TECHNONICOL WATERPROOFING MASTIC №21

TECHNONICOL №21 application areas:

• Entire roof waterproofing including details and parapets
• Waterproofing of engineering structures (basements, footings, piles and other building elements buried under ground likely to be in contact with damp environment)
• Weatherproofing and anti-corrosion treatment of metal surfaces including pipelines and car bodies.

Method of application:

TECHNONICOL №21 mastic should be applied to prepared surface clear of any debris and surplus materials, mastic can be applied by using stiff paint brush, filling knife or by pouring and leveling. Single layer thickness should not exceed 1.5 mm, each subsequent layer must be applied after previous layer is completely dry. It is highly recommended to apply minimum of 2 layers, to achieve durable waterproofing.

Adhesion:

With concrete - 0,6 МPа

With metal - 0,9 МPа

Flexibility:

-35 °С

Heat resistance:

+110 °С

Elongation:

500%

Consumption:

For roof waterproofing 3,8-5,7 kg/m²

Preparation:

Before applying waterproofing is necessary to prepare the surface, apply primer and wait for it to dry.

Reinforcement:

Between the layers of the waterproofing is necessary to make fiberglass reinforcement, with glass, fiberglass or geotextile.

Protection:

The final waterproofing must be protected against UV with help of protective compound TECHNONICOL №57