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

Fire-rated sealing and fire stopping in Charlestown, Aberdeen

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

  • Head-of-wall gaps with no fire seal
  • Expanding foam used as fire stopping
  • Seals that don’t match their tested detail
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
Covering the South East & Scotland
CHAS & Constructionline
Fully insured: £5m PL

Need fire stopping in Charlestown?

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

About our fire stopping in Charlestown

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. If the detail calls for something other than sealant, we say so rather than force sealant into it. Site teams most often ask us about damaged fire seals in risers and voids and old intumescent sealant that has split away, across service gaps in risers, pipe penetrations and joints between fire-resisting walls and floors. A specialist sealant contractor works differently from a general builder: on jobs in Charlestown, preparation and product choice get the time they need.

Hotels and care homes around smaller places like Charlestown often have services added during refurbishment. A round of checks after M&E work is good practice, and any gaps found are sealed where fire-rated sealant is specified.

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.

The Mastic Doctor team beside their liveried vans in front of an office building
Place
Charlestown (AB12)
Wider area
Aberdeen
Cover
A 12-month guarantee
Quotes
Fixed quote, scope in writing
Call
01277 525 020
Last updated
3 November 2026

Do you need fire stopping in Charlestown?

Some seals fail because the wrong product went in: builders’ foam or ordinary silicone used to fill a hole. The opening looks sealed but has no fire test evidence behind it and has to be removed.

These are often picked up first by site or facilities staff:

  • Non-fire-rated filler around services
  • Head-of-wall gaps with no fire seal
  • Unsealed openings around new pipes and cables
  • Fire seals cut back for extra cables and never reinstated

On a site such as Balmoral Business Park, 0.7 miles north-east of Charlestown, every fit-out that runs new services through a compartment wall leaves penetrations to seal with the specified product.

What your quote should include

  • How the existing material will be dealt with
  • The terms of the workmanship guarantee
  • Are they CHAS accredited or on Constructionline?
  • Is depth set with backing rod, or bond-breaker tape in shallow joints?

Our contractor checklist

Work for main contractors and building owners

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.

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, and our applicators hold CSCS cards.

How a job runs

Working in a building that stays open takes some planning. We sign and contain the area we are in, with routes through the building left open and work section by section so the rest of the building stays in use. For work around Charlestown, we aim for one trip, so photographs, sizes and a full list matter. Outside work also needs a suitable weather window.

  1. We read the specification, drawings or penetration schedule you send and ask about anything unclear.
  2. On site, each opening is checked against the tested detail it is meant to follow.
  3. Anything that doesn’t belong in the opening, such as expanding foam or general-purpose filler, is removed.
  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.

What we need from you

  • Have the specification and drawings to hand
  • Tell us what induction or permit system the site runs
  • Arrange parking or a loading space

Quotes

Pricing a project or setting a maintenance budget? We will quote against your scope and drawings that you can work with. If you have questions first, call 01277 525 020 or email the details over.

Get a quick quote

Advice

What sets the cost

These are the things that shape the price:

  • Phasing around occupants
  • How accessible the joints are
  • How much there is to seal
  • Distance, for remote addresses

There’s no price list, since every building and every scope is different. For a fixed figure, call for a quote.

Details that help us quote

There’s no need for a formal survey. These details are enough to start:

  • Where the site is, with the postcode
  • Any dates the work must fit around
  • Photos of the joints, close up and from further back
  • Asbestos survey details if the building is older

Send details, get a quote, we seal, guaranteed: that’s how every job runs. The first step is to call the office on 01277 525 020 or email the details over with what you know.

Questions we are asked in Charlestown

Is Charlestown too far out for you?

No. Places such as Charlestown are covered as much as the big towns. We cover the whole of Scotland. We plan jobs in smaller places so return trips are kept to a minimum.

Can you seal penetrations in a hotel in Charlestown after a refit?

Yes, where fire-rated sealant is the specified product. It goes in to the manufacturer’s tested detail for the wall or floor and the services passing through, and we will tell you if the detail calls for a collar, wrap or batt instead.

How long will the new sealant last?

There isn’t a single answer, because life depends on how much the joint moves, how exposed it is and how it’s cleaned and used. Regular inspection is the best way to catch problems early.

Who decides which product is used?

Where there’s a specification, we use the product it names. Otherwise, we recommend a product to suit the joint’s movement, the substrate and the conditions, following the manufacturer’s guidance.

What do you charge?

It depends on the job: quantities, access, the product and any phasing. Call for a quote and we will price it properly.

How long before the joints can be used?

We’ll confirm how long the chosen product needs to cure, and flag anything to keep off until it has cured.

Can you quote from photographs?

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

Surface by surface

Cables and cable bundles

Data cabling added after handover is a regular cause of open service penetrations. We reseal around them to the specified detail, and any bundle too large for sealant alone is flagged.

Linear joints

Joints at the top of partitions may need to move as the slab above deflects. We use the product and backing the detail names for that movement.

Service penetrations in Charlestown buildings

Charlestown has a number of hotels close by, all within 2 miles. A hotel refit often runs new services through compartment walls between bedrooms and corridors, and each opening needs the specified seal. Scotland has its own building standards: the non-domestic Technical Handbook (clause 2.1.14) says service penetrations should be fire stopped to at least the fire resistance duration of the wall or floor, using products tested for the way they’re used. We install what’s specified, to the product’s tested detail.

Hotels such as Aberdeen Altens Hotel, 1 mile to the north-east of Charlestown, rely on fire-resisting walls between bedrooms and corridors, and refits that add services leave penetrations to seal where fire-rated sealant is specified. Halls and meeting rooms at places like St Mary's Church sometimes gain new services, and any compartment wall crossed needs the specified seal.

Charlestown is about 4 miles south of Aberdeen, in Aberdeen. Businesses, contractors and managing agents in Charlestown use us for work on service penetrations, as part of our coverage of Aberdeen. 40 places across Aberdeen fall within our area, including Charlestown.

If you need fire stopping in AB12, the process matches everywhere else we work: details, then a fixed price, then sealing and a 12-month guarantee. Nearby places we also cover include Kincorth (1 mile north), Garthdee (2 miles north-west), Kaimhill (2 miles north), Banchory-Devenick (2 miles north-west) and Broomhill (2 miles north). Nearby towns on our patch include Aberdeen (4 miles north), Rosemount (3 miles north), Berryden (4 miles north), Ferryhill (3 miles north), New Aberdeen (3 miles north) and Dyce (8 miles north-west).

Landmarks near Charlestown

The nearest railway station is Portlethen station, roughly 2.7 miles south of the centre. A little further out are Gordon Highlanders Museum (2.9 miles north-west) and Aberdeen Trades Hospitals (3.3 miles north). Not far away are Blue Hill and Portlethen Moss.

Map of Charlestown © OpenStreetMap contributors

Why deal with it now?

The longer openings stay, the more there tend to be: each new service adds to the list. Keeping on top of it after each round of works keeps the job small. For buildings near Charlestown, dealing with all the failing joints at once saves return trips. Photos of each area help us quote the whole job.

The work involved drives the cost: removing old material, preparing the joints, the product, the access and how the work is phased. Call for a quote and we’ll explain how it’s made up.

Why choose Mastic Doctor in Charlestown

  • Clear, fixed quotes
  • Old sealant cut out, never sealed over
  • One phone line for London, the South East and Scotland
  • 12-month guarantee on workmanship

Take a look at our cost guide and our accreditations and insurance.

Accreditations

Trusted. Accredited. Insured.