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Services

Balconies

Preparation first, then the system, then the protective layers. The waterproofing system is only as good as the preparation underneath it.

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Long covered balcony finished in bright blue membrane, glass sliders and balustrade

We prepare the surface, apply the waterproofing system and install any protective layers.

Our recent balcony system is primer, Gripset BRW PFN self-adhesive butyl rubber sheet membrane, then two coats of ACTFLEX 906, a water-based polyurethane membrane that dries electric blue. Balcony walls for direct-stick render get ACTFLEX 989.

We waterproof for Hotondo Homes South Coast builds, and recent jobs include Erowal Bay, Jervis Bay, Vincentia, Berry and Ulladulla.

See it in 3D

Marty's method

Six steps, in this order.

Marty's own tips for waterproofing a balcony, step by step.

  1. Surface preparation

    Clean, sound, dry, and free from dust, contaminants and loose material.

  2. Check the falls

    Adequate falls to the drainage points. Waterproofing will not fix poor drainage.

  3. Prime the surface

    The correct primer for the substrate and the system.

  4. Reinforce critical areas

    Bond breakers and reinforcement fabric to all corners, joints, penetrations and movement areas.

  5. First coat

    An even, complete coverage.

  6. Second coat

    Once the first has cured, at the required thickness for compliance.

On the job

More balconies work.

Ocean-view balcony at Ulladulla with blue primed panels and grey joint sealant
Ocean-view balcony, Ulladulla: primer and joint sealant before the membrane.
Balcony laid with grey Gripset butyl rubber sheet membrane, every joint, edge and floor waste coated in blue
Gripset sheet membrane laid, with the joints, edges and floor wastes coated in blue.
Charcoal membrane balcony with a hilltop view over Jervis Bay water
Charcoal balcony with a view over Jervis Bay.
Long upper-floor balcony in glossy grey membrane with glass doors

Also from SCW

Get a quote

Got a balcony that needs doing right?

Tell us what it is and where it is. Marty and the team will come back to you.

Call Marty 0437 185 933

Monday to Friday, 7am to 5pm.
4/24 Duranbah Drive, Huskisson NSW 2540.

Marty and the team will come back to you about the job. In a hurry? Call and talk to us.