Highland · Scotland
Cromdale External Mastic
External mastic across Cromdale and nearby, with every bit of old sealant taken out first and a 12-month guarantee.
- Old sealant gone brittle and cracked
- Movement joints filled with mortar instead of sealant
- Gaps where render, brick and frames meet
External mastic in Cromdale
As ARBOMaster approved applicators, we choose exterior sealants to suit the joint and the surfaces. Some surfaces need a primer before sealing and we use one wherever it does. We work on concrete & block, joints between brick and frames and brickwork movement joints, and people most often call us about plants rooting in failed movement joints and sealant pulling away from one side of the joint.
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.
There’s a 12-month guarantee on every job, large or small.
- Where
- Cromdale (PH26)
- Region
- Highland
- Cover
- One year on every job
- Price
- Quoted before any work starts
- info@mrmastic.co.uk
- Page updated
- 26 October 2026
Common questions in Cromdale
Do you cover smaller places like Cromdale?
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.
What guarantee comes with external mastic in Cromdale?
Every job comes with our 12-month guarantee, wherever it is. We are also fully insured and ARBOMaster approved.
Do you hold any approvals?
Yes. We are ARBOMaster approved, the scheme for applicators of Arbo sealants.
I’m a tenant. Can you help?
We can work for tenants, landlords or agents. Just make sure your landlord agrees.
How do you reach high-level joints?
That depends on how high the joints are and the ground below. Ground-floor joints are simple; for higher work, tell us about the building and we will confirm what’s needed.
What is a movement joint?
It’s a deliberate gap that lets the wall expand and contract without cracking. It’s sealed with a flexible sealant, not mortar.
How much does external mastic cost in Cromdale?
There’s no set price, as it depends on the job: its size, the old material, access and the product needed. We agree the price before any work begins.
How long does external mastic last?
There’s no fixed answer: joints on exposed walls or with a lot of movement age sooner. Check them each year and reseal when they split or harden. Every job carries our 12-month guarantee.
Can I do it myself?
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.
The biggest DIY mistake is sealing over old sealant. New silicone will not bond to old, so it lifts and traps water and mould underneath. Everything old must be removed first.
What affects the cost of external mastic
For a quick quote, just ask. What matters most is:
- How many rooms, windows or areas are involved
- The size of the job
- Whether old sealant or filler has to be cut out
- The product the joint needs
Homes and businesses are quoted the same way: the amount of work, the access and the products needed. Ask us for a quote and we’ll go through it with you.
What we need to know
You don’t need to know the technical terms. It helps if you can tell us:
- Access, such as stairs, a lift or height
- What the problem is, such as mould, gaps, leaks or cracking
- Any previous sealing or DIY work
- If it’s domestic, commercial or a hotel
We don’t publish a price list, as no two jobs are quite the same. Instead, your job gets its own clear quote. To arrange one, email us at info@mrmastic.co.uk.
Landlords, agents and businesses in Cromdale
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 that we can handle for you.
From a single let to a portfolio, you get the same standard of work: the old material taken out, careful preparation and a 12-month guarantee.
Aftercare tips
So the new joints stay in good condition:
- Clear growth from the base of walls and joints
- Wash walls gently around the sealant
- Keep water from gutters off the wall
- Check external joints each spring
Follow the cure time we give you before the joint is knocked or disturbed. The surface skins over quickly, but full cure takes longer.
Gaps, plants or missing sealant in a joint are worth getting looked at. Earlier resealing means a smaller job and a better result.
Nearby places to Cromdale
More services for Cromdale
Do you need external mastic in Cromdale?
Many joints fail because they were sealed too deep or with nothing behind them. Sealant bonded to three sides has nowhere to go and rips as the joint opens.
It’s worth asking for a quote if you see:
- Sealant pulling away from one side of the joint
- Failed sealant between panels on a façade
- Movement joints with cracked, split or missing sealant
- Cracked joints where brick meets render or frames
In and around Cromdale, as anywhere, good external mastic starts with a clean, dry, properly prepared joint.
Before booking anyone
- Whether they seal over old material or remove it
- How hidden problems are handled
- How the joint is cleaned and prepared
- Whether the sealant suits the joint
The process
The work is kept neat and contained to the area we’re working on, so you can get on with your day. Expect the work to take 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 Cromdale 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. Work indoors isn’t affected.
- First, the joints are inspected and the access agreed.
- 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.
- We apply the sealant, tool it and check the whole run.
How to prepare
- Let us know about earlier repairs to the joints
- On commercial sites, let us know about site rules
- Tell us about access, such as stairs, a lift or high-level joints
Get a quote
If you are in Cromdale and need external mastic, send an email to info@mrmastic.co.uk. A short description of the job and where it is helps us quote, and you’ll get a clear quote before we start.
Advice
Walls and rooflines in Cromdale
Under the Repairing Standard, private landlords in Scotland have to keep homes wind and watertight, and sound outside sealant is part of that. Harled (roughcast) walls are common in Scotland, and joints where harling meets other materials need a sealant that can grip and flex.
Homes close to Cromdale Parish Church include some older properties, and an extension built onto an older house moves differently, and the joint between them takes the strain.
Cromdale is about 19 miles south of Forres, in Highland. For external mastic in and around Cromdale, please email us at info@mrmastic.co.uk for a quick quote. We’re based in Crawley and cover Highland, Cromdale included. Cromdale is one of 253 towns and villages in Highland we cover for external mastic. Our Aberdeen page covers work nearby.
Our applicators cover all of PH26 for external mastic and the streets around it. You’ll find streets such as Auchroisk Road, Kirk Road and Auchroisk Place. Other places close to Cromdale include Grantown-on-Spey (3 miles west), Dulnain Bridge (5 miles south-west), Skye of Curr (6 miles south-west), Nethy Bridge (6 miles south-west) and Tormore (6 miles north-east). Island and remote addresses take a little more planning, so please mention your location when you drop us a line at info@mrmastic.co.uk.
Around Cromdale
A little further out are Ian Charles Community Hospital (2.3 miles west) and Grantown Museum (2.4 miles west).
What sealant work can’t fix
Before booking, it’s worth knowing the limits too:
- Render that’s blown, hollow or coming away
- Walls that need new movement joints cut into them
- Cracked brickwork or render that needs a builder or plasterer
If in doubt, email us at info@mrmastic.co.uk and we will say what we think before you book.
What we seal
- Copings & trims
- Render & cladding joints
- Joints between brick and frames
- Façade panels
- Brickwork movement joints
- Concrete & block