Highland · Scotland
External & façade joints in Longman, Highland
Our applicators work in Longman on sealing brickwork movement joints, render, cladding and façade joints. Old material cut out, joints cleaned and sealed neatly and a one-year guarantee.
- Old sealant gone brittle and cracked
- Failed sealant between panels on a façade
- Sealant that has lost its bond to the brick or render
About our external mastic in Longman
External mastic is a job where short cuts show quickly. Overfilled joints, missing backing rod and sealant laid over old sealant all tend to fail early. We strip the joint back and start again. Common call-outs are for joints with sealant missing in places and rigid filler in a joint that should flex, on brickwork movement joints, concrete & block and joints between brick and frames.
External sealant needs dry surfaces, so outdoor work around Longman is planned around the weather. Tell us how to reach each wall, gutter and roofline.
Whatever the size of the job, you get the same 12-month guarantee.

- Where
- Longman (IV1, IV3, IV2)
- Wider area
- Highland
- Guarantee
- A year, on every job
- Quote
- A clear price before any work starts
- info@mrmastic.co.uk
- Page updated
- 26 October 2026
DIY sealant or a professional job?
Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
Some sealant jobs are within reach of a careful DIYer, 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.
Work for landlords, hotels and businesses
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.
For anyone letting property in or around Longman, jobs at different addresses can be quoted together. Just tell us the addresses and what each one needs, and pictures by email help.
What the job involves on each surface
Joints between dissimilar materials
Joints where frames, sills or panels meet the wall are common leak points. The old joint is removed and a sealant that bonds to both sides goes in.
Copings and trims
Coping and trim joints face rain and sun head on. We reseal them with an exterior sealant suited to the material.
What external mastic looks like in Longman
Longman is close to the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. Both are hard on movement joints and outside wall joints, which can dry out and crack sooner where a building faces the weather. Private landlords in Scotland must meet the Repairing Standard, which includes keeping a home wind and watertight, and sound outside sealant is part of that.
Schools such as Millburn Academy are buildings too, and its movement joints, gutters and trims need looking after like any other building’s. In the older streets around East Church, an extension built onto an older house moves differently, and the joint between them takes the strain.
Longman is about 1 mile north of Inverness, in Highland. From the centre of Longman to the outskirts, we cover external mastic for every kind of property. We cover 253 towns and villages across Highland, large and small.
Postcode districts we cover here for external mastic: IV1, IV3 and IV2. We cover properties on Burnett Road, Longman Road and Stadium Road and the roads around them. We also cover the places around Longman: Millburn (1 mile south-east), Crown (1 mile south-east), Merkinch (1 mile west), Inverness (1 mile south) and Ballifeary (2 miles south-west). Larger places within reach include Nairn (15 miles north-east), Cradlehall (3 miles east), Dingwall (11 miles north-west), Alness (14 miles north), Invergordon (14 miles north) and Muir of Ord (9 miles west). For island and remote addresses, the job takes a little more planning, so mention it when you ask for a quote.
Around Longman
Locally, jobs take us to homes and businesses close to Cavell Gardens and 1 Grant Street pub and the streets around them. The closest station to Longman is Inverness station, roughly 0.6 miles south. Nearby you’ll also find Inverness Castle (0.8 miles south) and Royal Northern Infirmary (1.3 miles south). Open spaces near Longman include Tomnahurich.
When to call us in Longman
Every building moves. 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.
Keep an eye out for any of the following:
- Weathered mastic that no longer stretches
- Rain getting behind render or cladding at a joint
- Movement joints filled with mortar instead of sealant
- Sealant pulling away from one side of the joint
For landlords with property near Inverness station, failed wall and movement joints let damp in, so they’re worth checking between tenancies.
Before you book anyone
- What happens if the job turns out different
- Whether you can choose the colour
- How the joint is cleaned and prepared
- What product goes in the joint
How we quote for external mastic
Some jobs are bigger than they look, and some smaller. The main factors:
- The old material and how stubborn it is
- Any working-time requirements on site
- How many rooms, windows or areas are involved
- Mould in or behind the old joints
There are no prices on our website, because the cost depends so much on the job itself. Call for a quick quote.
Helping us quote
Photos by email are helpful but not essential. Try to tell us:
- If it’s domestic, commercial or a hotel
- What the problem is, such as mould, gaps, leaks or cracking
- How many joints, rooms or windows are involved
- Pictures of the joints, sent by email
We do not publish a price list, because every job is different. Instead, we give you a clear quote for your job. To arrange one, drop us a line at info@mrmastic.co.uk.
Common questions in Longman
Is Longman within the area you cover?
Yes, we do. Our work covers the whole of Scotland, from towns to the smallest places. Longer journeys are simply planned in advance.
I let a flat near Inverness station. Can you help?
Yes, landlords and agents are among the people we work for, and several properties can be quoted together. Just email us at info@mrmastic.co.uk with the address and what needs doing, and we’ll give you a clear price.
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. We pick a colour that works with both materials.
What do you need from me for a quote?
A short description and the location, plus pictures if you have them. If we need more, we’ll ask.
What is backing rod for?
Backing rod controls the sealant depth and keeps it off the back of the joint. Then the sealant bonds to two faces and can move.
Are you ARBOMaster approved?
Yes. ARBOMaster is the approved applicator scheme for Arbo sealants, and we’re part of it.
Why is there a gap in my brick wall?
A vertical gap in a long brick wall is generally a movement joint. It lets the bricks expand without cracking, and it should be sealed with a flexible sealant.
Do you remove the old sealant?
Yes. We cut out all the old sealant and clean the joint.
More services for Longman
How it works
The work is kept neat and contained to the joints we are treating, so you can get on with your day. The job generally takes a few hours to a few days, depending on the length of joint and the access, and we tell you how long to leave it before we go. For a place like Longman, longer drives are planned in advance. Mention tracks, gates, ferries or anything else about the route.
- First we look over the joints with you, agree which to renew and talk through access.
- The old mastic and anything lodged in the joint is removed.
- Both sides are cleaned back to sound material and primed if needed.
- Backing rod goes in next, setting the depth and keeping the sealant off the back of the joint.
- We gun in a flexible exterior sealant in a colour that suits the wall and tool it neatly.
How to prepare
- On commercial sites, let us know about site rules
- Try not to wet indoor joints just before the visit
- Let us know about stairs, lifts or work at height
Getting a quote
To get a quote, email us at info@mrmastic.co.uk with the location and a short description of the problem. You’ll have a clear quote before we start.
Read more
What we cannot put right
We won’t take on work that will not last, so these are the limits:
- Rising or penetrating damp from elsewhere in the wall
- Failed render or damaged cladding panels
- Subsidence or other structural problems
If you are not sure, just drop us a line at info@mrmastic.co.uk and we will give you a straight answer.
Joints and surfaces we work on
- Brickwork movement joints
- Façade panels
- Render & cladding joints
- Joints between brick and frames
- Copings & trims
- Concrete & block
