North Ayrshire · Scotland

Sand mastic for sash & case windows in Stevenston, North Ayrshire

Traditional burnt sand mastic around sash and case windows and doors in stone and brick for Stevenston, backed by a one-year guarantee. Call for a quick quote.

  • Wind and rain getting in round a sash window
  • Open joints round the window box
  • Mastic worn away on windows facing the weather

Need sand mastic in Stevenston?

Sand mastic for homes and businesses in Stevenston

Silicone on a period window often looks wrong and does not suit the building. Sand mastic is the traditional choice, and we can replace one with the other. If you have open joints round the window box and a silicone bead on a sash window that spoils the look, we can help, on brick reveals, timber door frames and tenement windows alike.

In and around a place like Stevenston, homes range from older stone-built cottages to newer houses. Exposed frames and sills take the full force of wind-driven rain.

We stand behind the work with a 12-month guarantee, so you are not left on your own once the job is done.

Place
Stevenston (KA20)
Wider area
North Ayrshire
Cover
12 months on all our work
Quote
Quoted before any work starts
Email
info@mrmastic.co.uk
Last updated
26 October 2026
Outdoor mastic being applied where a white frame meets red brickwork, below the fascia and gutter

Sand mastic in Stevenston: local notes

Stevenston is close to the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. That is hard on the mastic around older windows and doors, especially on the side facing the sea. Historic houses like Montgreenan (about 4.7 miles east) are a reminder that the area around Stevenston has older buildings as well as new. Where a home is older, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic.

For landlords with property near Stevenston station, older sash windows in a rental need their mastic kept sound to keep the weather out. Montgreenan, about 4.7 miles east, is one of the historic houses in the wider area around Stevenston, and older homes nearby need a sealant that suits their walls.

Stevenston is about 4 miles west of Irvine, in North Ayrshire. Stevenston gets the same service as everywhere we cover: the old material taken out, joints prepared properly and a 12-month guarantee. Stevenston is one of 53 towns and villages in North Ayrshire where we work. For nearby work, see our Glasgow page.

Every address in KA20 is covered for sand mastic, from the main roads to the quietest streets. If you need sand mastic at a property on Main Street, Station Road and Gilmour Gardens or anywhere close by, our applicators can take on the job. With the A738 and B752 close by, Stevenston is simple for us to get to for sand mastic. Close by, we work in Auchenharvie (1 mile west), Ardeer (1 mile south-east), Saltcoats (1 mile west), Kilwinning (2 miles north-east) and Ardrossan (2 miles west). Larger places within reach include Irvine (4 miles east), Largs (12 miles north-west), Kilbirnie (8 miles north), West Kilbride (5 miles north-west), Beith (9 miles north-east) and Dalry (5 miles north). Stevenston is among the bigger towns we cover in North Ayrshire.

What’s near Stevenston

Typical jobs here are in homes near Stevenston Beach, Champion Shell Inn and Auchenharvie Academy, among other places. Stevenston’s nearest station is Stevenston station, about 0.5 miles south of the centre. Well-known places in the area include Woodland View (2.9 miles east) and Kilwinning Rangers history museum (1.2 miles north-east). Open spaces near Stevenston include Stevenston Loch.

Map of Stevenston © OpenStreetMap contributors

What we can’t put right

We will not take on work that will not last, so here’s what sealant cannot put right:

  • Masonry that needs repairing
  • Decayed frames that need repair
  • Whether work needs listed building consent

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

Where we work in Stevenston

  • Brick reveals
  • Period & listed homes
  • Sash and case windows
  • Stone surrounds
  • Tenement windows
  • Timber door frames

DIY sealant or a professional job?

If you’re set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it fails, we can still redo it.

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

What the job involves on each surface

Period and listed homes

On a listed home or in a conservation area, the right material matters. Sand mastic is often the preferred finish.

Timber door frames

Period doors in stone or brick openings are often pointed with sand mastic. We renew it the same way as on windows.

FAQs for Stevenston

Will you come out to Stevenston?

Yes. Stevenston is within the area we cover, which takes in towns, villages and rural addresses. Our work covers the whole of Scotland. Just mention lanes, gates or anything else about the route when you book.

Does living near the coast affect sand mastic in Stevenston?

Near the coast, wind-driven rain and, nearer the shore, salt air make outside sealant work harder. The right product, a clean joint and the right depth all help it cope.

Will the old sealant be removed?

Yes. All of the old material is cut out and the joint cleaned before resealing.

What sealant do you use?

Each joint gets the product that suits it. Where it moves, gets wet or faces the weather makes a difference.

Can you quote for more than one area?

Yes, and it often makes sense. Combining jobs makes good use of the visit, so mention them when you ask for a quote.

How long does sand mastic take to harden?

Not right away. The skin forms first, and the full set comes later and we will give you an idea for your job.

Do you work for hotels and businesses?

Yes. We work in offices, washrooms, hotels and other commercial premises, as well as homes. Working times can be discussed when we quote.

What guarantee comes with the work?

Our 12-month guarantee covers every job.

For landlords and businesses

We work for landlords and agents as well as homeowners. Sealant work between tenants is a simple way to keep a property in good order before the next move-in.

Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements and we will quote.

Signs you need sand mastic in Stevenston

Most of it is simply age. Even well-laid mastic needs renewing in time and how long it lasts depends on the weather it faces.

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

  • Draughty sash windows at the surround
  • Mastic round period door frames that has failed
  • Gaps where the frame meets the masonry
  • Tired mastic found when preparing windows for paint

For site and facilities teams at buildings such as Glencairn Primary School, its window and door frames need their mastic kept sound, just like a home’s.

What to look for in a quote

  • How the surfaces are prepared before sealing
  • What the cure time is
  • What product goes in the joint
  • What happens if they find a problem under the old sealant

How to choose a mastic man

How the visit works

Good joint work is mostly preparation, and we do not rush it. Joints are cleaned back and dried before anything new goes in. All told, the work takes a few hours per window, depending on the condition of the joints. Around Stevenston, distance and access matter more than parking. Tell us how to find the property and how to reach the work.

  1. We check the window surrounds and agree which joints need renewing.
  2. We rake out the old mastic and clean the joint.
  3. Large voids are packed out first, so the mastic is not too thick.
  4. The mastic is mixed, pressed into the joint by hand and shaped.
  5. The finish is dressed so it sits neatly against the stone or brick.

Preparing for the visit

  • Tell us about any water getting in
  • Let us know about parking restrictions
  • Keep pets and children clear of the area while we work

Ask for a quote

Getting a quote is simple: let us know the job and the location, and roughly how big it is. A few pictures by email make the job easier to understand, and we’ll come back to you with a quote.

Get a quick quote

Related advice

What affects the cost of sand mastic

Every job gets its own quote. This is what makes a difference:

  • The type of sealant required
  • When we can work, for business premises
  • The number and length of the joints
  • How many areas need sealing

Rather than a set price list, we look at what your job involves: the amount of work, the old material and the access. The price is agreed before we begin.

Helping us quote

The more you tell us, the more accurate the quote. When you get in contact, it helps to mention:

  • Any access issues, like height or stairs
  • If it’s domestic, commercial or a hotel
  • What the problem is, such as mould, gaps, leaks or cracking
  • The address or postcode of the job

Want a quote for sand mastic? Please send an email to info@mrmastic.co.uk and tell us about the job. We will explain what we’d do and give you a clear quote before work begins.

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