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- Available in Black, White, Clear and Aluminium.
- Interior and exterior use.
- For use on metal, aluminium, PVC, masonry, asphalt roofing materials, and more.
- Flexible rubber coating seals leaks and cracks.
- Provides a watertight, paintable finish.
- Dries to a semi-smooth, firm finish that will not sag or drip.
Description
Rust-Oleum LeakSeal - Paintable Watertight Sealer
Introducing Rust-Oleum LeakSeal, the ultimate solution for sealing and protecting surfaces exposed to moisture. This innovative flexible rubber coating is designed to seal leaks and cracks, providing a watertight, paintable finish that dries to a semi-smooth, firm surface. Whether you are dealing with minor repairs or significant leaks, LeakSeal is the go-to product for all your sealing needs.
- Available Colours: Black, White, Clear, and Aluminium.
- Versatile Application: Ideal for use on metal, aluminium, PVC, masonry, asphalt roofing materials, and more.
- Watertight Finish: LeakSeal offers a watertight barrier, perfect for preventing further damage from water leaks.
- Paintable Surface: Once dry, the surface can be painted to match your desired colour scheme, blending seamlessly with existing surfaces.
- Easy Application: The aerosol spray allows for easy and precise application, ensuring even coverage without sagging or dripping.
- Durable Protection: LeakSeal's rubber coating is designed to provide long-lasting protection against moisture and corrosion.
Usage Instructions
- Preparation: Ensure the surface is clean, dry, and free from any grease or dirt. For best results, test a small area for compatibility.
- Application: Shake the aerosol can vigorously for one minute after the mixing ball starts to rattle. Hold the can 20-45 cm from the surface and spray in short, even strokes.
- Drying Time: Allow the first coat to dry for 15-30 minutes before applying a second coat. Multiple coats may be applied for added thickness and protection.
- Finish: Once the final coat is dry, the surface can be painted if desired.
Safety Information
- Handling: Use only in well-ventilated areas. Avoid inhalation and contact with skin and eyes.
- Storage: Store in a cool, dry place away from direct sunlight and sources of ignition. Do not store above 35°C.
- Disposal: Follow local regulations for disposal. Do not puncture or incinerate the can, even when empty.
Restrictions and Limitations
- Do not use on hot surfaces or areas exposed to direct flame. Avoid using on surfaces heated above 93°C.
- Not suitable for continuous immersion in water. Ensure the product is completely dry before exposure to moisture.
MSDS Summary
- UN Numbers: UN1950
- Safety Information: Contains hydrocarbons, ethylbenzene, and xylene. Use personal protective equipment such as gloves and safety glasses during application.
- Hazards: Extremely flammable aerosol. May cause respiratory irritation and drowsiness. Toxic to aquatic life with long-lasting effects.
- Contains Diisocyanates: No.
Product Details
16-895631
Data sheet
- Manufacturer
- Rust-Oleum
- For Use By
- Consumer Use
- Interior / Exterior Use
- Exterior Use
- For Use On
- Concrete
Flashing
Guttering
Masonry
Metal
UPVC - Application Method
- Spray
- Colour
- Standard / Ready Mixed
- Single, Two or Three Pack
- Single
- Pack Size
- 500ml
- Dry to Handle (at 20°C)
- 45 - 60 minutes
- Dry to Recoat (at 20°C)
- Apply second layer LeakSeal after 15 - 30 minutes. Topcoated with water-based or oil-based paints after 24 hours.
- Fully Cured (at 20°C)
- 24 Hours
- Coverage
- 0.74m² per can
- Max. Application Temperature
- 32ºC
- Min. Application Temperature
- 10ºC
- Shelf Life (from date of manufacture)
- 2 years from date of production in unopened cans, if stored in dry, well ventilated areas, not in direct sunlight at temperatures between 5° and 35°C.
- Touch Dry
- 20-30 Mins
- UN Number
- UN1950
- UN Number
- UN1950
- Consumption
- 0,74 m² per aerosol at 65 µm dry film thickness
- Base Type
- Solvent-Based
- Suitable For Use On
- Flashing
- Suitable For Use On
- Masonry
- Suitable For Use On
- Roof
- Suitable For Use On
- Ducts
- Suitable For Use On
- UPVC
- Suitable For Use On
- Concrete
- Suitable For Use On
- Guttering
- Finish
- Satin
- Application Method
- Aerosol
- Usages
- Anti-Corrosion
- Usages
- Crack & Joint Fillers
- Usages
- Waterproofing
- Product Usage Type
- Repair
- Fastest Delivery
- Next Working Day
- Colour Family
- Clear
- Colour Family
- Aluminium
- Colour Family
- Black
- Colour Family
- White
- Categorised As
- Floor Marking > Roof Repairs
- Seasonal
- Cold Weather
 Philip Commander on 2023-09-21 09:54:10 | Question:
I have a narrow crack in painted (Sandtex smooth masonry paint) render across the house on the west/south facing side which is exposed to weather. The render is otherwise sound. Can I use Rust-Oleum leak seal spray to prevent damp ingress which has recently become a problem? |
Answer from Rawlins’ Technical Team:
While this can be applied to masonry for this application it would depend on the size of the cracks and if they are active or not. Please can you provide more information and pictures of the area in question to [email protected] | |
| Barry Colins on 2021-01-29 08:35:02 | Question:
I have rainwater ingress in the boot of my car from one of the original bodywork spot welded joints. Would this product be appropriate? |
Answer from Rawlins’ Technical Team:
This is designed to seal leaks and cracks but works best when applied to the outside ( area exposed to the weather) For this application assuming the area is metal, clean dry, sound and prepared as detailed in the Technical Data Sheet we can recommend Bullet Mega Mastic. | |
| Keith Talbot on 2019-09-25 03:56:37 | Question:
Am I able to use the gutter repair sealant when the surface is wet ? |
Answer from Rawlins’ Technical Team:
No, the surface to be coated with Rust-Oleum LeakSeal should be clean and dry before application. | |
| Natalie on 2019-07-09 08:40:47 | Question:
We have one part of out gutter that is letting a lot of water out. Think the seal is damaged or loose. Would this work on that? |
Answer from Rawlins’ Technical Team:
Potentially depending on size of the issue, for a more robust paint on solution we would recommend Rust-Oleum Fillcoat Fibres Repair Kit. | |
| Eric Adair on 2019-05-10 10:28:21 | Question:
The harling on my house has a number of fine cracks. Can this be used to seal then before painting? |
Answer from Rawlins’ Technical Team:
Depending on the actual overall condition of this harling substrate, and the extent of the hairline cracks, LeakSeal could be a solution. However normally for hairline cracks (especially if whole wall is being treated) then we could suggest Rust-Oleum Mathys Murfill Waterproofing Coating. | |
| Peter Lapage on 2019-02-26 17:25:48 | Question: My roof has water ingress at the lead flashing. Is this the best to use to seal the flashing at the brick wall? |
Answer from Rawlins’ Technical Team: Rust-Oleum LeakSeal may work here but Rust-Oleum Mathys Fillcoat Fibres would be a better option. | |
| Adrian price on 2019-01-08 19:46:58 | Question: Would it be ok on 40 year old asbestos cement board / corrugated sheeting ? |
Answer from Rawlins’ Technical Team: Rust-Oleum LeakSeal is for small patch repairs, if you are wanting to seal a small crack, or apply over a fixing/bolt then this should be fine for temporary protection. However, if you wish to coat the whole roof you would be better looking at something like GacoPro Roof Coating. | |
| Gary cailler on 2018-11-22 18:32:56 | Question: I have a 3 year old shed that has started to leak water where the ash felt roof is seamed down the middle. Can I use your product to seal the seam to prevent further water leakage? Thank you. |
Answer from Rawlins’ Technical Team: We would instead recommend Britannia Aquashield Emergency Leak Repair. | |
IMPORTANT SHIPPING & DELIVERY INFORMATION
Rust-Oleum LeakSeal is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.
Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.
Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.
All delivery costs below are excluding VAT
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