Shetland Islands · Scotland
Gutter Sealing in Symbister
Sealing leaking gutter joints, end caps, fascias, soffits and roofline trims for homes and businesses in Symbister and across the Shetland Islands. Fully insured, ARBOMaster approved and guaranteed for a year.
- Garage door frames letting rain in
- Wet patches on the wall under a gutter joint
- Open joints in fascias and soffits
How the visit works
At the end, we look at the finished work together and tell you how long to leave it. The visit itself normally takes a few hours, depending on the number of joints and the access, depending on the size of the job. For a place like Symbister, longer drives are planned in advance. Tell us about tracks, gates, a ferry crossing or anything unusual about getting there.
- We look at the gutters, fascias and trims and agree the joints to seal.
- We clean out each joint.
- We make sure everything is dry.
- We apply exterior or gutter sealant and finish it neatly.
- The joints are checked once sealed.
How to prepare
- Mention any sign-in or site rules at work premises
- Let us know about parking restrictions
- Let us know about stairs, lifts or work at height
Get a quote
There’s no standard price list, because every job is different. Instead, your job gets its own clear quote. To arrange one, email us at info@mrmastic.co.uk.
Related advice
About our gutter sealing in Symbister
Sealant only bonds to a clean, dry joint. So the old sealant and grime come out first and the joint is dried before the new sealant goes in. If you have damp patches inside below a leaking gutter and open joints in fascias and soffits, we can put it right.
Across smaller places in Scotland, stone and harled cottages, farm buildings and newer houses often stand exposed to wind and rain. Outside joints on exposed walls work hard, so they need a sealant that moves with the building.
Whatever the size of the job, you get the same 12-month guarantee in Symbister and across the Shetland Islands.

- Where
- Symbister (ZE2)
- Region
- Shetland Islands
- Guarantee
- One year on every job
- Quotes
- Quoted before any work starts
- info@mrmastic.co.uk
- Updated
- 26 October 2026
DIY versus a professional finish
Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and doesn’t move well, and getting the depth right matters as much as the look.
The biggest DIY mistake is sealing over old sealant. New silicone won’t bond to old, so it peels away and traps moisture behind it. Everything old must be removed first.
Aftercare tips
Joint life depends on how it’s used and looked after. We suggest:
- Keep downpipes clear
- Look for streaks or damp on the wall below gutters
- Clean out the gutters once or twice a year
- Glance at the soffit joints now and then
Give the sealant the cure time we tell you and avoid disturbing it.
A leaking stop end is best sealed before the wet months. Water down the wall all winter can cause damp.
How we quote for gutter sealing
Jobs vary more than people expect. The main factors:
- The size of the job
- The type of sealant required
- Any working-time requirements on site
- Any mould that needs treating
There are no prices on our website, because each job is priced on what it involves. Call for a quick quote and we will talk you through it.
What we need to know
To help us quote quickly, let us know:
- Where the job is, and your postcode
- If it’s domestic, commercial or a hotel
- The rough size of the job
- If someone has resealed it before
For a quick quote, get us on the phone, or send an email if you’d rather. Describe what needs sealing and we will explain what’s involved before giving you a price.
Signs you need gutter sealing in Symbister
End caps get knocked or pushed by water. If the seal fails, water escapes at the end.
It’s worth asking for a quote if you see:
- Garage door frames letting rain in
- Quick sealant fixes on gutters that didn’t last
- Old sealant on roofline trims that has split
- Damp patches inside below a leaking gutter
For jobs in and around Symbister, choosing the right material for each joint is as important as a tidy finish.
Comparing quotes
- How long the guarantee is
- What happens if the job turns out different
- When the joint can take water or movement
- What preparation is included
For landlords and businesses
For anyone letting property in or around Symbister, several properties can be quoted together. Just tell us the addresses and what each one needs, and pictures by email help.
Mouldy or split sealant often shows up at the end of a tenancy. We can quote for more than one property at once.
Questions from Symbister
Does the coastal weather in Symbister affect outside sealant?
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.
Is Symbister in your area for gutter sealing?
Yes, Symbister is within the area we cover. Our work covers the whole of Scotland. You can drop us a line at info@mrmastic.co.uk and let us know what needs doing, and we will send you a clear quote.
How long before the joint can be used?
That depends on the sealant used, so follow the cure time we give you.
Do you take out the old sealant first?
Yes. All of the old material is cut out and the joint cleaned before resealing.
What information do you need?
The location, the problem and the rough size of the job. Photos by email help too.
What about gutters on a second or third storey?
Low gutters are simple to reach. If it’s higher up, let us know and we’ll confirm the access.
Where do you work from?
We are a Crawley-based firm. We work across South East England, London and Scotland.
Can you match the sealant colour?
Most of the time, yes. We will explain which colours are available.
Also in Symbister
Gutter sealing in Symbister: local notes
Symbister is within about 1 mile of the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. That is hard on gutter, fascia and roofline joints, especially on the side facing the sea. Harled (roughcast) walls are common in Scotland, and where harling meets frames, pipes and other materials, the joint needs a flexible sealant that grips a rough surface.
Around Symbister, as everywhere, gutter sealing is only as good as the preparation behind it.
Symbister is in the Shetland Islands. For gutter sealing in and around Symbister, please email us at info@mrmastic.co.uk for a quick quote. We’re based in Crawley and cover the Shetland Islands. Across the Shetland Islands, we cover 63 places, and Symbister is one of them.
Here we cover the ZE2 postcode area for gutter sealing. Whether your property is on Rocky Road, Saeter and North Gardentown or anywhere close by, our applicators can take on the job. If you’re just outside Symbister, we cover Sandwick (1 mile south-west), Clate (1 mile south), Hamister (1 mile north), Huxter (1 mile east) and Tripwell (1 mile north-east). Larger places within reach include Lerwick (14 miles south), Sound (15 miles south) and Brae (12 miles west). For island and remote addresses, a little more planning is needed, so mention it when you ask for a quote.
Local landmarks in Symbister
For a walk, there’s Ward of Clett and Bu Water.
Leave it or put it right?
A bead squeezed onto a wet joint might hold for a while but it tends to peel off. Cleaning out and drying the joint first is what makes it last. 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.
Homes and businesses are quoted the same way: how much there is to do, how we reach it and what it needs, along with when we can work on site. Call for a quick quote and we will explain what it covers.
Why book with us
- Every job guaranteed for a year
- Domestic, commercial and hotel work
- White, clear, grey or coloured to suit, where the product allows
- Colour agreed with you before any work starts
See our cost guide and our reviews.
