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

Fire Stopping in Sinkhurst Green

Looking for fire stopping in Sinkhurst Green? Send us the details for a fixed quote, backed by a 12-month guarantee on the work.

  • Expanding foam used as fire stopping
  • Fire-rated sealant that has cracked or shrunk back
  • Openings left by services added after handover
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
South East, London & Scotland
Constructionline member
Fully insured: £5m PL

Need fire stopping in Sinkhurst Green?

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

Sinkhurst Green: questions and answers

What does the BS 476 change mean for fire-rated sealant in Sinkhurst Green?

References to BS 476 classes are being removed from Approved Document B from 2 September 2029, after which BS EN 13501-2 classification is 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.

Is hospital work, at somewhere like Benenden Hospital, something you do?

Yes, provided the work is planned with the site’s estates team. Work is phased so departments keep running, under the site’s own rules.

Can weather delay the job?

For external joints, yes. Sealant needs a dry joint and a temperature within the product’s range, so frost, rain or cold mornings can delay outside work. Internal work is rarely affected.

What hours do you work?

Give us your site hours and any access windows in your enquiry, and we’ll plan around them. You can reach the office between 8am and 5pm, Monday to Friday.

How much does the work cost?

Every job gets its own fixed quote. For yours, call the office on 01277 525 020 or send details through our quote form.

Are your applicators CSCS-carded?

Yes. Our applicators hold CSCS cards.

How do you choose the sealant?

A specification, where there is one, decides it. Without one, the joint decides: its movement, its surfaces and what it has to cope with.

Fire stopping for commercial buildings in Sinkhurst Green

Sealant is the specified answer for plenty of openings, such as metal pipes, cables and some small ducts where the detail covers them. Larger openings and some plastic pipes call for collars, wraps, batts or boards instead. We use sealant where it is the specified product, and we tell you when a detail calls for something else. Most enquiries involve expanding foam used as fire stopping and hidden openings found during inspections, across joints between fire-resisting walls and floors, linear gaps at wall heads and pipe penetrations. Whether you call it commercial sealant work, mastic application or joint sealing, in Sinkhurst Green it comes down to the same thing: failed joints cut out, faces prepared and the right sealant laid to the right depth.

Around smaller places like Sinkhurst Green, penetration seals come up in schools, halls, pubs with rooms, care homes and farm buildings used as offices. Any service penetration through those walls should be closed with the specified product, set out as its test evidence shows.

Every job we finish is backed by a 12-month workmanship guarantee, in Sinkhurst Green as everywhere else we work. If a joint we sealed fails because of how it was installed, we come back and put it right.

Mastic Doctor team members lined up next to their branded vans outside an office building
Location
Sinkhurst Green (TN17)
Region
Kent
Guarantee
12 months on every job
Price
Fixed quote, scope in writing
Call
01277 525 020
Last updated
3 November 2026

When to call us in Sinkhurst Green

Some service penetrations were never sealed at all, often hidden above suspended ceilings or behind boxing. They come to light during inspections, refits or when another trade lifts a tile.

Site and facilities staff are often the first to spot these:

  • Non-fire-rated filler around services
  • Improvised or mixed-product fire seals
  • Fire seals cut back for extra cables and never reinstated
  • Penetration schedules that need working through

In a school such as Frittenden Church of England Primary School, fire-rated sealant goes in around service penetrations where it is specified.

Comparing quotes

  • How the existing material will be dealt with
  • Will CSCS-carded applicators be on site?
  • The terms of the workmanship guarantee
  • How they’ll work around occupants

Questions to ask before you appoint anyone

Aftercare for building managers

Sealant joints are maintenance items, and their life depends on movement, exposure, cleaning and use. Our advice:

  • Foam or ordinary sealant is never a fire-seal repair
  • Check with the data sheet before painting over fire sealant
  • Get seals inspected before ceilings and boxing close
  • File the specified details where the next contractor can find them

Give the sealant its full cure time before ceilings, boxing or decoration go over it. Some fire-rated sealants accept paint and some don’t, and the data sheet says which.

Make reporting new openings part of every permit to work in service areas. It costs little and catches breaches early.

Quoting for work in Sinkhurst Green

Each job is priced on its own details. The main factors are:

  • How much there is to seal
  • Removal of failed or old sealant
  • Backing rod, priming and other preparation
  • Whether the work must be split into stages

Cost follows what’s involved: removing old material, preparing the joints, the product, the access and how the work is phased. Call for a fixed quote.

What we need to price the job

To price the job accurately, we need to understand the site. Send us:

  • Any specification or named product
  • Asbestos survey details if the building is older
  • How the joints are reached, and at what height
  • A wide shot and a close-up of the area

Specifications, drawings and tender packages are welcome with any enquiry, and we’ll price against exactly what is specified. Smaller jobs need nothing more than photographs and a few notes.

On site: what to expect

Where the site stays busy, we agree a sequence with your contact so the disruption stays in one area at once. Each section is protected, cleaned back and sealed, then reopened once the sealant allows before the next one starts. Smaller jobs around Sinkhurst Green can be grouped with others nearby. You will have a fixed quote before work starts.

  1. We ask for the product and detail your designer has specified.
  2. We sort the openings by the detail each one needs.
  3. Old or wrong materials are cut out.
  4. Mineral wool or other backing is fitted where required.
  5. We gun the sealant in to the specified depth around each service and tool it.
  6. We walk the completed areas with you and confirm the records agreed at quote stage.

What we need from you

  • Move anything stored against the joints
  • Tell us which areas need to stay in use
  • Tell us your opening times and when work is allowed

Get a fixed quote

Quotes are fixed against the scope you send, so you know the figure before anyone is on site. To ask for one, ring 01277 525 020 or email us.

Get a quick quote

Advice

Honest limits

Honesty saves time and money. New sealant won’t cure:

  • Deciding what a wall or floor needs, which belongs to the designer
  • Signing off or certifying a building’s fire stopping
  • Reviewing a building’s overall fire safety

If you are not sure, just phone 01277 525 020 or email a schedule or drawings and we’ll give you a straight answer before you book.

Surfaces we seal

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

Compartment walls and floors in Sinkhurst Green

Sinkhurst Green is about 38 miles from central London. Office refits around the commuter belt bring new cabling through fire-resisting walls; the gaps need the specified seal. 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.

For a unit at a site such as Barradale Farm Industrial Estate (2.2 miles north-east of Sinkhurst Green), new power or data runs between office and warehouse can breach a compartment wall. Older community buildings such as Church of St Mary that have been rewired or given new heating can have service gaps through walls worth checking against the specification.

Sinkhurst Green is about 8 miles south of Maidstone, in Kent. We cover commercial sites throughout Sinkhurst Green, whether it’s a single job or part of a planned programme. We work across 931 places in Kent, from busy centres to rural villages. London is covered too, some 38 miles away.

We cover the TN17 postcode districts. Just outside Sinkhurst Green, we also work in Frittenden (1 mile south), Knox Bridge (2 miles south-west), Hawkenbury (2 miles north), Staplehurst (2 miles north-west) and Cranbrook Common (2 miles south-west). Further afield, our area takes in Maidstone (8 miles north), Ashford (12 miles east), Sittingbourne (15 miles north-east), Royal Tunbridge Wells (14 miles west), Tonbridge (14 miles west) and Kings Hill (11 miles north-west).

Landmarks near Sinkhurst Green

Recent enquiries here include premises near Bell And Jorrocks Public House. The nearest railway station is Headcorn station, about 2 miles north-east. Well-known places in the area include Kent Firefighting Museum (1.6 miles south-east) and Benenden Hospital (4.6 miles south).

Map of Sinkhurst Green © OpenStreetMap contributors

When to bring in a specialist

The visible bead is only part of the job. Correct depth, the right primer and a sealant matched to the movement are easy to get wrong without experience.

Certain joints really need a specialist: fire-rated seals that must follow a tested detail, trafficked floor joints and external movement joints among them. A poor seal in places like these tends to cost more to put right later.

Accreditations

Trusted. Accredited. Insured.