Scotland

Sand Mastic in Argyll and Bute

We cover 118 towns and villages across Argyll and Bute for sand mastic, with old sealant always removed and a one-year guarantee on every job., done properly, quoted clearly before any work starts and a one-year guarantee.

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Sand mastic in every part of Argyll and Bute

Traditional burnt sand mastic around sash and case windows and doors in stone and brick. Choose your town from the list to see local details, and call or email us for a quick quote.

Main towns

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Postcode areas we cover

Sand mastic across Argyll and Bute: what to expect

Silicone on a period window often looks wrong and is not always the right material. Sand mastic gives a finish that matches the age of the house, and we can replace one with the other. We work on stone surrounds, brick reveals and sash and case windows, and the jobs we see most are cement or filler used on old window joints that has cracked and gaps where the frame meets the masonry.

Every visit runs the same way: we check the joints, protect the area around them, carry out the job and tidy away. It generally takes anything from a few hours to a full day, depending on how many windows.

Each surround is checked first.
The joint is raked out and cleaned.
Large voids are packed out.
We point the joint with sand mastic by hand.
The finish is dressed neatly.

How we quote

What you pay reflects the work, not guesswork. That is why we ask a few questions first and agree the price before starting.

Why choose Mr Mastic

Full insurance on every job
Neat joints and a tidy finish
More than 20 years in sealant work
Rated 4.9 stars on Google

Ask for a quote

We do not publish a price list. Instead, we give you a clear price for your job. To get started, drop us a line at info@mrmastic.co.uk.

Landmarks near Helensburgh

We work in homes and buildings around Lomond School, The Henry Bell pub and St Joseph's R.C. Church. There’s a railway station in Helensburgh itself: Helensburgh Central station. Well-known places in the area include Ardencaple Castle (1.3 miles west) and Victoria Infirmary (0.5 miles south-east). Green spaces nearby include Lyle Hill.

Windows and doors across Argyll and Bute

In Argyll and Bute, sand mastic work takes in houses, flats, conservatories and commercial glazing, in Helensburgh, Oban and Dunoon and well beyond. Outside sealant needs a dry, clean joint, so the work is planned around the weather.

Scotland has its own building regulations, and homes here bring their own details: harled walls, sash and case windows and, in the larger towns and cities, tenements. Argyll and Bute is part of the area we cover across Scotland. Along the coast in Argyll and Bute, holiday lets and guest houses can have bathrooms in near-constant use, so their sealant and grout wear faster than most.

Helensburgh: For site and facilities teams at buildings such as Lomond School, the mastic around its windows and doors needs looking after like any other building’s. If you let a flat or house near Helensburgh Central station, any sash windows need sound mastic to keep draughts and rain out.

Can I do it myself?

If you’ve already had a go yourself, that’s fine. We remove it and do the joint properly.

A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.

Why deal with it now?

Gaps round a sash window let in rain and draughts. Water can get to the frame and the masonry so renewing it early protects the window.

Comparing quotes

How long to leave it before use
Which colour the sealant will be
How the joint is cleaned and prepared
How hidden problems are handled

What affects the cost of sand mastic

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

The size of the job
How many rooms, windows or areas are involved
How much old sealant there is and how hard it is to remove
How easy the joints are to reach

Instead of a standard rate, we look at what your job involves: how many joints, what’s in them now and how we reach them. You’ll know the price before we begin.

Asking for a quote

The more you tell us, the more accurate the quote. When you ask for a quote, tell us:

Any access issues, like height or stairs
How many joints, rooms or windows are involved
Whether it has been sealed before
A few pictures by email, if you can

Getting a quote is simple: tell us what needs doing and where and its rough size. Photos by email help us understand the job, and we will come back to you with a quote.

Different surfaces, different methods

Timber door frames

Door frames get knocked and soaked, so their mastic can fail sooner. We rake it out and renew it.

Tenement and terrace windows

In shared buildings, the windows may be part of a wider repair so it’s worth checking responsibilities.

What sealant work can’t fix

Honest advice matters more to us than a booking, so here’s what new sealant will not do:

Cracked or broken glass
Planning or listed building consent (your local planning authority decides)
Sashes that need overhauling

Argyll and Bute questions

Can landlords and businesses book you?

Yes. Domestic, commercial and hotel work are all part of what we do, and we’re fully insured.

Are you an approved applicator?

Yes. We are an ARBOMaster approved applicator.

Do you do commercial work?

Yes, regularly. We can plan bigger jobs in stages.

Can new sealant go over the old?

No, it won’t last. It can look neat for a few weeks, but the new bead soon lifts. Removing the old sealant completely is the only lasting way.

Will the old sealant be removed?

Yes, always, and completely. New sealant won’t bond properly to old, so the joint is cleaned back first.

Is consent needed for window work on a listed home?

Your local planning authority is the one to ask. They’ll tell you if consent is needed for work to your windows.

Is it possible to paint over sand mastic?

The usual advice is to leave sand mastic unpainted. If you are redecorating the window, ask us first and we will talk you through it.