What we do
Passive Fire Protection

Fire stopping, also known as passive fire protection, is an integral part of fire prevention which works in conjunction with active fire protection – such as fire sprinkler systems


Fire-stopping services are vital in preventing the spread of fire and reducing the risk of damage and loss of life. Fire-stopping methods include using fire sleeves on pipes and cables and fire retardant sealants such as door frames, windows and other gaps.

It is critical to comply with fire-stopping standards, so we recommend calling one of our experts today to discuss your fire-stopping requirements. We are proud to be accredited under the BM Trada Q-Mark Certification Scheme, which compliments our many years of industry experience, giving our customers peace of mind when it comes to their fire prevention strategy.

Protect your building today and contact us about our fire-stopping services. 


Services we offer…


Sealing service penetrations


Maintenance of existing Fire Doors


Fire resisting compartment walls & ceilings


Installation of Fire Door Sets


Acoustic Sealing


Expert Advice

We’d love to help

Contact us to arrange a quotation.


Residential Fire Sprinklers

Commercial Fire Sprinklers

Dry Risers

Wet Risers

Fire Stopping

Retrofit Sprinklers

Servicing & Maintenance

Contact us today  to arrange a quotation.

Triangle continue to be professional, proactive and innovative in their approach to retro fit sprinkler systems. They always put the customer first and will always find a way to complete the project with minimal disruption to our residents.

Steve Key MIFireE, Fire Risk Technical Lead, Midland Heart

Triangle have been working with Wates Property Services and SES to deliver circa 4,000 retrospective sprinkler installations across 80 high rise blocks in Birmingham for Birmingham City Council. 

Daniel Camp, Operations Manager, Wates Property Services

Why choose our company?

Triangle Fire Systems are proud to be the installers of some of the UK’s best fire suppression systems, designed to save lives and maintained to last.