Solution for Podium Slab Waterproofing

<strong>BS Nagaraj, Sr. Regional Sales Manager-East, Fosroc Chemicals (India) Pvt. Limited

BS Nagaraj, Sr. Regional Sales Manager-East, Fosroc Chemicals (India) Pvt. Limited

Podium Slab Waterproofing– Risks involved:

An effective and durable waterproofing system is critical for ensuring the long-term durability of the structure and to keep maintenance costs to a necessary minimum. In sensitive building areas like podium slabs where you plan for water bodies, landscaping, children play area, sports facilities, car parking, driveways etc, proper waterproofing system helps to keep out water and pollutants, thereby, preventing leakages and also protecting the structural elements and embedded steel reinforcement from damage due to corrosion. A good waterproofing system has to ensure that it keeps performing at optimum level for a very long period of time, even beyond the warranty period, to provide maximum value and comfort to the end-user.

Requirements:

Large open areas: for tensile & elongation properties to accommo- date thermal movements
Water bodies: as barriers to water ingress and continuous exposure to water
Sand filling: to enable sand filling directly on the membrane without protection screed
Chemical resistance to pesticides
Medium duty traffic: resistance to dynamic & impact load
Very high impact & puncture resistance: able to sustain mechanical abuse during construction
Zero VOC: environment-friendly, meets norms for green products for waterproofing

Solution:

Fosroc Polyurea WH200 system is a spray-applied, 100% solids, flexible, two-component, rapid curing Polyurea system for waterproofing and protective coating. It combines the advantages of seamless and fully bonded system with high durability.

Fosroc Polyurea WH200 system:
Features	Benefits
Fast curing (fully cured within hours)	Immediate return to service, waterproofing runs parallel with construction activity
Very high physical properties	Durability & longer life of the system
Chemical & Abrasion resistance	Ideal system for land scaping on podium/roof slab (protection screed is not mandatory)
High elongation & tensile strength	System can be taken across expansion joints seamlessly
Fully bonded to substrate	Prevent water tracking between the membrane & the substrate
Spray application	Enable faster application of larger area in less time
Zero VOC	Environmental friendly, Complies with LEED Norms for LEED certification
High thermal stability	withstand service temperature from -20ºC to 80ºC

Properties & Advantages
Fosroc Polyurea WH200	Properties	Advantages
Membrane thickness,	1. 5mm
Tensile strength (Peak) ASTM D412	13 N/mm2	Accommodate movements, able to continue over expansion joints
Elongation (Peak) ASTM D412	450%	Excellent crack bridging capability
Tear resistance ASTM D624C	50N/mm	Very good Resistant to wear and tare
High Abrasión Resistant ( 1 kg CS 10 wheel) ASTM D4060	< 1.3 mg/1000	Withstand abuse of construction process
Spray Application	Facilitate Rapid Application	Provides seamless coating-Ensures Water tightness
Fast curing	Cure within seconds	Save overall project time for installation of waterproofing system
Zero VOC	Green Product	Environmental Friendly
Adhesion to substrate	Very High	Prevent lateral migration of water

For the past 70 years, Fosroc, a world leader in the construction chemical industry, has been recognised as an effective solution provider in all areas of construction. Fosroc quality products can be found in nearly every major project around the globe. Every day, as the demand increases for enhanced structural integrity, making maintenance obsolete, is the future mantra of the construction industry.

Fosroc products are being specified more often because they offer more long-term value. The reason goes beyond innovation and superior product performance as Fosroc customers credit the association of our sales engineers as the single most important service the company offers, providing support through all the phases of a project. Additionally, Fosroc offers highly skilled technical service personnel to assist customers in the use of its products. Fosroc’s ongoing R&D has resulted in many product improvements, innovative product developments and systems with proven performance, backed by state-of-the-art technology. As a result of the company’s dedicated efforts in the construction industry, the world’s most important structures stand protected from the ravages of water, fire, erosion, corrosion, and time.

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