For architects
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I'm starting a mast-building project—what do you need to know to help me?
Read more: I'm starting a mast-building project—what do you need to know to help me?The construction of telecommunications towers and masts is a highly specialized field. In Poland, only a dozen or so companies carry out this work independently, while several dozen others operate by subcontracting to the actual manufacturers. Due to the narrow scope of specialization, most designers, architects, and civil engineers do not have extensive experience with this type of project. This post aims to clearly and concisely present…
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Stainless steel – What grades?
Read more: Stainless steel – What grades?Some of our structures can be equipped with stainless steel fittings for an additional fee. Have you ever wondered what this means in practice? Commercially, we distinguish between two “levels” of stainless steel. Here’s how to understand them (based on the marmech.eu website). Stainless steel—a general term for a group of corrosion-resistant steels. More specifically, we can divide them into corrosion-resistant steels and acid-resistant steels.…
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Screw Classes – how to understand them and why are they important?
Read more: Screw Classes – how to understand them and why are they important?In the mast industry, the standard is flange connections dependent on the bolt class, which determines their tensile strength and ductility. The bolt classification, described by two-digit symbols, informs about their maximum load in relation to the cross-section.
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Reactions to building structure – what should I know?
Read more: Reactions to building construction – what should I know?Customers often wonder why the mast attachment is more expensive than the mast itself. The values of the tearing and driving forces in the roof quoted in the static calculations show how important proper anchoring is, which often requires major construction work and specialist solutions, individually adapted to each building.
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I am putting a mast/tower on the ground – how should I foundation it?
Read more: I am putting a mast/tower on the ground – how should I foundation it?The general rule is that a foundation should not extend below the groundwater level. If the groundwater table is shallow, the most common solution is a foundation slab weighted down with earth fill or shallowly buried precast elements (so-called “mushrooms” from the F series, e.g., those manufactured by Elbud Gdańsk). Cast-in-place slabs are also used in mountainous areas, where just below the ground surface there are…
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How to remove lightning from a mast safely? Basic knowledge.
Read more: How to remove lightning from a mast safely? Basic knowledge.When installing lightning protection for telecommunications masts, three main issues must be taken into account. In our opinion, the best and most cost-effective way to dissipate the electrical charge is through the structure of the mast or lattice tower itself. AluPro products are equipped with a special eyelet in the lowest segment, which allows the entire structure to be connected to the building’s lightning protection system. For painted structures, be sure to remove…
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Do I have to paint my mast with red and white stripes?
Read more: Do I have to paint my mast with red and white stripes?Updated: September 2026 · Legal status: August 2026 The marking of a mast—including its paint scheme and lights—is determined by regulations governing aviation obstacles, not by its height alone, regardless of its location. A previous version of this post cited a 2003 regulation that has since been repealed; the thresholds we listed there are no longer in effect. When a mast is an obstacle…
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The county office is waiting for a building permit for a mast on the building—is it right to do so?
Read more: The county office is waiting for a building permit for a mast on the building—is it right to do so?Updated: September 2026 · Legal status: August 2026 It depends on the height of the structure and whether the installation interferes with the building’s structure. The old ruling we cited here (Provincial Administrative Court in Gdańsk, II SA/Gd 329/14) was based on a numbering system for the provisions that is no longer in effect following the 2020 amendment—which is why we are describing the current situation.…
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Does the mast require a building permit?
Read more: Does the mast require a building permit?Masts under 3 metres do not require a permit. Masts over 3 metres on buildings are subject to notification unless local regulations require a building permit.
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