This is our Frequently Asked Questions (FAQs) page which we hope will help with some of the technical issues surrounding passive fire protection. It is regularly updated but if there is anything you would like to see featured here, please don’t hesitate to contact us on 0207 237 0958 or via the Contact Us page

What is a Fire Door?

Buildings are compartmentalised to prevent the spread of fire from one compartment to another. These areas are commonly linked by fire doors to allow access around the building. In case of a fire, a door has two important functions; when closed they form a barrier to stop the spread of fire, and when opened they provide a means of escape.

When manufactured and installed correctly, a fire door will delay the spread of fire and smoke for varying degrees depending upon its location in a building and the fire hazards associated with that building.

What is fire stopping?

Fire stopping prevents the spread of fire and smoke through fire-rated compartment walls and floors. This allows occupants to evacuate the building safely and slows down the spread of fire through a building for up to 4 hours.

At London Fire Solutions we will carry out on-site surveys when necessary. These surveys are descriptive and informative; with photographs included where possible. We work in partnership with our customers, architects, main contractors and building inspectors to make sure we offer the most cost effective and appropriate fire stopping solutions for each project. 

All fire stopping works carried out are fully tested and clearly identifiable by our logging system of stickers, photos and log sheets. This provides assurance that all works undertaken comply with t11e specified fire strategy and Part B building regulations.

Fire Stopping Solution

Our Fire Stopping SolutionDescription
Fire rated ablative coated battIt acts as an air seal barrier to reinstate the fire resistance and acoustic performances of concrete floors, masonry walls and dry wall systems, following the creation of voids for the passage of services.

Load bearing & non-load bearing fire-rated compounds

We can design and customise the work required for different load-bearing floors.

Fire rated movement barriers

When there is movement of buildings these are beneficial so that the barrier is kept intact with the compartmentation of the building. 

lntumescent mastic seals

An aqueous acrylic fire barrier mastic for internal use. Containing inert fillers and graphite. Maximum diameter 90mm combustible pipe seals or 60mm annuelar space around cables etc.

Pipe collars

A two part hinged, sturdy metal collar lined with intumescent material which expands in a fire. To be used when a wall has been penetrated by plastic flammable pipes used in soil, waste and drainage services.
Pipe wrapsThis ruberoid strip has high flexibility and is most commonly used around all types of pipe insulation up to 50mm thick or combustible pipes with a diameter of between 20mm-160mm. They can also be used for conduits, cables and to close ventilated air spaces.
lntumescent pillowsThese provide up to 4 hour fire protection to cables and metal services passing through compartment fire walls and floors. 
Insulated fire sleevesThese are designed for use with plastic ducting that passes through walls. Openings in walls that allow ducts to pass through can also allow smoke and flames to pass through in the event of a fire. 
Fire-rated movement jointsThese are ideal for high movement, fast-fit curtain wall/slab edge and vertical cladding fire seals.


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Contact Info

t: 0800 035 6827 (freephone)
t: 0207 237 0958

Unit 7, Glengall Business Centre, Glengall Road, London SE15 6NH

Daily: 8:00 am - 5:00 pm
Sunday: Closed

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