Highland · Scotland

Aberchalder External Mastic

Problem with your movement joints in Aberchalder? We cut out the old, prepare the joints and apply the right sealant.

  • Panel joints letting water in
  • Sealant that has lost its bond to the brick or render
  • Rigid filler in a joint that should flex

External mastic in Aberchalder

What affects the cost of external mastic

For a quick quote, just ask. The main things that affect it are:

  • The amount of work
  • Which sealant suits the joint
  • Mould in or behind the old joints
  • Access and height

Leaving a failed joint usually makes the job bigger, not smaller, as water and mould keep getting in. If you are unsure, send an email to info@mrmastic.co.uk and we will give you an honest view and a quote.

What we need to know

What to tell us when you ask for a quote:

  • A few pictures by email, if you can
  • Any previous sealing or DIY work
  • The type of property
  • Roughly how big the job is

We quote each job on its own, so start by telling us what you need. Simply drop us a line at info@mrmastic.co.uk and describe the job and send photos if you have them.

External mastic in Aberchalder

For buildings in Aberchalder, we reseal external joints of all kinds, from brick movement joints to cladding panels. The preparation is the same whatever the wall: clean, sound faces and a controlled depth. If you’re dealing with gaps where render, brick and frames meet and sealant that has lost its bond to the brick or render, we can put it right.

Stone walls need a stone-friendly sealant, as acetoxy products can attack some stone. Newer houses need their movement joints and roofline trims kept sound.

The work is guaranteed for twelve months. If something isn’t right with it in that time, tell us and we will put it right.

Place
Aberchalder (PH35)
Wider area
Highland
Cover
A year, on every job
Quote
A clear price before work begins
Email
info@mrmastic.co.uk
Updated
26 October 2026
Eleven members of the Mr Mastic team standing in front of branded white vans

Why deal with it now?

Resealing a run of joints in one go is generally better than patching one at a time. They’ve weathered the same way. In an older home around Aberchalder, damp from a failed joint can get into timber and plaster.

We do not show prices on the website, because the cost depends so much on the job itself. For a quick quote, please email us at info@mrmastic.co.uk.

Why choose Mr Mastic in Aberchalder

  • We’re fully insured
  • An ARBOMaster approved applicator
  • A choice of colours where the product allows
  • 180+ five-star Google reviews

Read what affects the cost and our reviews.

Common questions in Aberchalder

Is external mastic in Aberchalder guaranteed?

All our work, in Aberchalder and everywhere else, comes with a 12-month guarantee. We are fully insured, and an ARBOMaster approved applicator.

Do you cover smaller places like Aberchalder?

Yes, Aberchalder is covered. Our work covers the whole of Scotland, and smaller places are part of that. Longer journeys are simply planned in advance.

Are you insured?

Yes. Full insurance covers our work.

Is it messy?

Not at all. We work neatly, protect the area around the joints and tidy up afterwards.

Will the new joint stand out?

The sealant colour is picked to suit the wall. There’s a wide choice of exterior colours.

What is a movement joint?

A vertical gap in a long brick wall is usually a movement joint. It lets the bricks expand without cracking and needs a flexible seal, not mortar.

How long before the joint can be used?

Different products cure at different speeds, so please follow the time we give you.

Where is Mr Mastic based?

We are based in Crawley, West Sussex, and we cover South East England, London and all of Scotland.

How the job changes by surface

Copings and trims

Joints in copings, parapets and trims are exposed to the worst of the weather. We reseal them with an exterior sealant suited to the material.

Brickwork movement joints

Brick moves with heat and moisture, and grows a little over time. That movement goes into the joint, so its sealant has to stay flexible.

Work for landlords, hotels and businesses

We also work for businesses, from offices to washrooms and kitchens. For commercial premises, we can talk through working times when we quote.

Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements.

Do you need external mastic in Aberchalder?

Joints sealed without backing rod, or far too deep, rarely last. If the sealant sticks to the back as well as the sides, it can’t stretch and tears as soon as the joint widens.

The problems people normally mention when they call are:

  • Joints where the bead has come unstuck
  • Gaps where render, brick and frames meet
  • Movement joints with cracked, split or missing sealant
  • Old sealant gone brittle and cracked

In and around Aberchalder, as anywhere, good external mastic starts with a clean, dry, properly prepared joint.

Before booking anyone

  • Which colour the sealant will be
  • How the surfaces are prepared before sealing
  • What the cure time is
  • Which sealant they’ll use, and why

Our hiring checklist

What we can’t put right

New sealant cannot fix everything, and we will tell you before any work starts. It will not solve:

  • Adding movement joints to masonry that has none
  • Failed render or damaged cladding panels
  • Damp that isn’t coming from the joint

If you are not sure, just drop us a line at info@mrmastic.co.uk and we’ll give you a straight answer before you book.

Where we work in Aberchalder

  • Concrete & block
  • Brickwork movement joints
  • Façade panels
  • Copings & trims
  • Joints between brick and frames
  • Render & cladding joints

Outside joints around Aberchalder

Aberchalder is in the west of Scotland, which is wetter than the east, which means movement joints and outside wall joints has to cope with a lot of rain. Private landlords in Scotland must meet the Repairing Standard, which includes keeping a home wind and watertight, and failed outside joints work against that.

Whether the job is in Aberchalder itself or nearby, the right material for each joint matters as much as a neat finish.

Aberchalder is about 32 miles south-west of Inverness, in Highland. Jobs in Aberchalder get the same care as everywhere else we work: old sealant removed completely, careful preparation and a one-year guarantee. Across Highland, we cover 253 places, Aberchalder among them. There’s also a page for Dundee, about 79 miles away.

Work in PH35 works the same way as everywhere else we cover. Close by, we work in Newtown (1 mile north-east), Fort Augustus (4 miles north-east), Laggan (5 miles south-west), Glen Moriston (6 miles north-west) and Invermoriston (9 miles north-east). For island and remote addresses, the job takes a little more planning, so let us know when you get in touch.

Near you in Aberchalder

Nearby you’ll also find Invergarry Castle (2.7 miles south-west). Not far away are Lochan Doire Cadha.

Map of Aberchalder © OpenStreetMap contributors

What we do, step by step

Most of a good job is in the preparation, and we don’t rush it. Every joint is cleaned and dried before new material goes in. All told, the work takes a few hours to a few days, depending on the length of joint and the access. In smaller Scottish places, parking is usually less of an issue than access and distance. Tell us how to find the property and how to reach the work.

  1. We start by checking each joint, agreeing the ones to redo and how we will reach them.
  2. We cut out the failed sealant and rake out any dirt or growth.
  3. Both sides are cleaned back to sound material and primed if needed.
  4. Closed-cell backing rod is fitted to set the depth and stop three-sided bonding.
  5. We gun in a flexible exterior sealant in a colour that suits the wall and tool it neatly.

How to prepare

  • For business premises, tell us about site rules or sign-in
  • Plan for the work area to be out of bounds to pets and children
  • Tell us about any water getting in

Ask for a quote

Want a quote for external mastic? Please email us at info@mrmastic.co.uk and tell us about the job. You will know what we plan to do, and what it will cost, before any work begins.

Ask for a quote

Advice

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job