The Mastic Doctor team standing beside their branded vans outside an office building
Argyll and Bute · Scotland

Facade Sealing in Kilmun

Facade sealing in Kilmun, backed by over 20 years in commercial sealing. Fully insured, with a 12-month guarantee.

  • Air leaks through failed facade joints
  • Facade joints cracked through the middle
  • Staining on stone next to old sealant
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
One fixed quote covering the agreed scope.
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
Constructionline member
Fully insured: £5m PL

Facade sealing for Kilmun sites

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

About our facade sealing in Kilmun

Most facade joint failures trace back to the joint, not just the sealant. The width has to suit the expected movement and the sealant’s movement capability, while rod fixes the depth and stops the bead sticking to the rear. If you have new sealant peeling off old mastic and perimeter joints where frames meet the structure, we can help, whatever the surface. Most enquiries from Kilmun start with one failed joint and grow into a wider look at the building: we look at the rest while we are there and tell you what we find.

For a site around Kilmun, we plan the mastic in as few trips as the programme allows. Clear drawings, a programme and photographs let us bring the right sealants, primers and backing rod first time.

Building owners and contractors get the same cover: a 12-month guarantee on our workmanship. It doesn’t extend to damage, faults in the building or work by others, and we are upfront about that.

Where
Kilmun (PA23)
Wider area
Argyll and Bute
Guarantee
A 12-month guarantee
Quote
A fixed quote before we start
Phone
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

What the job involves on each surface

Coping and flashing joints

Coping and flashing joints are included where sealant is the specified fix. These joints take full exposure to weather, so preparation and product choice matter.

Cladding panel joints

On sealed panel systems, every joint keeps water out. We cut out failed joints along their full length and rebuild them with backing and a facade-grade sealant.

Signs you need facade sealing in Kilmun

Most facade joints fail through age and weathering. The bead hardens, chalks on the surface and loses the flexibility to follow the joint.

Typical triggers for a call:

  • Perimeter sealant that has split or peeled away
  • Failed sealant on precast panel joints
  • Cold air coming in at window perimeters
  • Weathered facade joints that have lost their grip

New wings at hospitals like Cowal Community Hospital, 2.7 miles south of Kilmun, bring long runs of window and panel joints to seal.

What to look for in a quote

  • Do they follow the manufacturer’s priming guidance?
  • Will RAMS and insurance details be available?
  • Proof of insurance
  • How long is the guarantee, and what does it include?

Choosing a commercial sealant contractor

Building owners, agents and FMs in Kilmun

Hospitality, education, healthcare, office and retail clients come to us directly as well. We plan around the way the building is used, so guests, pupils, patients or staff are disturbed as little as possible.

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.

Common questions from Kilmun clients

Our building in Kilmun is near the coast: does that change the sealant?

It can, yes: buildings near the sea take more wind-driven rain, and salt in the air nearer the shore. We check the specified product suits the exposure and pay close attention to preparation.

Is Kilmun off your patch?

No. Places such as Kilmun are covered as much as the big towns. We work across every Scottish council area. Where we can, we group nearby jobs to make the most of each trip.

Do you use silicone for external joints?

Low-modulus, neutral-cure silicone suits many facade and perimeter joints. Some joints call for hybrid, PU or polysulphide instead, depending on the substrate and the specification.

Is colour matching possible?

In many cases, yes. Many products come in a range of standard colours, and matching to RAL references or surrounding finishes is often possible. We’ll confirm the colours available for the specified product.

Is any job too small?

Small jobs are welcome alongside larger packages. Photos and a description are enough to start.

Do you take on multi-site work?

Yes. Several buildings can share a single quote, with one point of contact.

Will your applicators have CSCS cards?

Yes. We use CSCS-carded applicators.

Cost factors for facade joints

We price every job individually. The main factors are:

  • Access and working height
  • Removal of failed or old sealant
  • Distance, for remote addresses
  • How much there is to seal

No two sites price the same: joint size, product, access and site hours all play a part. A fixed quote follows once we understand the job.

Sending details for a quote

For an accurate fixed quote, we need a clear picture of the site. Send us:

  • The product your specification calls for
  • Asbestos survey details if the building is older
  • The type of building and who uses it
  • Drawings or a marked-up plan, if available

Specifications, drawings and tender packages are welcome with any enquiry, and we’ll price against exactly what is specified. For smaller jobs, photos and a description will do.

Honest limits

We seal joints; we don’t mend everything behind them. On its own, sealant can’t deal with:

  • Providing access systems for the work
  • Joints too narrow for the movement they take, which need redesign
  • Damp caused by condensation inside the building

Not sure which it is? You can call the office on 01277 525 020 or send photos by email and we’ll tell you honestly.

Where we work in Kilmun

  • Perimeter joints where frames meet the structure
  • Shopfront frames
  • Cladding panel joints
  • Window and door perimeters
  • Coping and flashing joints
  • Stone and brick facade joints

New build and refits around Kilmun

With the shore within about 1 mile, Kilmun counts as a coastal location. Schemes this close to the sea see their facade joints tested by wind and rain from the day they’re sealed, which puts weight on correct joint sizing, priming and a sealant suited to the exposure. Kilmun is in the west of Scotland, the wetter side of the country. External mastic needs dry spells, with internal work ready to fill the wet days.

Hotel extensions and refits, at places such as Cot House Hotel (0.9 miles north-west of Kilmun), normally run between busy periods, so the sealing is squeezed into short windows. School extensions, at buildings such as Dunoon Grammar School, usually run to the summer holidays, mastic included.

Kilmun is about 7 miles north-west of Greenock, in Argyll and Bute. We send applicators to Kilmun for facade joints. Our Argyll and Bute coverage takes in 124 places, large and small. Our Glasgow page has more on work in that area, about 28 miles away.

Postcode districts covered here: PA23 for facade joints. For a building on Midge Lane, Shore Road and Graham's Point or nearby, send details and we will quote for facade joints. You’ll find Kilmun on or near the A880. If your building is just outside Kilmun, we cover Tom nan Ragh (1 mile west), Sandbank (1 mile south), Strone (2 miles south-east), Hunters Quay (3 miles south-east) and Kirn (3 miles south-east). Nearby towns on our patch include Helensburgh (8 miles east), Rothesay (12 miles south), Cardross (11 miles east), Rhu (7 miles east), Garelochhead (7 miles north-east) and Port Bannatyne (11 miles south-west). Where a site is remote or on an island, travel and materials need planning ahead, so include the location in your enquiry.

Near you in Kilmun

A little further out are Castle House Museum (3.5 miles south) and Cowal Community Hospital (2.6 miles south). Open spaces near Kilmun include Loch Loskin and Clach Bheinn.

Map of Kilmun © OpenStreetMap contributors

Our process

Diagnose, treat, sign off: every visit follows that pattern. First comes an inspection and agreement on scope, then we prepare and seal each joint with the specified product, and the job ends with a walk round and sign-off. Jobs near Kilmun are often grouped with others in the same area. Let us know if your dates have any give.

  1. Photos, drawings or a visit tell us about the joints and the access.
  2. We confirm the joint type, movement and the specified product.
  3. Failed beads are removed in full and both faces cleaned back.
  4. Primer is applied where the maker specifies it.
  5. Backing rod is fitted and the new sealant gunned in and tooled.
  6. The finished joints are checked with you.

Preparing the site

  • Tell us which areas need to stay in use
  • Tell us your opening times and when work is allowed
  • Confirm the product named in the specification

Quotes

Need a figure for a tender or a budget? Send the scope and any drawings, and we will return a fixed quote you can plan around. If you have questions first, phone 01277 525 020 or email the details over.

Get a quick quote

Advice

Accreditations

Trusted. Accredited. Insured.