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

Commercial sealant contractors in St Mary's, Orkney Islands

Planning work on a sealant joint in St Mary's? We look at it, seal it with the right product and hand it over with a 12-month guarantee.

  • Frame sealant that has cracked, shrunk or pulled away
  • Gaps behind commercial kitchen worktops and sinks
  • Movement joints packed with grit and debris
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
South East, London & Scotland
Constructionline member
Fully insured: £5m PL

Need commercial sealant contractors in St Mary's?

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

When to bring in a specialist

Certain joints really need a specialist: for instance fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. A poor seal in places like these tends to cost more to put right later.

There’s also the paperwork. Many sites expect CSCS cards, RAMS and proof of insurance, and we will confirm the paperwork you need with the quote.

About our commercial sealant contractors in St Mary's

Commercial occupiers rarely want a floor out of action for sealant work. Work is scheduled around the site hours and access windows you give us; phased work can also be planned so areas stay in use. It’s the same approach in offices, retail units, hotels, schools and healthcare buildings. We work on washrooms and tea points, external facade joints and movement joints in walls and floors, and the usual reasons a site gets in touch are movement joints packed with grit and debris and hardened, chalky sealant on south-facing or exposed elevations. Whoever orders the work in St Mary's, the brief is typically the same: a clear scope, tidy work and joints that don’t fail again.

We price commercial jobs in St Mary's from photos, drawings or a site visit, and the scope is set out in writing.

For work in and around St Mary's, we’d rather do everything on one trip, so it helps to have photos and a full list first. Several jobs nearby can also be put together.

Guaranteed is the last step of every job. You get a 12-month guarantee on our workmanship, and we explain exactly what that covers when we quote.

The Mastic Doctor team beside their liveried vans in front of an office building
Place
St Mary's (KW17)
Region
Orkney Islands
Guarantee
12 months on every job
Quotes
Fixed quote, scope in writing
Phone
01277 525 020
Last updated
3 November 2026

How the quote is worked out

The price varies from site to site. Expect it to depend on:

  • Whether the work must be split into stages
  • Travel to remote or island sites
  • Removal of failed or old sealant
  • The total length or number of joints

There’s no price list, because the scope varies so much from one building to the next. For a fixed figure, call for a quote.

Details that help us quote

A good diagnosis starts with the right details. Let us know:

  • The product your specification calls for
  • Drawings or a marked-up plan, if available
  • Asbestos survey details if the building is older
  • Photos of the joints, close up and from further back

A good quote starts with a clear picture: what’s there, how much of it, how we reach it and what’s specified. Share whatever details you have and we will fill any gaps with a visit.

Your questions answered

Is St Mary's inside the area you cover, given it’s on an island?

Yes. Islands are part of our area, St Mary's included. We plan island jobs around the ferry and the forecast, and bring everything the job needs on the first crossing.

Do you offer colour-matched sealant for buildings in St Mary's?

Yes. Colour matching to frames, cladding, stone and shop-fit finishes is a regular part of the work. Send colour references or photographs and we will confirm what’s available for the product.

Are you CHAS accredited and on Constructionline?

Yes. CHAS accredited, Constructionline member, and our applicators hold CSCS cards.

Could the old sealant in an older building contain asbestos?

It’s possible in older buildings, especially those built before 2000. We ask to see the asbestos register or survey before disturbing old sealant, and if something is suspected, work stops until it’s tested.

When can the area be used after sealing?

That comes down to the sealant and the temperature. Some take light use quickly, others need longer to cure, and we confirm it before leaving site.

What site paperwork can you provide?

Tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we’ll confirm with the quote. We are CHAS accredited and a Constructionline member, with five million pounds of public liability insurance.

Which sealant will you use?

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 we can’t put right

Before quoting, we check that sealant is the right answer. It isn’t the answer for:

  • Cracking that needs a structural engineer to look at it
  • Suspect materials that need testing and specialist removal
  • Faulty windows rather than failed perimeter sealant

If you’re not sure, just call the office on 01277 525 020 or email us and we will give you a straight answer before you book.

Surfaces we seal

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

On site: what to expect

Occupied buildings need a little choreography. We sign and contain the area we’re in, keep walkways clear and work section by section so the rest of the building stays in use. Jobs near St Mary's are often grouped with others in the same area. Let us know if your dates have any give.

  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. A suitable product for each joint goes in at the right depth and is tooled.
  6. A final walk-round, then the 12-month guarantee applies.

Before we start on site

  • Make sure the joints can be reached
  • Let building users know which areas are affected
  • Tell us your opening times and when work is allowed

Get a fixed quote

If there’s a specification, drawings or a tender package, send it with your enquiry, and we will price against exactly what is specified. For smaller jobs, photos and a description will do.

Ask for a quote

Related advice

Looking after the joints

Regular inspection catches problems early. In particular:

  • Report cracked or peeling sealant early
  • Keep abrasive pads and scrapers off resealed joints
  • Add sealant to the planned maintenance inspection list
  • Have extract fans checked so wet areas dry out

New joints need their full cure time before they take water, cleaning or traffic. Cure time varies with the product, conditions and depth of the joint, and we confirm it when each area is handed back. Leaving the area closed until then keeps the bead neat.

Each spell of wet weather pushes more water through an open joint. Behind a panel or frame, that water can sit unseen for a long time. Catching it at the sealant stage avoids the bigger repair.

What St Mary's’s businesses ask us to seal

The sea is no more than about 1 mile from St Mary's. 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. Work on St Mary's has to fit the ferry timetable and the forecast. Send photos, a complete list and any colour references first, so nothing is left behind.

A lasting commercial joint around St Mary's begins with the old bead fully out and the faces clean and dry. For premises around St Mary's where the joint is seen, colour options for the product are confirmed with the quote.

St Mary's is about 6 miles south of Kirkwall, in the Orkney Islands. We send applicators to St Mary's for sealant joints. We work across 51 places in the Orkney Islands, from busy centres to rural villages.

Commercial sites across KW17 are covered. If your site is on Station Square, St Mary's Road and Storehouse Place or close by, we can quote for sealant joints. We also cover Upper Sanday (3 miles east), Burray Village (4 miles south), Toab (4 miles north-east), Grimness (5 miles south) and St Margaret's Hope (5 miles south). St Mary's ranks among the main centres of the Orkney Islands, with offices, shops, schools and other public and commercial buildings, and we cover them all. For island and remote sites, we plan travel and materials carefully, so include the location in your enquiry.

Landmarks near St Mary's

Nearby you’ll also find Balfour Hospital (5.8 miles north) and Graemeshall Museum (0.5 miles north-east). Open spaces near St Mary's include Gaitnip Hill and Loch of Ayre.

Map of St Mary's © OpenStreetMap contributors

Commercial clients in St Mary's

For main contractors, we work as the sealant subcontractor. Programme, specification and site rules come first, and our applicators hold CSCS cards.

If you look after buildings for someone else, you need clear quotes and clear reporting. You get a fixed quote, an agreed scope and a walk round at the end.

Accreditations

Trusted. Accredited. Insured.