Essex · England
External & façade joints in Camulodunum, Essex
External mastic for Camulodunum and the surrounding area: the right sealant, proper preparation and a neat finish. Call for a quick quote.
- Weeds or debris growing in open joints
- Leaking joints around cladding and façade panels
- Movement joints filled with mortar instead of sealant
External mastic in Camulodunum
Low-level joints can normally be done from the ground. Where joints are higher up, tell us about the building when you get in touch and we will confirm what access is needed. If you’re dealing with damp patches traced to an open external joint and panel joints letting water in, we can help, whatever the surface.
Around Camulodunum, outside jobs take in garage door frames, porches, gutters and trims as well as walls. Where two materials meet, they move differently, and the sealant has to allow for it.
Your job is guaranteed for a year, as with all our work.
- Place
- Camulodunum (CO3, CO2, CO1)
- Wider area
- Essex
- Guarantee
- One year on every job
- Price
- A clear price before work begins
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
When to call us in Camulodunum
A lot of failed joints come down to preparation: joint faces that were dusty or damp, unprimed where they needed it, or still carrying old sealant. The new sealant then lets go long before it should.
Any of these means the joints need attention:
- Panel joints letting water in
- Movement joints with cracked, split or missing sealant
- Failed seals between different materials
- Weathered mastic that no longer stretches
For landlords with property near Colchester Town station, outside joints that have cracked can let damp into a rental, so check them between lets.
Questions to ask before you book
- The length of the guarantee
- Are they insured?
- How long to leave it before use
- What the quote includes, VAT included or not
Questions from Camulodunum
I let a flat near Colchester Town station. Can you help?
Yes, we work for landlords and agents. You can call 0345 464 0079 or drop us an email with the address and a few details, and we’ll give you a fixed price before work begins.
Is there a guarantee on external mastic in Camulodunum?
All our work, in Camulodunum and everywhere else, comes with a 12-month guarantee. We are also fully insured and ARBOMaster approved.
Why do you put foam in the joint first?
We fit closed-cell backing rod wherever the joint depth needs controlling. It sets the sealant depth and prevents three-sided bonding so the bead can stretch.
What should I tell you?
Only a few details: the address or postcode, what’s wrong and any access issues. After that, simply phone 0345 464 0079 or email us.
Are you an approved applicator?
Yes. We are an ARBOMaster approved applicator, which is run for the Arbo sealant brand.
Will the old sealant be removed?
Yes, always, and completely. New silicone does not stick to old silicone, so the joint is cleaned back first.
Is it worth trying it myself?
Some simple jobs can be done by a careful DIYer. Most DIY failures come from sealing over old material, wet joints or too much sealant.
How often do external joints need resealing?
That varies with the weather the wall faces, how much it moves and the sealant used. Sealant is a maintenance item, so check the joints once a year and renew it when it starts to fail.
Looking after it afterwards
Looking after new joints is easy, and it makes a real difference:
- Make sure movement joints aren’t pointed over
- Avoid pressure-washing directly into sealant joints
- Show decorators and builders where the movement joints are
- Deal with leaking gutters that soak the joints below
If you have more work done on the wall, such as new render, cladding or an opening, show the contractor the movement joints. They should be kept open and resealed, not filled.
Gaps, plants or missing sealant in a joint are worth getting looked at. Early work is quicker and leaves a better finish.
Outside joints around Camulodunum
The South East is one of the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
Schools such as Philip Morant School and College are buildings too, and larger buildings have long runs of movement joint that eventually need resealing. In the older streets around Colchester New Church, the joints between older walls, newer extensions and the roofline need a sealant that can move.
Camulodunum is about 1 mile west of Colchester, in Essex. We provide external mastic to homeowners, landlords and businesses in Camulodunum and the surrounding area, as part of our work across Essex. Camulodunum is one of 644 towns and villages in Essex where we work. You can also see our page for Chelmsford, about 19 miles away.
Here we cover the CO3, CO2 and CO1 postcode area for external mastic. You will find streets such as Back Lane, Park Road and Butt Road, and we cover them all. Being close to the A1124, Camulodunum is simple for us to get to. Close by, we work in Lexden (1 mile west), Braiswick (1 mile north), Abbey Field (1 mile south-east), Colchester (1 mile east) and Beacon End (2 miles west). Further out, we also cover Braintree (13 miles west), Clacton-on-Sea (13 miles south-east), Maldon (13 miles south-west), Witham (12 miles south-west), Halstead (11 miles west) and Heybridge (13 miles south-west).
Near you in Camulodunum
In Camulodunum, that means homes and buildings near Prettygate Infant School, Lexden Park and The Sun Inn, among other places. Camulodunum’s nearest station is Colchester Town station, about 1.4 miles east of the centre. Other landmarks nearby include Lion Walk (1.2 miles east) and Colchester Castle (1.4 miles east). The countryside around Camulodunum includes Lexden Gathering Grounds.
How the job changes by surface
Concrete and blockwork
Concrete faces can be dusty and porous, so cleaning and priming matter. A primer goes on where the product requires one before sealing.
Joints between dissimilar materials
Brick against render, concrete against metal, stone against timber: every change of material is a joint. A flexible sealant bridges the two.
What we do, step by step
When we get to you, we compare the joints with what we discussed. If anything is different, we explain it before carrying on. Most jobs then take a few hours to a few days, depending on the length of joint and the access. For a job in Camulodunum, we need access to where the work is and somewhere nearby to park. If the job is outside, mention gates, side access and anything above ground floor.
- We look at every joint and agree a colour to suit the wall.
- Failed sealant is removed back to clean, sound faces.
- Backing rod goes in so the sealant can stretch between the two faces.
- We prime the faces where required.
- We gun in low-modulus sealant and tool it neatly.
Getting ready for the visit
- Clear items away from the joints we are working on
- Mention if the joints have been sealed before
- Tell us if parking is tricky
Getting a quote
Call for a quick quote, or email us if that’s easier. Describe what needs sealing and we will explain what’s involved.
Related advice
What affects the cost of external mastic
Every job gets its own quote. These are the things that affect it:
- Access and height
- The number of rooms or windows
- Which sealant suits the joint
- How much old sealant there is and how hard it is to remove
There are no prices on our website, because the cost depends so much on the job itself. Call for a quick quote.
What to tell us for a quote
When you contact us, these details help:
- The type of property
- The problem you’ve noticed
- Photos by email, if that’s easy
- Roughly how big the job is
If you are in Camulodunum and need external mastic, phone 0345 464 0079 or send us an email. Tell us what the problem is and where, and we will agree the price before any work begins.
Landlords, agents and businesses in Camulodunum
If you manage several properties in or around Camulodunum, jobs at different addresses can go on one quote. Send us the addresses and the work at each.
We work for letting agents and landlords as well as householders. Sealant work between tenants is a simple way to keep a property in good order.
Places near Camulodunum
Also in Camulodunum
Why act early in Camulodunum
Sealing over the top of old mastic does not hold for long. The new layer cannot bond properly to old, weathered material, so we always take the old sealant out. Draughts from a gap round a frame, damp under a sill or water behind a bath panel all start small, and they’re far easier to fix early.
What you pay reflects the work, not guesswork. That’s why we ask a few questions first and agree the price before starting.
What you get with us
- We never seal over old sealant
- Colour picked to suit the job
- Approved under the ARBOMaster scheme
- We agree the colour with you first
Take a look at how sealant jobs are priced or our reviews.