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

Sealant specialists in Grimbister

Sealant work for offices, shops, hotels and other commercial buildings in Grimbister. CHAS accredited, Constructionline member, with a 12-month guarantee on workmanship.

  • Sanitary sealant that has gone black and patchy
  • Greasy, split joints in a kitchen or tea point
  • Layers of sealant, all of them failing
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
12-month guarantee on our workmanship.
South East, London & Scotland
CHAS & Constructionline
£5m PL insurance

Commercial sealant contractors near Grimbister

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

What the job involves on each surface

Washrooms and toilets

Mould that has grown into washroom sealant can’t normally be cleaned out. The lasting answer is removal, preparation and a new sanitary bead, room by room if that suits the building.

Facade and cladding joints

Panel joints on cladding and rendered facades open and close with the temperature. They need a sealant with the right movement capability, laid at the right depth. Access, such as scaffold already up, is agreed before the price is fixed.

Commercial mastic work in Grimbister

A reseal stands or falls on the preparation underneath it. Silicone has no grip on cured silicone, so the failed bead is cut out completely and the faces are cleaned until they’re sound and dry, with no dust or grease left. Primer is used wherever the manufacturer calls for it on that surface and the joint depth is controlled with backing rod. Most enquiries involve expansion joints with the sealant torn out and hardened, chalky sealant on south-facing or exposed elevations, across floor and threshold joints, washrooms and tea points and external facade joints. Whether you call it commercial sealant work, mastic application or joint sealing, the work in Grimbister is the same: the right product in a properly prepared joint.

On a typical commercial building in Grimbister, the joints that fail first are the hardest-worked ones: south-facing perimeters, entrance thresholds and busy washrooms.

In smaller Scottish places like Grimbister, commercial buildings are often hotels, pubs, shops, schools, surgeries and farm or estate buildings put to new use. Each has kitchens, washrooms and frames that depend on sound joints.

Whoever the client is, the cover is the same: a 12-month guarantee on our workmanship. Faults in the structure, damage and other trades’ work fall outside it, and we say so plainly.

The Mastic Doctor team standing beside their branded vans outside an office building
Location
Grimbister (KW15)
Region
Orkney Islands
Guarantee
A 12-month guarantee
Quote
Quoted before any work starts
Phone
01277 525 020
Updated
3 November 2026

From enquiry to sign-off

Our CSCS-carded applicators arrive with the sealants, primers and backing rod the job calls for. Joint faces are cleaned back to sound, dry surfaces, the manufacturer’s primer is applied where it’s called for, and the sealant is tooled off neatly. Tell us who will meet us and how to get in at your building near Grimbister. We will confirm the plan with the fixed quote.

  1. Send details through our quote form, or ask for a site visit.
  2. The cause is diagnosed and the scope priced as a fixed quote.
  3. Where parts of the building must stay open, the work is phased.
  4. Old sealant is cut out completely, never sealed over.
  5. Each joint gets a suitable sealant, laid to depth and tooled.
  6. We check the work with you, and the 12-month guarantee starts.

What we need from you

  • Let us know about inductions and permits
  • Send any specification or drawings in advance
  • Tell us which areas need to stay in use

Ask for a quote

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

Ask for a quote

Read more

What we can’t put right

Not every problem is a sealant problem, and we’d rather tell you before you spend money. These need a different solution:

  • Water from a services leak rather than a joint
  • Misted, cracked or failed glazing units (a glazier’s job)
  • Structural cracks or movement the joints weren’t designed for

If you’re not sure, just phone 01277 525 020 or use the quote form and we will give you a straight answer before you book.

Surfaces we seal

  • Kitchen worktops and splashbacks
  • Window and door perimeters
  • Washrooms and tea points
  • Floor and threshold joints
  • Movement joints in walls and floors
  • External facade joints

How the quote is worked out

Before we quote, we look at:

  • Induction, permit and paperwork requirements
  • The size and state of each joint
  • Removal of failed or old sealant
  • Quantities, in metres or numbers

The price depends on the quantity of joints, how much old material needs removing and the access. Call for a quote once you have the details.

What to include in your enquiry

Whether it’s one area or a whole building, the same details help:

  • What the building is and how it’s used
  • Any specification or named product
  • Where the site is, with the postcode
  • A wide shot and a close-up of the area

Quotes are fixed against the scope you send, so the cost is agreed before work starts. To start the process, speak to us on 01277 525 020 or email us.

Questions about Grimbister

Can you take on a job in Grimbister, on the island?

Yes, Grimbister is within the area we cover. Our area covers all of Scotland, cities, towns and islands alike. Ferry times and the weather set the plan, so we ask for photos and a full list first.

Can you match sealant colours for premises in Grimbister?

Yes, sealants come in a wide range of standard colours, and matching to RAL references, cladding, stone or frames is a common request. Available colours for the product are confirmed with the quote.

Can you take on work for an FM or managing agent?

Yes. FMs, managing agents and landlords are among our regular clients. We can work to your instruction process and site rules.

How long will the new sealant last?

It depends on movement, UV and weather, cleaning, traffic and the product. Sealant joints are maintenance items, so inspect them regularly.

How soon can the area be used again?

Curing time varies by product, and we confirm it on the day, and flag anything to keep off until it has cured.

How do you choose the sealant?

The specification comes first, if there is one. If there isn’t one, it comes down to the joint: its movement, its surfaces and what it has to cope with.

Do your applicators hold CSCS cards?

Yes. Should the site need card details in advance, tell us and we will confirm them with the quote.

Why deal with it now?

A failed seal around a window, worktop or panel doesn’t mean the element itself has to go. In many cases the element is fine and only the seal around it has given up. Resealing typically costs far less than renewal. In Scotland, wind-driven rain finds a failed joint quickly, and for a smaller place like Grimbister, a repair visit takes planning, so it’s better to act early.

Pricing sealant joints depends on how many there are, their condition and the access, plus any specification you are working to. Call for a quote.

Why clients in Grimbister choose us

  • A range of standard colours, depending on the product
  • 12 months’ guarantee on every job
  • Matching to RAL references, product permitting
  • Clear, fixed quotes

Take a look at what affects the cost and our accreditations and insurance.

For managing agents and facilities managers

When you manage a building on behalf of an owner, clear figures and clear communication matter. You get a fixed quote, an agreed scope and a walk round at the end, plus a 12-month guarantee.

As a CHAS accredited contractor and Constructionline member, we are straightforward to vet for your supplier list. We’re fully insured, and our insurance certificate can go with the quote.

Sealant on show in Grimbister’s commercial buildings

The sea is no more than about 1 mile from Grimbister. For shops, hotels and offices, that means frontage and frame joints that weather faster than they would inland. A matched colour is only half the brief on an exposed frontage. Being on an island, Grimbister means planning around ferry times as well as the weather. Send photographs, a complete list and any colour references first, so nothing is left behind.

For any commercial premises in Grimbister, a lasting joint depends on full removal of the old sealant and clean, dry faces. Colour matters on frontages and fit-outs, so the quote confirms which colours the chosen product comes in.

Grimbister is about 5 miles west of Kirkwall, in the Orkney Islands. We cover Grimbister, with the same fixed quotes and 12-month guarantee as everywhere else. We work across 51 places in the Orkney Islands, large and small.

Business premises anywhere in KW15 are within our area. If your building is just outside Grimbister, we cover Finstown (1 mile north-west), Heddle (1 mile west), Germiston (2 miles south-west), Kirbister (4 miles south) and Norseman (4 miles north). Island and remote sites need extra planning, with travel, ferry crossings where needed and weather to allow for, so mention the location when you phone 01277 525 020 or email drawings and photos.

Around Grimbister

Well-known places in the area include Balfour Hospital (4.9 miles east) and Kirkwall Castle (4.9 miles east). The countryside around Grimbister includes Loch of Wasdale and Hill of Heddle.

Map of Grimbister © OpenStreetMap contributors
Accreditations

Trusted. Accredited. Insured.