West Sussex · England
External & façade joints in Westerton, West Sussex
Movement joints in Westerton need attention? We remove the old material, prepare the joints and seal them properly, and the work is guaranteed for a year.
- Old sealant gone brittle and cracked
- Movement joints filled with mortar instead of sealant
- Weeds or debris growing in open joints
External mastic in Westerton
Where two different materials meet, such as brick and render or blockwork and metal, they move at different rates. A flexible exterior sealant takes up that movement where a rigid filler would soon crack. If you have weeds or debris growing in open joints and joints with sealant missing in places, we can help.
External sealant needs dry, clean surfaces, so work around Westerton is planned for dry weather. Tell us about access to all sides of the building, including outbuildings and garages.
You’re covered for a year from the day we finish. If there’s a problem with it, please phone 0345 464 0079 or email us.
- Location
- Westerton (PO18)
- Wider area
- West Sussex
- Guarantee
- 12 months on all our work
- Quote
- A clear price before we start
- Call
- 0345 464 0079
- Updated
- 26 October 2026
Landlords, agents and businesses in Westerton
Whether it’s one flat or a portfolio, you get the same standard of work: the old material taken out, careful preparation and a 12-month guarantee.
Failed sealant is one of the commonest items on a check-out report. We can quote for more than one property at once.
Walls and rooflines in Westerton
Historic houses like Goodwood House (about 0.8 miles north) are a reminder that the area around Westerton has older buildings as well as new. In older buildings, older walls and rooflines need a sealant that moves with them and suits the material. 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.
In the older streets around The Parish Church of St Peter, older walls, gutters and the joints where extensions meet them need a flexible sealant. Managing a site like The March CofE Primary School? Then larger buildings have long runs of movement joint that eventually need resealing.
Westerton is about 2 miles north-east of Chichester, in West Sussex. Whether you are in the middle of Westerton or further out, external mastic is available for homes and businesses alike. Westerton is one of 371 places in West Sussex where we work. There’s also a page for Portsmouth, roughly 15 miles from Westerton.
Work in PO18 works the same way as everywhere else we cover. Neighbouring places we cover for external mastic include Strettington (1 mile east), Waterbeach (1 mile north-east), Maudlin (1 mile south), Westhampnett (1 mile south-west) and Shopwyke (1 mile south). Within a short drive, we also cover Worthing (15 miles east), Bognor Regis (5 miles south-east), Selsey (9 miles south), Littlehampton (10 miles east), Emsworth (8 miles west) and Rustington (11 miles east).
Landmarks near Westerton
In Westerton, that means homes and buildings near Chichester High School For Girls, Westbourne House School and The Coach And Horses Public House and the streets around them. The closest station to Westerton is Chichester station, roughly 2.5 miles south-west of the centre. A little further out are Chichester Castle (2 miles south-west) and Chichester Centre (1.5 miles south-west). Open spaces near Westerton include Kingley Vale National Nature Reserve and Levin Down.
Aftercare tips
Looking after new joints is easy, and it makes a real difference:
- Leave the joints unpainted unless we’ve said otherwise
- Tell anyone working on the walls about the movement joints
- Fix overflowing gutters above sealed joints
- Wash walls gently around the sealant
Only paint over the joint if we have confirmed the sealant can take paint. Paint can crack on a flexible joint, and paint can crack as the joint moves.
Leaks behind façade panels and render often go unseen. By the time there’s a damp patch, the damage can be well established so early resealing is worth it.
Should I try it myself first?
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’ve already had a go yourself, that is fine. We remove it and do the joint properly, so just mention it when you contact us.
What we do, step by step
Our applicators work methodically: protect, prepare, seal, tidy. Typically it takes a few hours to a few days, depending on the length of joint and the access, and the area is left clean. Somewhere like Westerton needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. Everything for the job comes with us, so a second trip is avoided where possible.
- We start by walking round the building and agreeing the joints and the access.
- We cut out the old mastic and rake out anything in the joint.
- Joint faces are cleaned back and primed if the sealant needs it.
- Backing rod sized to the joint goes in to set the depth.
- The exterior sealant is applied, tooled and checked along its length.
Preparing for the visit
- Move anything stored near the joints
- Tell us about any previous sealing or DIY attempts
- Let us know about stairs, lifts or work at height
Ask for a quote
We quote each job on its own. Just ring 0345 464 0079 or send us an email with the details, and pictures are welcome.
Related advice
What we are called out for in Westerton
Sunlight, wet weather and frost wear exterior sealant down. In time it goes hard, crazes on the surface and stops stretching, so the next time the wall moves, it splits or pulls away.
Signs it’s time to call us include:
- Old sealant gone brittle and cracked
- Rigid filler in a joint that should flex
- Moss and dirt in joints with no sealant left
- Cracked joints where brick meets render or frames
Rented homes near Chichester station change hands often, and failed wall and movement joints let damp in, so they’re worth checking between tenancies.
Before you book anyone
- Who turns up on the day
- The length of the guarantee
- What the quote includes, VAT included or not
- How the colour is chosen
Also near Westerton
Other services in Westerton
Why deal with it now?
Done well, a resealed joint is a neat, straight line that suits the wall. A hurried job with smeared edges and no backing looks worse and fails sooner so it’s worth doing right. In a small place like Westerton, homes can be exposed to wind and rain, which finds any gap, and damp in older walls is slow to dry out.
There are no prices on our website, because the cost depends so much on the job itself. For a quick quote, please ring 0345 464 0079 or drop us an email and we’ll talk you through it.
What you get with us
- Anti-fungal sanitary silicone in wet areas
- 4.9 on Google from 180+ five-star reviews
- Homes, businesses and hotels
- 20+ years of sealant experience
FAQs for Westerton
Is Westerton within the area you cover?
Yes, Westerton is covered. We work across London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
I let a flat near Chichester station. Can you help?
Yes, we work for landlords and letting agents. Just call 0345 464 0079 or drop us an email and tell us about the property, and we will give you a clear price.
Are you an approved applicator?
Yes. We’re ARBOMaster approved, the scheme for applicators of Arbo sealants.
Do you do commercial work?
Yes. We work in offices, washrooms, hotels and other commercial premises, as well as homes. Working times can be discussed when we quote.
Can you do several jobs on one visit?
Yes. Several rooms, windows or areas can go on one quote.
Will the old sealant be removed?
Always. Sealing over the old bead is the commonest cause of early failure, so we never do it.
Do I have to be there?
It depends on the job. Inside work needs someone to give us access, while outside work can sometimes be arranged differently.
When is the sealant fully cured?
It depends on the product. We tell you how long to leave it before we go.
What the job involves on each surface
Joints between dissimilar materials
Where a frame or panel meets masonry, water often finds a way in. The old joint is removed and a sealant that bonds to both sides goes in.
Cladding and façade panels
Where a cladding system has its own specified sealant, we follow it or an approved alternative. Tell us what the building has when you get in touch.