Fire Stopping in Colden Common
Planning work on a service penetration in Colden Common? We look at it, seal it with the right product and hand it over with a 12-month guarantee.
- Openings found when ceilings come down for a refit
- Old intumescent sealant that has split away
- Service penetrations left open after M&E works
Fire stopping across Colden Common
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
What the job involves on each surface
Plastic pipes
Plastic waste pipes through slabs come up often. The detail decides whether sealant alone is enough.
Metal pipes
Metal pipes conduct heat, so their details often call for extra measures along the pipe, and the tested detail may ask for insulation beyond the wall. We follow whatever the detail requires and flag anything we can’t match.
Fire stopping for commercial buildings in Colden Common
We should be clear about what we do and don’t do. The designer, fire engineer or building control decides which fire stopping is required; sign-off sits with them too. We fit the specified fire-rated sealant following that specification and the maker’s installation guidance. If you are dealing with builders’ foam or ordinary silicone in compartment walls and snag lists that include open service penetrations, we can help. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, in Colden Common it comes down to the same thing: the right product in a properly prepared joint.
Converted and extended buildings around places like Colden Common can mix old and new construction, so it’s worth confirming the wall or floor type before choosing the seal. We match the product to the substrate and service, and say so if a collar, wrap or batt is the specified item.
We sign every job off with a 12-month guarantee. It’s a plain promise: if our work fails within that year, we put it right.
- Place
- Colden Common (SO21, SO50)
- Region
- Hampshire
- Guarantee
- 12 months on our workmanship
- Quote
- A fixed quote before we start
- Call
- 01277 525 020
- Page updated
- 3 November 2026
Nearby places to Colden Common
What else we do in Colden Common
When to call us in Colden Common
When a seal departs from its tested detail, the evidence no longer covers it. An oversized gap, too shallow a bead, missing backing or two makers’ products combined are what we find most often.
Things that normally lead to an enquiry:
- Openings found when ceilings come down for a refit
- Fire sealant pulled out of the opening
- Damaged fire seals in risers and voids
- Improvised or mixed-product fire seals
For a unit at a centre such as Cannons Retail Park, 2.7 miles south-west of Colden Common, penetration seals are worth checking after each shop fit.
Comparing quotes
- Whether primer will be used where the manufacturer specifies it
- Is depth set with backing rod, or bond-breaker tape in shallow joints?
- The terms of the workmanship guarantee
- Health and safety accreditation such as CHAS
Fire stopping around Colden Common: points for this area
Colden Common lies roughly 63 miles out from central London. Business park offices in the commuter belt are refitted as tenants change, and each fit-out adds services through compartment walls. For England, the fire stopping of penetrations is dealt with in Approved Document B. Its BS 476 references are being withdrawn from 2 September 2029, with BS EN 13501-2 classification taking over, subject to transitional arrangements. We install whatever has been specified, to the product’s tested detail.
At a college such as Eastleigh College - Desborough Campus, 2.8 miles south-west of Colden Common, checking penetration seals after summer M&E works is good practice. At a university such as University of Winchester, which lies north of Colden Common, labs, lecture blocks and residences are re-serviced often, so penetration seals are best checked after M&E work.
Colden Common is about 2 miles north-east of Eastleigh, in Hampshire. Anywhere in SO21, the process is the same: details in, fixed quote out, then sealing and a 12-month guarantee. Colden Common is one of 723 places in Hampshire on our list for service penetrations. There’s a separate page for Southampton, about 6 miles away.
Commercial sites across SO21 and SO50 are covered. Among the streets we cover are St Vigor Way, Ash Close and Birch Close. If your building is just outside Colden Common, we cover Brambridge (1 mile south-west), Nob's Crook (1 mile south-east), Lord's Wood (1 mile south-west), Highbridge (1 mile south-west) and Fisher's Pond (1 mile south-east). Further afield, our area takes in Winchester (4 miles north), Gosport (15 miles south-east), Fareham (11 miles south-east), Horndean (15 miles south-east), Totton (10 miles south-west) and Chandler's Ford (3 miles west).
Landmarks near Colden Common
Around Colden Common, our work takes us to commercial buildings near Thornden School. The nearest railway station is Shawford station, about 1.9 miles north. Nearby you will also find Wolvesey Castle (4.4 miles north) and Eastleigh Museum (2.4 miles south-west). Open spaces near Colden Common include Shawford Down and Twyford Down.
Diagnose, treat, sign off
On arrival, we sign in, go through any site induction and check how permits are handled. Everything around the joints gets protected before any cutting starts, and the work usually takes longer where risers, ceiling voids or occupied floors have to be worked through in sequence. For a job in Colden Common, the main thing is a clear picture of the work, so send photographs of each area. You will then get a fixed price for the work.
- First we confirm the product and tested details named in the specification.
- Openings are measured and grouped by detail.
- Improvised fillers and failed sealant are removed.
- Where the detail needs backing, it goes in at the stated depth.
- Fire-rated or intumescent sealant goes in around the services and is tooled off.
- Completed areas are checked with you, with the records agreed when we quoted.
Before we start on site
- Tell us what induction or permit system the site runs
- Let building users know which areas are affected
- Send asbestos survey details if the building is pre-2000
Quotes
Pricing a project or setting a maintenance budget? We’ll quote against your scope and drawings that you can work with. For a chat about it beforehand, call the office on 01277 525 020 or email the details over.
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Colden Common: questions and answers
Can you take on a job at a hospital such as Wessex Hospital?
Yes, healthcare and care buildings are part of our work. We follow the site’s permits, sign-in and infection-control procedures in every area.
Does your area include sites such as Wessex Business Park, near Colden Common?
Yes. Estates, retail parks and business parks around Colden Common, Wessex Business Park among them, are all within reach. Photos and a short description are enough for a first look.
How much does the work cost?
We don’t publish prices, because every site is different. Send photographs or drawings and we’ll price it at a fixed figure.
Does weather matter for sealant work?
It can, for external work. Sealant won’t bond properly to a wet or frosty joint, so we watch the forecast and rearrange outside work if we have to. Indoors, the weather is rarely a problem.
Which sealant will you use?
Where there’s a specification, we use the product it names. If not, we choose for the movement, the surfaces and the conditions, in line with the manufacturer’s guidance.
Which standards are fire seals tested to?
In short, BS EN 1366-3 and 1366-4 are the fire tests and BS EN 13501-2 is how results are classified. EI 60 means integrity and insulation for 60 minutes in the tested arrangement; installing to the detail is what carries that across to site.
Can you seal any opening with fire-rated sealant?
No. Each fire-rated sealant is tested for particular services, gap sizes and substrates. If an opening falls outside, it needs another solution, as set out by the designer.
When something else is needed
A proper diagnosis includes knowing what sealant can’t do. We’ll tell you if the real problem is any of the following:
- Issuing fire ratings or certificates for seals
- Writing the fire-stopping specification
- Gaps in walls that were never built as compartment walls
If in doubt, give us a call on 01277 525 020 or send photos by email and we’ll say what we think before you book.
What we seal
- Pipe penetrations
- Cable penetrations
- Service gaps in risers
- Small duct penetrations where the tested detail allows
- Joints between fire-resisting walls and floors
- Linear gaps at wall heads
Site staff or a sealant specialist?
A short, simple internal joint is often within reach of a maintenance team. The usual problems come from preparation: sealing over old material, sealing onto damp or dusty surfaces, or a product that can’t take the movement.
Using site staff can make sense for a small touch-up, but larger jobs are different: a specialist brings efficiency, a consistent finish and a 12-month guarantee.
What happens if it’s left?
Open service penetrations matter on ordinary days, not just in a fire: they also carry noise, draughts and smells between rooms. The specified fire seal closes the gap for all of these and the building feels the difference. A failed joint lets water into a building whatever its size. Catching it early means a reseal rather than repairs.
The product called for affects the cost, and so does the preparation, such as cutting out, priming or new backing rod. Access, phasing and site rules also count.
Why choose Mastic Doctor in Colden Common
- Over 20 years of commercial sealing
- Products installed to the manufacturer’s instructions
- Fully insured, including public liability cover
- Old sealant cut out, never sealed over
Read what affects the cost or our accreditations.