With over 30 years of experience, GSI understands that the quality of our service is the key measure by which we will be evaluated.

Our quality management system is designed to ensure we construct all works to the clients’ specific requirements, codes of practice and current British standards, through a process of checking, test and inspection.

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Compartmentation Surveys

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Fire boarding to structural steelwork will protect the steelwork from failing in a fire situation, thus maintaining the integrity of the structure for up to 240 minutes.

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Soffit protection to achieve a higher level of fire resistance and/or thermal insulation.

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Intumescent Paint

Thin film applied Intumescent paint is a fast method of providing up to 120 minutes fire protection to structural steelwork.

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Fire Stopping

A preventative and essential requirement of commercial and some residential builds. Fire stopping ensures voids, essentially around service penetrations in fire compartments are sealed to prevent the spread of fire and smoke.

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Who we work with

Our reputation for quality and compliance coupled with our “in house” technical ability has allowed us to forge strong working relationships with leading companies in the UK.

osborne logo

kier logo

Multiplex logo

Bougues logo

Willmott Dixon logo

Wates logo

crest logo

balfour logo

Mclaren logo

Latest case studies

Browse through some of our recent achievements.

Bath Road – Slough

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Project Sienna – Basingstoke

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Dyson – Malmesbury

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Wembley – Quintain

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Westfield – White City

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Foundation Park – Maidenhead

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Principal Place – London

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what our clients say

Careers at GSI

Enjoy a challenge, being part of an ever increasing team, upload your details today.

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Our Accreditations

GSI pride ourselves in providing high quality service whilst remaining Health & Safety compliant.

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