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ProPERLA Water Repellent

A clear roof tile sealer waterproofing treatment offering long-term protection for roofs.

A one-coat super hydrophobic advanced clear roof tile sealer for all mineral building surfaces such as clay, concrete, terracotta, natural stone, slate, fibre cement, etc. This comes with a 10 year manufacturer’s guarantee.

Key Features

  • For use on mineral surfaces such as concrete, clay, slate and terracotta
  • Manufactured in Germany
  • Developed utilising the very latest superior technology
  • Super hydrophobic treatment
  • Undergone UKAS accredited testing
  • Comes with a 10 year manufacturers guarantee and a 25 year life expectancy
  • Highly breathable system unlike traditional roof sealers
  • One-coat clear protection
  • Creates a self-cleaning surface
  • Extends the life span of all mineral building surfaces, including roof tiles

Clear roof tile sealer

Interested in our products? Simply call 0161 763 7074 to purchase.

rosetteProduct Guarantee

ProPERLA Water Repellent comes with a 10 year manufacturer’s guarantee which means there is no need to re-apply every few years, which can be the case with many roof tile sealers.

Interested in this product? Simply call 0161 763 7074 to purchase.

Super Hydrophobic


A surface is considered super hydrophobic if a water droplet beads up (with a contact angle greater than 150°). Super hydrophobic surfaces repel water, causing it to form beads because it is more attracted to itself than the surface. This means water will run off the surface making it extremely difficult to wet.

This is known as the ‘lotus effect’ due to its similarity to the lotus leaf but is also seen on duck feathers and butterfly wings.

Mineral surfaces like roof tiles that are coated with ProPERLA Water Repellent respond in the same way, resulting in water forming droplets and running off the substrate without penetrating the surface.

Breathable

protect-from-penetrating-damp
Roof tile sealers often refer to a waterproofing treatment that ‘seals’ the surface, creating a waterproof film on the roof tiles. ProPERLA is so effective as it does not have a restriction on the ability of the building or roof of the property to allow air and moisture to escape and breathe out. ProPERLA Water Repellent benefits from an SD (breathability rating) of 0.03. A coating is considered to be breathable if it has an SD value of 0.50.

A breathing roof will improve it’s insulation properties. Just a 5% content of damp in building materials can lower the thermal resistance by up to 50%. If a roof tile sealer cannot breathe, a build up of moisture will occur underneath the surface, leading to irreparable damage to roof tile.

Keep The Property Clean & Attractive

The superior technology of the clear roof tile sealer mimics the lotus leaf, repelling dirt and water to give a super hydrophobic effect, making roof tiles self-cleaning.

  • Dirt particles are unable to obtain a hold on ProPERLA treated surfaces and will simply flow off with rainfall.
  • Helps to prevent discolouration and salt efflorescence
  • Makes it difficult for the growth of algae, lichens or moss on the roof tiles
  • Slows the ageing or breakdown of the surface of the building or its tiles

The tiles remain clean and attractive, even where they are exposed to extreme weather conditions including shade, high air humidity or sea salt penetrated air. Furthermore, ProPERLA Water Repellent is completely unaffected by UV rays.

Proven Performance

Roofing that was been coated with the waterproof roof paint

ProPERLA Water Repellent has undergone independent tests by UKAS certified body Lucideon and has been proven to meet the following standards;

  • EAD 040287-00-04:2018 – 25 year performance

Similarly, the roof tile sealer has been tested and certified in accordance with EN1504-2 : 2005, confirming depth of penetration, water absorption, resistance to alkali, drying rate and thermal conductivity.

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Application

ProPERLA Water Repellent is a one-coat system.

Surfaces less than one year old may be coated with minimal preparation.

Older surfaces must first be cleaned thoroughly with a pressure washer before treatment and prepared with ProPERLA cleaner.

Full instructions on how to apply ProPERLA Water Repellent can be found in the Datasheet, available to download above.

For more information on this product, simply call 0161 763 7074.

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