The Mastic Doctor team standing beside their branded vans outside an office building
Dundee · Scotland

Fire stopping in Dundee

Work needed on a service penetration in Dundee? We assess it, carry out the work and guarantee our workmanship for 12 months.

  • Snag lists that include open service penetrations
  • Improvised or mixed-product fire seals
  • Openings found when ceilings come down for a refit
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Signed off, with 12 months’ guarantee.
London, the South East & Scotland
CHAS accredited
£5m PL insurance

Fire stopping for businesses in Dundee

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

Fire stopping in Dundee, done properly

Fire-rated sealant suits many small service penetrations: copper and steel pipes, cables and some small ducts where the tested detail allows. 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. We work on linear gaps at wall heads, pipe penetrations and joints between fire-resisting walls and floors, and the failures we are asked to look at most are hidden openings found during inspections and seals that don’t match their tested detail. Facilities teams, main contractors and managing agents in Dundee tend to want the same three things: a fixed quote, no surprises on site and a 12-month guarantee behind the result.

Scotland’s non-domestic Technical Handbook says a service penetration ought to match, as a minimum, how long the wall or floor resists fire. In Dundee, penetrations get the fire-rated sealant the specification asks for, built to its tested arrangement.

The 12-month guarantee is for workmanship rather than wear and tear. Sealant wears with time, and movement, weather, cleaning and use decide how fast, so we’re clear about what is covered before work starts.

Place
Dundee (DD4, DD2, DD3, DD1)
Region
Dundee
Cover
A 12-month guarantee
Quotes
A fixed quote before we start
Call
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

Questions about Dundee

Can you take on a job at a hospital such as Kings Cross Hospital?

Yes. We work in healthcare settings as well as offices and schools. The estates team’s permit system and infection-control rules come first, and the work is planned around them.

Will you take on work at estates like Kingsway West Retail Park, close to Dundee?

Yes, sites like Kingsway West Retail Park are within our area, along with the rest of Dundee. Send details of the unit and the work through our quote form for a quick quote.

Do you seal on top of existing sealant?

No, never. Sealing over old material is one of the classic causes of early joint failure, so it all comes out first.

Is BS 476 being phased out?

For buildings in England, Approved Document B removes BS 476 references from 2 September 2029. Products are then judged on BS EN 13501-2 classifications, subject to transitional arrangements. Scotland follows its own Technical Handbook.

What does an EI 60 rating mean?

BS EN 1366-3 covers penetration seals and BS EN 1366-4 covers linear joints. Classification follows BS EN 13501-2 as E for integrity and I for insulation, with a time such as EI 60 or EI 120. That rating only holds when the product is installed to its tested detail.

How do you deal with asbestos in old sealant?

Managing asbestos is the dutyholder’s responsibility, so we’ll ask for the register before work on an older building. If anything suspect turns up, we stop until it’s tested.

Do you hold third-party fire-stopping installer certification?

No. We don’t hold a third-party fire-stopping installer certificate. We are CHAS accredited and a Constructionline member, and our applicators are CSCS-carded. Where a client or main contractor requires a scheme member, we will say so straight away rather than waste your time.

Why it’s worth doing now in Dundee

Fire stopping is a regular point raised at inspections and handover. Finding unsealed or improvised openings late can hold up a programme. In a tenement or shared city building, water from a failed joint can reach other owners’ property, which makes early repair simpler for everyone. Acting early avoids disputes and bigger repairs.

No two sites price the same: joint size, product, access and site hours all play a part. Send the details and a fixed figure follows.

What you get with us

  • Over 20 years of commercial sealing
  • Public liability insurance in place
  • Our applicators hold CSCS cards
  • Constructionline member for supplier checks

Take a look at our cost guide or how we’re accredited.

Maintenance after handover

For the best life from the joints:

  • Agree the fire-stopping specification before services go in
  • Record which product was used where
  • Flag new cables with no seal around them
  • Put resealing into every M&E and fit-out package

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.

Make reporting new openings part of every permit to work in service areas. Small habits like this stop openings building up.

Should maintenance staff do it?

Redoing a failed joint usually costs more than getting it right at the outset, because the whole bead must be removed and the faces cleaned back again. That’s why many clients bring in a specialist from the beginning.

Using site staff can make sense for a small touch-up, but anything bigger is another matter: a specialist brings efficiency, a consistent finish and a 12-month guarantee.

From enquiry to sign-off

Working in a building that stays open takes some planning. The work area is signed and kept contained, keep walkways clear and move on in phases so staff and visitors can carry on around us. University, hospital and office estates in Scotland’s cities have their own permits, inductions and sign-in rules. Pass on the site’s contractor rules when you get in touch.

  1. We ask for the product and detail your designer has specified.
  2. Openings are measured and grouped by detail.
  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. Completed areas are checked with you, with the records agreed when we quoted.

What we need from you

  • Make sure the joints can be reached
  • Explain the parking and delivery arrangements
  • Tell us your opening times and when work is allowed

Getting a fixed quote

Let us know the site, the scope and your timescale, and we will put a fixed quote together. The easiest way is to call 01277 525 020 or email drawings and photos.

Get a quick quote

Related advice

Service penetrations in Dundee buildings

A 2-mile radius around Dundee takes in a good number of hotels. 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. There are 10 care or nursing homes within about 2 miles of Dundee. Where new services have gone through compartment walls in a care setting, the gaps need the specified product.

For a hospital such as Kings Cross Hospital (under half a mile north-west of Dundee), penetration sealing is typically phased ward by ward, with infection-control rules agreed first. Shop fits on retail sites such as Kingsway West Retail Park, 0.8 miles to the north-west of Dundee, can bring new services through fire-resisting walls between units, to be sealed with the specified product. Workshops and IT rooms at colleges like Dundee and Angus College - Kingsway Campus (0.7 miles north of Dundee) are re-serviced often, leaving penetrations to seal.

Dundee is about 38 miles north of Edinburgh, in Dundee. Commercial clients in Dundee use us for work on service penetrations. Our Dundee coverage takes in 28 places, large and small.

We cover the DD4, DD2, DD3 and DD1 postcode districts for service penetrations. If your site is on Hill Square, Main Street and William Barclay Square or close by, we can quote for service penetrations. Being close to the A85 and A90, Dundee is easy to get to with materials and equipment. Sites close to Dundee are covered too, including Woodside (1 mile north-east), Stobswell (1 mile east), Downfield (1 mile north-west), Blackness (1 mile south-west) and West End (1 mile south-west). Nearby towns on our patch include Broughty Ferry (4 miles east), Barnhill (5 miles east), Douglas (3 miles east), Gowrie Park (3 miles west), Ballumbie (3 miles north-east) and Invergowrie (3 miles west).

Around Dundee

Recent enquiries here include premises near 'The Clep' Public House, St Roque's Library and Lawside Academy. For rail, the closest station is Dundee station, about 1.2 miles south. Nearby you will also find Dudhope Castle (0.7 miles south) and McManus Gallery (0.8 miles south-east). The countryside around Dundee includes Balgay Hill and Trottick Mill Ponds.

Map of Dundee © OpenStreetMap contributors

Building owners, agents and FMs in Dundee

Hotels, schools, healthcare sites, offices and retail units book us directly too. The work is planned around how the building runs, so guests, pupils, patients or staff are disturbed as little as possible.

Main contractors use us as their sealant subcontractor on new-build and refurbishment projects. We work to your programme, your specification and your site rules.

Honest limits

Being straight saves everyone time. New sealant won’t cure:

  • Writing the fire-stopping specification
  • Approving the work on behalf of building control
  • Construction that lacks the fire resistance the seal relies on

If you’re not sure, just phone 01277 525 020 or send details through our quote form and we will give you a straight answer.

What we seal

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

Trusted. Accredited. Insured.