Shetland Islands · Scotland
Remedial sealant & repairs in Symbister, Shetland Islands
Our applicators work in Symbister on removing failed, mouldy or leaking sealant and putting it right. Old material cut out, joints cleaned and sealed neatly and a 12-month guarantee.
- Sealant peeling off a dusty or damp surface
- Caulk or the wrong sealant used in a wet area
- Black mould underneath the bead
Remedial sealant for homes and businesses in Symbister
In Symbister, as anywhere, remedial jobs tend to look alike: over-sealed joints, hidden mould, repeat leaks and split movement joints. Each is stripped back and done again properly. Typical jobs include wide, uneven beads that look worse than the old ones and movement joints that have split or pulled away, across shrunken worktop sealant, failed movement joints and mouldy bath & shower sealant.
A bathroom in a place like Symbister gets the same daily wear as one in a city flat. Limescale is less of a problem with Scotland’s generally soft water, but mould still takes hold in damp sealant and grout.
A one-year guarantee comes with the work, just as it does everywhere we cover.
- Where
- Symbister (ZE2)
- Region
- Shetland Islands
- Guarantee
- A year, on every job
- Price
- Quoted before any work starts
- info@mrmastic.co.uk
- Page updated
- 26 October 2026

What happens on the day
Every visit runs the same way: we check the joints, protect the area around them, carry out the job and tidy away. Most jobs take a few hours for most joints, depending on how much old sealant has to come out. For a place like Symbister, longer drives are planned in advance. Mention tracks, gates, ferries or anything else about the route.
- First we find out how and where the joint has failed.
- Every layer of old sealant is cut and cleaned out.
- The joint is cleaned, treated for mould and left to dry.
- We use the right backing and sealant for any joint that moves.
- We tool the joint and tell you about anything else that needs attention.
Before we arrive
- Plan for the work area to be out of bounds to pets and children
- On commercial sites, let us know about site rules
- Mention any tricky access
Ask for a quote
We quote each job on its own, so the first step is telling us about yours. Simply email us at info@mrmastic.co.uk and describe the job and send photos if you have them.
Related advice
More services for Symbister
Looking after it afterwards
After the cure time, these simple habits help:
- Don’t point over movement joints
- Ask why a joint failed before redoing it
- Look for stains below bathrooms now and then
- Never seal over old silicone
Give the new sealant its full cure time: usually around 24 hours, or as long as we advise.
Signs to act on: peeling layers, mould showing through the bead, leaks after showering or cracks in a movement joint. Each one is worth getting looked at.
Common questions in Symbister
Will you come out to Symbister?
Yes, Symbister is covered. Our work covers the whole of Scotland, islands included, and smaller places are part of that. Longer journeys are simply planned in advance.
Is remedial sealant in Symbister guaranteed?
Every job comes with our one-year guarantee, wherever it is. We are also fully insured and ARBOMaster approved.
How much does remedial sealant cost in Symbister?
The cost depends on the size of the job, access and how much old sealant has to come out. Call for a quick quote.
Can you remove old sealant without damaging the bath?
Yes. We take our time over removal, especially on acrylic, enamel and uPVC.
When is the sealant fully cured?
Different products cure at different speeds, so follow the cure time we give you when we finish.
Do you fix expansion and movement joints?
Yes. Where mortar or filler has been used instead of sealant, it’s removed where it can be, and reseal with a flexible product.
Is it messy?
We keep the work tidy. Nearby surfaces are protected, and the area is left clean when we finish.
Do you hold any approvals?
Yes. We’re an ARBOMaster approved applicator.
How the job changes by surface
Movement & expansion joints
Movement joints in floors, walls and façades need a flexible sealant set to the right depth. We remove the failed sealant, fit backing and reseal.
Worktops & kitchens
Old kitchen sealant pulls back from the wall over time. We strip it, degrease the joint and reseal colour-matched to the worktop.
Why act early in Symbister
DIY removal often leaves scratches and a film of residue, and any film left behind stops new sealant sticking. Careful removal is most of a remedial job. 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.
What it costs depends on the size of the job, how hard the old material is to remove and access to the work. You’ll have a clear quote before any work starts, so you know where you stand.
Why Symbister clients choose us
- Old sealant always removed completely
- Rated 4.9 stars on Google
- A 12-month guarantee on all work
- A choice of colours where the product allows
See what affects the cost and what customers say.
Can I do it myself?
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.
The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is.
When something else is needed
We’d rather tell you now than do work that won’t last, so here’s what sealant cannot put right:
- A bath, tray or worktop that moves until it’s properly fixed
- Sealant in an older building that needs testing for asbestos first
- A leaking trap, valve or supply pipe
Not sure which it is? You can drop us a line at info@mrmastic.co.uk and we will tell you honestly.
Where we work in Symbister
- Expansion joints
- Botched or over-sealed joints
- Failed movement joints
- Leaking tray & enclosure joints
- Shrunken worktop sealant
- Mouldy bath & shower sealant
Quotes for remedial sealant in Symbister
Every job gets its own quote. This is what makes a difference:
- When we can work, for business premises
- The number of rooms or windows
- Whether old sealant or filler has to be cut out
- How much there is to do
We don’t show prices on the website, because each job is priced on what it involves. For a quick quote, please send an email to info@mrmastic.co.uk and we will talk you through it.
What to tell us for a quote
When you contact us, it’s useful to know:
- If someone has resealed it before
- Photos by email, if that is easy
- Any access issues, like height or stairs
- Where the job is, and your postcode
The more we know about the job, the more useful the quote. Tell us where the job is, what’s wrong and how much there is.
Remedial sealant in Symbister: local notes
Symbister 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 the more notice, the better.
In and around Symbister, as anywhere, good remedial sealant starts with a clean, dry, properly prepared joint. Whether the job is in Symbister itself or nearby, the right material for each joint matters as much as a neat finish.
Symbister is in the Shetland Islands. From the centre of Symbister to the outskirts, remedial sealant is available for homes and businesses alike, from flats and houses to offices and hotels. Across the Shetland Islands, we cover 63 places, and Symbister is one of them.
Postcode districts we cover here for remedial sealant: ZE2. If you need remedial sealant at a property on Rocky Road, Saeter and North Gardentown or a nearby road, we can help. We also cover the places around Symbister: Sandwick (1 mile south-west), Clate (1 mile south), Hamister (1 mile north), Huxter (1 mile east) and Tripwell (1 mile north-east). We also work in nearby towns such as Lerwick (14 miles south), Sound (15 miles south) and Brae (12 miles west). Remote and island addresses need a little more planning, so tell us where you are when you ask for a quote.
Landmarks near Symbister
Open spaces near Symbister include Ward of Clett and Bu Water.
