Shetland Islands · Scotland
Ollaberry External Mastic
Professional external mastic in and around Ollaberry, with every bit of old sealant taken out first and a 12-month guarantee.
- Water getting into walls through failed joints
- Old sealant gone brittle and cracked
- Plants rooting in failed movement joints
External mastic in Ollaberry
A movement joint is a deliberate break that lets a wall expand and contract. The sealant in it has to stretch and squeeze for years, so once it splits or hardens, the joint stops working and water gets in. If you’re dealing with leaking joints around cladding and façade panels and hard, crazed mastic that has stopped moving, we can put it right, whatever the surface.
Across smaller places in Scotland, stone and harled cottages, farm buildings and newer houses often stand exposed to wind and rain. Gutter joints and wall joints take a battering, so they need a sealant that moves with the building.
Whatever the size of the job, it’s backed by our 12-month guarantee in Ollaberry and across the Shetland Islands.
- Location
- Ollaberry (ZE2)
- Wider area
- Shetland Islands
- Cover
- One year on every job
- Price
- Quoted before any work starts
- info@mrmastic.co.uk
- Updated
- 26 October 2026
How it works
We keep the work tidy and contained to the area we’re working on. The job normally takes a few hours to a few days, depending on the length of joint and the access, and we explain the cure time before we leave. Outside jobs in Ollaberry need a dry day, because sealant won’t bond to a wet joint, so external jobs may need to move if the day turns wet. Indoor work goes ahead whatever the weather.
- We start by checking each joint, agreeing the ones to redo and how we’ll reach them.
- We cut out the failed sealant and rake out any dirt or growth.
- We clean both faces of the joint and prime them where the product calls for it.
- Backing rod goes in next, setting the depth and keeping the sealant off the back of the joint.
- The new sealant, chosen to suit the brick or render, is applied and tooled to a neat finish.
Preparing for the visit
- Keep children and pets away from the work area
- Mention if the joints have been sealed before
- Clear items away from the joints we’re working on
Ask for a quote
Every job is quoted individually. Simply drop us a line at info@mrmastic.co.uk and describe the job and send photos if you have them.
Advice
What else we do in Ollaberry
What we’re called out for in Ollaberry
Buildings move more than people expect. Clay bricks expand slightly over their life, concrete and block shrink, and everything moves with temperature and wet. All of that ends up in the joint sealant.
The problems people generally mention when they call are:
- Weathered mastic that no longer stretches
- Brick movement joints where the sealant has split
- Gaps where render, brick and frames meet
- Rain getting behind render or cladding at a joint
In and around Ollaberry, as anywhere, good external mastic starts with a clean, dry, properly prepared joint.
Comparing quotes
- Whether all the old sealant comes out first
- How the joint is cleaned and prepared
- How much experience the applicator has
- Whether you can choose the colour
Common questions in Ollaberry
Is Ollaberry within the area you cover?
Yes, Ollaberry is covered. Our work covers the whole of Scotland, islands included, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
Do you cover Ollaberry for external mastic?
Yes. Our work covers the whole of Scotland, and Ollaberry is part of that. You can email us at info@mrmastic.co.uk and let us know what needs doing.
How long before the joint can be used?
Different products cure at different speeds, so please follow the time we give you.
Are you insured?
Yes. We are fully insured, with over 20 years’ experience in sealant work.
Can you match the colour of my brickwork?
The sealant colour is picked to suit the wall so the joint blends in. Exterior sealants come in a good range of colours.
Can I add another job to the visit?
Yes. Tell us about everything you’d like done and we’ll quote it together.
Do you take out the old sealant first?
Yes. Sealing over the old bead is the commonest cause of early failure, and it’s something we never do.
Do you seal joints where cladding meets other materials?
Yes. Materials like render, brick, metal and uPVC all move differently, so a flexible sealant is needed where they meet. We choose one that suits both surfaces.
When something else is needed
We’d rather tell you now than do work that will not last, so these are the limits:
- Cutting new joints into brickwork, which is building work rather than sealant work
- Failed render or damaged cladding panels
- Cracking across the wall rather than at a joint
Not sure which it is? You can send an email to info@mrmastic.co.uk and we will tell you honestly.
Where we work in Ollaberry
- Joints between brick and frames
- Copings & trims
- Concrete & block
- Render & cladding joints
- Façade panels
- Brickwork movement joints
What external mastic looks like in Ollaberry
Ollaberry is close to the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. Both are hard on movement joints and outside wall joints, which can dry out and crack sooner where a building faces the weather. Harled (roughcast) walls are common in Scotland, and joints where harling meets other materials need a sealant that can grip and flex.
If you live in an older home near Ollaberry Church and Churchyard with Monument, the joints between older walls, newer extensions and the roofline need a sealant that can move.
Ollaberry is in the Shetland Islands. Our applicators cover external mastic for homes and businesses in Ollaberry and nearby. Ollaberry is one of 63 places in the Shetland Islands we cover for external mastic.
Work in ZE2 is quoted and booked the same way as anywhere else. Nearby, we also carry out external mastic in Hogaland (1 mile south-west), Urafirth (4 miles west), Sullom (5 miles south), Hillswick (5 miles west) and Scatsta (5 miles south). If you’re somewhere remote, a little more planning is needed, so let us know when you get in touch.
Local landmarks in Ollaberry
For a walk, there’s Burgan Loch and Hill of Skea.
Quotes for external mastic in Ollaberry
We quote each job individually. This is what makes a difference:
- When we can work, for business premises
- The size of the job
- How easy the joints are to reach
- The number of rooms or windows
Rather than a set price list, we look at what your job involves: how many joints, what’s in them now and how we reach them. You will know the price before we begin.
Helping us quote
To help us quote quickly, let us know:
- Where the property is
- A few photos by email, if you can
- How we’d reach the joints
- Roughly how big the job is
It all starts with a short chat. Tell us what’s wrong, where it is and how much there is. When it suits you, drop us a line at info@mrmastic.co.uk.
Looking after it afterwards
Joint life depends on how it’s used and looked after. We suggest:
- Tell anyone working on the walls about the movement joints
- Check external joints each spring
- Avoid pressure-washing directly into sealant joints
- Fix overflowing gutters above sealed joints
If you have more work done on the wall, such as new render, cladding or an opening, show the contractor the movement joints. They should be kept open and resealed, not filled.
Water getting behind cladding or render can go unnoticed for a long time. When it finally shows inside, the joint may have been open for years so early resealing is worth it.
For landlords and businesses
A neglected joint can let water reach the structure, which is a bigger problem in a rented property. Keeping joints in good order is simple maintenance.
We work for landlords and letting agents as well as homeowners. Resealing between tenancies is a simple way to keep a property in good order.
Why deal with it now?
Low-modulus sealants stretch easily, so they put less strain on the joint edges. That protects surfaces like brick, render and concrete. A stiffer product can damage the joint edge as it fails. Around Ollaberry, 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.
What it costs depends on the size of the job, how much old material has to come out and access to the work. We give a clear quote before any work starts, so you know where you stand.
Why choose Mr Mastic in Ollaberry
- Anti-fungal sanitary silicone in wet areas
- 180+ five-star Google reviews
- We’re fully insured
- You choose the colour before work begins
See how sealant jobs are priced and our reviews.