Roof felt paints (or rather liquid roofing felt coatings) are specialized products intended for waterproofing, protection, repair and renovation of roofs covered with felt felt. The properties of liquid roof coatings allow you to properly protect the roof against weather conditions, i.e. water, UV radiation, and thus extend the life of the roof. In this category you will find appropriate products and systems that will help you carry out work on the roof!
Protection and renovation of felt roof - waterproofing
Roofs made of roofing felt are exposed to weather conditions, which cause wear and tear of the roofing. Waterproofing a felt roof is extremely important. To provide your roof with long-term protection, you should use specialized products designed with such problems in mind. It is best to apply roofing felt coatings and paints immediately after laying the roofing felt on the roof. However, if this is not an option because the roof you want to protect is older, you can do it without any worries. Before applying paint, check the condition of the roof covering. Remember to fill in any gaps before painting the roof with roofing paint. You can easily apply special paints for roofing felt and bituminous shingles on a properly prepared substrate.
It is worth taking care of your roof and painting the roof every few years, according to the recommendations of the manufacturer of the paint or liquid coating you choose.
Most common problems and solutions
The most common problem on roofs covered with felt is leaking, which is why proper and effective roof waterproofing is so important. Critical places such as joints and flashings are often poorly made or leak over time. The location of the leak is usually difficult to locate - water entering in one place may flow out somewhere completely different. The ideal solution to these types of problems is to cover the roof with a liquid waterproof membrane. The coating is very easy to apply - with a roller or brush. A surface without any joints is created, which creates a tight waterproofing "bathtub". These coatings are characterized by extraordinary flexibility, thanks to which they work together with the substrate. Our offer includes liquid foils and membranes for waterproofing felt roofs:
Neoroof - a hybrid liquid acrylic coating, hardens under the influence of solar radiation, making it much more resistant to dirt adhesion after hardening.
The white color is certified to reflect sunlight - it reflects 88% of UV rays, significantly reducing the temperature on the roof and in the rooms below it.
Neoproof PU W-40 - polyurethane waterproof membrane, used when the highest mechanical and waterproof properties are required. It will be perfect for waterproofing a roof made of roofing felt.
The surface can be additionally reinforced with Neotextile , thus extending the durability of the coating up to 20 years.
A two-component, cold-applied polyurea waterproofing membrane for roofs, terraces or balconies. Rain-resistant after 1 hour of application. Prevents moisture absorption and seals. Resistant to UV radiation and mechanical damage.
Neoproof Polyurea R liquid roofing membrane is root resistant (according to CEN/TS 14416:2014 ) and certified for external fire resistance according to EN 13501-5 . Polyurea R is classified as Broof (t1) and has certified Cool Roof properties (Cool Material ).
NOTE: WATER-BASED PRODUCT. Choose temperature-controlled shipping to receive the product on the declared date, regardless of the weather. Standard shipments may be held due to temperatures below 5°C along the delivery route.
NOTE: WATER-BASED PRODUCT. Choose temperature-controlled shipping to receive the product on the declared date, regardless of the weather. Standard shipments may be held due to temperatures below 5°C along the delivery route.
Liquid roof waterproofing membrane cured with UV radiation. It can be used on all types of roof coverings, including roofing felt . The white coating perfectly reflects sunlight (as much as 88%) and reduces the temperature on the roof by up to 40% . Provides full sealing and resistance to weather conditions.
NOTE: WATER-BASED PRODUCT. Choose temperature-controlled shipping to receive the product on the declared date, regardless of the weather. Standard shipments may be held due to temperatures below 5°C along the delivery route.
One-component roof waterproofing for cold application. Recommended for roofs covered with felt , concrete flat roofs and metal roofs. Resistant to UV and mechanical loads. It creates a smooth, uniform waterproofing coating without joints, resistant to a wide temperature range from -40°C to +80°C . It has sun-reflecting and "cool roof" properties confirmed by the Cool Material certificate (white color).
Putty for joints and gaps. It works together with the substrate, is resistant to weather conditions and can be repainted. Recommended for flexible roof coatings.
Covering roofing felt with liquid membranes is not only a great way to provide waterproofing, but also to reduce the temperature of the roof and the rooms underneath it. Neoroof coating is certified to reflect sunlight - it reflects as much as 88% of them, which translates into lowering the temperature on the roof by as much as 40%! It is worth mentioning that repainting the roofing felt in other light colors will also reduce the temperature on the roof. So if for some reason we do not like the color white, we can choose, for example, gray or brick red. The effect will not be as spectacular as in the case of white, but compared to black felt you will definitely notice the difference.
Cold sealing of roofing felt - is it possible?
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The felt can be successfully cold sealed using liquid waterproofing membranes, e.g. W -40 or Neoproof Polyurea R. We apply the products with a brush, roller or spray. They do not require the use of a burner. If we know where the water is leaking, we can make local repairs. Often, however, water flows out in a completely different place than the actual leak. In this case, it is necessary to apply a coating to the entire roof. Covering the entire surface has additional benefits, such as a significant reduction in temperature on the roof and in the rooms below it.
What can you use to seal old felt?
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Instead of adding further layers of roofing felt or adhesive, it is best to seal the old felt with a liquid waterproofing membrane. You can choose a water-based, one-component product like Neoproof PU W-40 , or a two-component polyurea coating like Neoproof Polyurea R.
How to paint bituminous shingles?
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Bituminous shingles can be painted using the same systems as heat-sealable felt. We can choose from one of two systems: Neoproof Polyurea R - a two-component, solvent-based liquid polyurea membrane. The product is applied directly to the shingle, without priming. Neoproof PU W-40 - one-component, water-based polyurethane liquid membrane. The product is easier to use, but requires prior priming with the Revinex system primer.
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