Orkney Islands · Scotland
Grimbister Remedial Sealant
Specialist remedial sealant for Grimbister: careful preparation, the right product and tidy work. Ask us for a quick quote.
- Gaps opening along the back of the worktop
- Wide, uneven beads that look worse than the old ones
- Repeat leaks from the same joint
Why act early in Grimbister
Hidden water does the most damage: soaked floorboards, ceiling stains below and blown plaster. By comparison, sorting the joint is quick. Around Grimbister, water from a failed joint in an older stone home can soak into timber and plaster, which is a far bigger job than the sealant.
Leaving a failed joint generally makes the job bigger, not smaller, as water and mould keep getting in. If you’re unsure, send an email to info@mrmastic.co.uk for an honest opinion and a quote.
Why choose Mr Mastic in Grimbister
- We never seal over old sealant
- Colour picked to suit the job
- Anti-fungal silicone where joints get wet
- One-year guarantee on every job
Read our cost guide and what customers say.
How we handle remedial sealant in Grimbister
In Grimbister, as anywhere, remedial jobs tend to look alike: over-sealed joints, hidden mould, repeat leaks and split movement joints. We strip each one back and start from scratch. If you’re dealing with wide, uneven beads that look worse than the old ones and floor or wall movement joints that have failed, we can put it right, whatever the surface.
For a place like Grimbister, the job is the same as anywhere: everything old is cut out, the joints are cleaned and dried, and new sealant or grout goes in. We just plan the journey and access beforehand.
A one-year guarantee comes as standard, so you are not left on your own once the job is done.
- Place
- Grimbister (KW15)
- Wider area
- Orkney Islands
- Guarantee
- A year, on every job
- Quotes
- A clear price before we start
- info@mrmastic.co.uk
- Updated
- 26 October 2026
Grimbister: your questions answered
What guarantee comes with remedial sealant in Grimbister?
All our work, in Grimbister and everywhere else, comes with a 12-month guarantee. We’re also fully insured and ARBOMaster approved.
Do you cover Grimbister for remedial sealant?
Yes, Grimbister is within the area we cover. We work across all of Scotland. You can send an email to info@mrmastic.co.uk and tell us what needs doing.
My shower still leaks after a reseal. Can you sort it?
Yes. We check it’s the sealant and not the tray, valve or waste, then the joints are stripped and resealed.
Will there be a smell?
Sometimes, a little. It fades as the sealant cures, and ventilation helps.
What sealant do you use?
We choose the sealant for the joint, not the other way round. Movement, water and weather all affect the choice, and we’ll tell you what we are using.
Are you an approved applicator?
Yes. We are approved under the ARBOMaster scheme, which is run for the Arbo sealant brand.
Can I do it myself?
It depends on the job. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional.
How long should I leave it?
Many sealants skin over quickly but take longer to cure fully. We’ll give you the cure time for the product we used.
Signs you need remedial sealant in Grimbister
Silicone only bonds to surfaces that are clean and dry. Soap film, dust, damp or old residue stop it gripping, so it starts lifting sooner than it should.
People usually contact us after spotting one of these:
- Beads that never stuck properly
- Products that weren’t meant for the joint
- Movement joints that have split or pulled away
- Gaps opening along the back of the worktop
Around Grimbister, as everywhere, remedial sealant is only as good as the preparation behind it.
Comparing quotes
- What the quote includes, VAT included or not
- How much experience the applicator has
- What happens if they find a problem under the old sealant
- How the joint is cleaned and prepared
Keeping the joints in good condition
Once the sealant has cured, a few habits help it last:
- Check trays and worktops do not move
- Find out why the sealant failed first
- Use a soft cloth, not a scourer, on silicone
- Check ceilings under showers for marks
Go easy on the new sealant: no scraping, scouring pads or harsh chemicals.
Mould trapped under over-sealed joints spreads unseen. When it finally shows, the whole bead needs to come out.
More services for Grimbister
What happens on the day
There’s no need to move everything out before we come, only the area right around the joints. We protect the rest, and the work takes a few hours, depending on how many layers have to come out for a typical job. In smaller Scottish places, parking is normally less of an issue than access and distance. Tell us how to find the property and how to reach the work.
- We look at how the sealant has failed and check for movement or a leak path.
- We strip the joint completely, removing any layers below.
- Next, any mould is treated and the joint dried.
- We use the right backing and sealant for any joint that moves.
- Finally we finish the joint and talk you through what we found.
Preparing for the visit
- Move anything stored near the joints
- For business premises, tell us about site rules or sign-in
- Let us know about earlier repairs to the joints
How to get a quote
For a quote, send an email to info@mrmastic.co.uk and tell us where the job is and what the problem looks like. You will have a clear quote before we start.
Related advice
What the job involves on each surface
Worktops & kitchens
Kitchen joints often have grease and cleaning residue deep in them, so cleaning takes longer than in a bathroom before resealing.
Windows & doors
Smeared or badly matched mastic can be cut out and redone neatly, matched to the frame colour.
What we cannot put right
We won’t take on work that will not last, so these are the limits:
- Old mastic in a building from before 2000 that should be checked for asbestos before it’s disturbed
- A leaking trap, valve or supply pipe
- A tray or bath that is cracked
If in doubt, send an email to info@mrmastic.co.uk and we will say what we think.
Where we work in Grimbister
- Botched or over-sealed joints
- Shrunken worktop sealant
- Expansion joints
- Leaking tray & enclosure joints
- Failed movement joints
- Mouldy bath & shower sealant
Bathrooms and kitchens in Grimbister
Grimbister 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. Scotland’s water is generally soft, so sealant and grout see less limescale than in much of England. But mould still grows into sealant and grout in a room that doesn’t dry out.
Whether the job is in Grimbister itself or nearby, the right material for each joint matters as much as a neat finish.
Grimbister is about 5 miles west of Kirkwall, in the Orkney Islands. Anywhere in KW15, our applicators can take on remedial sealant. Our the Orkney Islands coverage runs to 51 places, Grimbister among them.
Postcode districts we cover here for remedial sealant: KW15. If you’re just outside Grimbister, we cover Finstown (1 mile north-west), Heddle (1 mile west), Germiston (2 miles south-west), Kirbister (4 miles south) and Norseman (4 miles north). Remote and island addresses need a little more planning, so please mention your location when you drop us a line at info@mrmastic.co.uk.
What’s near Grimbister
Nearby you will also find Balfour Hospital (4.9 miles east) and Kirkwall Castle (4.9 miles east). For a walk, there’s Loch of Wasdale and Hill of Heddle.
For landlords and businesses
We also work for businesses, from offices to washrooms and kitchens. For commercial premises, we can talk through working times when we quote.
We also work for property managers and facilities teams in Grimbister and across the Orkney Islands. Several sites can go on one quote.