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Frequently Asked Questions
The best time to install waterproofing bitumen membrane is summer and early fall. But according to the climatic conditions of each region is different. In tropical regions in winter, isogum can be installed.
Having a standard mark is the best way to identify a quality and will ease your mind about the quality of the isogum. There are non-standard isogams on the market.
Quality waterproofing bitumen membrane lasts up to 15 years on average.
A skilled installer is the most important factor in the life of an isogum. An installer with 20 years of experience has a very different result than an installer with two years of experience.
Proper underlayment or bitumen wax is another effective factor in the life of the isogum, which guarantees the quality and longevity of your isogum for several years.
If you use it for roofing and toilets or bathrooms, double-layer isogum is better.
No, it has to be done for everyone.
Yes. Ten years company warranty and 5 years Iran insurance are among the company’s services.
The first point is that at least 110 or 125 pipes should be used for stud output. After guttering, the gutter outlet is double glued to a radius of two meters to withstand negative cold conditions of minus 20 degrees Celsius and long frosts and snow above 40 cm.
The side wall of the roof must be smooth if the brick is uneven, cemented before execution, and the edge of the wall is insulated to at least 50 cm to be sure that the wall is insulated in case of heavy rainfall. The same is done at the exit of the beams and pipes of the installation.
Yes, Sure! Installation of isogum on the cooler duct, while creating suitable heat and cold insulation, is insulated to at least 50 cm to ensure that moisture does not penetrate. The bottom of the cooler should also be double-insulated. Because water cooler has salt, which spoils the isogum, which, if it bends, will spoil later.
Of course, no matter how good the cement is under, bitumen is essential.
Visiting the site by Sanal Azar staff is free and you will be notified wherever it needs to be replaced or repaired.

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