Kent · England
External & façade joints in Newington, Kent
Our applicators work in Newington on sealing brickwork movement joints, render, cladding and façade joints. Old sealant removed completely, joints prepared properly and a one-year guarantee.
- Joints with sealant missing in places
- Failed seals between different materials
- Weeds or debris growing in open joints
External mastic in Newington, done properly
Movement joints let brickwork, render and cladding expand and shrink without cracking. Its sealant has to flex with the building, season after season, so once it splits or hardens, the joint stops working and water gets in. If you are dealing with movement joints filled with mortar instead of sealant and failed seals between different materials, we can put it right, on render & cladding joints, façade panels and joints between brick and frames alike.
Outbuildings, garages and conservatories around homes in places like Newington add more joints to look after. Gutter ends, garage door frames and the joints where an extension meets the house are typical spots for leaks.
Each job carries a 12-month guarantee, large or small.
- Place
- Newington (ME9)
- Wider area
- Kent
- Cover
- One year on every job
- Quotes
- A clear quote up front
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
What the job involves on each surface
Brickwork movement joints
Clay brickwork grows slightly over its life and moves with the weather. The movement joint takes that up, so its sealant has to stay flexible.
Concrete and blockwork
The face of concrete or block is often dusty, so cleaning and priming matter. A primer goes on where the product requires one.
Walls and rooflines in Newington
Newington is close to 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. London and the South East are among the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
Schools such as Newington Church of England Primary School are buildings too, and larger buildings have long runs of movement joint that eventually need resealing. Letting a property close to Newington station? Then split movement joints are easy to miss on a rental until damp shows inside.
Newington is about 3 miles west of Sittingbourne, in Kent. From the centre of Newington to the outskirts, we cover external mastic for every kind of property. Our area takes in 922 places across Kent, large and small. We also work in Chelmsford, around 28 miles away.
Work in ME9 works the same way as everywhere else we cover. If you need external mastic at a property on Station Road, High Street and London Road or a nearby road, our applicators can take on the job. If you’re just outside Newington, we cover Breach (1 mile north-west), Keycol (1 mile east), Lower Hartlip (1 mile west), Danaway (1 mile south) and Chestnut Street (1 mile south-east). We also work in nearby towns such as Maidstone (8 miles south-west), Sittingbourne (3 miles east), Gravesend (14 miles north-west), Faversham (10 miles east), Northfleet (15 miles west) and Minster (7 miles north-east).
Local landmarks in Newington
Locally, jobs take us to homes and businesses close to The Wheatsheaf pub and Leigh Academy Rainham. Newington has its own railway station: Newington station. A little further out are Medway Maritime Hospital (5.7 miles west) and Bayford Court (3.4 miles east). Green spaces nearby include Bishop Saltings.
Places near Newington
Other services in Newington
How the visit works
All our tools and materials come with us in the van. After a quick look at the joints together, the area is protected and the work begins. Most jobs take anything from a few hours to several days, depending on the building. A visit to Newington is planned like any other: the time, the access and where to park are agreed in advance. If the work is outside, the weather plays a part, as sealant needs a dry surface.
- We start by walking round the building and agreeing the joints and the access.
- Every bit of old sealant and any mortar or debris is cut out.
- Joint faces are cleaned back and primed if the sealant needs it.
- We fit closed-cell backing rod to control the depth.
- We apply the sealant, tool it and check the whole run.
Getting ready for the visit
- Tell us about access, such as stairs, a lift or high-level joints
- Let us know about parking restrictions
- Mention any leaks or damp you’ve noticed
Ask for a quote
Call for a quick quote, or email us if that’s easier. Describe what needs sealing and we’ll explain what’s involved and give you a clear quote.
Advice
How we quote for external mastic
The price is agreed before any work begins. It’s based on:
- The old material and how stubborn it is
- Any mould that needs treating
- How many rooms, windows or areas are involved
- How much there is to do
Commercial jobs are quoted on the same basis as homes: the amount of work, the access and the products needed, along with when we can work on site. Call for a quick quote and we’ll go through it with you.
What we need to know
Photos by email are helpful but not essential. Please mention:
- Where the job is, and your postcode
- How we’d reach the joints
- Whether it’s a home or a business
- Roughly how big the job is
If you’re in Newington and need external mastic, call 0345 464 0079 or send us an email. A short description of the job and where it is helps us quote, and we will agree the price before any work begins.
DIY versus a professional finish
Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
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.
Landlords, agents and businesses in Newington
A neglected joint can let water reach the structure, which matters even more when someone else lives there. Keeping joints in good order is simple maintenance that we can handle for you.
From a single let to a portfolio, the work is the same standard: the old material taken out, careful preparation and a 12-month guarantee.
Aftercare tips
No joint lasts for ever, but care makes a real difference. A few tips:
- Never let anyone fill a movement joint with mortar
- Have failed joints looked at early
- Walk round the building once a year and look at the joints
- Ask before painting over external sealant
Look over the joints once a year, ideally after winter. Splits, gaps at the edges or plants in the joint are early warning signs.
An open movement joint lets rain into the wall every time it pours. That can lead to damp patches, staining and frost damage.
Do you need external mastic in Newington?
Many joints fail because they were sealed too deep or with nothing behind them. If the sealant sticks to the back as well as the sides, it cannot stretch and rips as the joint opens.
Any of these means the joints need attention:
- Water getting into walls through failed joints
- Leaking joints around cladding and façade panels
- Joints pointed up with cement by mistake
- Sealant that has lost its bond to the brick or render
Homes close to Church of St Mary include some older properties, and the joints between older walls, newer extensions and the roofline need a sealant that can move.
Questions to ask before booking
- Is VAT in the price?
- What guarantee comes with the work
- Which colour the sealant will be
- What product goes in the joint
Your questions about external mastic in Newington
Is external mastic in a coastal place like Newington any different?
Coastal homes put outside sealant through more weather than inland ones, so the choice of sealant and the preparation matter even more. Walls facing the sea are generally the first to need attention.
Can you help a landlord with a rental near Newington station?
Yes, we work for landlords and letting agents. You can ring 0345 464 0079 or email us with the address and a few details, and we’ll give you a fixed price before we start.
Can you seal over the old sealant?
No, it will not last. It can look neat for a few weeks, but the new bead soon lifts. Removing the old sealant completely is the only lasting way.
Can you match the colour of my brickwork?
We choose a sealant colour to suit the brick, stone or render so the joint blends in. Exterior sealants come in a good range of colours.
Can I do it myself?
It depends on the job. High-level, external movement and fire-rated joints are professional jobs, while a short indoor joint may be within reach.
Can you seal joints between two different materials?
Yes. Joints between dissimilar materials are a big part of external work. We use a flexible sealant suited to both surfaces.
Will it make a mess?
Not at all. We work neatly, protect the area around the joints and tidy up afterwards.
Will there be a smell?
There can be a smell while the sealant cures, but it fades. Ventilation helps.