Providing
Leak‑Free
Structures
Across India
Expert waterproofing consultancy for new construction and repairs — backed by 34+ years of experience and 107+ landmark projects.
Mr. Sudish Subramanian
Managing Director, SIWIN Consultants
Civil Engineer with an MBA & SLP from IIM Kozhikode. 34+ years designing and executing waterproofing systems across India and abroad.
Why Choose SIWIN?
Six reasons why India's most respected builders trust SIWIN for every critical waterproofing decision.
India's First & Only Institute
The first institute in India dedicated exclusively to waterproofing and thermal insulation — bringing academic rigour to a field that demands it.
34+ Years of Hands-On Experience
Our director led India's largest waterproofing companies. That real-world experience — from boardroom to site — informs every recommendation we make.
100% Independent — Zero Vendor Bias
We sell advice, not products. Our system specifications are based purely on performance data — giving you the best solution, not the most profitable one.
Proven Track Record
107+ landmark projects delivered across India — from malls and airports to data centres, luxury residences, and tech campuses.
Pan-India Reach, Local Precision
With projects across Bangalore, Mumbai, Chennai, Delhi, Kerala, and beyond — we deliver consistent, high-quality supervision wherever your project is.
ISO 9001:2015 Certified
Our internationally certified quality management system ensures that every site assessment, design document, and supervision report meets a benchmarked standard — giving clients full confidence in every deliverable.
Consultancy Services
End-to-end waterproofing consultancy — from system design to on-site certification.
New Projects
Part 1 — Design & Planning
- › Designing the complete waterproofing system
- › Preparation of BOQ, method statements & shop drawings
- › Product suggestion and system selection
- › Vendor evaluation and onboarding
Part 2 — Supervision & Quality
- › Full-time on-site supervision for quality control
- › Vetting shop drawings and vendor method statements
- › Product consumption and chemistry verification
- › Weekly execution checklists and progress reports
Repairs & Rectification
Part 1 — Diagnosis & Planning
- › Site inspection with thermal imaging technology
- › Analysis of waterproofing failure and repair needs
- › System selection, value engineering, detailed technical reports
- › Preparation/review of BOQ, method statements & tender documents
Part 2 — Execution & Certification
- › Full-time supervision for quality control & certification
- › Vendor evaluation and method statement vetting
- › Verification of products delivered and used on site
- › Execution checklists and weekly progress reporting
How We Deliver
Our End-to-End Delivery Process
Every project follows a structured two-phase methodology — from system design through certified completion.
Phase 1
Design, Documentation & Vendor Onboarding
Designing the Waterproofing System
- ›Type of Foundation
- ›Type of Construction
- ›Intended Use of Space
- ›Water Table Condition
- ›Location of the Project
- ›Type of Retaining Wall
Preparation & Review of Documents
- ›BOQ
- ›Method Statement
- ›Checklist
- ›Drawings
Vendor Analysis & Onboarding
- ›Assess vendor based on work history
- ›Assess skilled labours available
- ›Helps in Project Briefing
Phase 2
Supervision, Training & Quality Control
Full-Time Engineer Supervision
- ›Material quality & consumption
- ›Batch-wise testing of material
- ›Methodology compliance
- ›Raising & closure of NCs
Mock Trials with Vendor
- ›Surface preparation
- ›Proper mixing of products
- ›Proper application & termination
- ›Proper protection
Training to Applicators & Supervisors
- ›Project-specific training
- ›Upskilling to SIWIN standards
- ›Periodic assessment
- ›Certification
Documentation
- ›Daily, weekly & monthly reports
- ›Maintaining the checklist
- ›Test Certificates
- ›TDS, MTC etc.
Sr. Visits & QC Inspection
- ›Fortnightly inspection by senior team
- ›QC inspection by SIWIN
Testing & Lab Services
Physical property testing (tensile, elongation, peel), membrane testing, thermal imaging, NDT thickness measurement, and rebound hammer testing.
Vendor Evaluation
Rigorous screening, evaluation, and onboarding of waterproofing contractors and material suppliers — ensuring quality from product to application.
Value Engineering
Optimising waterproofing systems for cost-effectiveness without sacrificing performance, durability, or compliance with industry standards.
107 Projects Delivered
Trusted by India's most respected developers, technology giants, and infrastructure companies.
Trusted by
Full Project Directory
Showing all 107 projects
Every Day Without Proper Waterproofing
is a Day of Structural Risk
107+ landmark projects. 34+ years of expertise. India's most trusted waterproofing consultants are ready to assess your structure.
Get in Touch
Have a waterproofing challenge? Our consultants are one call away — let's solve it together.
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Bangalore Office
3rd Floor, Balaji Plaza,Above Karnataka Bank,
Karthik Nagar, Marathahalli,
Outer Ring Road,
Bangalore — 560 037
Kerala Office
3rd Floor, Star Plaza,Near Mathrubhumi Office,
Mattumantha,
Palakkad,
Kerala — 678 005