All posts by Saimex

Saimex s.r.l. is an expert in the manufacture of quality fiberglass gratings that can be used in various production sectors, from transportation and mobility to petrochemicals. We have a technical department that will be happy to give you support in your projects and help you develop the product most in line with your needs.

Fiberglass gratings are characterized by:

  • Resistance to high temperatures, corrosive chemicals and impact
  • Insulating properties
  • Light weight
  • Structural properties similar to those of steel
  • Ability to support high loads

In addition, fiberglass gratings have a novelty: the addition of the UV9 additive, an excellent shielding agent, which can confer resistance to solar radiation, allowing the material to preserve its mechanical properties and characteristics over time. These pultruded profiles have low maintenance costs, do not need surface treatments, and can be cut or drilled directly on site using common tools for cutting or drilling.

Find out all the features of the fiberglass gratings we design and manufacture in our website to learn all the details of our business.

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The use of pultruded profiles is becoming increasingly widespread both for solutions in the private building sector and constructions in the aeronautical and petroleum sector. In all this it is useful to keep it together the advantages that can derive from choosing the pultruded profiles. They are now being used very extensively as solutions for replacing steel, in order to build shelters.

Whether small-sized shelters are built or much wider shelters have been chosen, such as those that can be seen in railway stations, the context does not change. For sure there is a substantial improvement in pultruded profiles that will be appreciated, as far as the resistance to atmospheric agents is concerned. This is essential to pursue overall efficiency, when designing a shelter which is by its very nature much exposed to the elements.

Among the advantages of pultruded profiles for the construction of shelters there is also lightness that can be appreciated especially if you opt for fiberglass profiles, about five times lighter than steel.

It should not be overlooked the possibility to manage everything, including a minor maintenance which will bring about a cheaper price. Furthermore, it is possible to choose a final colour easily. This is an important advantage for a shelter, a structure that should harmonize with the environment irrespective of its size, when using pultruded fiberglass profiles.

Steel has run its course with regard to many solutions, as well as the construction of shelters that can be set up thanks to pultruded profiles, keeping efficiency at the forefront, which ranges from a easier handling on the construction site to the possibility of managing the structure in the fastest and easiest way, without the need for all maintenance operations that it is instead required by steel.

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Pultruded profiles have been started to be used in the building sector for some time now, but also for the construction of infrastructures related to the oil and railway sector. Steel has been replaced by pultruded profiles, because their durability is longer, but also for whatever it may concern the lightness, the aesthetics and ease of management on the construction site. In this regard, it is good to specify something in relation to the cut mode of pultruded profiles.

When working on a construction site and there is the need of manipulating a pultruded profile by cutting or boring it, the reference to be considered are diamond blades. Having said this, a basic specification is necessary to understand how is it possible to handle pultruded profiles in practical terms and exploit all the advantages compared to steel, we can go deeper into the details of other technical specifications, by pointing out that pultruded profiles can’t be neither bent nor curved.

With a sigma under tension corresponding to 240 Mpa, pultruded profiles have been designed for specific calculation programs, always starting with orthotropic data. When speaking about technical features of pultruded profilesand cutting mode it’s important to remember their resistance when using diamond blades. At this regard it is possible to make reference to data corresponding to 3000 Mpa.

The pultruded profile is a brittle material for all intents and purposes,but able to withstand extreme temperatures. In this case it’s possible to have a range included between – 40°C and +180°C. When taking into consideration the thermal insulation, a peculiarity that determines the success of pultruded profiles compared to steel, it is possible to gain a full picture describing the revolution that the pultruded profile has been brought to many sectors with considerable advantages both for the work of designers and for the end user who has to bear the costs and for the environment.

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Designers dealing with the construction of aesthetic barriers must take into account various aspects. First of all the choice of materials. We also must think in the long term, opting for solutions that ensure good durability over time and can save with regard to the maintenance and handling on the construction site.

The interest towards sustainability and the need to optimize costs without sacrificing quality have determined the success of pultruded sheet piles that have been preferred for some time now by designers who would like to exceed the natural limits of steel, for example the major maintenance and an unpleasant aesthetics characterized by a need of bringing into play a double and even in some cases a triple chamber.

Thanks to their lightness and possible management without bringing into play excessive maintenance activities, pultruded sheet piles are suitable for this purpose. However, it is essential to choose the right sheet piles on the basis of various needs, in order to make the most of the potential.

The use of pultruded sheet piles is linked to a very wide range of sectors. Among requirements to be met, there is also the construction of aesthetic barriers, a situation in which pultruded sheet piles are also an advantageous opportunity of choosing the right colours.

Sheet piles can be used for insertions up to 6 meters for the construction of aesthetic barriers – contexts where it is not necessary to determine large bearing capacities. In this specific case, when speaking about pultruded sheet piles have been designed with the specific purpose of replacing sheet pilesmade of wood or PVC rather than of steel. Two materials that can be surpassed by the performance of light pultruded sheet piles, to be easily handled on a construction siteand excellent for the visual quality and harmonization with the surrounding environment for constructions so important.

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When speaking about pultrusion process and going into technical details, it is necessary to consider the thermosetting resins with which are impregnated reinforcing fibers placed into a pre-mould. One of the best-performing resin is certainly epoxy resin. What are the main characteristics of these thermosetting resins? It is worth remembering that cold reaction is among the most important characteristics. To understand specifically how the epoxy resin acts, it should also be noted that the formulated product is characterized by the presence of two components. More precisely we speak about a basic resin, known by the technical name component A and a hardened resin, known by the technical name component B.

The said resins, mixed together, create a vitrified polished layer. This can be managed choosing customized colours, an important advantage with regards to the construction of aesthetic barriers that have to be adapted to the environment at visual level in which they are inserted.

The advantage is directly linked to the use of epoxy resin rather than that of polyester and it should not be overlooked. Why is the first one preferred? For the simple reason that distinguishing physical features are higher and the reaction times are shorter.

The injection of epoxy resins which distinguishes the impregnation process of reinforcing fibers occurs in an open tank. Another possible solution is that of the direct injection process. To go into further details, we can remember that the said reinforcing resins are placed into a pre-mould, taking into account all the information relevant to the end profile.

After impregnation in an open tank reinforcing fibers are conveyed to the steel mould by a hauling process.

In all this, to improve the end result, a computerized system is adopted to monitor the process of polymerization in every single phase, including everything related to the moving phase of profile.

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The application of fiberglass profiles brings into play a very broad scope. When speaking about advantages given by fiberglass pultruded profiles both at high and medium load-bearing capacity, are part of many solutions, among which the choice of custom-made fiberglass profiles is included.

To give details on peculiarities in a clear manner, in this case we get into the field of railway infrastructure, considering the importance of installing safe electrical conduits, sustainable from an economic point of view and long lasting. Speaking about advantages given by the use of custom-made fiberglass profiles to produce electrical conduits, it means to remember first of all a low electrical conductivity, as well as lightness and stability.

These features represent a remarkable turning point in comparison with steel performance, a material which is still widely used within the private building, but also when it comes to production of electrical conduitsfor rail transport infrastructure and not only.

It is possible to make a qualitative leap with custom-made fiberglass profiles –cut with diamond blades to obtain the required sizes from time to time – and appreciate significant improvements of electrical insulation, but also from the point of view of corrosion resistance and atmospheric agents.

Therefore, custom-made fiberglass profiles are not only a guarantee of security for the entire electrical system, but also a solution allowing you to save more money, thanks to a useful life of the main material which is absolutely inconceivable, if you use steel.

Personalization of fiberglass profiles offers added value of which is impossible to ignore. When speaking about infrastructures of large sizes is essential to have the opportunity to work, taking into account details and customize elements of the electrical system, such as conduitsthat can be appreciated for their really interesting final result, when they are made of fiberglass profiles.

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The oil sector is a field where it is possible to put very interesting technical innovations in the foreground, exceeding traditional materials in quality which are outdated from the point of view of qualitative performances and service life.

How to innovate? Making use of pultruted profiles and fiberglass gratingsis a valid solution in this regard. Speaking about their role within the oil sector means considering a fundamental aspect in relation to sustainability of naval engineering feats that, since when pultruted profiles and fiberglass gratings began to be successful on the market, have been involved in a turning point with regard to resistance against corrosive agents, resistance against corrosive agents, ease of handling on a construction site and resistance against corrosive agents.

Before going into the details, it is useful to remember that fiberglass gratingsare particularly suitable not only for oil platforms, but also for desalination plants. These cases are connected to situations in which the excessive influence of corrosive agents makes difficult, if not impossible, the use of metallic materials.

Therefore, pultruted fiberglass gratings have become a very valid solution to overcome obstacles and save considerably from the point of view of maintenance costs. This implies an expenditure optimization.

When dealing with extremely high load capacities – in general higher than 2,000 kg – is necessary to make reference to fiberglass gratings,whose composition is characterized by a percentage of fiberglass equivalent or higher to 70%.

In this case it is possible to appreciate benefits not only from the point of view of resistance, but also with regard to handling, which is decidedly easier than with what it is possible to find out when dealing with metallic materials.

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When designing windows and doors it is necessary to take into account various details. Among them, fire resistance is included. Safety is no longer considered as a less important aspect when designing the details of the dwelling, The only reason why it is becoming widespread the choice of fiberglass standard profiles, a solution that ensures a good result compared to that of steel.

This applies to many cases. Fiberglass standard profiles are a very valid option, as far as aesthetics and thermal insulation– is essential to obtain CasaClima certifications– as well as fire resistance are concerned.

This aspect is essential when it comes to construction quality, the reason why it is so important to inquire about precise technical data concerning fiberglass standard profiles and fire resistance.

In this regard it is worth remembering that fiberglass pultruded standard profiles are considered to be ASTM 84 UL<25fireproof products. This technical data helps us to get a complete picture on pultruded and fiberglass standard profiles as a choice allowing to make a qualitative leap compared to steel solutions that still dominate many alternatives for designers.

However, it is important to take a first step and change things, remembering that fiberglass pultruded profiles can be both standard and personalized ones with non-slip finish, which does not change their fire resistance in any way.

Besides lightness and the fact that, unlike steel, the installation of fiberglass standard profiles do not need a double and triple chamber, the aspect of aesthetic customization is very interesting, as well.

Fire-resistant fiberglass standard profiles – however, very important  – is, therefore, only one of many benefits given by the use of a sustainable and efficient solution which is perfect for windows and doors intended to last a long time and able to ensure maximum comfort.

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Pultruded sheet piles represent a very innovative solution for designers working in the construction and mechanical field, so that it was possible to overcome the natural limit of steel, a traditional material that is now outdated, such as the construction of aesthetic barriers.

Why? Because technology that enables the production of pultruded sheet piles can satisfy different types of requirements and complete the achievements, offering the possibility to save costs in a consistent manner.

Pultruded sheet piles can be produced in different models. In all cases, as described above, it is possible to exceed considerably the performance of steel with regard to resistance against corrosive agents – which translates into significant savings from the point of view of costs – but also to lightness and resistance.

At this point we have to go into the details on different types of pultruded sheet piles. It is also possible to build sheet pilesintended to large bearing capacities. These options arise with the specific purpose of replacing sheet pilesmade of iron and they are in this case characterized by many advantages, taking into account the aspects mentioned above, but also the possibility to choose colours. This is very interesting, when speaking about aesthetic barriers that should harmonize with the surrounding environment.

There is also a solution for low bearing capacities; this option arises with the specific purpose of replacing sheet pilesmade of wood or PVC. In this case the specific purpose is the production of aesthetic barriers.

These pultruded sheet piles are usually used for insertions up to 6 meters. In all these cases it is possible to appreciate a special lightness – pultruded sheet piles weigh five times less than those of steel – allowing an excellent handling on a construction site.

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Pultruded fiberglass sills represent a very innovative solution in the building sector. When choosing windows and doors, for example, it is necessary to ensure an extremely long life cycle to the structure and, above all, guarantee an excellent level of thermal insulation for the indoor environment.

Pultruded fiberglass sills are also characterized by another feature, that it is to say the possibility of being provided with a smooth finish, a very advantageous option from the aesthetic point of view. Thanks to pultruded fiberglass sills it is possible to reconcile different aspects that have become indispensable in the buildings sector.

The users do not only search for an optimal efficiency from a sustainable point of view, but also keep an eye open to the aesthetic appearance, in order to create a harmony between a window and door or a facade and the indoor environment.

All this is possible thanks to the presence of different colours. This aspect, combined with the fact that profiles are more reduced than those made of aluminium, provides a really interesting aesthetic result that can adapt to different indoor solutions, so that the final user can live comfortably in your house, paying attention to aesthetics that makes your home a pleasant place to live in.

The possibility of choosing among pultruded fiberglass sills with smooth finish– products which have a very different application range compared to sills provided with non-slip finish – is another advantage offered compared to aluminium that implies greater maintenance and an aesthetics which is, in the case of windows and doors, significantly more bulky than as it occurs with pultruded sills.

This happens for the simple fact that a double or triple chamber is not required with fibreglass pultruded profiles.

And ultimately their application is fully customizable and guarantees a perfect result for windows and doors and facades to the final user in line with the most innovative sustainability standards.

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