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

Fire-rated sealing and fire stopping in Longniddry, East Lothian

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

  • Seals that don’t match their tested detail
  • Fire sealant pulled out of the opening
  • Openings found when ceilings come down for a refit
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
Constructionline member
£5m PL insurance

Fire stopping in Longniddry

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

Fire stopping in Longniddry

We are commercial sealant applicators, CHAS accredited and a Constructionline member, with CSCS-carded applicators on site. We don’t hold a third-party fire-stopping installer certificate and we’d rather say that up front. What we offer is careful installation of the specified sealant to its tested detail, with a 12-month guarantee on our workmanship. Site teams most often ask us about open linear gaps along the top of fire-resisting walls and seals disturbed by maintenance and left open, on linear gaps at wall heads, small duct penetrations where the tested detail allows and joints between fire-resisting walls and floors. A specialist sealant contractor works differently from a general builder: on jobs in Longniddry, preparation and product choice get the time they need.

In smaller Scottish places like Longniddry, buildings with fire-resisting walls typically include schools, care homes, hotels and health centres. Where services pass through, specified fire-rated sealant is installed following the manufacturer’s guidance for that wall or floor.

We stand behind the joints we seal: 12 months, guaranteed. That covers our preparation and application, and if something we did falls short, we return to it.

Place
Longniddry (EH32)
Wider area
East Lothian
Guarantee
12 months on our workmanship
Quote
A fixed quote before we start
Call
01277 525 020
Updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

Common problems we fix in Longniddry

A common fault is a product that was never fire-rated in the first place: expanding foam or a general-purpose sealant pushed into a gap to tidy it. It may look closed, but it has no tested fire performance in that position, so it has to come out.

Look out for the following:

  • Snag lists that include open service penetrations
  • Unsealed openings around new pipes and cables
  • Fire sealant pulled out of the opening
  • Seals that don’t match their tested detail

Offices at parks like Macmerry Business Park, 1.9 miles to the south of Longniddry, are re-cabled with each new tenant, and compartment walls need sealing afterwards to the tested detail.

What to look for in a quote

  • The named product and why it was chosen
  • Is depth set with backing rod, or bond-breaker tape in shallow joints?
  • Their plan for phasing and protecting the area
  • How the existing material will be dealt with

Questions to ask before you appoint anyone

Aftercare for building managers

Regular inspection catches problems early. In particular:

  • Make fire stopping part of every scope that crosses a fire-resisting wall
  • Get seals inspected before ceilings and boxing close
  • Record which product was used where
  • Report damaged or disturbed seals as soon as they’re spotted

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

Regular walk-rounds of service areas are worth the time. A cracked or disturbed seal found early is a small job compared with dozens found at once.

What we can’t put right

We seal joints; we don’t mend everything behind them. On its own, sealant can’t deal with:

  • Designing or specifying fire stopping, which sits with the designer or fire engineer
  • Reviewing a building’s overall fire safety
  • Gaps in walls that were never built as compartment walls

Not sure which it is? You can speak to us on 01277 525 020 or email a schedule or drawings and we’ll tell you honestly before you book.

Where we work in Longniddry

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

Diagnose, treat, sign off

We schedule the visit to fit the site hours and access windows you give us. On the day, the work area is kept contained and tidy, and we check in with your contact before moving on to each new area. Tell us who will meet us and how to get in at your building near Longniddry. That goes into the plan alongside the quote.

  1. First we go through the drawings, schedule or specification for the seals.
  2. On site, each opening is checked against the tested detail it is meant to follow.
  3. Unsuitable fillers and loose debris are taken out of each opening.
  4. Mineral wool or other backing goes in wherever the detail asks.
  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

  • Warn occupants and staff about the work
  • For older buildings, check the asbestos register before work
  • Send your site hours and access windows

Ask for a quote

Every job follows the same four steps: send details, get a quote, we seal, guaranteed. To take the first step, ring 01277 525 020 or email a schedule or drawings.

Get a quick quote

Advice

What sets the cost

These are the things that shape the price:

  • How much there is to seal
  • Induction, permit and paperwork requirements
  • Which sealant the job calls for
  • Whether old sealant has to be cut out first

The specified product makes a difference, as does the preparation each joint needs, from cutting out to priming and backing rod. Access, phasing and site requirements come into it too.

Before you send an enquiry

However big the job, these details speed things up:

  • Asbestos survey details if the building is older
  • The postcode of the building
  • A wide shot and a close-up of the area
  • Access details, including height

Tell us about the building, the joints and when you need the work done, and we’ll put a fixed quote together. To get it moving, give us a call on 01277 525 020 or email drawings and photos.

Compartments and services around Longniddry

Under the Scottish non-domestic Technical Handbook, clause 2.1.14, penetrations should be fire stopped to at least the wall or floor’s fire resistance duration, with proprietary products, intumescent ones included, tested for their end use. We install what’s specified, to the product’s tested detail.

At a healthcare site like Roodlands General Hospital, 3.9 miles east of Longniddry, new services through compartment walls are a constant, and each needs the specified seal.

Longniddry is about 4 miles west of Haddington, in East Lothian. Looking for fire stopping in Longniddry? We can help. 48 places across East Lothian fall within our area, Longniddry among them. Sites around Edinburgh have their own page, about 12 miles away.

We take on service penetrations across the EH32 postcode area. For a building on Main Street, Station Road and Lorne Way or nearby, send details and we’ll quote for service penetrations. Sites close to Longniddry are covered too, including Gladsmuir (2 miles south-east), Macmerry (2 miles south), Cockenzie and Port Seton (2 miles west), Seton (2 miles south-west) and Aberlady (3 miles north-east). Further afield, our area takes in Musselburgh (7 miles west), Haddington (4 miles east), Dunbar (15 miles east), North Berwick (9 miles north-east), Prestonpans (4 miles west) and Wallyford (5 miles south-west). Longniddry ranks among the main centres of East Lothian, with offices, shops, schools and other public and commercial buildings.

Near you in Longniddry

Locally, jobs take us to sites close to Gosford Park, among other places. There’s a railway station in Longniddry itself: Longniddry station. Other landmarks nearby include Roodlands General Hospital (3.9 miles east) and Seton Palace (1.6 miles west). Not far away are Skid Hill and Marl Loch.

Map of Longniddry © OpenStreetMap contributors

Owners, agents and contractors

Facilities managers want contractors who arrive with the paperwork sorted. Let us know the documents you need (RAMS, insurance certificate, CSCS details) and we will confirm them with the quote.

Hotels, schools, healthcare sites, offices and retail units come to us directly as well. We plan around the way the building is used, so guests, pupils, patients or staff are disturbed as little as possible.

Longniddry: questions and answers

Is Longniddry too far out for you?

Not at all. Longniddry is within our area. Our area covers all of Scotland, cities, towns and islands alike. We plan jobs in smaller places so return trips are kept to a minimum.

Can you take on a job at a hospital such as Roodlands General 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.

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 will price it properly.

What changes on 2 September 2029?

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. In Scotland, the Technical Handbook sets its own guidance.

Can weather delay the job?

Outside, yes. Sealant needs a dry joint and a temperature within the product’s range, so damp, frosty or very cold days can stop external work. Internal work is rarely affected.

How long does a typical visit take?

That varies with the scale of the job, but the work normally takes a single visit for a short list of penetrations, or a phased programme for a whole building. For bigger or phased jobs, we’ll set out a timescale with the quote.

Do you guarantee your work?

Yes. The 12-month guarantee covers our preparation and application, though not damage or work by other trades.

Accreditations

Trusted. Accredited. Insured.