Essex · England
Great Canney External Mastic
External mastic for Great Canney and the surrounding area: careful preparation, the right product and tidy work. Ask us for a quick quote.
- Leaking joints around cladding and façade panels
- Plants rooting in failed movement joints
- Rain getting behind render or cladding at a joint
DIY versus a professional finish
If you’re set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it fails, we can still redo it.
Too much sealant is as bad as too little. A thick, smeared bead looks untidy and doesn’t move well, and getting the depth right matters as much as the look.
External mastic in Great Canney, done properly
Joints in render and cladding are easy to overlook until a damp patch appears. We inspect them, agree which need doing and reseal with a weatherproof, flexible sealant in a matching colour. We work on brickwork movement joints, joints between brick and frames and concrete & block, and people most often call us about damp patches traced to an open external joint and sealant pulling away from one side of the joint.
External sealant needs dry, clean surfaces, so work around Great Canney is planned for dry weather. Tell us about access to all sides of the building, including outbuildings and garages.
The work is guaranteed for twelve months. If there’s a problem with our work within the year, let us know and we will sort it.
- Location
- Great Canney (CM3)
- Region
- Essex
- Cover
- A year, on every job
- Quote
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026
FAQs for Great Canney
Do you cover smaller places like Great Canney?
Yes, Great Canney is covered. Our work covers London and the South East, from towns to the smallest places. Longer journeys are simply planned in advance.
Do you work for landlords with property near North Fambridge station?
Yes. We work for letting agents and landlords as well as householders, and several properties can be quoted together. Just ring 0345 464 0079 or send us an email with the address and what needs doing, and we’ll give you a clear price.
Are you an approved applicator?
Yes. We’re an ARBOMaster approved applicator.
How long does external mastic take?
As a guide, most jobs take anything from a few hours to several days, depending on the building. Bigger jobs take longer, and we’ll say how long yours will take.
Why is there a gap in my brick wall?
A movement joint is a planned break in the wall that absorbs expansion and shrinkage. It should be filled with flexible sealant, never mortar.
Will there be a smell?
Some sealants have a smell while they cure, which fades as it sets. Opening a window helps.
How long should I leave it?
Most sealants are touch-dry well before they’re fully cured. We’ll give you the cure time for the product we used before we leave.
Can you reach joints on upper floors?
That depends on how high the joints are and the ground below. Ground-floor joints are simple; for higher ones, send details and we’ll confirm the access.
Signs you need external mastic in Great Canney
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 sealant never bonds properly.
The most common problems we see are:
- Hard, crazed mastic that has stopped moving
- Cracked joints where brick meets render or frames
- Water getting into walls through failed joints
- Joints pointed up with cement by mistake
Managing a site like Cold Norton Primary School? Then its movement joints, gutters and trims need looking after like any other building’s.
Questions to ask before you book
- How the colour is chosen
- What preparation is included
- Whether they seal over old material or remove it
- Whether VAT is included
Landlord and commercial work in Great Canney
In hotels, rooms out of use cost money, so the work can be planned room by room around your bookings where we can. We have worked in hotels as well as homes and businesses.
Mouldy or split sealant often shows up at the end of a tenancy. We can quote for more than one property at once.
Places near Great Canney
Other services in Great Canney
The process
When we arrive, we look over the joints with you first, so you know exactly what we are doing. Surfaces next to the work are protected before we start. The work normally takes a few hours to a few days, depending on the length of joint and the access. For a village or hamlet like Great Canney, the journey is planned in advance: tell us about narrow lanes, gates, long drives and where we can park. We bring what the job needs, so it can be finished in one trip where possible.
- 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.
- We fit closed-cell backing rod to control the depth.
- We apply the sealant, tool it and check the whole run.
Before we arrive
- Let us know about stairs, lifts or work at height
- Try not to wet indoor joints just before the visit
- Clear items away from the joints we’re working on
Getting a quote
For a quick quote, get us on the phone, or email us if that’s easier. Tell us about the joints that need doing and we will talk you through the work and give you a clear quote.
Related advice
What happens if it’s left?
It often makes sense to reseal all the failing joints on an elevation together. They’ve weathered the same way, and access only has to be arranged once. Where a wall is exposed, as many are in small places like Great Canney, wind-driven rain gets into any failed joint, and older walls, once damp, take a long time to dry.
Doing several joints on one visit is normally more efficient than separate visits. You will get one clear quote for the whole job.
What you get with us
- An ARBOMaster approved applicator
- White, clear, grey or another colour, product permitting
- Homes, businesses and hotels
- Every job guaranteed for a year
Take a look at what affects the cost or customer reviews.
Great Canney buildings and the weather
Rainfall in the South East is lower than in much of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
Letting a property close to North Fambridge station? Then outside joints that have cracked can let damp into a rental, so check them between lets. In the older streets around Parish Church of St Mary, old and new materials meet at the roofline and walls, which is where sealant earns its keep.
Great Canney is about 4 miles south of Maldon, in Essex. From the centre of Great Canney to the outskirts, we cover external mastic for every kind of property. Great Canney is one of 644 towns and villages in Essex we cover for external mastic. There’s also a page for Chelmsford, roughly 9 miles from Great Canney.
Work in CM3 works the same way as everywhere else we cover. If you’re just outside Great Canney, we cover Farther Howegreen (1 mile north-east), Cold Norton (1 mile east), Stow Maries (1 mile south), Howegreen (1 mile north) and Purleigh (1 mile north). Further out, we also cover Chelmsford (9 miles north-west), Basildon (11 miles south-west), Braintree (15 miles north), Brentwood (15 miles west), Maldon (4 miles north) and Canvey Island (11 miles south).
Local landmarks in Great Canney
Locally, jobs take us to homes and businesses close to William de Ferrers School and The Prince Of Wales Public House, among other places. For rail, the closest station is North Fambridge station, roughly 2 miles south-east of the centre. For a walk, there’s Stow Maries Halt.
Keeping the joints in good condition
Looking after new joints is easy, and it makes a real difference:
- Have failed joints looked at early
- Look over the joints every year, ideally after winter
- Ask before painting over external sealant
- Do not let climbing plants root in the sealant
Only paint over the joint if we’ve confirmed the sealant can take paint. Many exterior sealants aren’t designed to be painted, and paint can crack as the joint moves.
Leave a failed movement joint and water keeps getting into the wall. That can lead to damp patches, staining and frost damage which cost more to put right than the joint.
What the job involves on each surface
Cladding and façade panels
Cladding and façade panels are generally separated by sealed joints. We reseal them with a sealant suited to the panel material.
Brickwork movement joints
Brick walls have vertical movement joints to absorb expansion. They’re resealed over backing rod with a low-modulus sealant.