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Building Construction 1

Waterproofing Materials

a) Metal sheets

Used in waterproofing of surfaces, including types of lead, copper,
aluminum, iron and stainless steel.
It works to protect surfaces and walls from sunlight, rain, and humidity.
Despite its advantages, they are rust resistant but can be painted with a rust-
resistant material.

b) Polyurethane

Is used as a water insulation to protect the upper surfaces and is one of the best
types of waterproofing and achieve a percentage of insulation up to 100%.

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Dr. Sherein El-Shahat