May 1. 5.
April 17. 4.
Purbox is an under-mounted box designed for the installation of outdoor blinds. It creates a structurally prepared space above the window into which the blind is fitted. At the same time, it solves the connection to the insulation and the final…
January 23. 1.
Shading is not just a summer feature — it’s a smart, dynamic solution that improves comfort and helps reduce energy use all year round. In winter, it lets you benefit from free solar gains during the day and retain indoor heat in the evening, while…
In this article, we will guide you through the most common installation scenarios, explain the differences between concealed and surface-mounted solutions, and provide you with practical check points that most often determine whether your blinds…
December 18. 12.
In this article, you will learn step by step how screen blinds work, where they fit, how to prepare the building so that the installation goes without complications, and what not to underestimate when installing them.
November 27. 11.
The lintel above the window is one of the riskiest areas of the entire building envelope. It is a detail that meets high demands on statics, thermal insulation and the correct installation of external shading. If you make a mistake here, it will…
December 16. 12.
Exterior shading elements are now a standard part of homes, office buildings, public and industrial buildings. From an aesthetic and practical point of view, a sub-panel option is often chosen, as the added boxes on the façade are less attractive.
September 29. 9.
The little things that make a huge difference are often forgotten during construction or renovation, and mounting pads are one of those little things that are often forgotten. In this article, we'll look at their features, practical uses and the…
August 26. 8.
There are many new materials on the market today and one of them is purenite. And the question of its flammability is one of the ones that people often ask. Does it burn? Is it safe? And why is it so widely used in modern construction?
July 22. 7.
Purenit is a material that stands out among other solutions due to its properties. So why is purenit the ideal material for outdoor blind boxes? You will find out in this article.
June 3. 6.
A thermal bridge is a point in a building structure where heat transfer is significantly higher than in its surroundings. In layman's terms, heat escapes through this point and cold enters through this point.
May 28. 5.
Are you looking for a durable material that can handle moisture, heat, and mechanical stress while maintaining its shape and functionality over the long term? One such material is purenit.
April 10. 4.
ISOparts s.r.o. has again this year joined a charity initiative to support disabled citizens. In this event, organized by the Association of Shading Technology Entrepreneurs (SPST), the members of the association decided to contribute funds to help…
March 14. 3.
<p>Are you not interested in a contact insulation system or do you intend to use it only to a limited extent? Do we have a solution for you to use PURbox for these cases as well?</p><p>In this article, we will present a practical…
March 21. 3.
One of the simplest and most effective solutions for reducing the energy consumption of buildings is smart shading technology. Its importance will be highlighted by Global Shading Day 2025, which will take place on March 21.
March 4. 3.
In 2025, we introduced a new type of flush-mounted box for exterior blinds, the PURbox PBI20, to our customers. Until now, we have produced this type of box as an atypical solution. We have thus expanded our group of purenit boxes with insulation.
February 16. 2.
The PURbox lintel is a modern structural building element that serves to create space for exterior shading in the lintel area. This element is ideal for buildings without a contact thermal insulation system (ETICS) and can be easily adapted to most…
From the Association of Manufacturers of Shading Technology and its Parts (SVST), our company has received the Verified Company in Shading Technology certificate for 2025, which is awarded to technical companies that are a verified and reliable…
December 20. 12.
Od Sdružení výrobců stínicí techniky a jejích částí (SVST) získala naše firma pro rok 2022 certifikát Ověřená firma v oboru stínicí techniky, který se uděluje technickým firmám, které jsou ověřeným a spolehlivým dodavatelem stínicí techniky. Co…
February 10. 2.
Electrical preparation must be carried out before the implementation of the KZS. The advantage of the purenit box is that we can drill the penetration anywhere in the right part of the box without disturbing its properties.
Since September 2024, we have had the PURbox ® trademark registered for our products (the system of concealed Purenit boxes).
January 16. 1.
Correct window installation and precise insulation are key to ensuring the thermal insulation properties of a building. One innovative material that is increasingly being used in this area is purenite. This modern material brings a number of…
October 17. 10.
PURbox is made of purenit structural board and PIR insulation. Both materials fall into the category of duroplastic materials (does not burn, does not melt, does not drip).
October 9. 10.
The foundation profile or the mounting U profile (as it is sometimes also called) is an important element for the installation of purenit flush-mounted boxes. By being mounted in the frame of the window frame, it ensures the horizontal flatness of…
October 2. 10.
We use PIR insulation for purenite boxes. It is 42% more effective than polystyrene and 71% better than mineral wool. In addition, it meets the demanding requirements placed on the materials used in the facade and especially around the windows. It…
September 20. 9.
Isoparts s.r.o. was pleased to participate in the prestigious conference "Shading technology in residential buildings", which took place on Thursday 19 September 2024 at the FOR ARCH fair in Prague PVA EXPO Letňany.
October 16. 10.
Concealed purenit boxes are an effective and aesthetic solution for installing exterior blinds, which not only improves the appearance of buildings, but also ensures their energy efficiency and longevity. Purenit boxes prove to be an ideal choice…
July 10. 7.
R+T, the world's leading trade fair for blinds, gates, gates and sun protection systems, attracted experts from all over the world from 19 to 23 February 2024. It was held at the Stuttgart exhibition grounds, and is visited by tens of thousands of…
April 20. 4.
The depth of the purenite box is a parameter that depends on the type of slat of the outdoor blind and the type of purenite box chosen.
February 21. 2.
In this article we look at the basic variants of purenite boxes that are used. Purenite boxes are one of the most effective concealed systems for installing exterior blinds.
In today's world, where saving energy and minimising environmental impact is increasingly important, creating sustainable and energy efficient buildings is in high demand. Breaking thermal bridges is one factor that plays a significant role in this.…
June 27. 6.
One of the breakthrough discoveries on the market is purenite. Check with us what purenit is and what its advantages are for your construction project.
May 31. 5.
Do you plan to shade windows with screen blinds? We recommend purenite boxes for storing them. In the following article we will explain why you should go for this option.
April 28. 4.
Purenite boxes are a modern construction element that provides an ideal technical solution for shading technology. What types of socket boxes are there and where do they find use everywhere?
March 22. 3.
A growing percentage of the population is becoming aware of the undesirable effects of the sun (UV radiation). Therefore, shading technology is gradually becoming indispensable to protect buildings against overheating, reducing the use of energy…
March 20. 3.
Obecně zde platí pravidlo, že když je nabídka až podezřele levná, nemusí být z dlouhodobého hlediska vůbec finančně výhodná. Proč se jako investice vyplatí právě purenitové boxy jsme pro vás sepsali v tomto článku.
January 30. 1.
Purenite boxes are one of the highest quality insulants for exterior blinds. Their installation is usually very simple and they are therefore the ideal solution for the installation of under-door blinds. One of the biggest advantages of purenite…
A thermal bridge is defined as a point in the building envelope where there is a significant leakage of heat (energy) from the building. It is usually addressed in energy-efficient, low-energy and passive buildings.
November 25. 11.
Window and door substrates are currently being prepared using modern materials that will support the thermal insulation properties of the house while also supporting heavy HS profiles. Purenit, a polyurethane-based processed rigid foam (PIR), has…
September 19. 9.
An alternative to standard subfloor profiles has been on the market for some time in the form of Purenit, which largely eliminates thermal bridges. Why has this material become so popular? That's what we look at in today's article.
Natural cavities and nesting sites for endangered bird species are gradually diminishing, but water boxes offer an easy way to help. Where do they fit in and how do they work? Are you a keen conservationist? Then you need to remember one thing.…
Thermal bridges are locations in a building structure where there is increased heat flow and therefore significant heat loss and leakage. A thermal bridge is easily recognized by the fact that the place is cooler to the touch. This is most often the…
September 11. 9.
The undeniable advantage of purenite boxes is their easy and quick installation. The boxes are made from purenite, a polyurethane-based rigid foam (PIR) product that has excellent thermal insulation properties. Purenite boxes are also long-lasting,…
Are you installing exterior blinds? Purenite boxes with special PIR foam insulation are the ideal undercounter solution to save time, money and space. In today's article, we'll break down the main benefits of purenite boxes and what a purenite box…
This year, our company was awarded the Verified Shading Technology Company certificate by the Association of Shading Technology and Parts Manufacturers (SVST), which is awarded to technical companies that are a verified and reliable supplier of…
Purenit from German brand Puren gives you an insulating alternative to spray polyurethane foam, which by its nature does not form symmetrical shapes and can look unaesthetic. Thanks to its excellent thermal insulation and other specific properties,…
Did you know that up to 40 percent of the heat from your home escapes through windows and doors? It's not just their incorrect seating or bad sealing, inappropriate, insufficient or too old insulation can also be to blame.
Whether you're planning on replacing windows and doors during a renovation or you're building a new house, you probably don't want to burn more than necessary. To avoid unnecessary heat loss, you need to carefully break any thermal bridges that are…
We've written a lot about Purenit's excellent thermal insulation properties, and we've also thoroughly discussed its function as the most suitable material for breaking thermal bridges around French windows, for example. Today we will take a closer…
Explore our range of exterior shading systems that combine modern design, functionality, and long-lasting durability. Choose a solution that fits perfectly into your project.
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