Waterproofing for roofs, terraces, and facades
A liquid waterproofing membrane forms a continuous layer, without overlaps or joints, which is precisely where asphalt felt fails. Here you will find products for walkable and non-walkable roofs, terraces, buried walls, tanks, and humidity treatment.
Choose according to where you will apply
| Situation | Typical product | Key |
|---|---|---|
| Non-walkable roof | Acrylic or elastic rubber | Light colors: reflect and lower temperature |
| Walkable terrace | Polyurethane | Resists foot traffic; add anti-slip aggregate |
| Buried wall | Cementitious mortar | Allows negative pressure |
| Facade | Water repellent or siloxane | Repels water but allows breathability |
Where waterproofing always fails
Leaks almost never appear in the middle of a panel. They come out through singular points, and that's where you need to reinforce with mesh or elastic tape embedded between two coats.
- ✓ Junctions of the floor with the parapet or wall (cove base).
- ✓ Drains and gutters: overlap the product towards the inside of the downpipe.
- ✓ Expansion joints and active cracks.
- ✓ Pipe penetrations, railing anchors, and antenna bases.
- ✓ Check for proper slope. Standing water will destroy any system.
Application and consumption
- 1 → Pressure wash and let dry. It won't adhere to damp or dirty surfaces.
- 2 → Prime if the substrate is porous or powdery.
- 3 → Reinforce singular points with mesh before the general layer.
- 4 → At least two crossed coats. Thickness is what waterproofs, not the number of thin layers.
- 5 → Expect an estimated total consumption of 1–1.5 kg/m², more on rough surfaces. Don't stretch it: that's the most common mistake.
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-32%henkelRubson SL3000 Aquablock Liquid Silicone
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-21%FILAFila FOB Xtreme — Invisible Extreme Hydro-Oil Repellent for Natural Stone, Marble, and Terracotta
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64.52 € 110.78 €64.52 €64.52 € 110.78 €In stock, ready for dispatch -
-29%FILAFila Hydrorep Eco — Ecological Water-Based Water Repellent for Natural Stone, Brick, and Facades 1L and 5L
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-16%FILAFila MP90 Eco Xtreme - Premium Protector for Marble, Granite, Porcelain Stoneware and Countertops 1L and 5L
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-40%JUNOJuno Stain-Blocking Spray Paint 500ml
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-20%KERAKOLLKerakoll Nanoflex No Limits Flexible Adhesive 20 kg — Nanotechnological and waterproof, for swimming pools and ventilated facades
Flexible adhesive for swimming pools, terraces, and ventilated facades Kerakoll Nanoflex Sin Límites is a flexible cementitious adhesive with nanotechnology...
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-28%BeissierAnti-Humidity Restoration Mortar BME 4508 Beissier — Eliminates Rising Damp
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59.29 € 83.49 €59.29 €59.29 € 83.49 €In stock, ready for dispatch -
-18%StockpinturasInvisible Facade Water Repellent Collak
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From 10.03 € 12.31 €10.03 €10.03 € 12.31 €In stock, ready for dispatch -
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From 9.98 € 17.55 €9.98 €9.98 € 17.55 €In stock, ready for dispatch -
-30%Titan ProTitan Pro I5 — Walkable Acrylic Anti-Drip Coating for Rooftops and Terraces
Titan Pro I5 is Titan Pro's acrylic anti-leak coating — an elastic and walkable waterproofing solution for terraces, flat roofs,...
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