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

Fire-rated sealing and fire stopping in Danaway, Kent

Need fire stopping in Danaway? It’s simple: send details, get a quote, we seal, guaranteed.

  • Unsealed penetrations discovered above suspended ceilings
  • Head-of-wall gaps with no fire seal
  • Seals disturbed by maintenance and left open
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
12-month guarantee on our workmanship.
South East, London & Scotland
CHAS & Constructionline
£5m PL insurance

Need fire stopping in Danaway?

Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.

How we handle fire stopping in Danaway

Where pipes, cables and other services cross a compartment wall or floor, the opening around them has to be closed so fire and smoke can’t move between compartments. Our part is installing fire-rated and intumescent sealant at those openings and along linear gaps, where the specification calls for it. Each seal follows the manufacturer’s tested detail, not a rule of thumb. Site teams most often ask us about builders’ foam or ordinary silicone in compartment walls and unsealed joints where partitions meet the slab, on joints between fire-resisting walls and floors, service gaps in risers and small duct penetrations where the tested detail allows. One point of contact handles commercial sealant work in Danaway from the first photos to the final walk-round, whether it’s one building or several.

Barn and farm-building conversions near places like Danaway often combine new partitions with old walls. A penetration seal only performs as tested if product, substrate, service, gap and depth all match the detail.

The 12-month guarantee covers our workmanship: the preparation, the sealing and the tooling. It doesn’t extend to damage, other trades’ later work or movement the joint was never designed to take.

Place
Danaway (ME9)
Wider area
Kent
Guarantee
12 months on our workmanship
Price
Quoted before any work starts
Telephone
01277 525 020
Last updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

Fire stopping around Danaway: how the place shapes the job

Central London is about 35 miles from Danaway. Business park offices in the commuter belt are refitted as tenants change, and each fit-out adds services through compartment walls; the gaps need the specified seal. In England, Approved Document B covers fire stopping of openings and penetrations. From 2 September 2029, BS 476 references are being taken out of Approved Document B, leaving BS EN 13501-2 classification as the route, subject to the Government’s transitional arrangements. What we install is set by the specification, and it goes in to the tested detail.

On a hospital site such as Sittingbourne Memorial Hospital (2.7 miles east of Danaway), fire-rated sealant goes in where the specification calls for it, with the work planned around the estates team’s permits. In a building such as Church of St Peter and St Paul, any service penetration through a fire-resisting wall should be sealed to the specified detail. Colleges such as Sittingbourne College, 1.9 miles east of Danaway, add IT and services as courses change, and each new penetration through a fire-resisting wall needs sealing with the specified product.

Danaway is about 3 miles west of Sittingbourne, in Kent. Businesses, contractors and managing agents in Danaway can call on us for service penetrations, as part of our coverage of Kent. We work across 931 places in Kent, large and small. Sites around London have their own page, roughly 35 miles from Danaway.

We take on service penetrations across the ME9 postcode area, for business premises of every kind. Buildings on Westfield Gardens, Oak Close and Wormdale Hill are within our area for service penetrations. We also cover Oad Street (1 mile south-east), Chestnut Street (1 mile north-east), Newington (1 mile north), Keycol (1 mile north-east) and Bobbing (1 mile north-east) for service penetrations. Bigger towns within reach include Maidstone (8 miles south-west), Sittingbourne (3 miles east), Gravesend (14 miles north-west), Whitstable (15 miles east), Faversham (9 miles east) and Minster (8 miles north-east).

Near you in Danaway

We work on buildings around Westlands School and Plough & Harrow pub. The closest station to Danaway is Newington station, about 1.2 miles north of the centre. A little further out are Bayford Court (3 miles east) and Court Hall Museum (2.7 miles east). For a walk, there’s Detling Hill.

Map of Danaway © OpenStreetMap contributors

Why act early in Danaway

It is cheaper to seal service penetrations as each services package finishes than to come back for them later. While the area is still open, every opening is easy to see and reach, and the right detail can be checked at the time. Around Danaway, it’s better to renew all the failing joints at once, rather than one at a time. Send photos of each area and we’ll quote for the lot.

We don’t publish prices, because the scope varies so much from one building to the next. Call for a quote.

Why appoint us

  • Work carried out by CSCS-carded applicators
  • Specification-led, product-correct work
  • Joints cleaned back to sound surfaces
  • CHAS accredited contractor

Take a look at what affects the cost or how we’re accredited.

Building owners, agents and FMs in Danaway

For main contractors, we work as the sealant subcontractor. We work to your programme, your specification and your site rules.

CHAS accredited and a Constructionline member, we make supplier vetting simple. We are fully insured, and our insurance certificate can go with the quote.

How a job runs

Working in a building that stays open takes some planning. We sign and contain the area we are in, keep walkways clear and work section by section so the rest of the building stays in use. Rural sites near Danaway may need directions, gate codes or a contact on site. Add it to your enquiry and we’ll build it into the plan.

  1. We ask for the product and detail your designer has specified.
  2. We sort the openings by the detail each one needs.
  3. Improvised fillers and failed sealant are removed.
  4. Mineral wool or other backing is fitted where required.
  5. Fire-rated or intumescent sealant goes in around the services and is tooled off.
  6. Completed areas are checked with you, with the records agreed when we quoted.

Getting the site ready

  • Tell us your opening times and when work is allowed
  • Arrange parking or a loading space
  • For older buildings, check the asbestos register before work

Get a fixed quote

We quote a fixed sum against the scope you give us, so the cost is agreed before work starts. To start the process, speak to us on 01277 525 020 or email drawings and photos.

Ask for a quote

Advice

Your questions answered

Can you take on a job at a hospital such as Sittingbourne Memorial Hospital?

Yes, hospitals are one of the sectors we cover. The estates team’s permit system and infection-control rules come first, and the work is planned around them.

Will you plan work around the academic year at somewhere like Canterbury Christ Church University?

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.

Is BS 476 being phased out?

It mainly affects England, where Approved Document B is dropping its BS 476 references from 2 September 2029. Classification to BS EN 13501-2 becomes the expected evidence. In Scotland, the Technical Handbook sets its own guidance, including clause 2.1.14 on service penetrations.

Do you offer coloured sealant?

Often, yes. Many products come in a range of standard colours, and matching to RAL references or surrounding finishes is often possible. We’ll confirm the colours available for the specified product.

How long before the joints can be used?

Curing time varies by product, and we confirm it on the day, and sign any area that should be left alone.

Can you quote from photographs?

That depends on the size and complexity of the job. Straightforward work can often be priced from photos and measurements, and bigger or more complex jobs usually get a visit.

Will you sign off the seals for us?

No. Sign-off isn’t ours to give, and we don’t hold a third-party installer certificate. Our part is fitting the specified product to its tested detail, and any records you need can be confirmed with the quote.

What affects the price in Danaway

What shapes the price:

  • Distance, for remote addresses
  • Induction, permit and paperwork requirements
  • Quantities, in metres or numbers
  • Joint width, depth and condition

Quantities, awkward access and phased working all shape the price. Site requirements like inductions and permits play a part as well, along with the time of year for external work.

What to include in your enquiry

It doesn’t need to be a full survey. A few details are enough to get going:

  • Specification clauses that apply
  • The asbestos register, for older buildings
  • Access details, including height
  • The site address and postcode

Every job follows the same four steps: send details, get a quote, we seal, guaranteed. To take the first step, give us a call on 01277 525 020 or email us.

What sealant work can’t fix

Some faults sit outside our scope, and we point that out rather than sealing over them:

  • Construction that lacks the fire resistance the seal relies on
  • Approving the work on behalf of building control
  • Openings that need collars, wraps, batts or boards rather than sealant

If you are not sure, just call the office on 01277 525 020 or email drawings and photos and we will give you a straight answer.

What we seal

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

Aftercare for building managers

After handover, a little attention goes a long way:

  • Treat an open penetration as a priority repair
  • Check with the data sheet before painting over fire sealant
  • Make fire stopping part of every scope that crosses a fire-resisting wall
  • Keep product data and details in the fire safety file

New services after handover are a common way fire stopping gets breached. A short check at the end of each job saves a long hunt later.

A simple record of seal locations and products helps. When a new service goes through, everyone knows which product and detail to match, and it helps at inspections.

Accreditations

Trusted. Accredited. Insured.