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RoofWaterproofing

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What is Roof Waterproofing?

  • It means putting a special coating or layer on your roof so water cannot get in.
  • Rain, wind, and sun damage your roof over time - waterproofing protects it.
  • Without it, leaks cause cracks, mould, and expensive damage inside your home.
  • A waterproofed roof lasts much longer and saves you money in the long run.
  • It works on all types of roofs - tile, metal, flat, and more.

Types of Roof Waterproofing

Tile Roof Waterproofing

  • •Tiles can crack, chip, or shift - letting rain sneak in.
  • •A waterproof coating is sprayed or rolled over the tiles.
  • •It fills small cracks and gaps between tiles.
  • •Keeps tiles looking clean and new.
  • •Best done every 5–8 years to stay protected.

Metal Roof Waterproofing

  • •Metal roofs can rust and develop small holes over time.
  • •A special paint or membrane is applied to seal the metal.
  • •Stops rust from spreading and water from getting in.
  • •Also helps keep your home cooler in summer.
  • •Great for factories, garages, and older homes.

Flat Roof Waterproofing

  • •Flat roofs collect water - they need extra protection.
  • •Water sits on the surface and soaks in if not sealed properly.
  • •Special thick coatings or membranes are used.
  • •Very common in apartments and commercial buildings.
  • •Must be checked regularly as flat roofs are more vulnerable.

Torch-On Waterproofing

  • •A thick bitumen sheet is heated with a torch and stuck to the roof.
  • •It creates a very tough, waterproof layer.
  • •Great for flat roofs and areas with heavy rain.
  • •Lasts 10–15 years when done properly.
  • •Needs a professional - do not try this yourself.

Liquid Rubber Waterproofing

  • •A liquid rubber coating is painted or sprayed onto the roof.
  • •When it dries, it becomes a flexible, waterproof skin.
  • •Bends with the roof so it does not crack.
  • •Eco-friendly and safe for people and animals.
  • •Works on almost any roof type - very versatile.

Signs You Need Roof Waterproofing

  • You see water stains on your ceiling after rain.
  • There are dark patches or mould growing inside your home.
  • Your roof tiles look cracked or broken.
  • You can see rust on a metal roof.
  • Water pools on your flat roof after rain.
  • Your roof is more than 8 years old and has never been sealed.

How Much Does It Cost?

  • Prices depend on your roof size, type, and condition.
  • Small roof (under 80m²): R3,000 – R8,000.
  • Medium roof (80–200m²): R8,000 – R20,000.
  • Large or complex roofs: R20,000+.
  • Torch-on is usually more expensive than liquid coatings.
  • Getting multiple quotes is the best way to find a fair price.

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