PO Box 135 Lane Cove
NSW 1595
Mobile: 0418 645 116
Phone: 1300 723 006
Fax: 1300 723 343



Waterproofing Sydney | Five Reasons To Use Buildseal


Have peace of mind.

Build seal stands by all of our products and workmanship. Our track record speaks for itself, with over 21 years of providing hundreds of delighted clients across Sydney our premier waterproofing services.


Greater options.

Unlike some of our competitors that only use one type of waterproofing membrane or product, we use a wide range of industry leading waterproofing products to ensure that you receive the best waterproofing solution for your project.

We help you understand your options as well as giving you greater flexibility when choosing the best membrane for your needs, application and budget.


Save $$$

Don’t waste your time and money on a cowboy outfit. Our highly trained team does the job right -- the first time, every time!



Our knowledge & 21 years of experience helps to choose the best suited waterproofing and joint sealing system for your job, whatever your needs may be.


Enhance your reputation

If you are working with Buildseal as a tradesperson or building manager, your clients will be delighted with our professionalism and reliable service - which looks great for you.


Contact Us for Bathroom Waterproofing, Joint Sealing and all Waterproofing Servcies

For all of your waterproofing needs for your Sydney home or business, rely on the waterproofing experts from Buildseal for a professional solution. From bathroom waterproofing services to commercial joint sealing, Buildseal delivers quality workmanship, reliable service and affordable prices.

We offer our waterproofing services to businesses, property managers and homeowners

For a free quote on your next waterproofing project, contact us today or send us an online enquiry.