Siphonic Roof Drainage Solutions.

Transforming Rainwater Management with Siphonic Solutions.

Welcome to New Siphonic Innovations

Think Siphonic. DrainSmart®.

We’re changing the way buildings manage Rainwater with smart, efficient, and sustainable Siphonic Roof Drainage systems.

With years of hydraulic experience, we blend practical engineering know-how with modern digital tools to make advanced roof drainage design simple and accessible for every designer.

Request Your Design Package

91 – 932-623-9484

Start Your Siphonic Journey

Want to start your own Siphonic Drainage Business?

We’ve got everything you need — from design tools to technical support.

Computer Analysis & Design

Siphonic design is an art backed by science. With DrainSmart®, we bring both together—automating hydraulic analysis to deliver precise, safe, and cost-optimized drainage designs.

AutoCAD & BIM Integration

We deliver a full siphonic drainage design package with DrainSmart® giving BOQs, hydraulic reports, and detailed AutoCAD isometrics. For BIM-based projects, we also provide Revit-ready models for smooth coordination across disciplines.

Training & Certification

Learn the fundamentals of siphonic design and become a certified designer.

Technical Support

We help you get started with your first few siphonic projects by offering one-on-one design guidance, performance checks, and quick solutions to on-site challenges.

Manufacturer Integration

Access multiple brand components directly within the software.

From Our LinkedIn

About Us

Driving Innovation at Siphonic Innovations LLP

Led by the vision of Ms. Aishwarya Krishnan, Siphonic Innovations LLP stands as a trailblazer in the Siphonic Roof Drainage industry. With Ms. Krishnan’s expertise, holding a Masters in Construction Management and a Bachelors in Civil Engineering, Siphonic Innovations is at the forefront of cutting-edge solutions.

Ms. Aishwarya Raman Krishnan

Accolades

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FAQs

What is Siphonic Roof Drainage?

Siphonic Roof Drainage is an innovative system designed to efficiently and rapidly remove rainwater from roofs, utilizing the principle of siphon action. This method allows for optimal drainage even at low flow rates, making it a highly effective solution for a variety of roof structures.

How Does Siphonic Roof Drainage Differ from Traditional Systems??

Unlike traditional gravity-based drainage systems, siphonic roof drainage systems use a network of pipes to create a vacuum, enabling a faster and more efficient removal of water, especially over long horizontal distances and with fewer downpipes and fewer outlets.

What Types of Roofs Are Suitable for Siphonic Drainage?

Siphonic drainage is versatile and suitable for various roof types, including flat roofs, curved roofs, industrial buildings, commercial buildings, and more. Its adaptability makes it an excellent choice for a wide range of architectural designs.

What Are the Main Advantages of Siphonic Roof Drainage?

Siphonic roof drainage offers several benefits, including efficient water removal, space optimization, cost-effectiveness, and reduced maintenance. It is particularly advantageous for large roof areas and complex building structures.

How Does Siphonic Innovations Ensure Project Success?

At Siphonic Innovations, our success lies in our comprehensive approach to design and execution. With over 5 years of experience, we specialize in delivering state-of-the-art siphonic roof drainage projects, ensuring efficiency, innovation, and client satisfaction.

What Maintenance is Required for Siphonic Roof Drainage Systems?

Siphonic systems are known for their low maintenance requirements. Regular inspections and cleaning of outlets are recommended, but the self-cleaning mechanism minimizes the need for frequent interventions.

Is Siphonic Roof Drainage Environmentally Friendly?

Yes, siphonic roof drainage systems are environmentally friendly. They contribute to water conservation by efficiently capturing and directing rainwater, reducing the need for extensive water management infrastructure.

Our Siphonic Design Gallery

Hanimaadhoo International Airport, Maldives
Siphonic Roof Drainage Design (Feb 2024 – 2025)

A flagship DrainSmart® project featuring one of the region’s most complex roof geometries. This international airport required advanced hydraulic balancing across wide roof spans, multi-level structures, and tight coordination with MEP and structural elements. Using DrainSmart® digital analysis, BIM-integrated modelling, and precise AutoCAD layouts, we developed a high-performance siphonic system designed to handle extreme tropical rainfall with minimal downpipes and maximum efficiency.
The design achieves notable material and CO₂ reductions, supporting sustainable aviation infrastructure and aligning with global green-building goals.
We are grateful to the Kalpataru team for their trust, collaboration, and commitment to engineering excellence—making this a standout achievement in modern airport development to change this text.

Union Quarter, Melbourne — Siphonic Roof Drainage Design
(Jan 2022 – Mar 2023)

A 4000 m² multi-level residential roof designed using DrainSmart® for precise hydraulic balancing and efficient water management. Despite irregular roof geometry and structural constraints, the system achieved optimal performance through digital analysis, AutoCAD isometrics, and BIM coordination. The siphonic layout reduced downpipes by nearly 10× compared to gravity systems, delivering major material and CO₂ savings—making it a smart and sustainable solution for modern township developments.

Beach St Luxury Apartments, Melbourne, Australia
Siphonic Roof Drainage Design (Jun 2025 – Present)

A premium residential development requiring a high-performance siphonic drainage solution designed using DrainSmart®. The project features complex roof layouts with limited vertical space, demanding precise hydraulic balancing and careful coordination with structural and services elements. Digital modelling, AutoCAD isometrics, and BIM-ready outputs ensured seamless integration with the building design. The result is a clean, space-efficient siphonic system delivering reliable performance suited for luxury apartment construction.

Swosti Institute of Management, Bhubaneshwar, India
Siphonic Roof Drainage Design (2022-2023)

An institutional project featuring a large reinforced-concrete roof requiring efficient rainwater management and minimal vertical penetrations. Designed using DrainSmart®, the system delivers accurate hydraulic balancing, optimized pipe sizing, and smooth integration with the building’s structural grid. Developed in collaboration with Aliaxis (Ashirvad Pipes Pvt. Ltd.), the design includes precise AutoCAD isometrics to ensure reliable performance and long-term sustainability for this expanding educational campus.

Riveria City, Kuala Lumpur, Malaysia Sentral
Siphonic Roof Drainage Design (Jul 2025 – Present)

A major transit-oriented development in Kuala Lumpur requiring a fully integrated rainwater management strategy. Designed using DrainSmart®, the system applies advanced hydraulic analysis, EN-tested siphonic principles, and BIM-coordinated modelling to handle large roof catchments efficiently. Optimized pipe layouts, reduced vertical drops, and digitally validated performance ensure a reliable, space-saving, and sustainable drainage solution for a high-density urban project.

Testimonials

Dear Aishwarya, I am very lucky to have met you in Mumbai: Finally, I old man had found you, dear Aishwarya, to share my 30 years of experience in Siphonic Roof Drainage with you.
After more than five years of working together, you have grown into an expert yourself and are able to share your knowledge and skills with a new generation of open-minded young people in India and around the world.
Good luck and God’s blessings.

ROLF H. KEIDELGERMANY

One of Ash’s standout attributes is her profound knowledge of plumbing, with a particular expertise in Siphonic roof drainage. This expertise has proven to be a tremendous advantage to our entire team. She has effectively applied her skills to tackle complex design challenges in large-scale industrial and commercial roofing projects, consistently delivering high-quality results within tight deadlines. Moreover, Ash has displayed patience and a willingness to assist and educate our team members who seek to broaden their understanding of siphonic concepts.

DR. JOHN ANTONNIO-HERRERO SMITHUK , THAILAND

Dear Aishwarya, it’s a great pleasure for me to have been introduced to you. You are a gifted communicator and have a natural talent for making technical knowledge easier to understand. Thank you for the help during our training sessions in the use of siphonic roof rainwater design, I am now able to promote the product and siphonic solutions with confidence. Looking forward to continuing our journey in raising awareness with you. Again a big thank you, and wishing you continued success where you are.

JOHN TURNERPHILIPPINES

Excellent review session. Every inquiry I had was completed with precision resolution. The team was very friendly and driven to satisfy my needs.

W. JAKEUSA

Contact Us

Contact Details

Our Email

info@siphonic-innovations.com

Phone

+91 9326239484

Send Us a Message

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