Ondutis films: overview of branded steam and waterproofing for the roof

The solution for your roof may be Ondutis films if you’re trying to shield your house from the weather. These reputable products are made to increase the lifespan and durability of your roof by providing a dependable solution for steam and waterproofing needs. Knowing these specialized films can help you maintain a dry and safe environment whether you’re building a new home or renovating an existing one.

Ondutis films are designed with cutting-edge materials to offer superior steam and waterproofing performance. They serve as a shield from moisture, keeping it out of your house and away from potential damage. This protection is essential, particularly in areas that experience seasonal variations in humidity or are subject to heavy rainfall. Homeowners can reduce their risk of mold growth, structural decay, and other problems related to water infiltration by installing Ondutis films.

The long-term dependability and longevity of Ondutis films is one of their main benefits. These products are made to endure a variety of weather situations, including exposure to UV rays, without breaking down. Because of its resilience, your roof will stay safe for many years after it is installed, saving you money on maintenance and prolonging the life of your roofing materials.

Ondutis films are a practical option for both professionals and do-it-yourselfers because they are also simple to install. Their flexibility and light weight make installation easier and enable seamless application on various roof types. Because of its accessibility, homeowners can improve the performance of their roof without requiring significant construction work or specialized knowledge.

Briefly about the manufacturer

The French business Ondura Group is the owner of the "Ondutis" brand. It is more well-known in Russia and the rest of the world for its flagship product, ondulin, a bitumen-cellulose wavy roofing material.

The ONDURA Group is an attempt to unify the company’s various directions under a single umbrella brand. Actually, though, the manufacturer has been around for more than 70 years; its first factory production plant opened its doors in France in 1950.

The company has only ever used one strategy, which was to provide private developers with acceptable-quality, but less expensive, material. Although the strategy is straightforward, it has proven to be incredibly successful over time, as evidenced by the ONDURA Group’s current ownership of 13 factories and operations in 32 countries.

What does this signify in terms of the movies "Ondutis"? Everything is straightforward: while this material isn’t the cheapest on average, it is still within the budget range, and certain species are even more affordable than others. The Ondutis film outperforms most competitors in a comparable price range in terms of "price/characteristics/durability," but you shouldn’t anticipate the same level of protection from them as Tyvek provides. These materials range in quality.

The OnDura Group produces in Nizhny Novgorod, Russia. The majority of "Ondutis" roofing films are manufactured there, which accounts for the low cost. However, imported materials are available for purchase. Although they cost a little more, it is preferable to select just these kinds of movies when building permanent homes.

What does the inscription Smart mean at the ondutis films?

Ondutis has developed new hydro- and vapor barrier films under the SMART class. The adhesive strip required to seal the joints between adjacent rolls is already applied along the canvas’ edge in these films and membranes. You can watch the video below to see how it operates.

"Ondutis" R Termo

Polyester fiber-based foil vapor barrier with three layers. "Ondutis" R Termo has a combustibility class of g3, so it cannot be classified as non-combustible material like the other films. However, its properties remain unaltered even at temperatures as high as 120°C. As a result, hammams, saunas, and baths can all use this vapor barrier.

The Ondutis film’s internal aluminum spraying allows R Termo to contribute to the home’s increased energy efficiency. Using the same heating mode, the foil layer reflects heat back into the space, raising its temperature by roughly 2 °C. However, a tiny space of 20 to 50 mm must exist between the "Ondutis" R Termo’s reflecting surface and the interior décor in order for the film to function as additional thermal insulation.

In this article for "All about the Roof," we examine Ondutis films, a well-known manufacturer of steam and roof waterproofing products. These cutting-edge films are made to effectively block moisture, improving the resilience and longevity of roofs. We’ll explore the operation of Ondutis films, their main advantages for contractors and homeowners, and their useful applications in different types of roofing projects. Gaining knowledge about Ondutis films can assist you in making well-informed decisions regarding roof construction and maintenance, regardless of whether you’re seeking dependable solutions for commercial buildings or want to shield your home from moisture."

Universal films "Ondutis"

The RS and RV series’ "Ondutis" film can be used to waterproof the roof in addition to acting as a vapor barrier. These films can be used as a temporary roof because they have a UV stabilizing additive and a protective coating. Just up to 1.5 months, though, is not long.

"Ondutis" RS: This is a reinforced plastic film. It is very easy to install and quite strong to break. joined to the roofing emblem.

UV protection is provided by "Ondutis" D (RV) strong polymer fabric laminated from above. It is simpler and, in spite of the absence of reinforcement, stronger than the "Ondutis" RS: the standard test indicates that the breakdown load on striped 50 mm wide for the "Ondutis" d (RV) is more than twice as high as… However, this movie costs more money.

When installed as waterproofing for a metal roof, both varieties of universal film "Ondutis" work particularly well, particularly if the roof is unsilled. It is not sensible to use pricey diffusion membranes in this situation. On the other hand, the universal film will not only prevent leaks in the attic but also lessen the quantity of steam that enters the space and settles on the inside of the metal roofing sheets.

Waterproofing roof film "Ondutis"

Two different kinds of films represent the waterproofing "Ondutis":

  • classic wind and hydraulic protection;
  • diffusion membranes.

Since all of these films generate some amount of steam that escapes the room, they cannot be used in theory to set up a vapor barrier.

Classic waterproofing

These are "Ondutis" A (100 and 120) non-woven films. These materials effectively prevent the insulation from becoming wet because of their high vapor permeability (more than 3,000 g/2 per day), which prevents water vapor from condensing inside the thermal insulation layer.

A100 And A120 "Ondutis" They are mostly utilized in ventilated facades and insulated wall construction. If the roof’s slopes aren’t too gentle, you can also place them there. The minimum slope angle for Ondutis A100 is 40 °, and for A120 it is slightly less at 35 °.

Although the "Ondutis" A120 contains a UV-stabilizing additive, the films in this series are not suitable for use as a makeshift roof. They need to be promptly sealed with roofing material after being fastened.

Diffusion membranes

For modern roofs, diffusion and superdiffusion membranes have taken the place of traditional waterproofing films. Diffusion membranes effectively produce water vapor while perfectly delaying water, in contrast to a traditional hydraulic tank.

Given that there are not entirely tight vapors, this is significant. Among those utilized in private construction, anyhow. As a result, it’s possible that steam will seep into the insulation and build up there, becoming "locked" with the waterproofing. When diffusion membranes are used in a roof pie, this is not possible because of their rapid absorption of steam. Naturally, that is, if the material is laid correctly.

SA115 and SA130 are the two varieties of diffusion membranes manufactured under the Ondutis brand. Their high vapor permeability (above 1000 g/m2 in a day) allows them to be used for 60 and 90 days, respectively, as a temporary roof covering.

One may refer to "ONDUTIS" SA115 as a budget diffusion membrane. The material is marketed by the manufacturer as a way to waterproof country homes’ roofs. A non-woven web of polypropylene gives the membrane strength and protection on both sides.

The three-layer, stronger superdiffusion membrane known as "Ondutis" SA130. Additionally, because of the higher concentration of the stabilizing UV number, it has a longer service life and greater resistance to light. As a result, the manufacturer suggests using it on residential roofs.

Near the insulation, the "Ondutis" membranes are affixed with the logo facing outward. In addition, a ventilation gap between them and the roofing is necessary to remove moisture from the canvas’ surface.

A dependable way to increase a roof’s resilience to weather and durability is with ondutis films. These branded films offer a barrier of defense against moisture and outside factors and are especially made for steam and waterproofing. Ondutis films help stop leaks and structural damage that can result from exposure to rain, snow, and humidity for an extended period of time by effectively sealing roofs.

The versatility of Ondutis films in terms of application is one of their main advantages. They are appropriate for a broad range of architectural styles and climates because they can be used on both pitched and flat roof surfaces. Because of their versatility, Ondutis films can be relied upon by builders and homeowners alike, regardless of their unique roofing requirements.

Ondutis films are renowned for being simple to install in addition to their many uses. Because of this, they are a popular option for both skilled roofers and do-it-yourselfers who want to extend the life and functionality of their roofs. The simple installation method offers strong resistance to moisture infiltration while reducing labor expenses and installation time.

All things considered, Ondutis films offer a contemporary response to the age-old problem of shielding roofs from water damage. By guaranteeing that their roofs will be sturdy and resistant to the elements for many years to come, these films provide building owners and homeowners with peace of mind through their superior materials and clever design.

Video on the topic

Installation of vapor barrier and wind protection onDutiss on attic overlap

What are the film ondutis, how they are produced, for which they are needed

Installation of the superdiffusion membrane and vapor barrier of the ONDUTISS on the insulated roof with one ventilationzor

Hydr-paralois-isolation film Ondutis D Smart RV 75M2 with mounting tape

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Alexandra Fedorova

Journalist, author of articles on construction and repair. I will help you understand the complex issues related to the choice and installation of the roof.

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