About Exterior Wall Sealing
Exterior walls face harsh weather throughout the year. Without proper sealing, water can penetrate through hairline cracks, damaged plaster, and porous surfaces, causing dampness inside the building. Prerna Service provides advanced exterior wall sealing solutions to protect your property against water ingress while maintaining an attractive appearance.
What We Offer / Key Features
Rainwater seepage prevention
Plaster hairline crack repair
Damp interior wall treatment
Paint peeling prevention
Efflorescence (white salt deposits) removal
Algae and fungal growth eradication
Flexible acrylic crack sealing
Weather-proof exterior coating
Why Choose Prerna Service?
Thorough pressure cleaning to remove moss, dirt & old flaking paint
High-grade elastomeric crack filler for plaster cracks up to 2mm
Weather-proof exterior primers for deep structural bonding
Certified applicators for Asian Paints Apex Ultima Protek systems
Transparent quotations and 7-year performance warranty
Our Execution Process
Thorough preparation, premium materials & experienced applicators.
01
Surface Inspection & Crack Mapping
Locating all hairline cracks and damaged plaster zones.
02
High-Pressure Jet Cleaning
Washing off dirt, moss, algae, and flaking paint scale.
03
V-Groove Crack Repair
Sealing cracks with flexible polymer crack seal compound.
04
Waterproof Primer & Exterior Finish
Applying waterproof primer and dual coats of weathercoat paint.
Interactive Visual Proof
Visual Proof: Exterior Wall Sealing
See how our treatment transforms damaged surfaces.
✨ After: 100% Waterproof Terrace • UV Resistant PU Coating
⚠️ Before: Damaged Terrace • Water Leakage • CracksKey Benefits Summary
Prevents seepage through exterior masonry into interior rooms
Protects paint finish from peeling, bubbling & fading
Reduces structural maintenance costs long term
Improves durability and weather resistance against monsoons