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

Fire Stopping in Darland

We carry out fire-rated and intumescent sealing of service penetrations and linear gaps in Darland and the surrounding area. Send photographs or drawings for a fixed quote.

  • Service penetrations left open after M&E works
  • Builders’ foam or ordinary silicone in compartment walls
  • Old intumescent sealant that has split away
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
12-month guarantee on our workmanship.
London, the South East & Scotland
CHAS accredited
£5m PL insurance

Need fire stopping in Darland?

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

Leave it or put it right?

Sealing behind the M&E trades area by area beats a sweep at the end. Openings are visible, access is open and nothing has to be taken down. For buildings around smaller places like Darland, water damage can go unnoticed for longer, especially where a building isn’t used daily, which gives a failed joint time to do damage. Renewing joints in good time avoids the problem.

We don’t publish prices, because the scope varies so much from one building to the next. For a fixed figure, call for a quote and we will price your job on its own details.

Why us?

  • Commercial sealant work since 2005
  • A Constructionline member, so easy to vet
  • Fixed quotes based on photographs, drawings or a visit
  • One number for every site we cover

Read how commercial sealant jobs are priced and our accreditations.

Fire stopping in Darland

Penetration seals are fire tested to BS EN 1366-3 and linear joint seals to BS EN 1366-4. That classification, such as EI 60 or EI 120, belongs to the product in its tested arrangement. Reproducing the tested arrangement on site is the part we take care of. If you are dealing with fire sealant pulled out of the opening and openings found when ceilings come down for a refit, we can put it right. One point of contact handles commercial sealant work in Darland from the first photos to the final walk-round, whether it’s one building or several.

For a smaller site near Darland, we plan to do all the penetrations in one go, so send the specification and photos first. We install to the specification and the manufacturer’s guidance, leaving design and sign-off with the designer and building control.

Guaranteed is the last step of every job. Our workmanship is backed for 12 months, and the quote explains what it covers.

Place
Darland (ME7)
Region
Medway
Guarantee
A 12-month guarantee
Price
Quoted before any work starts
Telephone
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

Darland: questions and answers

How does the removal of BS 476 from Approved Document B affect fire-rated sealing in Darland?

Approved Document B loses its BS 476 references from 2 September 2029, and BS EN 13501-2 becomes the route, subject to transitional arrangements. The designer or fire engineer sets the specification, and we install the product to the manufacturer’s tested detail.

Will you work in a care home in Darland without moving residents out?

Yes. We agree rooms and times with the manager and work a few areas at a time. We follow the home’s own procedures throughout.

How do we ask for a quote?

It works in four steps: send details, get a quote, we seal, guaranteed. The first step only needs photographs and a postcode.

Is it fine to apply new sealant on top of old?

No. Failed sealant is removed and the faces cleaned back to sound, dry material first, since fresh sealant will not bond reliably to aged material.

How much does the work cost?

That depends on the job: quantities, access, the product and any phasing. Call for a fixed quote and we’ll price it properly.

Can you quote from photographs?

Many jobs can be quoted from photos, drawings or a joint schedule. Where they aren’t, we arrange a site visit.

Is colour matching possible?

It depends on the product. Some ranges offer many colours, others very few, so we will confirm the colours available for the specified product with the quote.

What we are called out for in Darland

Damage plays a part too. Seals get knocked during maintenance, cut back to add a cable or pulled out when services are swapped.

If one of these sounds familiar, it’s time for a closer look:

  • Non-fire-rated filler around services
  • Penetration schedules that need working through
  • Fire sealant pulled out of the opening
  • Head-of-wall gaps with no fire seal

Offices at parks like Gillingham Business Park, 0.7 miles to the east of Darland, are re-cabled with each new tenant, and compartment walls need sealing afterwards to the tested detail.

Before you book anyone

  • Which product they’ll use, and why it suits the joint
  • How joint depth will be controlled
  • Whether their applicators hold CSCS cards
  • How the existing material will be dealt with

Our contractor checklist

Compartment walls and floors in Darland

In England, Approved Document B covers fire stopping of openings and penetrations. Its BS 476 references are being withdrawn from 2 September 2029, with BS EN 13501-2 classification taking over, subject to transitional arrangements. Our part stays the same: the specified product, installed to its tested detail. Darland lies roughly 30 miles out from central London. Office refits around the commuter belt bring new cabling through fire-resisting walls.

Large healthcare estates like Medway Maritime Hospital, 1.4 miles to the north-west of Darland, change their services often, so penetration seals are worth checking after M&E work. Campus buildings at universities such as University for the Creative Arts - Rochester, 2.2 miles to the north-west of Darland, see constant changes to data and services, and fire-rated sealant goes in around new penetrations where it is specified.

Darland is about 1 mile south-west of Gillingham, in Medway. Anywhere in ME7, the process is the same: send details, get a fixed quote, we seal, and the work is guaranteed. We work across 54 places in Medway. London is covered too, some 30 miles away.

If you need fire stopping in ME7, the process matches everywhere else we work: send details, get a quote, we seal, guaranteed. Streets here include Brickmakers Way, Banksview Drive and Pear Tree Lane. Nearby places we also cover include Hale (1 mile north-west), Capstone (1 mile south), Luton (1 mile north-west), Hempstead (1 mile south-east) and Gillingham (1 mile north-east) for service penetrations. Bigger towns within reach include Rochester (3 miles north-west), Strood (4 miles north-west), Hoo St Werburgh (4 miles north), Rochester Riverside (3 miles north-west), Frindsbury (3 miles north-west) and Borstal (3 miles west).

Around Darland

Locally, jobs take us to sites close to The Star pub, The Robert Napier School and Darland Banks, among other places. The closest station to Darland is Gillingham (Kent) station, about 1.7 miles north of the centre. Other landmarks nearby include Six Poor Travellers House (3 miles north-west) and Rochester Castle (3.1 miles north-west). Green spaces nearby include Burham Down and Blue Bell Hill.

Map of Darland © OpenStreetMap contributors

Different surfaces, different methods

Cables and cable bundles

Single cables and small bundles are often within a fire-rated sealant’s tested detail. Bundle size, cable type and the space between cables all matter.

Small ducts

Some fire-rated sealant details cover small ducts. Bigger ducts and fire-resisting ductwork are normally handled with other products, and we will say if that applies.

Honest limits

Honesty saves time and money. Fresh joints won’t solve:

  • Issuing fire ratings or certificates for seals
  • Walls or floors that aren’t fire-resisting to begin with
  • Large openings beyond what any sealant detail covers

Not sure which it is? You can phone 01277 525 020 or send photos by email and we’ll tell you honestly before you book.

Surfaces we seal

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

Diagnose, treat, sign off

Working in a building that stays open takes some planning. We sign and contain the area we’re in, with routes through the building left open and move on in phases so staff and visitors can carry on around us. Smaller jobs around Darland can be grouped with others nearby, which keeps travel down. You’ll have a fixed quote before work starts.

  1. First we go through the drawings, schedule or specification for the seals and raise any questions before we price.
  2. Every penetration is compared with its detail: wall or floor type, service, gap size and depth.
  3. Anything that doesn’t belong in the opening, such as expanding foam or general-purpose filler, is removed.
  4. We fit the backing the detail asks for, to the stated depth.
  5. Fire-rated or intumescent sealant is gunned in to the specified depth, then tooled.
  6. Openings that need a collar, wrap, batt or other product are flagged to you rather than filled with sealant.

Getting the site ready

  • Arrange parking or a loading space
  • Let building users know which areas are affected
  • Send asbestos survey details if the building is pre-2000

Get a fixed quote

To get a fixed quote, phone 01277 525 020 or send details through our quote form. Our quote form is another easy route.

Get a price

Read more

Work for main contractors and building owners

Planned maintenance programmes are welcome: resealing failed joints building by building, on a schedule that suits your budget. Darland can form part of a wider programme.

Blocks and communal areas make up much of the work for housing associations and agents. We phase the work so people keep access, and each stage is agreed with your contact.

Accreditations

Trusted. Accredited. Insured.