LeakSeal – 500ml

£16.83

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LeakSeal is a Waterproofing Roof & Leak Repair Paint for Leaks/Cracks in Gutters, Roofs & much more.

Instant Protection
0.5L-1L per Sq Meter
One Coat with Added Fibres & Easy to Apply
Flat/Pitched Surfaces – Gutters, Concrete, Brickwork, GRP, Fibreglass, Felt & Metal (galvanised & ferrous)
Quality Assurance
Free Technical Support

Description

If water is getting in, LeakSeal will keep it out. Just one coat to exposed areas waterproofs them instantly. Suitable for roofs, gutters, brickwork and many other surfaces. LeakSeal can be applied even in damp conditions. And no worries if it rains immediately after application – it will have no adverse effect. If you have a leak, LeakSeal will fix it – and keep it fixed for a long time to come.

  • Waterproof results, apply leak sealant paint to affected area to instantly seal any leak on your roof gutter and drainpipe from water getting in. Roof leak sealer repair paint for leaks and cracks.
  • Easy application with just one coat, no primer needed & can be applied to damp surfaces. Solution for emergency roof repairs and water leaks
  • For use on flat roofs pitched roofs, weathered asphalt, bitumen surfaces, felt shed roofs, gutters, drainpipes, concrete, brick, GRP, fiberglass roofs, felt roofs and metal roofing surfaces
  • Leak seal contains reinforced fibres that interlace to cover up small gaps or crack, giving durable and quick results

How To Use

Step 1 – Preparation:

  • Clear all areas of moss, lichen and debris by brushing or power washing and remove surface water and any contamination such as Oil or Grease and allow to dry.
  • If required apply FungiSeal to prevent further fungal/algal growth.
  • Most roofing substrates to be treated will not normally require priming.

Step 2 – Application:

  • To the dry and cleaned surface, apply a generous coat of LeakSeal by brush or roller, at the minimum specified spreading rate as stated in the technical specs section.

How Much Do I Need?

Recommended Coats

1

Calculate

Technical Specs

Interior/Exterior Usage Exterior
Coats Only 1 coat required.
Application Method Brush & Roller
Type Acrylic Solvent Based
Coverage
  • 500ml covers up to 0.5m²
  • 1 Litre covers up to 1m²
Drying Times At 5°C-25°C
  • Instant Protection
  • Touch Dry: 3/4 hours
  • Fully Dry: Up to 6-7 days depending on temperature, thickness of coating.
Minimum Application Temperature 5°C
Shelf Life Up to 2 years if stored correctly in an unopened container.

We Don't Recommend

  • Walkways
  • Balconies
  • Timber surfaces
  • New and aged PVC
  • Plasticised PVC (Plastisol)
  • Internal use

How Much Do I Need?

Recommended Coats

1

Calculate

Description

If water is getting in, LeakSeal will keep it out. Just one coat to exposed areas waterproofs them instantly. Suitable for roofs, gutters, brickwork and many other surfaces. LeakSeal can be applied even in damp conditions. And no worries if it rains immediately after application – it will have no adverse effect. If you have a leak, LeakSeal will fix it – and keep it fixed for a long time to come.

  • Waterproof results, apply leak sealant paint to affected area to instantly seal any leak on your roof gutter and drainpipe from water getting in. Roof leak sealer repair paint for leaks and cracks.
  • Easy application with just one coat, no primer needed & can be applied to damp surfaces. Solution for emergency roof repairs and water leaks
  • For use on flat roofs pitched roofs, weathered asphalt, bitumen surfaces, felt shed roofs, gutters, drainpipes, concrete, brick, GRP, fiberglass roofs, felt roofs and metal roofing surfaces
  • Leak seal contains reinforced fibres that interlace to cover up small gaps or crack, giving durable and quick results

How To Use

Step 1 – Preparation:

  • Clear all areas of moss, lichen and debris by brushing or power washing and remove surface water and any contamination such as Oil or Grease and allow to dry.
  • If required apply FungiSeal to prevent further fungal/algal growth.
  • Most roofing substrates to be treated will not normally require priming.

Step 2 – Application:

  • To the dry and cleaned surface, apply a generous coat of LeakSeal by brush or roller, at the minimum specified spreading rate as stated in the technical specs section.

We Don't Recommend

  • Walkways
  • Balconies
  • Timber surfaces
  • New and aged PVC
  • Plasticised PVC (Plastisol)
  • Internal use

Technical Specs

Interior/Exterior Usage Exterior
Coats Only 1 coat required.
Application Method Brush & Roller
Type Acrylic Solvent Based
Coverage
  • 500ml covers up to 0.5m²
  • 1 Litre covers up to 1m²
Drying Times At 5°C-25°C
  • Instant Protection
  • Touch Dry: 3/4 hours
  • Fully Dry: Up to 6-7 days depending on temperature, thickness of coating.
Minimum Application Temperature 5°C
Shelf Life Up to 2 years if stored correctly in an unopened container.

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Downloads

Product Datasheet

Product Safety Datasheet

Questions & Answers

Hi, No LeakSeal is toxic to fish.
Hi, Yes it will work on both surfaces. Please make sure the surface is clean and dry before applying.
Hi, Yes LeakSeal is ideal for this type of gutter, windows and pipework.
Hi, Yes it can be applied to fibreglass. Please make sure the surface is clean and dry for best results.
Hi, yes or you can use BitumenSeal which is a water-based version and is more flexible

Reviews

5/5
Protection

Purchased this product to treat Victorian cast iron gutters, after removing any scale inside the gutters I applied the paint,
however I thought it was too thick after opening the paint, but found it went on a treat, the thicker its applied the more the gutter became waterproof even the joints, a first class product, would buy again if ever needed.

5/5
Highly recommended

Following the recent storms, my felted flat garage roof began to leak. Although I couldn’t actually see any obvious cracks or holes I knew it was somewhere in an approx 6 feet square area adjacent to the where the garage roof meets the house wall. I ordered the clear version which arrived within two days. When the rain stopped and the roof had dried enough that there was no puddling I used an old three-inch paintbrush (this was thrown away afterwards) and wearing disposal gloves I painted the whole area paying particular attention to seams and along the joint where the roof and wall meet. The best way to describe the product is that it’s like painting with runny honey. Its consistency is not so runny that it runs off any vertical but just enough for it to settles into any cracks or rough surface, almost like a levelling compound. I used about half a tin. Within a couple of hours, heavy rain occurred. Amazingly no leaks. The instructions state it can be used on damp surfaces and is waterproof within seconds of application although full hardening takes several days. Brilliant.

5/5
Did what it said on the tin

I have used it to seal joins in the metal roof of my new metal shed. The roof panels overlap and when it rained they let water in through the overlap joints. The Polar Clear roof sealant paint works perfectly, is not visible because it is clear, and has done the job of sealing the roof.

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