
Fire-rated sealing and fire stopping in Little Posbrook, Hampshire
We carry out fire-rated and intumescent sealing of service penetrations and linear gaps in Little Posbrook. Send details for a fixed quote.
- Fire seals cut back for extra cables and never reinstated
- Unsealed joints where partitions meet the slab
- Expanding foam used as fire stopping
Fire stopping for businesses in Little Posbrook
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
Fire stopping in Little Posbrook, done properly
The test standards are BS EN 1366-3 for penetration seals and BS EN 1366-4 for linear joints, with results classified under BS EN 13501-2. That classification, such as EI 60 or EI 120, belongs to the product in its tested arrangement. So our job is to reproduce that arrangement faithfully. Site teams most often ask us about fire seals cut back for extra cables and never reinstated and seals that don’t match their tested detail, on joints between fire-resisting walls and floors, pipe penetrations and cable penetrations. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, the work in Little Posbrook is the same: the right product in a properly prepared joint.
A job near Little Posbrook is usually planned around one visit, with the specification and photos sent in advance. We install to the specification and the manufacturer’s guidance, leaving design and sign-off with the designer and building control.
Whoever the client is, the cover is the same: a 12-month guarantee on our workmanship. It doesn’t extend to damage, faults in the building or work by others, and we are upfront about that.
- Where
- Little Posbrook (PO14)
- Wider area
- Hampshire
- Cover
- A 12-month guarantee
- Quotes
- Fixed quote, scope in writing
- Call
- 01277 525 020
- Last updated
- 3 November 2026

Different surfaces, different methods
Cables and cable bundles
Data cabling added after handover is a regular cause of open service penetrations. Openings around new cables are resealed to the detail, and any bundle too large for sealant alone is flagged.
Drylining partitions
Holes in board are often cut larger than needed. An oversized hole may be outside the sealant’s range and we will tell you what the detail says instead.
Where services cross fire walls in Little Posbrook
The area within 2 miles of Little Posbrook holds several hotels. Bedroom-to-corridor walls in hotels are normally fire-resisting, so new cabling or pipework through them has to be sealed to the tested detail. At about 68 miles from central London, Little Posbrook is within reach of the capital. Tenant changes on commuter-belt business parks mean regular fit-outs, and new services through compartment walls; the gaps need the specified seal.
Tenant changes at parks like Kite's Croft Business Park, 1.5 miles north of Little Posbrook, bring new data and services, and openings through fire-resisting walls need the specified seal. Older community buildings such as Church of St Peter that have been rewired or given new heating can have service gaps through walls worth checking against the specification. Theatres, wards and plant rooms at sites like Fareham Community Hospital, 2.8 miles north-west of Little Posbrook, all have compartment walls crossed by services.
Little Posbrook is about 2 miles south-west of Fareham, in Hampshire. We send applicators to Little Posbrook for service penetrations. We work across 723 places in Hampshire, from busy centres to rural villages. We also cover Portsmouth, around 8 miles from Little Posbrook.
Business premises anywhere in PO14 are within our area for service penetrations. If your building is just outside Little Posbrook, we cover Titchfield (1 mile north), Abshot (1 mile north-west), Hill Head (1 mile south-east), Stubbington (1 mile south-east) and Titchfield Common (2 miles north-west). A short drive away, we cover Gosport (5 miles south-east), Havant (11 miles east), Eastleigh (10 miles north-west), Horndean (11 miles north-east), Totton (13 miles north-west) and Chandler's Ford (12 miles north-west).
What’s near Little Posbrook
In Little Posbrook, that means premises near Coach & Horses pub and Crofton School, among other places. The nearest railway station is Fareham station, about 2.6 miles north-east. Nearby you will also find Fareham Community Hospital (2.8 miles north-west) and Fareham Shopping Centre (3.2 miles north-east). The countryside around Little Posbrook includes Holly Hill Woodland Park.
Little Posbrook: questions and answers
Do you cover business parks and estates near Little Posbrook, such as Kite's Croft Business Park?
Yes. Our area takes in Little Posbrook and its surroundings, with estates and business parks such as Kite's Croft Business Park included. Send details of the unit and the work through our quote form for a quick quote.
Can you work on a hospital site such as Fareham Community Hospital?
Yes. Healthcare sites are among the places we work. Work is phased so departments keep running, under the site’s own rules.
How do you choose the sealant?
A specification, where there is one, decides it. If there isn’t one, it comes down to the joint: how much it moves, what it bonds to and whether it’s wet, trafficked or fire-rated.
Do you have public liability insurance?
Yes. Mastic Doctor is fully insured, public liability included.
Will you come and look before quoting?
Many jobs can be quoted from photographs, drawings or a joint schedule. Where they aren’t, we arrange a site visit.
Can one quote cover more than one building?
Yes. A group of buildings can go on one quote, with one point of contact.
Do you hold third-party fire-stopping installer certification?
No. We don’t hold a third-party fire-stopping installer certificate. We are CHAS accredited and a Constructionline member, and our applicators are CSCS-carded. Where a client or main contractor requires a scheme member, we will say so straight away rather than waste your time.
Commercial clients in Little Posbrook
Facilities managers want contractors who arrive with the paperwork sorted. Let us know the documents you need (RAMS, insurance certificate, CSCS details) and we’ll confirm them with the quote.
Planned maintenance programmes are welcome: working through a building or an estate in stages that fit your budget. Sites in Little Posbrook can sit alongside others in a wider programme.
From enquiry to sign-off
The first thing on site is a walk round with your contact, to confirm the scope, the order of work and any areas we must keep clear. After that, any old or failed material is removed, each joint is prepared and the new sealant goes in. For a building around Little Posbrook, tell us how to find it and who will meet us. Send that with the details and we will confirm the plan with the quote.
- The specification and schedule come first, so we know which details apply.
- Access, permits and the order of areas are agreed with the site team.
- We compare every service penetration with its tested detail before sealing.
- Foam, ordinary sealant and debris come out first.
- The specified backing and sealant go in to depth and are finished neatly.
- We tell you about openings that need a different product.
Getting the site ready
- Clear stock, furniture or equipment away from the joints
- Have the specification and drawings to hand
- Tell us which areas need to stay in use
Ask for a quote
Every quote starts with the facts: what’s there, how much of it, how we reach it and what’s specified. Send what you have, and we’ll arrange a site visit if anything is unclear.
Advice
Nearby places to Little Posbrook
More services for Little Posbrook
Doing it in-house
The visible bead is only part of the job. Backing rod, primer where specified and a joint designed to move with the building are easy to get wrong without experience.
For most general trades, sealant is a sideline. A specialist prepares properly, controls joint depth and picks a product with the right movement class, which is what makes a joint last.
Leave it or put it right?
Sealing behind the M&E trades area by area beats a sweep at the end. While the area is still open, every opening is easy to see and reach. Around Little Posbrook, it’s better to renew all the failing joints at once, rather than one at a time. Photos of every joint help us quote for the whole job.
Access can matter as much as the joints themselves: joints within easy reach take less time than ones that need access equipment. Tell us how the joints are reached and call for a quote.
What you get with us
- Public liability insurance in place
- 12 months’ guarantee on every job
- Constructionline member
- CHAS accredited contractor
Read our cost guide and how we’re accredited.
What we can’t put right
Part of a good diagnosis is knowing where sealant stops. We will tell you if the real problem is one of these:
- Openings that need collars, wraps, batts or boards rather than sealant
- Construction that lacks the fire resistance the seal relies on
- Signing off or certifying a building’s fire stopping
If in doubt, ring 01277 525 020 or use the quote form and we’ll say what we think.
Surfaces we seal
- Small duct penetrations where the tested detail allows
- Joints between fire-resisting walls and floors
- Cable penetrations
- Pipe penetrations
- Linear gaps at wall heads
- Service gaps in risers