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

Construction Mastic in Dunnet

Construction mastic in Dunnet, backed by over 20 years in commercial sealing. Fully insured and CHAS accredited.

  • Old sealant on a refurbishment that needs stripping before new work
  • Sanitary sealant damaged by following trades
  • Frame gaps too wide for sealant alone
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
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
South East, London & Scotland
CHAS & Constructionline
£5m public liability

Construction mastic in Dunnet

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

Construction mastic around Dunnet: points for this area

The sea is no more than about 1 mile from Dunnet. On a coastal site, facade and perimeter joints face driven rain and, closer to the beach, salt, and the sealant, primer and backing need choosing with that in mind. The east of Scotland, where Dunnet is, gets less rain than the west. Cold, damp starts still stop external sealing on some days. We programme around it with the site team.

Historic houses such as Castle of Mey, 4.5 miles to the east of Dunnet, are a reminder of the older buildings in the wider area, where sealing against old stone, brick or timber needs compatible products.

Dunnet is about 7 miles east of Thurso, in Highland. Commercial clients in Dunnet can call on us for mastic packages. 256 places across Highland fall within our area, including Dunnet.

Anyone looking for construction mastic in KW14 gets the same process as the rest of our area: details, then a fixed price, then sealing and a 12-month guarantee. Nearby places we also cover include Brough (2 miles north), Castletown (3 miles south-west), Scarfskerry (3 miles north-east), Rattar (3 miles north-east) and Murkle (4 miles south-west) for mastic packages. For island and remote sites, travel and materials need planning ahead, so include the location in your enquiry.

Local landmarks in Dunnet

Other landmarks nearby include Westside Croft (0.5 miles north-west) and Castle of Mey (4.5 miles east). Open spaces near Dunnet include St John's Loch.

Map of Dunnet © OpenStreetMap contributors

How we handle construction mastic in Dunnet

The specification and the programme set the job. Where the specification names a product, we use it; any alternative we suggest is put to you before anything changes. Backing, primer and depth follow what the sealant maker sets out. If you’re dealing with cracks opening in caulked internal joints and inconsistent sealant finishes from plot to plot, we can help, on cladding and panel joints, sanitary and kitchen joints and internal decorators’ caulk alike. For commercial sealant work in Dunnet, you deal with one contact from quote to sign-off, whether it’s one building or several.

Outside mastic in Scotland needs a dry, frost-clear joint, and in a place like Dunnet that means watching the forecast. We build some give into the plan and agree it with the site manager.

We sign every job off with a 12-month guarantee. It’s a plain promise: if our work fails within that year, we put it right.

The Mastic Doctor team beside their liveried vans in front of an office building
Location
Dunnet (KW14)
Wider area
Highland
Guarantee
12 months on our workmanship
Quotes
Fixed quote, scope in writing
Call
01277 525 020
Last updated
3 November 2026

Our process

A typical day starts with protection: tape along each joint edge and covers over finishes, stock and equipment close by. On site, the work usually takes a day or two on a small fit-out and several weeks on a large multi-storey package, and we clear our waste as we work. Tell us who will meet us and how to get in at your building near Dunnet. We’ll confirm the plan with the fixed quote.

  1. Drawings, the sealant specification and your programme come to us for pricing.
  2. We return a fixed quote that ties the mastic package to your programme.
  3. Any site paperwork you need (RAMS, insurance certificate, CSCS details) is confirmed with the quote.
  4. Work follows the programme, area by area, as rooms and elevations become ready.
  5. Every joint is prepared, set to depth and sealed with the specified product.
  6. Before handover, snags are dealt with and the package is signed off under our 12-month guarantee.

Getting the site ready

  • Arrange parking or a loading space
  • Send asbestos survey details if the building is pre-2000
  • Make sure the joints can be reached

Ask for a quote

Every job follows the same four steps: send details, get a quote, we seal, guaranteed. The first step is to call the office on 01277 525 020 or email drawings and photos with what you know.

Get a quick quote

Read more

Dunnet: questions and answers

Is Dunnet off your patch?

Not at all. Dunnet 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.

Does a coastal location like Dunnet affect which sealant is used?

It can, yes: buildings near the sea take more wind-driven rain, and salt in the air nearer the shore. That puts more weight on product choice, primers where the manufacturer specifies them, and correct joint sizing.

Are you fully insured?

Yes. Our insurance certificate can be sent alongside the quote.

Can the sealant be colour-matched?

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.

Does weather matter for sealant work?

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. Inside work is seldom held up.

What’s the quickest route to a quote?

The quote form is the simplest route, though you can also phone 01277 525 020 or email drawings and photos. Include photos or drawings if you have them.

Do you take on small jobs?

Whatever the size, the process is the same: details, then a fixed price, then sealing, then a 12-month guarantee.

How the quote is worked out

Each job is priced on its own details. The things that drive the figure:

  • Whether old sealant has to be cut out first
  • Distance, for remote addresses
  • Phasing around occupants
  • Which sealant the job calls for

A quote for mastic packages depends on quantities, condition and access, plus any specification you’re working to. Call for a quote.

Details that help us quote

A good diagnosis starts with the right details. Tell us:

  • The product your specification calls for
  • The asbestos register, for older buildings
  • Rough lengths or quantities, or drawings if you have them
  • Photos of the joints, close up and from further back

Photos, drawings or a schedule of the joints are often enough for a fixed quote. If the job needs a look first, we will arrange a site visit.

Why deal with it now?

Leaving mastic to whichever trade is fitting the element can look cheaper on paper. The result tends to be uneven finishes and arguments about who should seal what. A single mastic package gives one point of responsibility. Renewing every failing joint on one visit is the sensible approach for a place like Dunnet. Send photos and we’ll quote for everything together.

The work involved drives the cost: stripping out, preparation, sealing, access and phasing. Call for a quote and we’ll explain how it’s made up.

Why us?

  • Public liability insurance in place
  • One contact handling all your sites
  • Colours confirmed for the specified product
  • CHAS accredited

Read what affects the cost or our accreditations.

Building owners, agents and FMs in Dunnet

Hospitality, education, healthcare, office and retail clients 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.

When you manage a building on behalf of an owner, you need clear quotes and clear reporting. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative.

Do you need construction mastic in Dunnet?

A new building moves while it dries and settles. Materials lose construction moisture and shrink, which opens up internal joints, particularly where caulk has been used in a joint that moves. Picking a flexible sealant where there’s movement keeps snags down.

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

  • Frame gaps too wide for sealant alone
  • Failed sealant in an existing building being refurbished
  • Frame perimeters left unsealed or poorly sealed
  • Different trades sealing to different standards

Hotels like Northern Sands Hotel, less than half a mile south-west of Dunnet, rarely close for long, so refurbishment mastic is phased floor by floor.

What to look for in a quote

  • What the guarantee covers, and for how long
  • How the existing material will be dealt with
  • How they handle RAMS and site documents
  • Their plan for phasing and protecting the area

Questions to ask before you appoint anyone

Looking after the joints

Regular inspection catches problems early. Specifically:

  • Ask installers to correct oversized gaps first
  • Release areas for mastic once other trades have finished in them
  • Keep product details for future maintenance
  • Share drawings and the specification as soon as possible

The package carries our 12-month guarantee for workmanship. Damage by others isn’t a workmanship fault which is why protection after sealing matters.

Snag items left to the last week put handover at risk. A planned close-out through each area as it completes keeps the list short, and avoids a rush.

Accreditations

Trusted. Accredited. Insured.