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Project House Boat

Waterproof your house boat in 5 simple Stages

Stage 1:

Power Wash

Wash/water-blast the entire surface.

Stage 2:

Detailing

Apply Waterproof Sealant with brush to seams, joints and holes before embedding the pre cut Geo-Textile. Ensure to also apply Waterproof Sealant to any surface rust, pipes and any railing bases - allow to cure.

Stage 3:

Apply 2 Coats of Waterproof Sealant

Apply 2 coats of Waterproof Sealant with brush or roller to the defected areas e.g. seams, joins, anywhere it may leak. Allow 12 hours between coats.

Stage 4:

Apply Primer

Apply Sealer/Primer (if previously painted) or Etch Primer (if raw metal) to entire surface.

Stage 5:

Apply Thermal Coating

Once dry, apply Thermal Coating to entire surface - 3 coats over Waterproof Sealant and 2 coats minimum over entire surface area. Allow to cure.

Build and Customise Your House Boat Roof Repair Kit

Enter the length and width of your House Boat roof:

Step-by-Step Instructions

1

Clean and Prepare the Surface

  • Wash or water-blast the entire houseboat roof or deck surface to remove dirt, debris, and old coatings.
  • Use a leaf blower to remove excess water and ensure the surface is completely dry before applying any product.
2

Reinforce Seams, Joins, and Holes

  • Pre-cut Geo-Textile to fit over seams, joins, any holes, skylight etc.
  • Apply Liquid Rubber Waterproof Sealant with a brush over these areas before embedding the pre-cut Geo-Textile into the wet sealant.
  • Smooth out the textile to remove any air bubbles or wrinkles.
  • Once set, instantly spray Rapid Cure Spray to secure the area and speed up the drying process.
3

Seal Screws, Rust, and Railings

  • Screws do not require Geo-Textile—simply apply a small amount of Waterproof Sealant over them with a gloved finger.
  • Spray Rapid Cure Spray over the treated screws to instantly set the sealant.
  • Apply Waterproof Sealant to surface rust, pipes, and railing bases for extra protection. Allow it to cure before proceeding.
4

Apply Sealer/Primer

  • Once fully cured, clean the surface again to remove any dirt, salt, or natural debris that may have settled.
  • If the surface was previously painted, apply Sealer before adding the final coating. If working with raw metal, apply Etch Primer to ensure proper adhesion.
5

Apply the Protective Thermal Coating

  • Once dry, apply Thermal Coating for additional UV protection and heat reflection.
  • Apply 3 coats over the Waterproof Sealant or 2 coats minimum over primed metal surfaces.

Additional Tips

  • Apply products in the early morning or late afternoon to avoid direct sunlight.
  • Always ensure surfaces are completely dry before application.
  • Use Rapid Cure Spray to set the product quickly and reduce curing time, especially if rain is approaching.
  • Waterproofing works best in temperatures between 10°C and 32°C.