ProPERLA Water Repellent is a clear, one-coat waterproofing treatment for mineral roof surfaces, developed using cutting-edge German technology.
It forms a super hydrophobic, breathable barrier that repels water, prevents moss and algae growth, and keeps roofs clean and attractive — all without changing the appearance of your roof.
Suitable for: clay, concrete, terracotta, natural stone, slate, fibre cement, and more.
The product enhances the durability and appearance of buildings without altering their natural look. Long-lasting and easy to apply, ProPERLA Water Repellent improves energy efficiency and reduces maintenance needs.
it’s an eco-friendly, reliable solution for keeping homes dry, clean, and protected for years.
✔ For all mineral roof surfaces
✔ One-coat clear application
✔ Super hydrophobic surface – Lotus Effect
✔ 10-year guarantee with 25-year proven lifespan
✔ Highly breathable system – SD value: 0.03
✔ UKAS tested and certified
✔ Prevents moss, algae, lichens, and salt efflorescence
✔ Self-cleaning – water and dirt simply run off
✔ Helps retain thermal insulation in roofing materials
✔ Unaffected by UV, extreme weather, and sea air
✔ Extends roof lifespan and reduces maintenance
ProPERLA Water Repellent creates a surface that mimics nature — like a lotus leaf, water beads up and rolls off, taking dirt with it.
Prevents water from penetrating into tiles
Stops moisture from weakening the structure
Keeps tiles dry, clean, and durable
Scientifically proven: Water contact angle >150° – this is extreme water repellency in action.
Unlike traditional roof sealers that trap moisture, ProPERLA allows your roof to breathe naturally.
Rated SD 0.03 – far below the breathability threshold (0.50)
Allows trapped moisture and condensation to escape
Prevents damp buildup under roof tiles
Maintains insulation properties of dry materials
Reduces risk of frost damage and structural decay
Did you know? Just 5% damp in a building material can cut its insulation performance in half.
ProPERLA Water Repellent has undergone rigorous independent testing by UKAS accredited body Lucideon and meets:
✅ EAD 040287-00-04:2018 – Proven 25-year performance
✅ EN1504-2:2005 – Tested for depth of penetration, water absorption, drying rate, and more
Enjoy complete peace of mind with a 10-year manufacturer’s guarantee, and tested performance for over 25 years. No need to reapply every few years like many other roof tile sealers.
Learn more about the products scientifically proven to protect your property:
