Essex · England
External & façade joints in Church End, Essex
Sealing brickwork movement joints, render, cladding and façade joints for homes and businesses in Church End and across Essex. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.
- Movement joints filled with mortar instead of sealant
- Gaps where render, brick and frames meet
- Sealant pulling away from one side of the joint
External mastic in Church End, done properly
We cut out failed sealant, set the joint depth with closed-cell backing rod and reseal with a low-modulus exterior sealant. The colour is chosen to suit the brick or render so the line blends in. If you have failed seals between different materials and rain getting behind render or cladding at a joint, we can put it right.
In a smaller place like Church End, some homes face open ground, so exposed walls and rooflines take more wind-driven rain. That is where gutter joints and wall joints tend to fail first.
Your job is guaranteed for a year, as with all our work.
- Location
- Church End (CM6)
- Wider area
- Essex
- Guarantee
- A year, on every job
- Quote
- A clear quote up front
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Different surfaces, different methods
Concrete and blockwork
Big joints in concrete need careful depth control. We size the backing rod to the gap so the sealant is not too deep.
Brickwork movement joints
Vertical joints in long brick walls let the brickwork expand without cracking. They’re resealed over backing rod with a low-modulus sealant.
Nearby places to Church End
Also in Church End
Why it’s worth doing now in Church End
Mortar or ordinary filler might look like a quick way to close an open joint, but it locks the joint solid. The wall then cracks somewhere else. A flexible sealant over backing rod is what the joint needs. Homes in smaller places like Church End can face more weather, and failed outside joints let damp into walls. Indoors, a failed seal lets water into floors and panels as it would anywhere.
Doing several joints on one visit is normally more efficient than separate visits. You’ll get one clear quote for the whole job.
What you get with us
- We never seal over old sealant
- Rated 4.9 stars on Google
- Colour picked to suit the job
- ARBOMaster approved applicator
Read what affects the cost and what customers say.
What sealant work cannot fix
In fairness, there are a few things sealant won’t fix:
- Render that’s blown, hollow or coming away
- Cracked brickwork or render that needs a builder or plasterer
- Movement that’s more than a sealant joint can take
If you’re not sure, just ring 0345 464 0079 or email us and we’ll give you a straight answer.
Where we work in Church End
- Copings & trims
- Concrete & block
- Render & cladding joints
- Brickwork movement joints
- Façade panels
- Joints between brick and frames
Aftercare tips
To keep the joints looking good and working properly:
- Ask before painting over external sealant
- Do not let climbing plants root in the sealant
- Point out the joints to other trades
- Keep movement joints as flexible joints, not mortar
Keep pressure washers away from the sealant. High-pressure water can lift the edges over time.
Water getting behind cladding or render can go unnoticed for a long time. When it finally shows inside, the joint may have been open for years.
The process
We keep the work tidy and contained to the area we’re working on, so you can carry on as normal. The job normally takes anything from a few hours to several days, depending on the building. Parking around Church End is normally easier than in a town centre, but mention any lanes, gates or long drives. If the job is outside, tell us about side access and how high the joints are.
- We look at every joint and agree a colour to suit the wall.
- We take out the old sealant until the faces are sound.
- Closed-cell backing rod is pushed in so the sealant bonds to two sides only.
- We prime the faces where required.
- We gun in low-modulus sealant and tool it neatly.
Getting ready for the visit
- Tell us if parking is tricky
- Let us know about stairs, lifts or work at height
- Where the joints are inside, avoid wetting them before we arrive
Getting a quote
Asking for a quote is easy: tell us what needs doing and where and its rough size. A few photos by email make the job easier to understand, and we’ll take it from there.
Related advice
Your questions about external mastic in Church End
Can you do external mastic in Church End?
Yes, Church End is within the area we cover. Our work covers London and the South East. You can call 0345 464 0079 or send us an email and let us know what needs doing.
I let a flat near Stansted Airport station. Can you help?
Yes, we work for letting agents and landlords. Just phone 0345 464 0079 or drop us an email and tell us about the property, and we’ll give you a clear price.
How long does external mastic last?
That depends on the wall, the weather and the movement. Look for splits, hardening or edges coming away, and reseal at that point.
Do you use backing rod?
The foam is closed-cell backing rod. It stops the sealant going in too deep and bonding to three sides, which would stop it stretching.
Can you quote for more than one area?
Yes, we can. Several rooms, windows or areas can go on one quote.
Is it messy?
We keep the work tidy. Nearby surfaces are protected, and the area is left clean when we finish.
Is it worth trying it myself?
You can, for simple jobs. Preparation is everything: all the old sealant out, and a clean, dry joint. If it does not work out, we can redo it.
What does external mastic cost?
Size, access and the old material all affect the cost. Call for a quick quote and we will talk you through it.
What affects the cost of external mastic
Call for a quick quote. What matters most is:
- When we can work, for business premises
- Access and height
- Any mould that needs treating
- The size of the job
Some things make a job bigger or smaller: the old material and how easily it comes out, any mould to treat, and whether we need extra access for height. We take all of that into account in your quote.
Asking for a quote
When you call or email, it’s useful to know:
- What the problem is, such as mould, gaps, leaks or cracking
- Whether it’s a home or a business
- How we’d reach the joints
- Roughly how big the job is
Every job is quoted individually, so start by telling us what you need. Simply ring 0345 464 0079 or email us and describe the job.
Outside joints around Church End
London and the South East are among the drier parts of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast. Historic houses like Horham Hall (about 4.8 miles north-west) are a reminder that the area around Church End 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.
Rented homes near Stansted Airport station change hands often, and split movement joints are easy to miss on a rental until damp shows inside. In the older streets around Parish Church of St Mary the Virgin, an extension built onto an older house moves differently, and the joint between them takes the strain.
Church End is about 1 mile north-east of Great Dunmow, in Essex. If you need external mastic in Church End, it’s easy to get a quote: please phone 0345 464 0079 or email us. We cover Essex from our Crawley base, Church End included. Church End is one of 644 places in Essex where we work. There’s also a page for Chelmsford, roughly 11 miles from Church End.
Jobs for external mastic in CM6 is quoted and booked the same way as anywhere else. External mastic is available to properties on Star Lane, Mill Lane and Barley Lane and the roads around them. Nearby, we also carry out external mastic in Great Dunmow (1 mile south-west), Little Easton (2 miles north-west), Barnston (2 miles south-east), High Roding (4 miles south-west) and Great Canfield (4 miles south-west). Larger places within reach include Chelmsford (11 miles south-east), Braintree (8 miles east), Harlow (13 miles south-west), Witham (13 miles south-east), Saffron Walden (11 miles north-west) and Halstead (12 miles east).
What’s near Church End
Around Church End, our work takes us to homes and buildings near Dunmow St Mary's Primary School and Angel And Harp Public House and the streets around them. Church End’s nearest station is Stansted Airport station, roughly 4.5 miles west of the centre. A little further out are Little Easton Moat (1.6 miles west).
What we’re called out for in Church End
Many joints fail because they were sealed too deep or with nothing behind them. Sealant bonded to three sides has nowhere to go and tears as soon as the joint widens.
Keep an eye out for these signs:
- Movement joints filled with mortar instead of sealant
- Weeds or debris growing in open joints
- Water getting into walls through failed joints
- Panel joints letting water in
For site and facilities teams at buildings such as Helena Romanes School and Sixth Form Centre, larger buildings have long runs of movement joint that eventually need resealing.
Comparing quotes
- Is VAT in the price?
- Whether they seal over old material or remove it
- What happens if the job turns out different
- What product goes in the joint