Martetic guides
Clear, technical answers to the questions we receive most often about steel screw foundations.

How to request a quote for a screw foundation: data, services and responsibilities
What information to send for a MARTETIC quote: plan, supports, ground, access, levels and services. How to compare supply-only with supply and installation.
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Foundation for a modular container: what to prepare before delivery?
Prepare the foundation for the modular container: support plan, levels, anchoring, crane access and the documents needed before delivery.
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Screw foundation on sloping ground: levels, stability and access
What to check for a screw foundation on sloping ground: level differences, buried lengths, connecting structure, water and access.
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Glamping platform on screws: what goes into the design and the budget
How to prepare a glamping platform: foundation, structure, tent anchoring, bathroom, utilities and execution stages for one or more units.
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Geotechnical study for screw foundations: what information it must provide
Why the geotechnical study matters for screw foundations, what data is useful to the designer and how investigations relate to testing.
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Foundation screws in rocks, fill or buried concrete: what is possible
What happens when screws meet rocks, fill or buried concrete. Site assessment, trials and intervention options.
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How much does a screw foundation cost in 2026?
How much does a screw foundation cost in 2026? See indicative prices, the cost of installation and real examples for containers, modular houses and steel piles.
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How many foundation screws are needed for a building?
Find out how many foundation screws are needed for a modular house, container, terrace or pergola and how the support grid is correctly determined.
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Screw foundation or concrete? What to choose and why?
Screw foundation or concrete? We compare cost, execution time, ground, durability and the situations in which each solution is suitable.
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How are foundation screws installed?
Find out how foundation screws are installed, what machinery is used, how long installation takes and what checks are made before the building is erected.
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How long do foundation screws last?
Find out how long foundation screws last, what influences their lifespan, how hot-dip galvanising protects them and when additional measures are needed.
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Are foundation screws certified? What do CE, DoP, EN 1090, ISO 1461 and EPD mean?
Find out what CE, DoP, EN 1090, ISO 1461 and EPD mean for foundation screws and what documents you should receive for the product and the installation.
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Is a permit needed for a building on foundation screws?
A screw foundation does not automatically remove the need for a permit. Find out what rules apply to modular houses, containers, terraces and temporary buildings.
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Screw foundations for BESS and solar parks on soft ground
Screw foundations for BESS systems, battery containers and solar parks on soft ground. Fast installation, modular depths and testing.
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How are foundation screws made?
See how a foundation screw is made: from the steel tube and helical blade to welding, inspection, hot-dip galvanising and product traceability.
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