Aberdeenshire · Scotland
Gardenstown External Mastic
Professional external mastic in and around Gardenstown, with every bit of old sealant taken out first and a 12-month guarantee.
- Old sealant gone brittle and cracked
- Joints pointed up with cement by mistake
- Brick movement joints where the sealant has split
Different surfaces, different methods
Copings and trims
Copings expand and contract through the day, so the joints need a sealant that stays flexible.
Joints between dissimilar materials
Brick against render, concrete against metal, stone against timber: every change of material is a joint. We seal the joint with a flexible exterior sealant so neither cracks the other.
External mastic in Gardenstown, done properly
Low-level joints can generally be done from the ground. For joints higher up, give us some details of the building and we’ll confirm what’s needed to reach them safely. We’re often asked to deal with joints with sealant missing in places and cracked joints where brick meets render or frames, on copings & trims, brickwork movement joints and façade panels.
Stone walls need a stone-friendly sealant, as acetoxy products can attack some stone. On newer homes, the movement joints and roofline trims are what need watching.
Each job carries a 12-month guarantee.

- Place
- Gardenstown (AB45)
- Wider area
- Aberdeenshire
- Cover
- 12 months on all our work
- Price
- A clear price before we start
- info@mrmastic.co.uk
- Updated
- 26 October 2026
How we quote for external mastic
For a quick quote, just ask. The main things that affect it are:
- Whether there’s mould to deal with
- The number and length of the joints
- How much old sealant there is and how hard it is to remove
- Any working-time requirements on site
Rather than a set price list, we price the job in front of us: the amount of work, the old material and the access. You will know the price before we begin.
What to tell us for a quote
What to tell us when you ask for a quote:
- What’s wrong with the joints now
- The address or postcode of the job
- Any access issues, like height or stairs
- If someone has resealed it before
Want a quote for external mastic? Please drop us a line at info@mrmastic.co.uk and tell us about the job. We will explain what we’d do and give you a clear quote before work begins.
How it works
You do not need to clear the whole room or building, just the space around the work. We protect the rest, and the work takes a few hours for a handful of joints, longer for a whole elevation for a typical job. For a place like Gardenstown, longer drives are planned in advance. Mention tracks, gates, ferries or anything else about the route.
- We start by walking round the building and agreeing the joints and the access.
- Every bit of old sealant and any mortar or debris is cut out.
- The faces are brushed clean and primed where the product requires it.
- We fit closed-cell backing rod to control the depth.
- The exterior sealant is applied, tooled and checked along its length.
Before we arrive
- Mention if the joints have been sealed before
- Move anything stored near the joints
- Let us know about parking restrictions
Ask for a quote
Every job is quoted individually, so start by telling us what you need. Simply send an email to info@mrmastic.co.uk and describe the job, and photos are welcome.
Advice
Why act early in Gardenstown
A failed movement joint lets water into the wall and can run behind render or cladding. Resealing early keeps the job to the joint itself, rather than the wall around it. In an older home around Gardenstown, damp from a failed joint can get into timber and plaster.
The cost depends on the amount of work, how much old material has to come out and access to the work. You will have a clear quote before any work starts.
Why us?
- 4.9 on Google from 180+ five-star reviews
- Colour agreed with you before work begins
- Domestic, commercial and hotel work
- Tidy, careful work
Read how sealant jobs are priced or our reviews.
Also near Gardenstown
More services for Gardenstown
Gardenstown buildings and the weather
Gardenstown is close to the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. That is hard on movement joints and outside wall joints, especially on the side facing the sea. Under the Repairing Standard, private landlords in Scotland have to keep homes wind and watertight, and failed outside joints work against that.
Whether the job is in Gardenstown itself or nearby, the right material for each joint matters as much as a neat finish.
Gardenstown is about 12 miles west of Fraserburgh, in Aberdeenshire. Our applicators cover external mastic for homes and businesses in Gardenstown and the surrounding area. Gardenstown is one of 161 towns and villages in Aberdeenshire we cover. You can also see our page for Aberdeen, about 37 miles away.
Jobs for external mastic in AB45 works the same way as everywhere else we cover. If you need external mastic at a property on Church Road, High Street and Main Street or a nearby road, we can help. Close by, we work in New Aberdour (5 miles east), Macduff (6 miles west), New Byth (7 miles south), Banff (7 miles west) and New Pitsligo (7 miles south-east). Further out, we also cover Fraserburgh (12 miles east), Turriff (10 miles south-west), Portsoy (13 miles west), Broadsea (12 miles east), Rosehearty (8 miles east) and Aberchirder (13 miles south-west). Island and remote addresses take a little more planning, so tell us where you are when you ask for a quote.
Around Gardenstown
A little further out are Cullykhan (2.5 miles north-east). The countryside around Gardenstown includes Troup Head RSPB Reserve and Longman Hill.
Common questions in Gardenstown
Is Gardenstown in your area for external mastic?
Yes. Our work covers the whole of Scotland, and Gardenstown is part of that. You can email us at info@mrmastic.co.uk and tell us what needs doing.
Is Gardenstown within the area you cover?
Yes, we do. We work across all of Scotland, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
Do you work for letting agents?
Yes. Domestic, commercial and hotel work are all part of what we do, and we are fully insured.
What do you put in the joint?
The product depends on the job: sanitary silicone where it gets wet, and sealants suited to movement or weather elsewhere. We use products from Arbo and Everbuild.
Can I do it myself?
For a simple, easy-to-reach joint, a careful DIYer can do a reasonable job. The usual mistakes are sealing over old sealant, sealing a damp joint and using too much.
Can you seal over the old sealant?
No, it will not last. It may look fine at first, but the new bead soon lifts. The old sealant has to come out completely.
Do you seal joints where cladding meets other materials?
Yes. The old joint is removed, both surfaces cleaned and primed where needed, and a flexible sealant applied. The colour is chosen to suit.
When will the joints need doing again?
It depends on the exposure, the movement and the product. Treat it as a maintenance item and look at it yearly.
Signs you need external mastic in Gardenstown
Sometimes a movement joint was filled with mortar or a rigid filler by mistake. With the joint locked solid, the movement turns into cracks elsewhere in the wall.
The most common problems we see are:
- Old sealant gone brittle and cracked
- Movement joints filled with mortar instead of sealant
- Moss and dirt in joints with no sealant left
- Failed sealant between panels on a façade
In and around Gardenstown, as anywhere, good external mastic starts with a clean, dry, properly prepared joint.
Questions to ask before you book
- Whether they seal over old material or remove it
- Whether the sealant suits the joint
- Whether you can choose the colour
- The length of the guarantee
Landlords, agents and businesses in Gardenstown
Businesses can book us for washrooms, kitchens, offices and more. For commercial premises, we can talk through working times when we quote.
In hotels, rooms out of use cost money, so the work can be planned room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.
DIY sealant or a professional job?
Some sealant jobs are within reach of a careful DIYer, such as a straightforward joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
A DIY attempt does not rule out a professional job. We remove it and do the joint properly, so tell us about it when you ask for a quote.
