Angus · Scotland

Window & door mastic in Carnoustie, Angus

Window mastic for Carnoustie, by sealant specialists with 20+ years’ experience. Rated 4.9 on Google from 180+ five-star reviews.

  • Rain getting in at the frame or under the sill
  • Draughty joints inside around the window
  • Draughts coming in around windows and doors

Book window mastic in Carnoustie

What sealant work can’t fix

A few problems are outside what sealant work can do:

  • Soft or decayed wood in the frame
  • Broken hinges, locks or handles
  • Damp problems in the wall away from the window

Not sure which it is? You can drop us a line at info@mrmastic.co.uk and we’ll tell you honestly before you book.

Where we work in Carnoustie

  • Aluminium frames
  • Patio & French doors
  • Timber windows & doors
  • uPVC windows
  • Window sills
  • Composite doors

How we handle window mastic in Carnoustie

The mastic around a window or door seals the gap between the frame and the wall. When it cracks, hardens or pulls away, draughts and rain get in. The old mastic is removed and the joint resealed with a flexible exterior sealant. Typical jobs include cold air getting in at the frame edge and a bead that doesn’t match the frame, across composite doors, aluminium frames and uPVC windows.

Older stone-built homes in Scotland often have sash and case or timber windows set in stone. The sealant has to suit the stone, which rules out acetoxy silicones that can mark or attack it.

Each job carries a 12-month guarantee, large or small.

Location
Carnoustie (DD7)
Wider area
Angus
Guarantee
12 months on all our work
Quote
A clear price before we start
Email
info@mrmastic.co.uk
Last updated
26 October 2026
Mr Mastic applicator sealing the top of a white uPVC door frame on a red-brick house

FAQs for Carnoustie

I let a flat near Golf Street station. Can you help?

Yes, rental work is part of what we do. Just email us at info@mrmastic.co.uk and tell us about the property, and we will send you a clear quote.

Will you come out to Carnoustie?

Yes, Carnoustie is covered. We work across all of Scotland, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.

Is there any odour?

There can be a smell while the sealant cures. Opening a window helps.

Do I have to be there?

If the work is inside, we need someone to let us in. After that, you can carry on with your day.

Do you have insurance?

Yes. Mr Mastic is fully insured, and we’ve been doing sealant work for more than 20 years.

How long should I leave it?

Most sealants are touch-dry well before they’re fully cured. We’ll give you the cure time for the product we used before we leave.

Can you get sealant to suit coloured frames?

Yes, we choose a colour to suit the frame. Grey and black frames get grey or black sealant, and wood-effect frames normally suit brown.

Will it make a mess?

No. We protect the surfaces around the joints, and we tidy up before we go.

Signs you need window mastic in Carnoustie

Sun, frost and rain wear sealant out. UV light hardens the outside of the bead, and over the years it loses its give, cracks and comes away.

It’s worth asking for a quote if you see:

  • Old mastic that has gone black or come away
  • White mastic on grey or black frames
  • Gaps between the frame and the inside reveal
  • Rushed sealant from a window installation

In the older streets around Carnoustie Parish Church, frames set in older brick or stone need a sealant that suits the wall as well as the frame.

Questions to ask before you book

  • When the joint can take water or movement
  • Whether they’re fully insured
  • How long the guarantee is
  • Is VAT in the price?

How to choose a mastic man

How it works

All our tools and materials come with us in the van, so you do not need to buy or prepare anything. After a quick look at the joints together, we protect the area and start. Most jobs take a morning for a couple of windows and a door. For a place like Carnoustie, longer drives are planned in advance. Mention tracks, gates, ferries or anything else about the route.

  1. We check each frame and agree which ones need doing.
  2. The old mastic is cut out and the surfaces cleaned back.
  3. We fit backing rod in deep gaps so the sealant is the right depth.
  4. A flexible, weatherproof sealant is applied in a colour to suit the frame.
  5. Every joint is checked before we leave.

Getting ready for the visit

  • Clear the area around the work
  • Plan for the work area to be out of bounds to pets and children
  • Tell us about any previous sealing or DIY attempts

Getting a quote

It all starts with a short chat. Tell us what’s wrong, where it is and how much there is, and we will talk you through what we’d do. When it suits you, drop us a line at info@mrmastic.co.uk.

Ask for a quote

Related advice

Why deal with it now?

Redecorating is a good moment to renew the mastic. Fresh joints finish the job neatly, and it’s easier while the walls are being worked on anyway. In a place like Carnoustie, small leaks are easy to put off, but water behind a failed seal does the most damage when nobody’s watching.

Some things make a job bigger or smaller: the old material and how easily it comes out, whether mould needs treating, and whether we need extra access for height. Your quote takes all of that into account.

Why book with us

  • Fully insured
  • You choose the colour before work begins
  • Anti-fungal silicone where joints get wet
  • Sealant colour chosen to suit

Take a look at how sealant jobs are priced and what customers say.

Surface by surface

Aluminium frames

Bi-fold and sliding aluminium doors have long frame joints, and the bottom joint sees the most water. Each is cleaned, backed where deep and resealed.

Patio & French doors

Not every patio door leak is a mastic problem: worn seals, blocked drainage slots or a poor threshold detail can be the cause. We look for the cause first.

Work for landlords, hotels and businesses

Water getting past a failed joint can damage the building, which is a bigger problem in a rented property. Resealing at the right time is simple maintenance that we can handle for you.

Whether it’s one flat or a portfolio, you get the same standard of work: the old material taken out, careful preparation and a 12-month guarantee.

Keeping the joints in good condition

To keep the joints looking good and working properly:

  • Keep paint and stain on wooden frames in good order
  • Look round the frames every year or so
  • Make sure the drainage slots aren’t blocked
  • Ventilate rooms so frames don’t stay wet inside

Keep the new mastic undisturbed while it cures, for as long as we advise. Do not point a pressure washer at the joints.

Water trapped behind a failed joint can start rot in timber frames and sills. Rotten timber needs a joiner, not a sealant, so early resealing is worth it.

Carnoustie homes and the weather

Carnoustie is close to the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. Both are hard on the mastic around window and door frames, which can dry out and crack sooner where a building faces the weather. Sash and case windows are common in older Scottish homes, and the joint between the box frame and the stone or render is traditionally pointed with sand mastic.

For landlords with property near Golf Street station, renewing tired window mastic between tenants heads off draught and damp complaints. For site and facilities teams at buildings such as Carnoustie High School, the mastic around its windows and doors needs looking after like any other building’s.

Carnoustie is about 6 miles east of Broughty Ferry, in Angus. From the centre of Carnoustie to the outskirts, window mastic is available for homes and businesses alike. We cover 40 towns and villages across Angus, from the larger towns to small villages. You can also see our page for Dundee, about 10 miles away.

We work across DD7 for window mastic. Local streets include High Street, Station Road and Braehead Lane, all of which we cover. With the A930 close by, Carnoustie is easy for our applicators to reach for window mastic. Nearby, we also carry out window mastic in Hunter's Town (1 mile west), Clayholes (1 mile north-west), Gardynebourg (1 mile south-west), West Haven (1 mile east) and Carlogie (1 mile north). We also work in nearby towns such as Arbroath (6 miles north-east), Forfar (12 miles north-west), Letham (9 miles north) and Friockheim (10 miles north). Being one of Angus’s larger places, Carnoustie has every kind of property, from flats to offices.

Landmarks near Carnoustie

There’s a railway station in Carnoustie itself: Golf Street station. Other landmarks nearby include Panmure Castle (2.1 miles north-west) and Ashludie Hospital (4.1 miles west).

Map of Carnoustie © OpenStreetMap contributors
20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job