Orkney Islands · Scotland
Remedial sealant & repairs in Grimeston, Orkney Islands
Specialist remedial sealant for Grimeston: the right sealant, proper preparation and a neat finish. Ask us for a quick quote.
- Gaps opening along the back of the worktop
- Thick, messy sealant smeared over tiles
- Torn expansion joints
What we are called out for in Grimeston
A lot of failed joints have been sealed over rather than replaced. New silicone can’t stick to the old bead, so the new layer peels, and damp and mould settle between them.
Look out for these signs:
- Torn expansion joints
- Over-sealed joints coming away
- Sealant peeling off a dusty or damp surface
- Kitchen joints letting water behind the worktop
For jobs in and around Grimeston, choosing the right material for each joint is as important as a tidy finish.
Questions to ask before you book
- Whether you can choose the colour
- How much experience the applicator has
- How long the guarantee is
- Whether they’re fully insured
Remedial sealant in Grimeston
Not every leak is a sealant leak. Cracked trays, leaking wastes and faulty valves often look like a sealant problem. If that’s what we find, we’ll tell you rather than reseal something that will not fix it. If you are dealing with mould trapped under a layer of silicone and over-sealed joints coming away, we can help.
Across smaller places in Scotland, homes range from stone and harled cottages to newer houses. Older buildings can move a little, and that shows first in cracked grout and split sealant.
We stand behind the work with a 12-month guarantee, so you are not left on your own once the job is done.
- Where
- Grimeston (KW17)
- Wider area
- Orkney Islands
- Guarantee
- A year, on every job
- Price
- Quoted before any work starts
- info@mrmastic.co.uk
- Page updated
- 26 October 2026

Remedial sealant in Grimeston: local notes
Grimeston is within about 1 mile of the coast. Near the coast, holiday lets and guest houses can see bathrooms used by one guest after another, which wears sealant and grout out faster than in a quiet home. Scottish Water supplies are generally soft, so limescale is less of a problem than in hard-water areas. But mould still grows into sealant and grout in a room that doesn’t dry out.
In and around Grimeston, as anywhere, good remedial sealant starts with a clean, dry, properly prepared joint.
Grimeston is about 9 miles west of Kirkwall, in the Orkney Islands. For remedial sealant in and around Grimeston, it’s easy to get a quote: please drop us a line at info@mrmastic.co.uk. We cover the Orkney Islands from our Crawley base. Our area takes in 51 places across the Orkney Islands, large and small.
All of KW17 is within our area for remedial sealant, from the main roads to the quietest streets. Neighbouring places we cover for remedial sealant include Bimbister (1 mile north-east), Harray (2 miles north), Stenness (2 miles south), Wasbister (2 miles west) and Russland (2 miles north). Remote and island addresses need a little more planning, so tell us where you are when you ask for a quote.
Local landmarks in Grimeston
Well-known places in the area include Corrigall Farm Museum (3 miles north). Green spaces nearby include Hill of Heddle and Loch of Harray.
How the job changes by surface
Movement & expansion joints
Bonding on three sides is a common reason movement joints tear. Backing stops that, so the sealant grips the two sides only.
Leaking trays & enclosures
Where the joints are the problem, every bead is stripped and resealed with anti-fungal sanitary silicone, tray edges and screen profiles included.
DIY versus a professional finish
The biggest DIY mistake is sealing over old sealant. New silicone will not bond to old, so it peels away and traps moisture behind it. Everything old must be removed 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.
Honest limits
New sealant can’t fix everything, and we’ll tell you before we start. It won’t solve:
- Older mastics that may need an asbestos check before removal
- Movement from fittings that are not supported
- A cracked shower tray or bath (that needs repair or replacing)
Not sure which it is? You can drop us a line at info@mrmastic.co.uk and we’ll tell you honestly before booking.
Where we work in Grimeston
- Shrunken worktop sealant
- Expansion joints
- Mouldy bath & shower sealant
- Botched or over-sealed joints
- Leaking tray & enclosure joints
- Failed movement joints
Why act early in Grimeston
Another bead over the top won’t fix a failed joint. It cannot bond to what’s underneath, leaving the leak in place and one more layer to cut out later. When the nearest tradesperson is a drive away, it’s tempting to leave a small leak, but water behind a failed seal does the most damage when nobody’s watching.
Instead of a standard rate, we price the job in front of us: the amount of work, the old material and the access. The price is agreed before we begin.
Why choose Mr Mastic in Grimeston
- Full insurance on every job
- Anti-fungal sanitary silicone in wet areas
- An ARBOMaster approved applicator
- Rated 4.9 stars on Google
See our cost guide or customer reviews.
FAQs for Grimeston
Is Grimeston within the area you cover?
Yes, Grimeston is covered. We work across all of Scotland, islands included, from towns to the smallest places. Longer journeys are simply planned in advance.
Is there a guarantee on remedial sealant in Grimeston?
All our work, in Grimeston and everywhere else, comes with a 12-month guarantee. We are also fully insured and ARBOMaster approved.
I’m a tenant. Can you help?
Yes. Ask your landlord first, and we can send them the quote if that helps.
Are you an approved applicator?
Yes. ARBOMaster is the approved applicator scheme for Arbo sealants, and we are part of it.
Can you remove sealant that is been put over old sealant?
Yes. Each layer is cut out and the residue cleaned off, then the joint is resealed once.
Will you leave a mess?
We keep the work tidy. Nearby surfaces are protected.
Should I try DIY first?
It depends on the job. High-level, external movement and fire-rated joints are professional jobs, while a short indoor joint may be within reach.
Will there be a smell?
There can be a smell while the sealant cures, which fades as it sets. Opening a window helps.
More services for Grimeston
What affects the quote in Grimeston
The price is agreed before any work begins. It takes into account:
- The number and length of the joints
- Whether there’s mould to deal with
- The type of sealant required
- The number of rooms or windows
Combining jobs into one visit generally makes better use of the time than several visits. We’ll give you a clear price for the lot.
What we need to know
The more you tell us, the more accurate the quote. When you get in contact, it helps to mention:
- If it’s domestic, commercial or a hotel
- Access, such as stairs, a lift or height
- A few pictures by email, if you can
- The rough size of the job
For a quote, email us at info@mrmastic.co.uk with the location and a short description of the problem. You’ll have a clear quote before work begins.
What we do, step by step
You do not need to clear the whole room or building, only the area right around the joints. Everything nearby is protected, and the work takes a few hours, depending on how many layers have to come out in most cases. Around Grimeston, distance and access matter more than parking. Let us know how to find you and how to reach the joints, and the visit is planned around that.
- Surrounding tiles, trays and frames are protected first.
- Every layer of failed sealant is stripped out.
- We clean and degrease the joint and look for signs of movement or water.
- Once dry, a suitable sealant is applied and tooled.
- We give you the cure time and explain what caused the failure.
Preparing for the visit
- Mention any tricky access
- Where the joints are inside, avoid wetting them before we arrive
- Clear items away from the joints we’re working on
Ask for a quote
Getting a quote is simple: let us know the job and the location. Photos by email help us understand the job, and we’ll take it from there.
