Essex · England
Wix External Mastic
External mastic in Wix from a team with over 20 years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Movement joints filled with mortar instead of sealant
- Cracked joints where brick meets render or frames
- Old sealant gone brittle and cracked
External mastic for homes and businesses in Wix
For buildings in Wix, 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. We work on façade panels, brickwork movement joints and render & cladding joints, and common reasons people get in touch are joints where the bead has come unstuck and brick movement joints where the sealant has split.
External sealant needs dry, clean surfaces, so work around Wix is planned for dry weather. Let us know about access to every wall, plus any garages or outbuildings.
We guarantee the work for a year. If something is not right with it in that time, tell us and we will put it right.
- Where
- Wix (CO11)
- Region
- Essex
- Cover
- One year on every job
- Price
- Quoted before any work starts
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
What affects the cost of external mastic
The price is agreed before any work begins. It takes into account:
- How many rooms, windows or areas are involved
- The number and length of the joints
- Access and height
- Which sealant suits the joint
Some things make a job bigger or smaller: the old material and how easily it comes out, any mould to treat, and whether the work is at height. We take all of that into account in your quote.
What to tell us for a quote
A few details help us give you an accurate quote. When you ask for a quote, tell us:
- If it’s domestic, commercial or a hotel
- Pictures of the joints, sent by email
- Any previous sealing or DIY work
- How we’d reach the joints
For a quote, ring 0345 464 0079 or send us an email and tell us where the job is and what the problem looks like. We’ll give you a clear quote before any work starts.
Common questions in Wix
I let a flat near Wrabness station. Can you help?
Yes, landlords and agents are among the people we work for. You can phone 0345 464 0079 or email us with the details for a clear quote.
Do you cover smaller places like Wix?
Yes, we do. Our work covers London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
Is it messy?
Tidy work is part of the job. Nearby surfaces are protected, and the area is left clean when we finish.
Are you an approved applicator?
Yes. We’re an ARBOMaster approved applicator.
Can you do several jobs on one visit?
Of course. Combining jobs makes good use of the visit, so mention them when you ask for a quote.
What do you need from me for a quote?
Just the basics: where it is, what you’ve noticed and how we reach it. Then phone 0345 464 0079 or send us an email.
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.
What’s an expansion joint in brickwork?
Most straight vertical gaps in brickwork are movement joints. It gives the wall room to move.
What we do, step by step
On the day, there’s very little for you to do. Point us to the joints and we’ll get on with it. The work itself takes a few hours for a handful of joints, longer for a whole elevation. In a small place like Wix, access is generally the main thing to plan. For outside work, also let us know about exposed walls and any outbuildings involved.
- First, the joints are inspected and the access agreed.
- We cut out the old mastic and rake out anything in the joint.
- The faces are brushed clean and primed where the product requires it.
- Backing rod sized to the joint goes in to set the depth.
- We apply the sealant, tool it and check the whole run.
Before we arrive
- Let us know about earlier repairs to the joints
- Move anything stored near the joints
- For business premises, tell us about site rules or sign-in
Getting a quote
Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we’ll explain how we’d tackle it. When it suits you, call 0345 464 0079 or drop us an email.
Related advice
Do you need external mastic in Wix?
Some movement joints have been pointed up with mortar, often by someone who didn’t know what it was for. The joint can’t move, so the wall cracks somewhere else instead.
Most people get in touch when they notice something like this:
- Joints where the bead has come unstuck
- Failed sealant between panels on a façade
- Hard, crazed mastic that has stopped moving
- Water getting into walls through failed joints
In the older streets around Church of St Mary, older walls, gutters and the joints where extensions meet them need a flexible sealant.
What to look for in a quote
- Whether all the old sealant comes out first
- What product goes in the joint
- How long the guarantee is
- What insurance they hold
Nearby places to Wix
What else we do in Wix
External mastic in Wix: local notes
Wix is within about 3 miles of 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. Historic houses like Thorpe Hall (about 4.3 miles south) are a reminder that the area around Wix has older buildings as well as new. In older buildings, older brick and stone need a sealant that suits them, at the right joint depth.
Schools such as Wix and Wrabness Primary School are buildings too, and movement joints, cladding joints and gutters on larger buildings need the same care as a house’s. If you let a flat or house near Wrabness station, failed wall and movement joints let damp in, so they’re worth checking between tenancies.
Wix is about 5 miles west of Harwich, in Essex. If you need external mastic in Wix, please call 0345 464 0079 or drop us an email for a quick quote. We cover Essex from our Crawley base, Wix included. Across Essex, we cover 644 places, and Wix is one of them. There’s also a page for Chelmsford, about 30 miles away.
Postcode districts we cover here for external mastic: CO11. Streets in the area include Hunters Court, Colchester Road and Harwich Road, and we cover them all. Neighbouring places we cover for external mastic include Wix Green (1 mile east), Bradfield (2 miles north-west), Bradfield Heath (2 miles north-west), Great Oakley (2 miles east) and Wrabness (2 miles north-east). Within a short drive, we also cover Colchester (10 miles west), Clacton-on-Sea (8 miles south), Harwich (5 miles east), Camulodunum (12 miles west), Greenstead (9 miles west) and Wivenhoe (8 miles south-west).
Landmarks near Wix
Typical jobs here are in homes near The White Hart Inn. Wix’s nearest station is Wrabness station, about 2.3 miles north-east of the centre. For a walk, there’s Oakfield Wood and Alton Water.
Why act early in Wix
It often makes sense to reseal all the failing joints on an elevation together. They’ve weathered the same way. Around Wix, older homes often have timber in their floors and frames, and water through a failed joint can rot timber if it’s left.
Leaving a failed joint usually makes the job bigger, not smaller. If you are unsure, phone 0345 464 0079 or drop us an email and we will give you an honest view and a quote.
Why book with us
- Trusted Arbo and Everbuild sealants
- We never seal over old sealant
- Neat joints and a tidy finish
- Over 20 years’ experience
Read our cost guide and what customers say.
Honest limits
Honest advice matters more to us than a booking, so here’s what new sealant won’t do:
- Movement that is more than a sealant joint can take
- Render that’s blown, hollow or coming away
- Cracks in the bricks or render themselves, away from the joints
Not sure which it is? You can call 0345 464 0079 or send us an email and we will tell you honestly.
What we seal
- Joints between brick and frames
- Render & cladding joints
- Concrete & block
- Copings & trims
- Façade panels
- Brickwork movement joints
Different surfaces, different methods
Render joints
Render is weaker at the surface than brick, so a sealant that stretches easily protects the edges. We prime where the product needs it.
Cladding and façade panels
Panels heat up and cool down quickly, so the joint sealant has to cope with frequent movement. We choose the product to suit.
Should I try it myself first?
If you are set on DIY, put the effort into preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it does not work out, we can still put it right.
Too much sealant is as bad as too little. A thick, smeared bead looks untidy and does not move well, and getting the depth right matters as much as the look.