Expert Joint Sealing & Weatherproofing Solutions from Water Proof Specialist (PVT) LTD
Construction sealants are the unsung heroes of building protection. Properly applied sealants prevent water infiltration, accommodate building movement, improve energy efficiency, and extend the service life of your property. At Water Proof Specialist (PVT) LTD, we combine technical expertise with premium products to deliver sealant solutions that perform for decades.
From expansion joints to facade sealing, our professional team uses only premium international-grade sealants from trusted manufacturers like Dow, Sika, Tremco, BASF, 3M, and Bostik – ensuring performance proven in tropical climates like Sri Lanka's.
We use only premium international-grade sealants, selected based on application requirements
Our Primary Recommended Sealant
Best Applications
Facades, glazing, wet areas
Key Properties
UV resistant, ±50% movement
| Sealant Type | Best Applications | Key Properties |
|---|---|---|
| Polyurethane | Concrete, floors, traffic areas | Abrasion resistant, paintable |
| Polysulfide | Water immersion, fuel resistance | Water/chemical resistant |
For wet areas and high-humidity environments
For HVAC, industrial, and high-heat applications
Expands when exposed to fire for fire barrier protection
For food processing and commercial kitchen areas
For LEED and green building certification projects
For industrial and laboratory environments
Can be applied and cures underwater
For horizontal joints in floors and pavements
Width-to-Depth Ratio
Optimal 2:1 to 1:1 ratio for proper stress distribution
Joint Width Sizing
Must accommodate expected movement without exceeding sealant capability
Three-Sided Adhesion Prevention
Backer rod prevents adhesion to back of joint for proper movement
Joint Alignment
Proper configuration for expected movement direction
Prevents rain penetration, stops moisture damage, protects materials from corrosion and deterioration.
Reduces air infiltration, decreases HVAC costs, maintains indoor comfort, supports green building goals.
Prevents uncontrolled cracking, allows safe building movement, reduces structural stress.
Extends service life, protects building materials, reduces maintenance requirements.
Reduces noise transmission through joints, improves occupant comfort, meets code requirements.
Maintains fire ratings at joints, prevents smoke migration, ensures code compliance.
Clean joint lines, professional appearance, color matching options available.
Prevents costly water damage, reduces energy waste, extends building life significantly.
Deep knowledge of sealant chemistry, joint design, and application techniques.
Exclusively using Dow, Sika, Tremco, BASF, 3M, and Bostik products.
Trained professionals with hands-on experience in sealant application.
8+ years of experience specifically in Sri Lanka's demanding climate.
Comprehensive testing and inspection at every stage of application.
Combined sealant and waterproofing solutions for complete protection.
Ongoing consultation and maintenance program options.
Water Infiltration
Causing structural damage
Energy Loss
Increased HVAC costs
Substrate Damage
Deterioration of materials
Health Concerns
Mold and air quality issues
Repair Costs
Exponentially increasing
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Get a free consultation and quote for your construction sealant project. Our team is ready to protect your building with premium sealant solutions.