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

Fire-rated sealing and fire stopping in Strood, Kent

Fire-rated and intumescent sealing of service penetrations and linear gaps across Strood, carried out by CSCS-carded applicators. Fully insured and CHAS accredited.

  • Builders’ foam or ordinary silicone in compartment walls
  • Fire seals cut back for extra cables and never reinstated
  • Snag lists that include open service penetrations
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Signed off, with 12 months’ guarantee.
London, the South East & Scotland
CHAS & Constructionline
£5m PL insurance

Fire stopping near Strood

Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.

Why it’s worth doing now in Strood

Inspections and handover checks often pick up fire stopping. Late discoveries can delay handover while openings are reopened and resealed, so earlier action pays back. Halls, stores and units around places like Strood may not be checked every day, which gives a failed joint time to do damage. Resealing early avoids that.

Quantities, awkward access and phased working all shape the price. So do site requirements such as inductions and permits, along with the time of year for external work.

Why appoint us

  • Fully insured
  • Commercial sealant work since 2005
  • CSCS-carded applicators
  • CHAS accredited

See how commercial sealant jobs are priced and our accreditations and insurance.

Fire stopping for commercial buildings in Strood

Sealant is the specified answer for plenty of openings, such as metal pipes, cables and some small ducts where the detail covers them. Other openings need collars, wraps, batts, pillows or boards. We use sealant where it is the specified product, and we tell you when a detail calls for something else. The enquiries we see most involve unsealed joints where partitions meet the slab and fire-rated sealant that has cracked or shrunk back, on pipe penetrations, linear gaps at wall heads and joints between fire-resisting walls and floors. Most enquiries from Strood start with one failed joint and grow into a wider look at the building: we check the joints around it and give you an honest view of what needs doing now and what can wait.

Around smaller places like Strood, 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.

Our workmanship is guaranteed for 12 months. If our installation lets you down in that time, we return and fix it.

The Mastic Doctor team standing beside their branded vans outside an office building
Place
Strood (TN17)
Wider area
Kent
Guarantee
A 12-month guarantee
Quotes
Fixed quote, scope in writing
Telephone
01277 525 020
Last updated
3 November 2026

How a job runs

A typical day starts with protection: tape along each joint edge and covers over finishes, stock and equipment close by. The work itself normally takes a single visit for a short list of penetrations, or a phased programme for a whole building, and we clear our waste as we work. Rural sites near Strood may need directions, gate codes or a contact on site. Add it to your enquiry and we will build it into the plan.

  1. We start with your penetration schedule, drawings or specification.
  2. Access, permits and the order of areas are agreed with the site team.
  3. We compare every service penetration with its tested detail before sealing.
  4. Foam, ordinary sealant and debris come out first.
  5. The specified backing and sealant go in to depth and are finished neatly.
  6. We tell you about openings that need a different product.

Getting the site ready

  • Warn occupants and staff about the work
  • Send your site hours and access windows
  • Point out any areas we must not close

Ask for a quote

The quickest route to a quote is a few photographs and the site postcode. Send them through the quote form, or ring 01277 525 020 or email a schedule or drawings if you’d rather talk the job through.

Ask for a quote

Advice

What we are called out for in Strood

Mixing products or improvising a detail breaks the link with the test evidence. An oversized gap, too shallow a bead, missing backing or two makers’ products combined are the usual culprits.

Any of the following is a good reason to get the joints checked over:

  • Hidden openings found during inspections
  • Seals disturbed by maintenance and left open
  • Improvised or mixed-product fire seals
  • Fire-stopping items raised at inspection or handover

In a building such as Parish Church of St Mary, any service penetration through a fire-resisting wall should be sealed to the specified detail.

Comparing quotes

  • Whether their applicators hold CSCS cards
  • How the joint faces will be prepared and primed
  • Are they CHAS accredited or on Constructionline?
  • Their public liability cover

Questions to ask before you appoint anyone

Common questions from Strood clients

How does the move away from BS 476 affect penetration seals in Strood?

From 2 September 2029, Approved Document B drops its BS 476 references in favour of BS EN 13501-2 classification, with transitional arrangements. Our part doesn’t change: the specified product, to its tested detail.

Does your area include sites such as Business Park, near Strood?

Yes. We cover Strood and the area around it, including industrial estates, business parks and retail parks such as Business Park. Send details of the unit and the work through our quote form for a quick quote.

Can you fit around our working hours?

We’re in the office from 8am until 5pm, Monday to Friday. Tell us your site hours and access windows and the work will be fitted around them.

Are you fully insured?

Yes. We’re fully insured, including public liability cover.

Is the work guaranteed?

Yes. Workmanship is guaranteed for 12 months on every job.

Do you offer coloured sealant?

Often, yes. Sealants are made in a wide range of standard colours, and matching to RAL references or nearby finishes is commonly requested. We confirm what’s available for the specified product when we quote.

Can you work to our specification?

Yes. The specification and the manufacturer’s installation guidance are what we work to.

Fire stopping in Strood: the local picture

Fire stopping of openings and penetrations in England falls under Approved Document B. References to the older BS 476 classes are being removed from it from 2 September 2029, after which the European classification, BS EN 13501-2, is the route, subject to transitional arrangements. Our part stays the same: the specified product, installed to its tested detail. Strood has several hotels close by, all within 2 miles. 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.

For a hotel such as Bull Hotel, 1 mile south-west of Strood, penetration seals are worth checking after any refit or services upgrade. On a site such as Business Park, which lies north of Strood, every fit-out that runs new services through a compartment wall leaves penetrations to seal with the specified product.

Strood is about 11 miles south-west of Ashford, in Kent. Businesses, contractors and managing agents in Strood use us for work on service penetrations. Strood is one of 931 places we cover in Kent. Our Brighton page has more on work in that area.

We take on service penetrations across the TN17 postcode area, for business premises of every kind. If your site is on Rolvenden Hill and Tenterden Road or close by, send details and we will quote for service penetrations. Nearby places we also cover include Rolvenden (1 mile south-west), Rolvenden Layne (1 mile south), West Cross (1 mile west), Parkgate (2 miles north) and Broad Tenterden (2 miles east). A short drive away, we cover Maidstone (15 miles north), Ashford (11 miles north-east), Paddock Wood (14 miles north-west), Bearsted (15 miles north), Park Wood (13 miles north) and Kennington (13 miles north-east).

Around Strood

We work on buildings around Turners Field and Homewood School and Sixth Form Centre, among other places. Well-known places in the area include The C.M Booth Collection (1 mile south-west) and Benenden Hospital (2.4 miles north-west).

Map of Strood © OpenStreetMap contributors

Commercial clients in Strood

Main contractors use us as their sealant subcontractor. Programme, specification and site rules come first, with CSCS-carded applicators on site.

Housing associations and managing agents often need work done across blocks and communal areas. We phase the work so people keep access, with each stage agreed with your site contact.

Should maintenance staff do it?

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.

The visible bead is only part of the job. Backing rod, primer where specified and a joint designed to move with the building are where general trades tend to cut corners.

Aftercare for building managers

Problems stay small when the joints are checked regularly. Specifically:

  • Report damaged or disturbed seals as soon as they’re spotted
  • Include service cupboards in routine inspections
  • Foam or ordinary sealant is never a fire-seal repair
  • Ask the designer to confirm details early on refits

Allow the manufacturer’s stated cure time before boxing in or decorating. Not every fire-rated product can be painted.

Write fire stopping into the scope of any work crossing a compartment wall or floor. That way the opening is sealed while the trade and access are still there, not months later.

Accreditations

Trusted. Accredited. Insured.