Na h-Eileanan Siar · Scotland
Gutter Sealing in Shawbost
Gutter sealing across Shawbost and nearby, with old sealant always removed completely and a 12-month guarantee.
- Streaks down the brickwork from a leaking joint
- Damp on an inside wall under a dripping gutter
- Old gutter sealant that has let go
Gutter sealing in Shawbost
A lot of gutter leaks come down to one tired joint. We clean out the joint, dry it and reseal it with a sealant made for guttering. If the gutter is broken or sagging, we’ll tell you. We are often asked to deal with water dripping where gutter sections meet and earlier gutter repairs that have peeled off, on garage door frames, roofline trims and soffit joints.
In and around a place like Shawbost, many buildings face open ground and take the full weather. Outside joints on exposed walls work hard.
We stand behind the work with a one-year guarantee, so you are not left on your own once the job is done.
- Location
- Shawbost (HS2)
- Region
- Na h-Eileanan Siar
- Guarantee
- One year on every job
- Price
- A clear quote up front
- info@mrmastic.co.uk
- Page updated
- 26 October 2026
For landlords and businesses
A neglected joint can let water reach the structure, which matters even more when someone else lives there. Keeping joints in good order is simple maintenance.
Mouldy or split sealant often shows up at the end of a tenancy, and it’s easy to sort out between tenants. Several properties can be quoted together.
Why act early in Shawbost
A new garage door isn’t needed for a leaking frame. Resealing the frame joint is often enough, if the frame itself is sound. Around Shawbost, water from a failed joint in an older stone home can soak into timber and plaster.
The cost depends on the size of the job, how hard the old material is to remove and how easy the joints are to reach. You will have a clear quote before any work starts, so you know where you stand.
Why us?
- Sanitary silicone with an anti-fungal additive in wet areas
- Sealant colour chosen to suit
- Neat joints and a tidy finish
- 4.9 on Google from 180+ five-star reviews
Read our cost guide and our reviews.
What affects the cost of gutter sealing
Every job gets its own quote. This is what makes a difference:
- Any working-time requirements on site
- Whether old sealant or filler has to be cut out
- Whether the work is at height
- Which sealant suits the joint
The cost reflects the work involved, not a rough estimate. That’s why we ask about the job first and agree the price before starting.
Asking for a quote
You do not need to know the technical terms. It helps if you can tell us:
- Where the property is
- Photos by email, if that’s easy
- Roughly how big the job is
- What’s wrong with the joints now
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, and add pictures by email if you can.
Can I do it myself?
Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
Shawbost buildings and the weather
Shawbost is close to 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 joints where harling meets other materials need a sealant that can grip and flex.
For jobs in and around Shawbost, choosing the right material for each joint is as important as a tidy finish. In and around Shawbost, as anywhere, good gutter sealing starts with a clean, dry, properly prepared joint.
Shawbost (Gaelic: Siabost) is in Na h-Eileanan Siar. From the centre of Shawbost to the outskirts, we cover gutter sealing for every kind of property. Shawbost is one of 87 towns and villages in Na h-Eileanan Siar where we work for gutter sealing.
All of HS2 is covered for gutter sealing. If you need gutter sealing at a property on Rathad Ghrinnibhat, Cnoc a Charnain and Sraid na H-Eaglaise or anywhere close by, we can help. If you are just outside Shawbost, we cover Bragar (2 miles north-east), Na Gearrannan (4 miles south-west), Carloway (4 miles south-west), Barabhas (7 miles east) and West Side (7 miles east). If you are somewhere remote, a little more planning is needed, so let us know when you get in touch.
Around Shawbost
A little further out are Shawbost Folk Museum (0.7 miles north-east). The countryside around Shawbost includes Loch a' Bhaile.
Shawbost: your questions answered
Do you cover Shawbost for gutter sealing?
Yes. We work across all of Scotland, and Shawbost is part of that. You can email us at info@mrmastic.co.uk and let us know what needs doing, and we’ll give you a clear price.
Does living near the coast affect gutter sealing in Shawbost?
Near the sea, outside joints face more wind, rain and salt than they would inland, so the choice of sealant and the preparation matter even more. Walls facing the sea are normally the first to need attention.
Can you seal fascia and soffit joints?
We do. Our work is the joints, and if a board is damaged, we’ll tell you.
Will sealing fix a sagging gutter?
Not on its own. A sagging gutter pulls its joints apart, so the brackets need fixing first.
Is there any odour?
Some sealants have a smell while they cure, which fades as it sets. Ventilation helps.
How much does gutter sealing cost in Shawbost?
It depends on the job, so we quote each one individually. For a quick quote, drop us a line at info@mrmastic.co.uk with a short description of the job.
Is gutter cleaning part of the job?
We clear debris around the joints we are sealing. A full clean of the gutters isn’t part of it.
Where is Mr Mastic based?
We work from Crawley. We cover Shawbost and the rest of Na h-Eileanan Siar, along with the rest of our area.
Aftercare tips
Aftercare is simple, and it makes a real difference:
- Glance at the soffit joints now and then
- Watch the wall under the gutters for staining
- Keep ladders off the guttering
- Keep downpipes clear
Clear the gutters once or twice a year so water does not sit on the joints. Water left in a gutter tests every joint.
A drip from a gutter joint will not stop on its own. The same spot gets soaked every time it rains, which can lead to staining and damp.
Nearby places to Shawbost
Other services in Shawbost
What the job involves on each surface
Garage door frames
Failed sealant around a garage door frame lets water in. We cut it out and reseal.
uPVC fascias
Fascia board joints can open up. They’re sealed tidily with a matching sealant where possible.
How it works
When we get to you, we check the joints match what you told us. If we find something unexpected, we talk it through with you first. After that, the work takes anything from an hour or two to a few hours. Outdoor work around Shawbost depends on the weather, as sealant needs a dry surface, so an outdoor job can move if the forecast changes. Work indoors is not affected.
- First we agree which joints need sealing.
- We clean out each joint.
- We make sure everything is dry.
- We apply exterior or gutter sealant and finish it neatly.
- We check our work before we leave.
How to prepare
- Keep pets and children clear of the area while we work
- Let us know if you’ve seen damp or leaks
- Tell us if parking is tricky
Get a quote
There’s no standard price list, because every job is different. Instead, your job gets its own clear quote. To get started, email us at info@mrmastic.co.uk.