Welcome to Jacks Waterproofing NSW in Double Bay

We are the ultimate waterproofing company in Double Bay

Jack’s Waterproofing provides premium waterproofing options for property and commercial interiors and exteriors in Double Bay. Whether you’re renovating an old retro bathroom or constructing your dream house, we can handle any tasks of all sizes and problems. Visit our site to find out more about the services we provide or call 0432 334 355 today to chat with one of our friendly team members.

Why us?

  • Friendly, Honest and on time
  • Quality Workmanship
  • We use the best Waterproofing products in the Double Bay market
  • Bring your Quote and compare with our competitive prices
  • We are super-affordable
  • We are family owned and operated.
  • We value our clients!

Jack’s Waterproofing is well known for supplying quality roofing options for some of the more challenging jobs in the area. Whether you are constructing your first house, an architecturally developed masterpiece or a commercial house, Jack’s Waterproofing can offer you a fast and trusted service from a knowledgeable and devoted roofing team. You need to think of a Jack’s waterproofing shower choice to fix the leaking shower once and for all.

We offer waterproofing solutions in Double Bay and Edgecliff, Point Piper, Woollahra, Bondi Junction, Bellevue Hill, Rose Bay, Centennial Park, Waverley, Bondi, Queens Park. Call us today!

It‘s important that you choose the right service suitable for your scenario, something which your local Megasealed ™ consultant will help you with upon pricing quote at the site.

Our Double Bay Services

bathroom wet areas Double BayWater penetration through ceramic tiles in bath/shower rooms and other wet areas triggered by leaks, floods, substrate motion, and grout failure can result in comprehensive expenses and much inconvenience to all those parties involved.

Jack’s waterproofing can set up an approved waterproofing system to avoid these problems noted above.

Verandas and balconies can vary in size & construction – this will influence the selection of the waterproof membrane. There are many considerations to take into consideration consisting of deck movement, differential movement, drainage, waterproofing continuity at expansion joints, drainage outlets, deck surfaces and most important what is below the balcony or terrace– automobile parking? Habitable space?

Jack’s waterproofing can provide an appropriate product for your needs.

Modern flat roofings tend to utilize a continuous membrane covering which can much better resist pools of standing water. These membranes are used as a continuous sheet where possible, though sealants and heat welding is offered to allow for bonding multiple sheets and handling structures penetrating the roofing system surface area and forms a homogenous layer resistant to moisture.

Spalling likewise know as Concrete Cancer is a result of water entering brick, concrete or natural stone and forcing the surface area to peel, pop out or flake off. This is because there is salt in water. Salt pushes outward from the inside. Eventually, spalling can trigger collapsing and damage of a structure.

Structure or remediation of water features. We are qualified plumbing professionals in Double Bay.

Internal and external areas in colored non-slip finishes. Treatment of tiled areas to give more grip.

Double Bay concrete crack repairConcrete fracture repair work and concrete cancer treatment. High pressure fracture injection to stop leaks.

Sealing new and existing water tanks.

Specialist in negative side waterproofing of internal and external retaining walls.

Our Basement Remodeling Starts With Irreversible Waterproofing

basement waterproofing Double BayBasement remodeling can include great deals of additional living space to your house but beware; basement water leakage could put a real damper on your hopes if not appropriately remedied.
There are 2 conditions you should deal with for a dry basement, actual water leakage, and condensation. Water leakage is a quite apparent concern to house owners but many are uninformed of the problems that high humidity can trigger to a finished basement.

Humidity Problems

Because a basement is below ground, it will be naturally cooler than the floors above ground. When warmer air from upstairs or outdoors enters the basement, it shrinks in volume as it cools. This shrinking or “condensing” of the air volume leads to greater humidity. Everything permeable in your basement will absorb the additional moisture in the air and trigger a nasty smell. Dehumidifiers are devices which mechanically eliminate the unwanted additional humidity from your basement. A good dehumidifier is a must if you plan on renovating your basement. Even a basement that does not leak will benefit from utilizing a dehumidifier.

Water Leak

Without doubt, water leakage into the basement should be completely remedied before you start your remodeling project. Start by fixing apparent sources of the problem; broken or non-existent gutter, downspouts emptying next to the foundation, ground outside sloping towards the house, uncovered underground windows, and so on
. After you exhaust all preventative procedures outside, try to recognize areas inside where you are experiencing the leakage. If a corner of the basement seems to be a particular problem, once again, look outside at your gutter downspouts. If you see cracks in the walls leaking, some of these can be fixed with hydraulic cement or fracture injection. If water seems to be can be found in from a separated area, setting up a sump pump below floor level can lower the water level and underground hydrostatic pressure in that area. If you are uncertain or your problems appear to be widespread, it may be best to contact a building inspector, engineer or other professional to help you recognize and fix your problem. There are a range of services offered to fix your leakage problems. These consist of; outside excavating, re-parging your walls, interior or outside drainage systems, interior cove systems, grout or epoxy injection and others. Most of these options will require a professional.

Basement Remodeling Begins

remodelling Double BayIf you can spare the additional space, 2X6s are even much better because they enable space for more insulation. Never, under any situations, nail furring strips onto the walls. Permeating the foundation will compromise its barrier against water.
Use construction adhesive instead of nails or screws to adhere your bottom wall plate to the floor. It’s okay to nail the upper wall plates into the upper floor joists.
Do not glue down your basement carpet. Carpet is something that is going to break and eventually need to be changed. Glued down carpeting develops a real problem in the future when attempting to eliminate it. Tell your carpet installer to utilize construction adhesive to set up the carpet tack strips around the boundary. Do not enable them to drive nails into the cement floor.


With some common sense, construction technique, a dependable waterproofing system, and humidity control, and an excellent waterproofing company like Jacks Waterproofing NSW, you can enjoy a lot of additional living space by renovating your basement in Double Bay.

Call Us Now

0432 334 355