How a Polyurethane Waterproof Coating Works
Polyurethane waterproof coating is a type of coating that is applied to a surface to keep it watertight. It is an ideal solution for leaks, cracks, and water damage; it also has added benefits. The flexibility of the material ensures that the coating can move and shift with normal building movement without breaking or letting water in.
The ability of the material to contract and expand with temperature changes and structural movement means that it does not lose its waterproof properties at all, contrary to what would happen with paint.
Best Uses for Polyurethane Waterproofing
Polyurethane waterproofing is ideal for spots that are continuously wet or heavily used.
- Roofs: Forms a continuous barrier that shields against rain, UV, and thermal expansion.
- Basements and Foundations: Stops moisture and water from getting into concrete through the walls and the floors.
- Balconies and Decks: Weather-resistant outdoor coating, with flexibility preserved.
- Factories and Industrial Floors: Abrasion-resistant and impervious to chemical and moisture attacks on warehouses, factories, and commercial floors.
It is very flexible, which also makes it suitable for both renovation-work projects and brand new building constructions.
Proper Application of Polyurethane Coating
Proper surface preparation is of primary importance for a coating to adhere strongly and durably to the substrate.
General steps of coating application are:
- Fix up cracks, holes, or broken concrete parts.
- Prepare the concrete surface by removing dirt, grease, and old materials.
- Apply a compatible undercoating if necessary.
- Brush, roller, sprayer, or another method to cover the area uniformly following the manufacturer’s instructions on the coating.
- Wait until the cured film is ready to be walked on.
Small and easy-to-handle coating jobs can be done by knowledgeable do-it-yourself enthusiasts. But large roofs, commercial floors, and waterproofing of foundations generally require the expertise of a professional contractor to properly cover the surface and provide lasting protection.
FAQs
Where can you apply polyurethane waterproof coating?
A waterproof polyurethane coating is applicable as a shield against water penetration to roofs, basements, balconies, decks, and concrete substrates. It forms a watertight, flexible layer that prevents water ingress, moisture damage, and cracking, while preserving the integrity of the structure for a longer time.
What is the life span of polyurethane waterproofing?
Proper installation followed by regular maintenance enables polyurethane waterproofing to serve for 10 to 20 years or even longer, depending on factors like the type of coating, surface preparation, climatic conditions at the site, exposure to weather, and the type of traffic over the area.
Which is a better floor coating, a polyurethane or epoxy?
In comparison, polyurethane can be preferred as a floor coating in spaces where one is exposed to UV light, drastic changes in temperature, and heavy foot or vehicle traffic. Although epoxy is one of the best in terms of hardness, polyurethane coatings are better at resisting shock, wear and tear, and their performance under extreme conditions is quite reliable over the years.
Apply Polyurethane Waterproof Coating from Sealbond
Sealbond brings high-quality polyurethane waterproof coatings that are the ideal solution for sealing roofs, basements, concrete floors, and any other areas exposed to moisture. With Sealbond, you’ll get a reliable waterproofing product of long-lasting durability. Contact us to let us know which solution would suit your next project best, so you can enjoy waterproofing that won’t crack under pressure, even many years later.
