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

Sealant specialists in Crawford

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

  • Messy, uneven beads from earlier work that let the building down
  • Black mould through washroom sealant that won’t clean off
  • Frame sealant that has cracked, shrunk or pulled away
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
12-month guarantee on our workmanship.
South East, London & Scotland
CHAS accredited
Fully insured: £5m PL

Commercial sealant contractors for businesses in Crawford

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

Sealant applicators in Crawford

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 window and door perimeters, movement joints in walls and floors and external facade joints, and what we are called in for most is sanitary sealant that has gone black and patchy and smeared sealant across finishes from a rushed job. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, in Crawford it comes down to the same thing: the right product in a properly prepared joint.

In Crawford, as anywhere, the first joints to go are normally the ones that work hardest: south-facing perimeters, entrance thresholds and busy washrooms.

For a job around Crawford, the Scottish weather is part of the planning: outside joints need dry, frost-clear surfaces, so we agree a window with some give in it. Internal joints can be done whatever the day brings.

What our 12-month guarantee covers is the way we did the job: preparation, application and finish. It doesn’t extend to damage, other trades’ later work or movement the joint was never designed to take.

The Mastic Doctor team beside their liveried vans in front of an office building
Location
Crawford (ML12)
Wider area
South Lanarkshire
Cover
12 months on our workmanship
Quote
A fixed quote before we start
Telephone
01277 525 020
Page updated
3 November 2026

Building owners, agents and FMs in Crawford

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, plus a 12-month guarantee.

Whether you’re a managing agent, a property factor or an owner’s representative: send details, get a fixed quote, we seal, guaranteed. Keys, access and contacts can be agreed in advance.

Questions about Crawford

Can you supply sealant in our brand colour for a site in Crawford?

Yes, sealants come in a wide range of standard colours, and matching to RAL references, cladding, stone or frames is a common request. The quote lists the colours the product is made in.

Is Crawford too small for you to travel to?

No. Small places get the same service as large ones. We cover the whole of Scotland. We plan jobs in smaller places so return trips are kept to a minimum.

Does the weather affect the work?

For external joints, yes. Sealant needs a dry joint and a temperature within the product’s range, so damp, frosty or very cold days can stop external work. Inside work is seldom held up.

How soon can the area be used again?

The product and site conditions decide that. Some products skin over quickly but need longer to cure fully, so we will confirm the curing time on the day.

Do your applicators hold CSCS cards?

Yes. Should the site need card details in advance, let us know and we’ll send them with the quote.

Is failed sealant stripped out, or sealed over?

The old bead is stripped out first. Then the joint is cleaned, primed where the maker specifies, backed to depth and resealed.

How long will the new sealant last?

It depends on movement, UV and weather, cleaning, traffic and the product. Treat them as maintenance items and inspect them regularly.

How the quote is worked out

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

  • Backing rod, priming and other preparation
  • Access and working height
  • Which sealant the job calls for
  • How much existing material needs removing

There’s no price list, since every building and every scope is different. For a fixed figure, call for a quote and we’ll price your job on its own details.

Sending details for a quote

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

  • Anything awkward about access or site hours
  • Where the site is, with the postcode
  • Any dates the work must fit around
  • Clear photos of the problem areas

Need a figure for a tender or a budget? We’ll quote against your scope and drawings you can plan around. If you have questions first, phone 01277 525 020 or email us.

How a job runs

On arrival, we sign in, go through any site induction and check how permits are handled. Everything around the joints gets protected before any cutting starts, with the work itself typically taking a few hours to several days on most single sites, depending on joint lengths and access. Jobs near Crawford are often grouped with others in the same area. Tell us how flexible your dates are.

  1. First, details reach us through the quote form or a site visit.
  2. We diagnose the cause of failure and price a fixed scope.
  3. Where parts of the building must stay open, the work is phased.
  4. Every failed bead is removed rather than covered.
  5. Each joint gets a suitable sealant, laid to depth and tooled.
  6. A final walk-round, then the 12-month guarantee applies.

What we need from you

  • Confirm the product named in the specification
  • Tell us your opening times and when work is allowed
  • Flag any permit to work we will need

Ask for a quote

Every quote starts with the facts: what’s there, how much of it, how we reach it and what’s specified. Send what you have, and we will arrange a site visit if anything is unclear.

Get a price

Advice

Looking after the joints

A few simple habits keep the new joints working:

  • Log reseals in the O&M or maintenance records
  • Have extract fans checked so wet areas dry out
  • Ask cleaners to use a soft cloth and mild cleaner on sealant
  • Report cracked or peeling sealant early

In washrooms and kitchens, extraction makes a real difference to sealant life. Extraction that isn’t working keeps the joints wet. Your maintenance team can look at extract fans at the same time.

In kitchens and washrooms, a failed joint is a cleaning problem as well as a leak risk. Cleanability is something environmental health officers pay attention to, which makes sound joints worth keeping on top of.

Sealant on show in Crawford’s commercial buildings

Crawford is in the east of Scotland, which is drier than the west. Cold, frosty mornings and condensation on steel and glass can still delay outside work.

A lasting commercial joint around Crawford begins with the old bead fully out and the faces clean and dry.

Crawford is about 20 miles south of Carluke, in South Lanarkshire. If you are looking for commercial sealant contractors in Crawford, we can help, as we do across South Lanarkshire. We work across 134 places in South Lanarkshire. Our Glasgow page has more on work in that area, about 36 miles away.

Anyone looking for commercial sealant contractors in ML12 gets the same process as the rest of our area: details, then a fixed price, then sealing and a 12-month guarantee. We cover commercial and managed buildings on Lindsay Square, Dunalastair Road and Carlisle Road and the roads nearby. Sites close to Crawford are covered too, including Elvanfoot (2 miles south), Abington (2 miles north-west), Crawfordjohn (5 miles west), Roberton (5 miles north) and Leadhills (6 miles south-west). Nearby towns on our patch include Lanark (15 miles north), Lesmahagow (15 miles north-west), Biggar (12 miles north-east), Douglas (10 miles north-west), Coalburn (13 miles north-west) and Symington (9 miles north).

Local landmarks in Crawford

Locally, jobs take us to sites close to Post Horn Hotel. Other landmarks nearby include Crawford Castle (0.5 miles north). Green spaces nearby include Tewsgill Hill.

Map of Crawford © OpenStreetMap contributors

What we are called out for in Crawford

Resealing over the top is a false economy we come across often. Fresh sealant won’t stick to the old bead underneath. By the time it shows, there can be two or three layers to cut out.

Most enquiries start with something like this:

  • Hardened, chalky sealant on south-facing or exposed elevations
  • Untidy joints in a reception, shop floor or lobby
  • Frame sealant that has cracked, shrunk or pulled away
  • Black mould through washroom sealant that won’t clean off

In hotels such as Post Horn Hotel, which lies north-west of Crawford, refurbishments normally mean bathroom, bar and reception joints where a matched sealant colour has to sit with the finishes.

Questions to ask before you book

  • Health and safety accreditation such as CHAS
  • Their plan for phasing and protecting the area
  • Do they follow the manufacturer’s priming guidance?
  • How they handle RAMS and site documents

How to choose a sealant contractor

When it isn’t the sealant

Our job is the joint, not everything around it. Sealant alone won’t deal with:

  • A failed roof covering or waterproofing membrane
  • Walls or slabs moving more than any sealant can take
  • Faulty windows rather than failed perimeter sealant

If you are not sure, just phone 01277 525 020 or email us and we will give you a straight answer before you book.

Surfaces we seal

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

Trusted. Accredited. Insured.