Fire stopping in Forton
Fire-rated and intumescent sealing of service penetrations and linear gaps in Forton and across Hampshire. CHAS accredited, Constructionline member, with a 12-month guarantee on workmanship.
- Unsealed joints where partitions meet the slab
- Hidden openings found during inspections
- Fire-stopping items raised at inspection or handover
Need fire stopping in Forton?
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
How we handle fire stopping in Forton
Sealant is the specified answer for plenty of openings, such as metal pipes, cables and some small ducts where the detail covers them. Larger openings and some plastic pipes call for collars, wraps, batts or boards instead. We use sealant where it is the specified product, and we tell you when a detail calls for something else. If you are dealing with expanding foam used as fire stopping and improvised or mixed-product fire seals, we can help. Looking for mastic applicators who cover Forton? Mastic Doctor has worked for contractors, FMs and building owners since 2005, with CSCS-carded applicators.
In places the size of Forton, fire-resisting walls and floors are found in schools, care homes, health centres and mixed-use buildings. Around those penetrations, fire-rated sealant is installed if specified, with depth, backing and gap all as tested.
The 12-month guarantee covers our workmanship: the preparation, the sealing and the tooling. Damage, later alterations by others and movement beyond what the joint was designed for sit outside it.
- Place
- Forton (PO12, PO13)
- Wider area
- Hampshire
- Guarantee
- 12 months on every job
- Quote
- A fixed quote before we start
- Telephone
- 01277 525 020
- Last updated
- 3 November 2026
What sets the cost
There’s no standard rate for sealant work, since sites vary so much. What we look at:
- How much existing material needs removing
- Which sealant the job calls for
- Location, for remote and island sites
- How much there is to seal
Quantities, awkward access and phased working all shape the price. So do site requirements such as inductions and permits, along with the time of year for external work.
Details that help us quote
For an accurate fixed quote, we need to understand the site. Useful things to include:
- Whether the building will be occupied during the work
- How the joints are reached, and at what height
- Where the site is, with the postcode
- Photos of the joints, close up and from further back
Pricing a project or setting a maintenance budget? Send the scope and any drawings, and we’ll return a fixed quote that you can work with. For a chat about it beforehand, phone 01277 525 020 or send details through our quote form.
From enquiry to sign-off
We schedule the visit to fit the site hours and access windows you give us. On the day, the work area is kept contained and tidy, and your contact hears from us before we move to the next area. For a site in Forton, we plan so the whole job is done in one go where possible. Clear photographs and measurements help us bring the right products.
- First we confirm the product and tested details named in the specification.
- We sort the openings by the detail each one needs.
- Improvised fillers and failed sealant are removed.
- Mineral wool or other backing is fitted where required.
- We gun the sealant in to the specified depth around each service and tool it.
- Completed areas are checked with you, with the records agreed when we quoted.
What we need from you
- Flag any permit to work we’ll need
- Make sure the joints can be reached
- Agree which areas must stay open
Ask for a quote
Every job follows the same four steps: send details, get a quote, we seal, guaranteed. The first step is to ring 01277 525 020 or send details through our quote form with what you know.
Related advice
Your questions answered
What does the BS 476 change mean for fire-rated sealant in Forton?
From 2 September 2029, Approved Document B drops its BS 476 references in favour of BS EN 13501-2 classification, with transitional arrangements. The designer or fire engineer sets the specification, and we install the product to the manufacturer’s tested detail.
Do you work on fire-rated sealing in hotels in Forton?
Yes. We install fire-rated and intumescent sealant where it is specified. It goes in to the manufacturer’s tested detail for the wall or floor and the services passing through, and we will tell you if the detail calls for a collar, wrap or batt instead.
How long does a job like this take?
That varies with the scale of the job, but the work typically takes a single visit for a short list of penetrations, or a phased programme for a whole building. Larger or phased jobs take longer, and we’ll give you a timescale with the quote.
Is Forton in your area?
Yes. Sites across Forton are covered, and the same phone number covers every area.
What happens if old sealant might contain asbestos?
Some older mastics, especially in pre-2000 buildings, can contain asbestos. We check the asbestos register before cutting out old sealant in an older building, and work stops until any suspect material has been tested. Removing asbestos is a job for asbestos specialists, not us.
How do we ask for a quote?
There are four steps: send details, receive a fixed quote, we carry out the work, and it’s guaranteed. Step one needs little more than photos and a postcode.
How long before the joints can be used?
The product and site conditions decide that. Some take light use quickly, others need longer to cure, and we confirm it before leaving site.
What the job involves on each surface
Plastic pipes
In a fire, plastic pipework melts away and leaves an opening. Small sizes are sometimes covered by an intumescent sealant detail. We check the pipe material and diameter against the detail before we start.
Small ducts
Ducts are only sealed with sealant where the detail allows it. The ductwork, its supports and any dampers are for the ductwork contractor.
Honest limits
A few problems need another trade or a different fix, and we point that out rather than sealing over them:
- Deciding what a wall or floor needs, which belongs to the designer
- Walls or floors that aren’t fire-resisting to begin with
- Signing off or certifying a building’s fire stopping
If you are not sure, just give us a call on 01277 525 020 or send photos by email and we will give you a straight answer before you book.
Where we work in Forton
- Joints between fire-resisting walls and floors
- Cable penetrations
- Small duct penetrations where the tested detail allows
- Pipe penetrations
- Service gaps in risers
- Linear gaps at wall heads
Doing it in-house
General builders and handymen seal joints, but it isn’t their main trade. A specialist prepares properly, controls joint depth and picks a product with the right movement class.
Redoing a failed joint usually costs more than getting it right at the outset, because the whole bead must be removed and the faces cleaned back again. For that reason, many FMs and contractors use a sealant specialist from the outset.
Signs you need fire stopping in Forton
Most open service penetrations are left by later work. A new cable pulled by an electrician, a pipe rerouted by a plumber or a data run drilled through a riser can leave the hole behind. Over a few years of fit-outs, a wall can collect a lot of these.
Most enquiries start with something like this:
- Seals that don’t match their tested detail
- Non-fire-rated filler around services
- Snag lists that include open service penetrations
- Old intumescent sealant that has split away
Hotels like Railway Hotel (0.6 miles east of Forton) are refurbished in phases, and each phase can open up compartment walls.
Comparing quotes
- Whether their applicators hold CSCS cards
- Whether old or failed sealant will be cut out, not overlaid
- Are they CHAS accredited or on Constructionline?
- What site paperwork they can supply
Service penetrations in Forton buildings
At about 66 miles from central London, Forton is within reach of the capital. Office refits around the commuter belt bring new cabling through fire-resisting walls; the gaps need the specified seal. The 2 miles around Forton include seven care or nursing homes. Care homes rely on fire-resisting walls and floors, and maintenance work that breaks through them leaves openings to seal. We install fire-rated sealant to the tested detail where it is specified.
Residences at universities like University of Portsmouth - North Zone, 1.9 miles to the east of Forton, have compartment walls that must be resealed whenever services change. For a site team at a college like St Vincent College (under half a mile east of Forton), fire-rated sealing is best scheduled after the summer works.
Forton is about 1 mile south-east of Gosport, in Hampshire. We cover commercial sites throughout Forton, for single jobs and planned programmes alike. Across Hampshire, 723 places are covered, including Forton.
We take on service penetrations across the PO12 and PO13 postcode area, whatever the building. Streets here include Lee Road, Ford Road and Lees Lane. Nearby places we also cover include Gosport (1 mile north-west), Priddy's Hard (1 mile north-east), Elson (1 mile north), Bridgemary (2 miles north-west) and Rowner (2 miles north-west) for service penetrations. A short drive away, we cover Havant (8 miles north-east), Eastleigh (15 miles north-west), Fareham (4 miles north-west), Horndean (9 miles north-east), Hedge End (11 miles north-west) and Waterlooville (7 miles north-east).
Around Forton
Recent enquiries here include premises near The Trafalgar pub, Brune Park Community School and St Vincent College. The closest station to Forton is Portsmouth Harbour station, roughly 1.5 miles east. Other landmarks nearby include Portchester Castle (2.8 miles north-east) and Gosport War Memorial Hospital (0.6 miles south-west). The countryside around Forton includes West of the River Alver and Portsdown Hill.