and compaction of the drainage layer.
4. Installation of the waterproofing membrane.
5. Covering the membrane with a layer of mortar or gravel.

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