Fife · Scotland

Window & door mastic in Dunfermline, Fife

Mastic around window and door frames, sills and patio doors in Dunfermline, with a one-year guarantee on every job. Ask us for a quote.

  • White mastic on grey or black frames
  • Whistling draughts around closed windows
  • Gaps left after new windows were fitted

Window mastic near Dunfermline

How we handle window mastic in Dunfermline

A window frame and the wall around it expand and shrink at different rates. Plastic and aluminium frames move with the temperature, while masonry stays fairly still. That’s why the joint needs a flexible, low-modulus sealant rather than something rigid. Common call-outs are for gaps left after new windows were fitted and cracked internal joints between frame and plaster, on aluminium frames, window sills and timber windows & doors.

In a town like Dunfermline, plenty of homes have harled (roughcast) walls, and the joint between a frame and rough harling needs a sealant that can grip and flex. A bead that sits on top of the harling rather than in the joint soon lets water in.

Each job carries a 12-month guarantee, whatever its size.

Place
Dunfermline (KY11, KY12)
Region
Fife
Cover
A year, on every job
Price
Quoted before any work starts
Email
info@mrmastic.co.uk
Page updated
26 October 2026
Mr Mastic applicator sealing the top of a white uPVC door frame on a red-brick house

Should I try it myself first?

Sealing over old silicone is the commonest DIY error. New silicone won’t bond to old, so it lifts and traps water and mould underneath. Everything old must be removed first.

What a professional job adds is preparation and the right product. Joints are cleaned back to sound surfaces and dried, and the sealant is matched to the joint and its conditions, then guaranteed for a year.

Common problems we fix in Dunfermline

Water runs down the glass onto the sill, and the ends of the sill, where it meets the wall, are where it gets in. Failed sealant there lets rain into the wall or behind the frame.

People generally contact us when they notice one of these:

  • Mastic that has split away from the wall
  • Gaps left after new windows were fitted
  • Leaking joints at the ends of sills
  • White mastic on grey or black frames

For an older house near a landmark such as St Leonard's Parish Church, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.

Comparing quotes

  • How the surfaces are prepared before sealing
  • Is the old sealant removed completely?
  • How much experience the applicator has
  • What guarantee comes with the work

How to choose a mastic man

How it works

When we get to you, we compare the joints with what we discussed. If we find something unexpected, we talk it through with you first. Most jobs then take a few hours for a few frames, or a day or more for a whole house. In a Scottish town like Dunfermline, parking is generally straightforward, though older centres can be tighter. For flats, mention the shared stair or door entry system.

  1. First we look at every frame and agree the list.
  2. Next the failed sealant is cut away and the joint cleaned.
  3. We fit backing rod in deep gaps so the sealant is the right depth.
  4. New exterior sealant goes on in a matching colour and is tooled smooth.
  5. Finally we tidy up and check each joint.

Before we arrive

  • Mention any parking rules near the property
  • Let us know about earlier repairs to the joints
  • Mention any tricky access

Ask for a quote

We do not publish a price list. Instead, your job gets its own clear quote. To get started, email us at info@mrmastic.co.uk.

Get a quick quote

Read more

What affects the quote in Dunfermline

For a quick quote, just ask. The main things that affect it are:

  • How many rooms, windows or areas are involved
  • The product the joint needs
  • How easy the joints are to reach
  • How much old sealant there is and how hard it is to remove

Commercial jobs are quoted on the same basis as homes: the amount of work, the access and the products needed. Call for a quick quote and we will explain what it covers.

Helping us quote

When you call or email, it’s useful to know:

  • The address or postcode of the job
  • If it’s domestic, commercial or a hotel
  • If someone has resealed it before
  • The problem you’ve noticed

Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we will talk you through what we’d do. Whenever you are ready, drop us a line at info@mrmastic.co.uk.

Looking after it afterwards

So the new joints stay in good condition:

  • Make sure the drainage slots aren’t blocked
  • Keep timber frames painted
  • Use gentle cleaners on frames and sealant
  • Wipe condensation off the frames

Have a look at the joints once a year, ideally after winter. Small splits are simple to catch before they leak.

Signs to watch for: cracks in the mastic, gaps you can see light through, damp on the reveal or mould around the inside of the frame. Any of these is worth a call.

Dunfermline questions

Does living near the coast affect window mastic in Dunfermline?

Near the coast, wind-driven rain and, nearer the shore, salt air make outside sealant work harder. Choosing the right sealant for the frame and wall, laid at the right depth, helps it last.

Do you cover Dunfermline for window mastic?

Yes, Dunfermline is within the area we cover. We work across all of Scotland. Just drop us a line at info@mrmastic.co.uk with a few details of the job, and we will give you a clear price.

Are you insured?

Yes. Full insurance covers our work, and we can confirm the details when we quote.

Will new mastic stop draughts?

Often, yes. The gap between frame and wall is a common source of draughts, and sealing the inside and outside joints closes that path.

Is the new sealant paintable?

Not normally, if it’s silicone. Tell us your decorating plans and we’ll pick a sealant to suit.

Which products do you use?

Quality sealants from brands including Arbo and Everbuild, chosen to suit the joint. We explain the product when we quote.

Will you leave a mess?

No. We protect the surfaces around the joints, and we clear up the old sealant and our materials before we leave.

How much does window mastic cost in Dunfermline?

Size, access and the old material all affect the cost. Ask us for a quote and we will talk you through it.

For landlords and businesses

If you manage several properties in or around Dunfermline, jobs at different addresses can go on one quote. Just tell us the addresses and what each one needs, and pictures by email help.

A neglected joint can let water reach the structure, which matters even more when someone else lives there. Resealing at the right time is simple maintenance that we can handle for you.

Window mastic in Dunfermline: local notes

Dunfermline 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. Many older homes in Scotland have sash and case windows, and the joint between the box frame and the stone or render is traditionally pointed with sand mastic.

Managing a site like Dunfermline High School? Then the mastic around its windows and doors needs looking after like any other building’s. For landlords with property near Dunfermline City station, sound mastic around windows and doors keeps out the draughts and damp that tenants notice first.

Dunfermline is about 12 miles north-west of Edinburgh, in Fife. Whether you’re in the middle of Dunfermline or further out, window mastic is available for homes and businesses alike, from flats and houses to offices and hotels. Dunfermline is one of 133 towns and villages in Fife where we work. You can also see our page for Edinburgh, about 12 miles away.

Postcode districts we cover here for window mastic: KY11 and KY12. If you need window mastic at a property on Lathalmond Square, Market Street and High Street or anywhere close by, we can help. Being close to the A92 and A823, Dunfermline is easy for our applicators to reach for window mastic. We also cover the places around Dunfermline: Abbeyview (1 mile south-east), Townhill (1 mile north), Pitreavie (1 mile south), Wellwood (2 miles north-west) and Camdean (2 miles south). Further out, we also cover Kirkcaldy (11 miles east), Glenrothes (13 miles north-east), Cowdenbeath (4 miles north-east), Dysart (12 miles east), Dalgety Bay (4 miles south-east) and Lochgelly (6 miles north-east). Being one of Fife’s larger places, Dunfermline has homes, rented property and businesses of every kind.

Landmarks near Dunfermline

In Dunfermline, that means homes and buildings near Pittencrieff Park and the streets around them. The nearest railway station is Dunfermline City station, about 0.7 miles west. Nearby you will also find Queen Margaret Hospital (1 mile north) and Dunfermline Palace (1.2 miles west). For a walk, there’s Loch Fitty.

Map of Dunfermline © OpenStreetMap contributors

Why it’s worth doing now in Dunfermline

Resealing frames is a short job: it takes a few hours for a handful of frames, longer for a whole house. Wait for damp to appear and there may be plaster and decorating to sort out too. In Dunfermline, wind and rain soon get through failed outside joints. Inside, a failed seal around a bath or shower lets water into floors and ceilings.

Rather than a set price list, we price the job in front of us: the amount of work, the old material and the access. You’ll know the price before we begin.

Why book with us

  • We agree the colour with you first
  • We never seal over old sealant
  • An ARBOMaster approved applicator
  • Fully insured

Take a look at our cost guide or what customers say.

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job