Welcome to Waterproofing Trades Association Singapore

More Than 15 Years of Connecting Businesses

At Waterproofing Trades Association Singapore, we are dedicated to upholding the highest standards in waterproofing solutions. Our association brings together experts, professionals, and businesses in the waterproofing industry, committed to safeguarding Singapore’s buildings and infrastructure from water damage.

Our Accreditations

Our Services

Our primary mission is to unite and uphold industry standards for quality and professionalism.


We host annual events to boost professional growth, and industry collaboration.

Our Location

Blk 37, Jalan Rumah Tinggi #01-425 Singapore 150037

Become a Member

Join our community of industry leaders and professionals, gaining access to exclusive resources and opportunities for professional growth.

Get in touch

+65 9858 8873

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Empowering Excellence, Elevating Standards

At Waterproofing Trades Association Singapore, we take pride in uniting the finest waterproofing companies in Singapore under one umbrella. Established with a vision to revolutionize the industry, we are dedicated to regulating and upholding the highest standards of quality and craftsmanship.

“It is with great honour that I begin my term as the President of the WTAS. I would like to express my thanks to all members for your encouraging vote of confidence.”

Mr. Alfred Lim

President, WTAS

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1860 Reviews


1630 Reviews


2100 Reviews

Our Commitment

With decades of collective experience, the Waterproofing Trades Association Singapore (WTAS) boasts a track record of excellence in waterproofing solutions.

Upholding Excellence

We set and maintain stringent industry standards to ensure the highest quality of waterproofing services.

Regulatory Advocacy

Regulatory Advocacy

We work with regulators and agencies to create policies benefiting our members and the industry.

Empowering Members

We provide ongoing learning to keep you updated on industry advances and sharpen your expertise.

Why Join Us?

Choose WTAS for unmatched expertise, cutting-edge technology, industry-leading standards, and valuable networking opportunities.

Industry Recognition

Showcase our emblem, signifying you're part of a community of trusted professionals.

Exclusive Events

Join seminars, workshops, and networking to learn and connect with industry leaders.

Regulatory Updates

Stay current on industry regulations, compliance, and best practices.

Government Advocacy

Amplify your voice to key decision-makers through our advocacy efforts.

What People Say About Us

Here’s what professionals and industry experts say about our association.

Benedict Chua (1)
Ethan Shaw

The team at Waterproofing Trades Association Singapore exceeded our expectations with their meticulous attention to detail and unwavering commitment to quality. Our project was completed on time, and we couldn’t be happier with the results

“I've worked with several waterproofing contractors in the past, but none have demonstrated the level of expertise and professionalism that I experienced with WTAS. They provided innovative solutions that effectively addressed our unique waterproofing challenges.”
Wei Ling
Wei Ling
“Joining the association has been a game-changer for my business. The networking opportunities and access to industry knowledge have been invaluable. I've seen a noticeable improvement in the quality of our waterproofing projects since becoming a member.”
Andy Lim
Andy Lim
“WTAS has consistently delivered on their promise of excellence. Their team's dedication to staying up-to-date with the latest waterproofing technologies sets them apart in the industry. I wouldn't hesitate to recommend them to anyone in need of top-notch waterproofing services.”
Sarah Lee
Sarah Lee

Together, Let's Seal the Future

Join us in our mission to fortify Singapore’s infrastructure against water damage. Together, we’ll build a stronger, more resilient future.

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Blk 37, Jalan Rumah Tinggi #01-425 Singapore 150037

Call Us

Tel: 9858 8873
Fax: 6753 3208

Email Us