Midlothian · Scotland

Window Mastic in Dalkeith

Mastic around window and door frames, sills and patio doors for Dalkeith, backed by a 12-month guarantee. Ask us for a quote.

  • Gaps where the sill meets the wall
  • White mastic on grey or black frames
  • Damp patches on the reveal after heavy rain

Need window mastic in Dalkeith?

Window mastic in Dalkeith

Some gaps around frames are far deeper than they look. Packing it solid with sealant gives a joint that cannot flex, so deep gaps get backing rod first. The sealant then grips the two sides it should. If you have black, perished sealant on frames and mastic that has split away from the wall, we can put it right, whatever the surface.

Scottish towns like Dalkeith tend to mix older stone-built streets, harled houses and newer estates, and windows range from older sash and case to modern uPVC. The sealant has to suit both the frame and the wall it sits in.

The work is guaranteed for twelve months. If there’s a problem with our work within the year, let us know and we’ll sort it.

Location
Dalkeith (EH22)
Region
Midlothian
Guarantee
12 months on all our work
Price
A clear quote up front
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

How to look after the new joints

Once the sealant has cured, a few habits help it last:

  • Look round the frames every year or so
  • Keep drainage slots and sill grooves clear
  • Wash the frames with mild soapy water
  • Keep paint and stain on wooden frames in good order

Most silicone sealants will not take paint, so mention any painting plans before we start. We can use a paintable sealant where that matters.

Leaks generally show up in wet, windy weather, but resealing works best in dry conditions. Sorting cracked mastic early means the joint is sound before the bad weather.

Work for landlords, hotels and businesses

We also work for businesses, from offices to washrooms and kitchens. On commercial sites, working times can be discussed when we quote.

Failed sealant is one of the commonest items on a check-out report, and it’s easy to sort out between tenants. Several properties can be quoted together.

Why act early in Dalkeith

Choosing the product is half the job. Decorators’ caulk and bathroom silicone aren’t designed for outside joints that move. An exterior, low-modulus sealant stays flexible in sun and frost. Scottish weather finds any gap, and in a town like Dalkeith, failed outside joints soon let damp into walls. Indoors, failed sealant lets water into floors and ceilings.

Homes and businesses are quoted the same way: the amount of work, the access and the products needed, along with when we can work on site. Call for a quick quote and we will go through it with you.

Why Dalkeith clients choose us

  • Fully insured
  • Sanitary silicone with an anti-fungal additive in wet areas
  • Tidy, careful work
  • Colour picked to suit the job

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

Should I try it myself first?

Some sealant jobs are within reach of a careful DIYer, such as a straightforward joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.

Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.

Dalkeith: your questions answered

Is there a guarantee on window mastic in Dalkeith?

Every job comes with our one-year guarantee, wherever it is. We’re fully insured, and an ARBOMaster approved applicator.

Do you cover Dalkeith for window mastic?

Yes, Dalkeith is within the area we cover. Our work covers the whole of Scotland. You can drop us a line at info@mrmastic.co.uk and let us know what needs doing, and we will give you a clear price.

Is there any odour?

It depends on the product. Some smell for a while, some hardly at all, and any smell fades as they cure.

Will the old sealant be removed?

Yes. Sealing over the old bead is the commonest cause of early failure, and it’s something we never do.

Do I have to be there?

Access is agreed with you when the job is booked. Indoors, that normally means someone at home.

What does window mastic cost?

Size, access and the old material all affect the cost. Call for a quick quote.

Can I add another job to the visit?

Yes. Several rooms, windows or areas can go on one quote.

Where do you work from?

We are a Crawley-based firm. We work across South East England, London and Scotland.

When it is not the sealant

Sealant is not the answer to every problem, and we’d rather say so up front. Sealant won’t put right:

  • Penetrating damp from a failed cavity tray or render
  • Faulty window hardware
  • Worn gaskets, brush seals or a door that has dropped

If you are not sure, just send an email to info@mrmastic.co.uk and we’ll give you a straight answer.

Surfaces we seal

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

Window mastic in Dalkeith: local notes

Private landlords in Scotland must meet the Repairing Standard, which includes keeping a home wind and watertight, and sound outside sealant is part of that. Historic houses like Melville Castle (about 1.6 miles west) are a reminder that the area around Dalkeith has older buildings as well as new. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic.

In the older streets around East Kirk, frames set in older brick or stone need a sealant that suits the wall as well as the frame. For site and facilities teams at buildings such as Dalkeith High School, larger buildings have plenty of frames, and the mastic around each one ages. Rented homes near Eskbank station change hands often, and sound mastic around windows and doors keeps out the draughts and damp that tenants notice first.

Dalkeith is about 7 miles south-east of Edinburgh, in Midlothian. Jobs in Dalkeith get the same care as everywhere else we work: old sealant removed completely, careful preparation and a 12-month guarantee. We cover 33 towns and villages across Midlothian, from the larger towns to small villages. Edinburgh is on our list too, about 7 miles from Dalkeith.

Work in EH22 is quoted and booked the same way as anywhere else. We cover properties on High Street, Thornybank Square and Station Road. Dalkeith sits on or near the A7 and A768. We also cover the places around Dalkeith: Newbattle (1 mile south-west), Easthouses (1 mile south-east), Newtongrange (2 miles south), Mayfield (2 miles south-east) and D'Arcy (2 miles south-east). Within a short drive, we also cover Penicuik (7 miles south-west), Loanhead (4 miles west), Gorebridge (3 miles south), Rosewell (4 miles south-west), Roslin (5 miles south-west) and Bilston (5 miles west). Being one of Midlothian’s larger places, Dalkeith has homes, rented property and businesses of every kind.

Local landmarks in Dalkeith

Typical jobs here are in homes near Public Library and Gothenburg Public House and the streets around them. The nearest railway station is Eskbank station, about 1.1 miles south-west of the centre. Other landmarks nearby include Dalkeith Palace (0.6 miles north) and Cousland Smiddy (2.8 miles east). For a walk, there’s Duddingston Loch and The New Leaf Co-op.

Map of Dalkeith © OpenStreetMap contributors

How it works

There’s no need to move everything out before we come, just the space around the work. Everything nearby is protected, and the job takes a few hours for a handful of frames, longer for a whole house for a typical job. Parking around Dalkeith is rarely difficult, though older streets in the centre can be tight. If you are in a flat with a shared stair or a door entry system, let us know when you book.

  1. We check each frame and agree which ones need doing.
  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. We apply a weatherproof sealant to match the frame and tool it neatly.
  5. Every joint is checked before we leave.

How to prepare

  • Try not to wet indoor joints just before the visit
  • Tell us about any previous sealing or DIY attempts
  • Tell us about any water getting in

Ask for a quote

For a quick quote, get us on the phone, or send an email if you’d rather. Describe what needs sealing and we will talk you through the work and give you a clear quote.

Get a price

Advice

What affects the quote in Dalkeith

There’s no set price list, because jobs vary so much. What we look at:

  • How easy the joints are to reach
  • Which sealant suits the joint
  • How much old sealant there is and how hard it is to remove
  • Whether there’s mould to deal with

What it costs depends on how much there is to do, how hard the old material is to remove and how easy the joints are to reach. You will have a clear quote before any work starts.

What we need to know

To make quoting easier, let us know:

  • Whether it has been sealed before
  • Access, such as stairs, a lift or height
  • How many joints, rooms or windows are involved
  • Where the property is

A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints, and email photos if that is easy.

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