Orkney Islands · Scotland
St Margaret's Hope Remedial Sealant
Removing failed, mouldy or leaking sealant and putting it right in St Margaret's Hope, with a 12-month guarantee on every job. Ask us for a quote.
- Gaps opening along the back of the worktop
- Sealant that came away because the surface wasn’t prepared
- A second bead peeling off the first
Remedial sealant in St Margaret's Hope
If a joint fails again and again, something is causing it. A tray that moves, a worktop that isn’t fixed, the wrong sealant or water getting in elsewhere will defeat even a perfect bead. Finding that cause comes before any new sealant. We work on failed movement joints, botched or over-sealed joints and shrunken worktop sealant, and common reasons people get in touch are smears and lumps from a botched reseal and mould trapped under a layer of silicone.
In and around a place like St Margaret's Hope, homes range from older stone-built properties to newer houses. Where a building moves, cracked grout and split sealant are normally the first signs.
The work is covered for a year after we finish. If anything is not right with it, drop us a line at info@mrmastic.co.uk.

- Location
- St Margaret's Hope (KW17)
- Wider area
- Orkney Islands
- Guarantee
- One year on every job
- Quote
- A clear price before work begins
- info@mrmastic.co.uk
- Last updated
- 26 October 2026
How the visit works
We bring everything the job needs with us, so you do not need to buy or prepare anything. After a quick look at the joints together, the area is protected and the work begins. It normally takes a few hours for most joints, depending on how much old sealant has to come out. In smaller Scottish places, parking is generally less of an issue than access and distance. Let us know how to find you and how to reach the joints.
- First we find out how and where the joint has failed.
- We strip the joint completely, removing any layers below.
- The joint is cleaned, treated for mould and left to dry.
- We use the right backing and sealant for any joint that moves.
- The new joint is tooled neatly and we explain anything else we found.
How to prepare
- Tell us about access, such as stairs, a lift or high-level joints
- Keep children and pets away from the work area
- Let us know about earlier repairs to the joints
Get a quote
Need a quote? Please send an email to info@mrmastic.co.uk with a few details. You’ll know what we plan to do, and what it will cost, before any work begins.
Related advice
Keeping the joints in good condition
To keep the joints looking good and working properly:
- Never seal over old silicone
- Keep bleach and abrasives off the bead
- Don’t point over movement joints
- Check trays and worktops do not move
Keep the room ventilated: run the fan during and after showers, or open a window.
Mould trapped under over-sealed joints spreads unseen. By the time it shows through, the joint is well past saving.
What we’re called out for in St Margaret's Hope
Silicone only bonds to surfaces that are clean and dry. Residue, moisture or dust left in the joint weaken the bond, so it starts lifting sooner than it should.
Look out for these signs:
- Sealant peeling off a dusty or damp surface
- Mould trapped under a layer of silicone
- A second bead peeling off the first
- Torn expansion joints
Whether the job is in St Margaret's Hope itself or nearby, the right material for each joint matters as much as a neat finish.
Comparing quotes
- When the joint can take water or movement
- What happens if the job turns out different
- Who turns up on the day
- Whether the sealant suits the joint
Work for landlords, hotels and businesses
For anyone letting property in or around St Margaret's Hope, jobs at different addresses can go on one quote. Just tell us the addresses and what each one needs.
Hotels need rooms back in use, so the work can be planned room by room around your bookings where we can. We’ve worked in hotels as well as homes and businesses.
Remedial sealant around St Margaret's Hope
St Margaret's Hope is within about 1 mile of the coast. Coastal homes, holiday lets and guest houses can see heavy bathroom use in busy months, which wears sealant and grout out faster than in a quiet home. Island jobs need planning around ferries and the weather, so give us as much notice as you can.
Around St Margaret's Hope, as everywhere, remedial sealant is only as good as the preparation behind it.
St Margaret's Hope is about 11 miles south of Kirkwall, in the Orkney Islands. Our applicators cover remedial sealant for householders, landlords and businesses in St Margaret's Hope, as part of our work across the Orkney Islands. We cover 51 towns and villages across the Orkney Islands, large and small.
We work across KW17 for remedial sealant. Streets in the area include Church Road, Taftingus Place and Back Road, all of which we cover. Other places close to St Margaret's Hope include Widewall (2 miles south-west), Grimness (2 miles east), Burray Village (2 miles north-east), St Mary's (5 miles north) and Upper Sanday (8 miles north-east). St Margaret's Hope is one of the larger places we cover in the Orkney Islands. If you’re somewhere remote, a little more planning is needed, so let us know when you get in touch.
Local landmarks in St Margaret's Hope
Well-known places in the area include W Hourston Blacksmiths Museum (within half a mile west). For a walk, there’s Ward Hill and Mill Pond.
Honest limits
We’d rather tell you now than do work that will not last, so here’s what sealant cannot put right:
- Failed tanking or loose tiles behind the sealant
- Old mastic in a building from before 2000 that should be checked for asbestos before it’s disturbed
- Plumbing leaks behind walls or under trays
Not sure which it is? You can drop us a line at info@mrmastic.co.uk and we will tell you honestly before booking.
What we seal
- Mouldy bath & shower sealant
- Botched or over-sealed joints
- Expansion joints
- Shrunken worktop sealant
- Failed movement joints
- Leaking tray & enclosure joints
Can I do it myself?
If you do try it yourself, take your time over the preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it doesn’t work out, we can still put it right.
Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.
Nearby places to St Margaret's Hope
What else we do in St Margaret's Hope
FAQs for St Margaret's Hope
Do you cover smaller places like St Margaret's Hope?
Yes, smaller places are covered as well as towns. Our work covers the whole of Scotland, including the islands, where work is planned around ferry crossings. Let us know about access, parking and anything unusual about getting there when you book.
Is there a guarantee on remedial sealant in St Margaret's Hope?
Every job comes with our 12-month guarantee, wherever it is. We’re also fully insured and ARBOMaster approved.
Can you match the sealant colour?
In most cases you can choose. We will tell you which colours the right product comes in.
Do I have to be there?
For indoor joints, yes, someone needs to let us in. After that, you can carry on with your day.
Can you take off two layers of silicone?
Yes. Stripping layered sealant takes longer than a normal reseal, but it’s the only way the new joint will last.
Where do you work from?
We are based in Crawley, West Sussex, and we work across South East England, London and Scotland.
Do you take out the old sealant first?
Yes, always, and completely. New sealant will not bond properly to old, so the joint is cleaned back first.
Do the sealants smell?
That depends on the sealant. Some smell for a while, some hardly at all, and any smell fades as they cure.
Why it’s worth doing now in St Margaret's Hope
Leaks that are left keep doing damage out of sight: soaked floorboards, ceiling stains below and blown plaster. Dealing with the joint now is a small job by comparison. Out of town in Scotland, exposed walls take a lot of weather, and damp in stone or harled walls takes a long time to dry once water gets behind a joint.
There are no prices on our website, because the cost depends so much on the job itself. For a quick quote, please drop us a line at info@mrmastic.co.uk.
Why choose Mr Mastic in St Margaret's Hope
- Colour picked to suit the job
- You choose the colour before work begins
- 180+ five-star Google reviews
- Every job guaranteed for a year
Read what affects the cost and what customers say.
