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You're an intern, it's naïve, you've stepped out of school, you should understand what you're going to learn.
Or if you want to write a thesis, then you can study it slowly.
Now the bathroom waterproofing is basically used, waterproof coating: polyurethane waterproof coating, waterproof membrane: polymer self-adhesive waterproof membrane, cross membrane waterproof membrane. Polypropylene cloth is not recommended because it has little crack resistance. It will be easy to leak now.
1. Inspect and accept the appearance, variety, specification, packaging, size and quantity of materials, and form corresponding acceptance records. >>>More
1. Inspect and accept the appearance, variety, specification, packaging, size and quantity of materials, and form corresponding acceptance records. >>>More
Please show a larger picture, only this one can't see clearly.
Then it is better to continue to use SBS coil. Is it black polyurethane paint?