Weberdry WPC Waterproofing Coating — Advanced Polymer-Modified Protection | Pelapis Kalis Air Simen Berkualiti

Weberdry WPC Waterproofing Coating — Advanced Polymer-Modified Protection | Pelapis Kalis Air Simen Berkualiti

kalis-air-tangki-air

weberdry WPC is a two-component, polymer-modified cementitious waterproofing system designed for superior adhesion and crack-bridging. Ideal for wet areas and water tanks, it ensures long-term structural integrity against high humidity and water pressure.

PRODUCT DESCRIPTION+

  • weberdry WPC is a polymer-modified cementitious (kalis air simen) coating engineered for internal and external waterproofing applications in Malaysia’s tropical high-moisture environments.
  • The Project Challenge: Water ingress and capillary dampness remain the leading causes of structural degradation in Malaysian construction. Project managers and main contractors often face the “hidden cost” of waterproofing failure—efflorescence, mold growth, and concrete carbonation—which lead to expensive remedial works and tenant dissatisfaction. In areas with high hydrostatic pressure, standard coatings often fail to maintain a sufficient bond.
  • The Technical Solution: weberdry WPC addresses these engineering pain points through a sophisticated Polymer-Modified (Polimer Tambahan) matrix. Unlike rigid mortars, this coating provides an effective barrier that accommodates thermal expansion and minor structural movements. Its non-toxic formulation makes it the preferred choice for potable water containment, while its superior adhesion profile ensures it grips tightly to concrete, masonry, and render surfaces, effectively sealing pores against water penetration.
  • Logistics & Supply: We maintain high-volume stock consistency to meet demanding project timelines. Our specialized logistics network ensures efficient Site Delivery to Key Hubs including KL, Selangor, Penang, Johor, and the East Coast, supporting large-scale infrastructure and residential developments nationwide.

 

KEY TECHNICAL FEATURES

  • Dual-Component Synergy: Combines high-grade cement with specialized liquid polymers for enhanced flexibility and “Tahan Lasak” (heavy-duty) durability.
  • Potable Water Compatible: Certified for use in water tanks, ensuring zero chemical leaching into water supplies.
  • Superior Adhesion: Bonds aggressively to damp substrates, reducing downtime during the monsoon season.
  • Hydrostatic Pressure Resistance: Engineered to withstand both positive and negative water pressure in basement and tanking applications.

APPLICATIONS & BENEFITS

  • Residential (Wet Areas): Applied in toilets, bathrooms, and kitchens before tiling. Benefit: Prevents seepage to lower floors, eliminating “inter-floor leakage” disputes.
  • Infrastructure (Water Tanks): Used in RC water tanks and reservoirs. Benefit: Industry Standard Compliant protection that ensures clean water containment and zero leakage.
  • Coastal Areas (High Humidity): Ideal for external balconies and planters in the East Coast or Penang. Benefit: High Corrosion Resistance (Tahan Karat) against salt-laden moisture and tropical rain.
  • Commercial (Basements): Applied as a secondary barrier in retaining walls and pits. Benefit: Protects structural steel reinforcement from moisture-induced oxidation.

TECHNICAL SPECIFICATIONS TABLE

Specification Detail
Compliance Industry Standard Compliant
Material/Composition Two-component Polymer-Modified Cementitious
Mixing Ratio Pre-batched Liquid & Powder Components
Dimensions/Size Standard Industry Packaging (Powder + Liquid Set)
Finish/Coating Seamless Grey Membrane (Tahan Karat/Rust Resistant)
Curing Time Rapid Set for Multi-layer Application

 

Specification Category Technical Details
Color Grey
Density sim 2200kg/m^3
pH of Mix Approx. >10
Shelf Life 6 months
Safety Features Non-inflammable & No toxicity hazard
Water Demand

Pourable: 4.00 liters (16.0%)

Flowable: 4.50 liters (18.0%)

Yield

Pourable: 12.7 liters per 25 kg bag

Flowable: 13.4 liters per 25 kg bag

Pot Life (Working Time) Approx. 60 minutes
Application Temperature Between 5^circ\C40^circ\C} at normal ambient temperature
Temperature Resistance $100^\circ\text{C}$
Resistance Levels

Water: Good

UV: Good

Alkalis: Fair

Oil & Solvents: Fair

Acids: Poor

 

Curing Period Strength
1 Day > 25 \N/mm^2
7 Days > 55 \N/mm^2
28 Days > 70 \N/mm^2

 

pelapis-kalis-air-simen

FAQ SECTION

Question 1: What is the best waterproofing solution for RC water tanks in Malaysia?

Answer 1: For RC water tanks, weberdry WPC is the recommended solution. Its polymer-modified cementitious formula is specifically designed for water containment, offering non-toxic, Industry Standard Compliant protection that withstands constant hydrostatic pressure.

Question 2: How do you prevent inter-floor leakage in high-rise apartments in Selangor?

Answer 2: Inter-floor leakage is best prevented by applying a high-performance membrane like weberdry WPC on the wet-area subfloor. This creates a seamless, flexible barrier that seals concrete pores and prevents water from migrating through the slab to units below.

Question 3: Can weberdry WPC be applied to damp concrete surfaces during the monsoon season?

Answer 3: Yes, weberdry WPC is engineered for superior adhesion to damp (but not saturated) concrete. This makes it an ideal choice for contractors in Malaysia who need to maintain project schedules during high-humidity or rainy periods.

Question 4: Is weberdry WPC suitable for coastal project sites in Terengganu or Kuantan?

Answer 4: Absolutely. weberdry WPC provides excellent resistance against high humidity and salt-air moisture. Its cementitious base ensures it remains stable in coastal climates, protecting the underlying structure from moisture-induced degradation.

Soalan 1: Apakah penyelesaian kalis air terbaik untuk tangki air konkrit (RC) di Malaysia?

Jawapan 1: Untuk tangki air RC, weberdry WPC adalah penyelesaian yang disyorkan. Formula simen polimer tambahan (polymer-modified cementitious) ini direka khusus untuk takungan air, menawarkan perlindungan yang tidak toksik dan Mematuhi Piawaian Industri bagi menahan tekanan hidrostatik yang berterusan.

Soalan 2: Bagaimanakah cara mencegah kebocoran antara tingkat di pangsapuri tinggi di Selangor?

Jawapan 2: Kebocoran antara tingkat paling berkesan dicegah dengan menyapu membran berprestasi tinggi seperti weberdry WPC pada sub-lantai kawasan basah. Ini menghasilkan penghalang fleksibel tanpa sambungan yang menutup liang konkrit dan menghalang air daripada meresap melalui papak (slab) ke unit di bawah.

Soalan 3: Bolehkah weberdry WPC digunakan pada permukaan konkrit lembap semasa musim tengkujuh?

Jawapan 3: Ya, weberdry WPC dirumus untuk lekatan unggul pada konkrit yang lembap (tetapi tidak tepu air). Ini menjadikannya pilihan ideal untuk kontraktor di Malaysia yang perlu mengekalkan jadual projek semasa musim hujan atau tempoh kelembapan tinggi.

Soalan 4: Adakah weberdry WPC sesuai untuk tapak projek pesisir pantai di Terengganu atau Kuantan?

Jawapan 4: Semestinya. weberdry WPC memberikan rintangan cemerlang terhadap kelembapan tinggi dan udara masin. Asas simennya memastikan ia kekal stabil dalam iklim pesisir pantai, melindungi struktur bawah daripada kerosakan akibat kelembapan.

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