The Mastic Doctor team standing beside their branded vans outside an office building
Na h-Eileanan Siar · Scotland

Coloured Sealant in Back

Our CSCS-carded applicators take on coloured and colour-matched sealant for visible joints in Back and the surrounding area. Send photos or drawings for a fixed quote.

  • Joints that need to match a new RAL frame colour
  • Marked sealant in hotel bathrooms
  • Smeared sealant on stone or joinery
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
12-month guarantee on our workmanship.
London, the South East & Scotland
CHAS & Constructionline
Fully insured: £5m PL

Coloured sealant across Back

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

On site: what to expect

Working in a building that stays open takes some planning. We sign and contain the area we are in, keep walkways clear and work section by section so the rest of the building stays in use. For a building near Back, directions, keys and a contact on the day are worth sorting early. That goes into the plan alongside the quote.

  1. We start with photographs, drawings or a visit to see the finishes.
  2. We send the closest colours from the product’s range.
  3. The programme and access are agreed, including any phasing.
  4. Joints are prepared, primed where specified and backed.
  5. The agreed colour is installed and tooled neatly.

Getting the site ready

  • Move anything stored against the joints
  • Tell us your opening times and when work is allowed
  • Flag any permit to work we will need

Request a quote

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

Get a price

Read more

Coloured sealant in Back, done properly

Shop fits, hotels and offices are where colour-matched sealant earns its place. A mismatched bead can make good joinery look unfinished. We pick a colour from the product’s range that sits with the finish. If you are dealing with smeared sealant on stone or joinery and white or grey sealant that clashes with the finish, we can help, whatever the surface. For commercial sealant work in Back, you deal with one contact from quote to sign-off, for single jobs and planned programmes alike.

For a job around Back, the Scottish weather is part of the planning: sealant needs a dry joint and the right temperature, so external work has a weather window built in. Indoor work isn’t held up by rain.

Our 12-month guarantee is about workmanship, not wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, so we are clear about what is covered before work starts.

Mastic Doctor team members lined up next to their branded vans outside an office building
Place
Back (HS2)
Wider area
Na h-Eileanan Siar
Cover
12 months on our workmanship
Quote
Quoted before any work starts
Phone
01277 525 020
Updated
3 November 2026

Why it’s worth doing now in Back

It’s far cheaper to approve a sample than to strip and redo a full run. A sample takes little time against redoing a whole elevation. Exposed buildings in Scotland take a lot of weather, and for a smaller place like Back, a repair visit takes planning, so it’s better to act early.

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.

Why appoint us

  • Work carried out by CSCS-carded applicators
  • One number for every site we cover
  • Colours chosen to suit frames, cladding or finishes where possible
  • Colour options checked against the specified product

See our cost guide or our accreditations and insurance.

What sealant work can’t fix

We check first that sealant really is the fix. It isn’t the answer for:

  • Materials with mixed tones that defy a single match
  • Stopping sealant from ever changing colour outdoors
  • Exact bespoke colour matches beyond the product’s range

If in doubt, call the office on 01277 525 020 or send details through our quote form and we’ll say what we think before you book.

Surfaces we seal

  • Hotel bathrooms and public areas
  • Natural stone and brick
  • Shop-fit joinery and counters
  • Office fit-out finishes
  • Powder-coated and anodised frames
  • Cladding panels

How the job changes by surface

Paintable sealants

Overpainting is most common on internal joints with little movement. We will tell you if a joint needs a non-paintable product.

Office fit-outs

Office fit-outs include glazed partitions, kitchens, washrooms and reception areas. Colour-matched joints keep the finish consistent across floors at handover.

Maintenance after handover

Cleaning and maintenance staff play a part too. Share these points with them:

  • Insist on the agreed colour for any repair
  • Reseal whole runs rather than patching single joints
  • Settle the colour with the designer at the start
  • Keep harsh solvents away from visible joints

Check visible joints during routine inspections. Look for splits, lifting edges and staining, and plan resealing before it looks tired.

Include coloured joints in a planned maintenance cycle. Replacing them on a schedule keeps finishes looking right across the building.

Signs you need coloured sealant in Back

Exposure takes its toll on colour. UV, grime and weathering alter how a bead looks after a few years, and an old match drifts. Resealing is the chance to reset the colour.

Common reasons buildings call us in:

  • Standard-colour sealant spoiling a high-end finish
  • Marked sealant in hotel bathrooms
  • Old sealant that has yellowed, darkened or faded
  • Smeared sealant on stone or joinery

Where a joint is on show in Back, we’ll check which shades the product offers before work starts.

What your quote should include

  • Whether their applicators hold CSCS cards
  • Their pre-qualification and accreditations
  • Whether old or failed sealant will be cut out, not overlaid
  • How they handle RAMS and site documents

Choosing a commercial sealant contractor

Shops, offices and hotels in and around Back

Back sits close to the coast, within about 1 mile. Buildings near the sea put their external joints through more driven rain, with salt air nearer the beach. We choose a product rated for the exposure, then confirm the colours available for it. Back is on Scotland’s wetter western side. Outside sealing needs dry spells and a programme that can move a little. Weather-facing frames tend to need resealing before the sheltered ones

Whatever the building in Back, commercial sealant work starts with cutting out the failed bead and cleaning the joint back to sound material.

Back is about 6 miles north-east of Stornoway, in Na h-Eileanan Siar. Any commercial site in Back is covered. Back is one of 87 places we cover in Na h-Eileanan Siar.

We cover the HS2 postcode districts for colour-matched joints. Streets here include Broadbay View, Rathad na Sgoile and Sraid na H-Eaglaise. Nearby places we also cover include Sulaisiadar (5 miles south-east), Garrabost (5 miles south-east), Na h-Eileanan an Iar (5 miles south), Knock (5 miles south) and Aiginis (5 miles south). Island and remote sites need extra planning, with travel, ferry crossings where needed and weather to allow for, so mention the location when you speak to us on 01277 525 020 or email a schedule or drawings.

What’s near Back

A little further out are Western Isles Hospital (5.4 miles south-west). Open spaces near Back include Loch Langavat.

Map of Back © OpenStreetMap contributors

Questions we are asked in Back

Do you work on the island where Back is?

Yes. Our area covers all of Scotland, cities, towns and islands alike, and that includes island locations such as Back. We group island work where we can and plan around the crossings.

Do you offer colour-matched sealant for buildings in Back?

Yes, we can normally get close to most finishes from the product’s colour range. Available colours for the product are confirmed with the quote.

How long do sealant joints 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.

How many days will you need on site?

We plan the time on site around your programme and access. We will give you an estimate of time on site when we quote.

Can weather delay the job?

It can, when the joints are outside. Wet joints and cold, damp or frosty conditions stop the sealant bonding properly, so we watch the forecast and rearrange outside work if we have to. Indoors, the weather is rarely a problem.

Do you take on small jobs?

Single areas, one-off repairs and whole buildings are all quoted the same way: details, then a fixed price, then sealing, then a 12-month guarantee.

Do you guarantee your work?

Yes. It runs for twelve months and covers how we prepared and sealed the joints, though not damage or work by other trades.

Accreditations

Trusted. Accredited. Insured.