Shetland Islands · Scotland
Sand mastic for sash & case windows in Boddam, Shetland Islands
Sand mastic for Boddam and the surrounding area: the right sealant, proper preparation and a neat finish. Call for a quick quote.
- Mastic that needs renewing before redecorating
- Mastic dropping out of the joint
- Cement or filler used on old window joints that has cracked
Common questions in Boddam
Does living near the coast affect sand mastic in Boddam?
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 smaller places like Boddam?
Yes, we do. Our work covers the whole of Scotland, islands included, from towns to the smallest places. Longer journeys are simply planned in advance.
Is it possible to take out silicone and use sand mastic instead?
Often, yes. With the silicone removed and the joint cleaned we point it with sand mastic.
Is consent needed for window work on a listed home?
Yes, it’s worth checking. Your local planning authority can say if consent is needed for work on a listed home or in a conservation area.
Do you hold any approvals?
Yes. We hold ARBOMaster approved applicator status.
Where are you based?
Mr Mastic is based in Crawley. We cover Boddam and the rest of the Shetland Islands, along with the rest of our area.
What information do you need?
Where the job is, what the problem is and roughly how big it is. If you can, email a few pictures.
Do you take out the old sealant first?
Always. Sealing over old sealant is the main reason resealing fails early, and it’s something we never do.
Sand mastic in Boddam
Fresh sand mastic forms a skin quite soon but full hardening takes longer. Traditional guidance is not to paint over it, so ask us before you decorate. Typical jobs include mastic round period door frames that has failed and crumbling sand mastic round a window, on tenement windows, sash and case windows and timber door frames.
Many older Scottish homes still have timber windows set into stone walls. The sealant has to suit the stone, which rules out acetoxy silicones that can mark or attack it.
Our work is backed for twelve months, and the guarantee is the same wherever you are.

- Where
- Boddam (ZE2)
- Wider area
- Shetland Islands
- Cover
- One year on every job
- Quote
- A clear price before we start
- info@mrmastic.co.uk
- Page updated
- 26 October 2026
Also near Boddam
What else we do in Boddam
DIY sealant or a professional job?
Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
The difference is mostly in the preparation and the product. Joints are cleaned back to sound surfaces and dried, and the sealant is matched to the joint and its conditions.
What happens if it’s left?
New sash windows are a major, costly change and on a listed home, consent may be needed. Where the frames are in good order, new mastic seals the surround. Exposed walls in smaller Scottish places take a lot of wind and rain, and damp in stone or harled walls takes a long time to dry once water gets behind a joint.
Rather than a set price list, we look at what your job involves: how many joints, what’s in them now and how we reach them. You will know the price before we begin.
What you get with us
- Quality sealants from Arbo and Everbuild
- An ARBOMaster approved applicator
- Any old sealant cut out fully, not covered over
- 4.9 on Google from 180+ five-star reviews
How the visit works
On the day, we look over the joints with you first. Surfaces next to the work are protected before any work begins. Most jobs take a few hours for a single window, longer for several. Outdoor work around Boddam depends on the weather, as sealant needs a dry surface, so an outdoor job can move if the forecast changes. Indoor work goes ahead whatever the weather.
- First we agree which joints need doing.
- We remove the old, loose mastic.
- Deep gaps are packed so the mastic sits at the right depth.
- We apply the mastic by hand and shape it.
- We dress the finish so it sits neatly against the masonry.
How to prepare
- For indoor joints, keep the area dry beforehand if you can
- Tell us about any previous sealing or DIY attempts
- Mention any leaks or damp you’ve noticed
Ask for a quote
To get a quote, email us at info@mrmastic.co.uk with the location and a short description of the problem. You will have a clear quote before work begins.
Advice
Work for landlords, hotels and businesses
Letting agents often deal with us directly. Tell us the address, the job and how access works and we will quote.
We also work for businesses, from offices to washrooms and kitchens. On commercial sites, working times can be discussed when we quote.
What affects the cost of sand mastic
Jobs vary more than people expect. The main factors:
- How many areas need sealing
- The type of sealant required
- Access and height
- Whether old sealant or filler has to be cut out
Leaving a failed joint usually makes the job bigger, not smaller, as water and mould keep getting in. If you’re not sure whether it needs doing, email us at info@mrmastic.co.uk for an honest opinion and a quote.
What to tell us for a quote
When you call or email, it’s useful to know:
- Where the job is, and your postcode
- Whether it’s a home or a business
- Any access issues, like height or stairs
- What’s wrong with the joints now
For sand mastic in Boddam, send an email to info@mrmastic.co.uk. Tell us what the problem is and where, and we’ll agree the price before any work begins.
Do you need sand mastic in Boddam?
Paint, silicone or cement used over old mastic causes problems. They do not suit the joint and we normally remove them.
Any of these means the joints need attention:
- A silicone bead on a sash window that spoils the look
- Old cement repairs round a window that have failed
- Mastic worn away on windows facing the weather
- Mastic dropping out of the joint
In and around Boddam, as anywhere, good sand mastic starts with a clean, dry, properly prepared joint.
What your quote should include
- Are they insured?
- When the joint can take water or movement
- What the quote includes, VAT included or not
- What guarantee comes with the work
Windows and doors in Boddam
Boddam is within about 1 mile of the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. Both are hard on the mastic around older windows and doors, which can dry out and crack sooner where a building faces the weather. Island jobs need planning around ferries and the weather, so the more notice, the better.
For an older house near a landmark such as Dunrossness Parish Church, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
Boddam is in the Shetland Islands. Homes, rented property, offices and hotels in Boddam is covered for sand mastic, old or new, large or small. The work is guaranteed for a year. Boddam is one of 63 towns and villages in the Shetland Islands we cover.
All of ZE2 is within our area for sand mastic. We cover properties on Millpund, Turniebrae and Hillock. Nearby, we also carry out sand mastic in South Scousburgh (1 mile north-west), Hestingott (2 miles south), Exnaboe (2 miles south), Toab (2 miles south) and Scatness (3 miles south). Being one of the Shetland Islands’s larger places, Boddam has every kind of property, from flats to offices. Island and remote addresses take a little more planning, so tell us where you are when you ask for a quote.
Local landmarks in Boddam
Nearby you’ll also find Shetland Crofthouse Museum (0.6 miles south-east). Open spaces near Boddam include Sumburgh Head RSPB reserve and Loch of Millpund.
What the job involves on each surface
Brick reveals
An open joint at a brick reveal lets weather in. Renewing the mastic closes it.
Sash and case windows
A sash window’s box frame sits in the masonry opening. The gap round it is pointed with sand mastic.
