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INFORMATION REQUEST

GRENSON & FILS

Specialist in lightning protection

GRENSON & FILS is working in the analysis of lightning risks and building protections, maintenance, measurement and the sale of ground materials.

Our services and solutions for private customers but also for professional ones concern outdoor protections (direct chocks) and indoor protections ( over flood, over voltage). With 40 years of experience GRENSON & FILS is an expert company in many sectors like industries, offices buildings, arts buildings, religious buildings and more.

Lightning rod

Outdoor protection against lightning brings more insurance to your building and people in it.

INSTALLATION – OUTDOOR PROTECTION

Do want us to place a lightning rod ? Do not hesitate anymore!

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Ground

Ground is one of the most important elements in every installation

High voltage - Low voltage

The ground protects people and materials. Don’t hesitate anymore!

More information

Risk analyses

This study makes it possible the evaluation of risks that are directly linked with lightning shocks in the area of a building or service line.

RISKS STUDY AND ANALYSES

Si vous souhaitez une analyse personnalisé du risque de vos bâtiments, n’hésitez-plus !

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PRO shop

Your reference store for lightning protection supplies.

MATERIAL FOR PROFESSIONAL

From ground to lightning rods, find here our complete catalog.

Magasin PRO
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YEARS OF EXPERIENCE
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PROJECTS SINCE 2014
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NEW CUSTOMERS IN 2018
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INTERNATIONAL OFFICES

Recent yards presentations

As they wanted a special care to keep their buildings intact, those references have chosen the GRENSON & FILS know-how

See all our realizations

Articles and novelties

Here are some articles about our company and material evolution about everything that lightning matters. Have a pleasant reading.

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Our references