RA 212 Waterproofing

CG have expertise skill worker for many types of waterproofing membranes systems services, Including felt paper or tar paper with asphalt or tar to make a built-up roof, other bituminous waterproofing, ethylene propylene diene monomer EPDM rubber, hypalon, polyvinyl chloride, liquid roofing, and more.

Application of Cementitious Waterproofing : Cementitious waterproofing is used in the following type of structures:

• Water Treatment plants

• Sewage Treatment Plants

• Bridges

• Dams

• Railways & Subway Systems

• Marine Cargo Ports & Docks

• River Locks / Channels & Concrete Dykes

• Parking Structures & Lots

• Tunnels

Liquid Waterproofing Membrane Method:

Liquid membrane is a thin coating which consists of usually a primer coat and two coats oftop coats which are applied by spray, roller, or trowel. It offers more flexibility than the cementitious types of waterproofing. The liquid cures into a rubbery coating on the wall. The elongation properties of the coating can reach as high as 280%. The durability of the waterproofing coating depends on what type of polymer the manufacturer use for the making of the liquid waterproofing. Liquid waterproofing membrane can be of spray-applied liquid membrane composed of polymer-modified asphalt. Polyurethane liquid membranes in separate grades for trowel, roller, or spray are also available from various manufacturers.

Bituminous Membrane Waterproofing Method:

Bituminous membrane waterproofing is a popular method used for low-sloped roofs due to their proven performance. Bituminous waterproofing membrane have torch on membrane and self-adhesive membrane. Self-adhesive compounds comprise asphalt, polymers and filler; additionally, certain resins and oils may be added to improve adhesion characteristics. The self-adhesive type has low shelf life as bonding properties of the membrane reduces with time. Torch on membrane have exposed and covered types. Exposed membrane often has mineral granular aggregate to withstand the wear and tear of the weathering and the other types of membrane, contractor need to apply one protective screed to prevent the puncture of the membrane.

Polyurethane Liquid Membrane Waterproofing Method:

Polyurethane liquid membrane method of waterproofing is used for the flat roof area and exposed to weathering. This waterproofing method is expensive.Polyurethane Liquid Membrane can offer higher flexibility. Polyurethane is very sensitive to moisture content present, therefore before application, one has to be very careful evaluating the moisture content of the concrete slab, otherwise peeling or de-bonding of membranes may happen after some time. offers the broadest line of passive fire protection products and systems for fire rated and fire resistant construction. From architects looking for specifications or objects to installers requiring basic or advanced training, Our dedicated fire stop experts will meet with you to discuss your application needs, helping ensure that your project meets current building and life safety code requirements,

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Modern market of construction materials is represented by a lot of types of waterproofing that are designed to effectively protect the whole structures from the damaging effect of groundwater moisture or precipitation .