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Polycell Damp Seal Aerosol 500ml - White

Polycell Damp Seal Aerosol 500ml - White

Polycell Damp Seal has been specially formulated to seal patches of penetrating damp on interior w...

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eBayPolycell One Coat Damp Seal White Paint Aerosol 500ml
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Power Tools DirectPolycell White 5084978 Damp Seal Aerosol 500Ml
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Blueperry agriculture (UK)Polycell White One Coat Damp Seal Paint Aerosol 500Ml 5084978
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OnBuy.comPolycell 5084978 One Coat Damp Seal Aerosol 500Ml 5010212505847
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Rapid Online - Rapid Electronics Ltd.Polycell 5084978 Damp Seal Aerosol 500ml
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£17.14
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Product Information

Full details

Polycell Damp Seal is designed for homeowners looking to quickly conceal penetrating damp stains on interior walls and ceilings. Its key benefit is providing a one-coat solution that acts as a barrier, preventing stains from showing through paint or wallpaper. However, it's important to note that this product seals the surface and does not treat the underlying cause of dampness, which should be addressed separately.

All features

ColourWhite
Model Part Number5084978
BrandPolycell

Extended Product Information

FAQs

Can I use Polycell Damp Seal on exterior walls?

No, Polycell Damp Seal is formulated for indoor use only and is not suitable for exterior applications.

Does this product fix the cause of dampness?

No, Polycell Damp Seal is a surface treatment designed to seal and hide damp stains. It does not address or fix the underlying cause of dampness, which needs to be treated separately.

How long does it take to dry?

The product is touch dry in approximately 4 hours, depending on conditions. For best results and before overcoating or wallpapering, allow it to dry fully, typically overnight (recoat after 24 hours).

What surfaces can I use this on?

It is suitable for use on plaster, cement, stone, and brick surfaces.

Can I paint or wallpaper over the Damp Seal?

Yes, the matt white finish is designed to be over-painted or wallpapered once fully dry.

What should I do if I get overspray on surrounding areas?

It is recommended to mask surrounding areas before application. If overspray occurs, clean it off immediately while wet using appropriate cleaning methods for the surface.

When should I avoid using this product?

Avoid using Polycell Damp Seal at ground level, where efflorescent salts are present, or on surfaces experiencing significant condensation issues.

Troubleshooting

Nozzle is clogged and won't spray.

Turn the can upside down and spray for a few seconds to clear the nozzle. Ensure you clean the nozzle immediately after each use as per the instructions.

Damp stain is still visible after one coat.

For heavier damp patches, a second coat is recommended. Ensure the first coat is completely dry before applying the second.

Product is not adhering to the surface.

Ensure the surface is clean, dry, and free from dust, grease, or loose particles. Surface preparation is crucial for proper adhesion.

Product runs or drips excessively.

Apply in thin, even coats from the recommended distance (20-30cm). Avoid spraying too heavily in one spot. Ensure the can is held upright.

Pros and Cons

Pros

  • Quickly hides damp stains with a single coat.
  • Acts as a barrier against stains reappearing.
  • Provides a paintable or wallpaperable surface.
  • Suitable for various common interior wall materials.
  • Aerosol application allows for easy and even coverage.

Cons

  • Does not treat the source of dampness.
  • Not suitable for use at ground level or where efflorescence is present.
  • Requires a well-ventilated area for application.
  • May require a second coat for heavier damp patches.
  • Cannot be used on surfaces with condensation issues.

Setup, Compatibility & Care

Surface Preparation: Before application, ensure the wall or ceiling surface is clean, dry, and free from loose particles, mould, or mildew. Remove any existing wallpaper or loose paint. For a smooth finish, fill any cracks or holes with an appropriate filler, such as Polycell Polyfilla, and sand down the area. Mask off surrounding surfaces to protect them from overspray.

Compatibility: Polycell Damp Seal is suitable for use on plaster, cement, stone, and brick surfaces. It is intended for indoor use only and should not be used where condensation is a problem, at ground level, or on surfaces with efflorescent salts.

Application: Shake the can vigorously until the steel pellet rattles, then continue shaking for one minute. Hold the can upright and spray evenly over the damp patch from a distance of 20-30cm. Allow the first coat to dry fully. For more significant damp patches, a second coat may be beneficial. Allow at least 24 hours between coats and before decorating.

Tool Cleaning: To prevent the nozzle from clogging, immediately after use, invert the can and spray for a few seconds until only clear propellant emerges. Store the can in a cool, dry place, away from extreme temperatures and frost.

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