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Rendering & Plastering
Sydney

Cracked, blown or salt-damaged render outside. Water-stained ceilings, crumbling plaster and broken cornices inside. We fix the cause, repair the surface properly and finish it ready for paint.

✓ External render
✓ Salt-resistant render
✓ Ceilings & plasterboard
✓ Painting
Render & plaster

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External render

Render repairs that stay on the wall

Render protects masonry and gives a building its finish, but once water or salt gets behind it, it cracks, bubbles and lets go. Patching over the top of drummy or salt-loaded render rarely lasts.

We tap-test walls to find drummy areas, remove failed render back to sound edges, find out why it failed, and re-render with a system that suits the wall, whether that's cement, acrylic or salt-resistant render. Then we match the texture and repaint.

Render problems we fix

  • Cracked render from movement or shrinkage
  • Drummy render that sounds hollow when tapped
  • Blistering and flaking from moisture and salt
  • Rust stains and bulging from corroding embedded steel
  • Damaged render after impact or storm
  • Façade render on strata buildings
After damp treatment

Salt-resistant render

When a wall has suffered rising damp, it's full of salts carried up from the ground. Even after the damp is stopped with a new damp-proof course, those salts stay in the masonry. Standard plaster or render applied over them will blister and crumble as the wall dries and salts crystallise.

The correct finish is a salt-resistant render system, designed to hold salts within the render so the surface finish stays sound. It's an essential part of a proper rising damp treatment, not an optional extra.

Damp treatment without salt-resistant render is half a job.

Because we do damp treatment and rendering in-house, both parts are done in the right order with the right materials.

Internal plastering

Ceilings, walls and cornices

Water-damaged ceilings

Stained, sagging or collapsed plasterboard replaced after roof leaks or burst pipes, with insulation and electrical checked.

Cracked walls & ceilings

Movement cracks, joint cracking and nail pops repaired and set.

Cornice repairs

Damaged or separated cornices repaired or replaced to match.

Old solid plaster

Crumbling hard plaster in older homes patched or relined.

Insurance reinstatement

Linings replaced after storm, water and fire damage. See insurance repairs.

Renovation linings

New plasterboard walls and ceilings as part of alterations.

Process

How we repair render and plaster

Inspect

Tap-test, moisture check and cause identified.

Fix the cause

Leaks, damp, cracks or steel dealt with first.

Remove

Failed render or plaster cut back to sound edges.

Apply

Correct system applied in proper coats.

Finish

Texture matched, primed and painted.

FAQs

Rendering & plastering questions

Why is my render cracking or falling off?
Common causes are moisture behind the render, salt from rising damp, building movement, rusting embedded steel, or poor original bond. We find the cause before repairing.
What is drummy render?
Drummy render has lost its bond with the wall and sounds hollow when tapped. It can crack and fall, so it is removed and re-rendered.
What is salt-resistant render?
After rising damp treatment, walls contain salts that destroy normal plaster. Salt-resistant render systems are designed to hold those salts without blistering, so finishes last.
Can you replace water-damaged ceilings?
Yes. We remove damaged plasterboard and insulation, check the framing and electrical, install new sheets, cornices and finish ready for paint.
Can you match existing render textures?
We match sand finish, smooth, bagged and textured renders as closely as possible, and repaint so repairs blend in.
Do you repair old hard plaster walls?
Yes. We patch and repair older solid plaster walls, or replace damaged sections with suitable modern linings.
Do you render strata façades?
Yes. We repair cracked and drummy render on strata building façades, balconies and boundary walls.
Do you paint after repairs?
Yes. Repaired render and plaster can be primed and painted so the repair is finished, not left as a patch.

Walls and ceilings fixed properly

Cause found, surface repaired, finish matched.

Call 02 8107 9998