The Mastic Doctor team standing beside their branded vans outside an office building
Hampshire · England

Fire stopping in Dibden

Fire-rated and intumescent sealing of service penetrations and linear gaps throughout Dibden and nearby, by CSCS-carded applicators. Fully insured and CHAS accredited.

  • Fire sealant pulled out of the opening
  • Service penetrations left open after M&E works
  • Seals disturbed by maintenance and left open
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
CHAS & Constructionline
Fully insured: £5m PL

Fire stopping for businesses in Dibden

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

Fire stopping for commercial buildings in Dibden

We are commercial sealant applicators, CHAS accredited and a Constructionline member, with CSCS-carded applicators on site. We don’t hold a third-party fire-stopping installer certificate, and we won’t pretend otherwise. We install the specified fire-rated sealant to its tested detail, and our workmanship carries a 12-month guarantee. If you’re dealing with fire sealant pulled out of the opening and openings found when ceilings come down for a refit, we can help, on linear gaps at wall heads, pipe penetrations and cable penetrations alike. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, in Dibden it comes down to the same thing: failed joints cut out, faces prepared and the right sealant laid to the right depth.

In places the size of Dibden, 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.

A 12-month guarantee applies to all our work. Should something we installed fail, call the office on 01277 525 020 or use the quote form and we will come back to it.

Mastic Doctor team members lined up next to their branded vans outside an office building
Place
Dibden (SO45)
Region
Hampshire
Guarantee
A 12-month guarantee
Quotes
A fixed quote before we start
Call
01277 525 020
Last updated
3 November 2026

What sealant work can’t fix

Our job is the joint, not everything around it. Sealant alone won’t deal with:

  • Construction that lacks the fire resistance the seal relies on
  • Approving the work on behalf of building control
  • Plastic pipes whose detail calls for a collar or wrap

If you’re not sure, just call 01277 525 020 or use the quote form and we’ll give you a straight answer.

Where we work in Dibden

  • Pipe penetrations
  • Service gaps in risers
  • Joints between fire-resisting walls and floors
  • Linear gaps at wall heads
  • Cable penetrations
  • Small duct penetrations where the tested detail allows

What affects the price in Dibden

Your fixed quote is built from the real scope. It allows for:

  • Site requirements such as inductions and permits
  • Distance, for remote addresses
  • Working within restricted access windows
  • Quantities, in metres or numbers

Whether it’s a single area or a whole estate, the same things set the price: what’s in scope, how we reach it, what’s specified and when it needs doing. Call for a quote, and you’ll have a fixed figure to work with.

What we need to price the job

Diagnosis starts before we arrive. Let us know:

  • Specification clauses that apply
  • How the joints are reached, and at what height
  • What the building is and how it’s used
  • Whether an asbestos survey exists

Every job follows the same four steps: send details, get a quote, we seal, guaranteed. The first step is to phone 01277 525 020 or email the details over with what you know.

General trades versus a specialist

For most general trades, sealant is a sideline. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint, which is what makes a joint last.

Redoing a failed joint typically 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.

When to call us in Dibden

On a busy project, programme pressure can mean fire stopping is rushed or left to whichever trade is closest. That is when untested combinations creep in and later need putting right.

Common reasons buildings call us in:

  • Fire-stopping items raised at inspection or handover
  • Head-of-wall gaps with no fire seal
  • Non-fire-rated filler around services
  • Unsealed penetrations discovered above suspended ceilings

At a university such as Southampton Solent University (3.2 miles north of Dibden), labs, lecture blocks and residences are re-serviced often, so penetration seals are best checked after M&E work.

What your quote should include

  • What the guarantee covers, and for how long
  • Which product they’ll use, and why it suits the joint
  • Whether old or failed sealant will be cut out, not overlaid
  • Who will actually carry out the work

Choosing a commercial sealant contractor

Service penetrations in Dibden buildings

Fire stopping of openings and penetrations in England falls under Approved Document B. The national BS 476 classes are due to drop out of it from 2 September 2029, leaving the European BS EN 13501-2 route, subject to transitional arrangements. Our part stays the same: the specified product, installed to its tested detail.

For a site team at a college like Totton College Waterside Centre, 1 mile south-east of Dibden, fire-rated sealing is best scheduled after the summer works. On a hospital site such as Hythe Hospital (1.1 miles south-east of Dibden), fire-rated sealant goes in where the specification calls for it, with the work planned around the estates team’s permits.

Dibden is about 1 mile west of Hythe, in Hampshire. Businesses, contractors and managing agents in Dibden can call on us for service penetrations, as part of our coverage of Hampshire. Across Hampshire, 723 places are covered, Dibden among them.

Work on service penetrations is covered throughout SO45, whatever the building. For a building on Cavalier Close, Cathay Gardens and Canterbury Drive or nearby, send details and we’ll quote for service penetrations. If your building is just outside Dibden, we cover Dibden Purlieu (1 mile south-east), Hythe (1 mile east), Marchwood (2 miles north-west), Beaulieu (3 miles south) and The Hummicks (4 miles south). Further afield, our area takes in Winchester (14 miles north), Gosport (13 miles east), Eastleigh (8 miles north-east), Fareham (10 miles east), Totton (5 miles north-west) and Chandler's Ford (8 miles north).

Local landmarks in Dibden

In Dibden, that means premises near Testwood School and Orchard Junior School. The closest station to Dibden is Southampton Town Quay station, about 2.2 miles north-east. Nearby you will also find Royal South Hants Hospital (3.5 miles north) and Westquay (2.8 miles north).

Map of Dibden © OpenStreetMap contributors

Surface by surface

Risers and ceiling voids

Voids hide a lot of unsealed openings. We follow your schedule area by area, and note anything we find that isn’t on it.

Cables and cable bundles

Single cables and small bundles are often within a fire-rated sealant’s tested detail. The detail limits bundle size and the gaps between and around cables and we work within those limits.

Questions about Dibden

Can you work at a site such as Hardley Industrial Estate, by Dibden?

Yes. Our area takes in Dibden and its surroundings, with estates and business parks such as Hardley Industrial Estate included. To start, just phone 01277 525 020 or email drawings and photos with the unit, the joints involved and your access times.

Can work at a site such as Southampton Solent University fit around teaching?

Yes. Education sites normally want the work in vacations or in phases during term, and we plan to suit. Any paperwork you need, from RAMS to our insurance certificate and CSCS details, is confirmed with the quote.

How many days will you need on site?

That varies with the scale of the job, though a typical visit normally takes longer where risers, ceiling voids or occupied floors have to be worked through in sequence. For bigger or phased jobs, we will set out a timescale with the quote.

What will the job cost?

It depends on the job: quantities, access, the product and any phasing. Call for a quote.

How do I request a quote?

You can use the quote form on this site; alternatively, give us a call on 01277 525 020 or email a schedule or drawings. Photos, drawings or a joint schedule help us quote quickly.

Will you sign off the seals for us?

No. We don’t certify or sign off fire stopping, and we hold no third-party fire-stopping installer certificate. Our part is fitting the specified product to its tested detail, and any records you need can be confirmed with the quote.

How long before the joints can be used?

We’ll confirm how long the chosen product needs to cure, and flag anything to keep off until it has cured.

How a job runs

Working in a building that stays open takes some planning. We sign and contain the area we’re in, keep walkways clear and move on in phases so staff and visitors can carry on around us. Several jobs near Dibden can be grouped on one trip. Tell us your site hours and we will plan around them.

  1. We start with your penetration schedule, drawings or specification.
  2. We plan the sequence of floors, risers and voids with you.
  3. We compare every service penetration with its tested detail before sealing.
  4. Foam, ordinary sealant and debris come out.
  5. The specified backing and sealant go in to depth and are finished neatly.
  6. Anything outside the detail is reported to you rather than sealed.

What we need from you

  • Share your working hours and any access restrictions
  • Send asbestos survey details if the building is pre-2000
  • Have the specification and drawings to hand

Getting a fixed quote

We quote a fixed sum against the scope you give us, so you know the figure before anyone is on site. To start the process, phone 01277 525 020 or email the details over.

Get a price

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