West Sussex · England
External & façade joints in Yapton, West Sussex
Specialist external mastic for Yapton: the right sealant, proper preparation and a neat finish. Call for a quick quote.
- Brick movement joints where the sealant has split
- Water getting into walls through failed joints
- Joints where the bead has come unstuck
What affects the quote in Yapton
Your quote is based on your job. We look at:
- The number of rooms or windows
- Which sealant suits the joint
- Whether old sealant or filler has to be cut out
- Any mould that needs treating
A few things move the cost up or down: the old material and how easily it comes out, any mould to treat, and whether the work is at height. We take all of that into account in your quote.
Helping us quote
You do not need to know the technical terms. Just tell us:
- How we’d reach the joints
- What’s wrong with the joints now
- How many joints, rooms or windows are involved
- Whether it’s a home or a business
For a quick quote, get us on the phone, or email us if that is easier. Describe what needs sealing and we’ll talk you through the work before giving you a price.
External mastic for homes and businesses in Yapton
Where two different materials meet, such as brick and render or blockwork and metal, they move at different rates. A flexible sealant bridges the two where a rigid filler would soon crack. If you have water getting into walls through failed joints and moss and dirt in joints with no sealant left, we can put it right, whatever the surface.
In and around Yapton, older properties sit alongside newer ones, each with its own outside joints. Older homes need their gutter and trim joints kept tight, newer ones their movement joints.
All our work is covered by a 12-month guarantee.
- Location
- Yapton (BN18)
- Wider area
- West Sussex
- Guarantee
- One year on every job
- Price
- Quoted before any work starts
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
Aftercare tips
To keep the joints looking good and working properly:
- Have failed joints looked at early
- Wash walls gently around the sealant
- Tell anyone working on the walls about the movement joints
- Clear growth from the base of walls and joints
Make sure anyone working on the wall later knows where the movement joints are. They must stay as flexible joints, never rendered or pointed over.
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, so it’s worth resealing at the first signs.
DIY versus a professional finish
If you’ve already had a go yourself, that is fine. We remove it and do the joint properly, so tell us about it when you ask for a quote.
What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is, then guaranteed for a year.
How the job changes by surface
Concrete and blockwork
Wide joints in concrete need the depth controlling carefully. Backing rod sized to the joint sets it so the sealant isn’t too deep.
Joints between dissimilar materials
Each side of the joint may need its own preparation. We prepare both faces so the sealant bonds properly.
Walls and rooflines in Yapton
Yapton is within about 2 miles of the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. That’s hard on movement joints and outside wall joints, especially on the side facing the sea. 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 Barnham station? Then outside joints that have cracked can let damp into a rental, so check them between lets. Managing a site like Yapton CE Primary School? Then movement joints, cladding joints and gutters on larger buildings need the same care as a house’s.
Yapton is about 4 miles north-east of Bognor Regis, in West Sussex. Yapton gets the same service as everywhere we cover: old sealant removed completely, careful preparation and a 12-month guarantee. Yapton is one of 371 places in West Sussex we cover. Portsmouth is on our list too, around 20 miles away.
Work in BN18 is quoted and booked the same way as anywhere else. We cover properties on Church Road, Dunnock Square and Charles Square and the roads around them. Yapton is on the B2132, which makes it straightforward to reach with everything needed for external mastic. Close by, we work in Bilsham (1 mile south), Barnham (1 mile north-west), Flansham (2 miles south-west), West Barnham (2 miles north-west) and Walberton (2 miles north). Further out, we also cover Worthing (9 miles east), Bognor Regis (4 miles south-west), Chichester (7 miles west), Selsey (10 miles south-west), Littlehampton (4 miles east) and Shoreham-by-Sea (15 miles east).
What’s near Yapton
Locally, jobs take us to homes and businesses close to St Philip Howard Catholic High School. The closest station to Yapton is Barnham station, roughly 1.5 miles north-west of the centre. A little further out are Bognor Regis Museum (3.9 miles south-west) and Arundel and District Hospital (3.2 miles north-east). For a walk, there’s WWT Arundel.
Leave it or put it right?
Sealing over the top of old mastic doesn’t hold for long. The new layer can’t bond properly to old, weathered material, so we always take the old sealant out. Homes in smaller places like Yapton can face more weather, and failed outside joints let damp into walls. Inside, a split seal lets water into floors and panels just as it would anywhere.
Commercial jobs are quoted on the same basis as homes: how much there is to do, how we reach it and what it needs, along with when we can work on site. Ask us for a quote and we will explain what it covers.
Why us?
- An ARBOMaster approved applicator
- Homes, businesses and hotels
- A sealant colour to suit the surroundings
- A choice of colours where the product allows
See our cost guide and customer reviews.
How it 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 a few hours to a few days, depending on the length of joint and the access. In a smaller place like Yapton, parking is seldom the issue; lanes, gates and long drives are worth mentioning. If the job is outside, tell us about side access and how high the joints are.
- Each joint is checked and the colour of the new sealant agreed.
- 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.
- A low-modulus exterior sealant is gunned in and tooled to a neat finish.
Getting ready for the visit
- Try not to wet indoor joints just before the visit
- Mention any leaks or damp you’ve noticed
- Mention any sign-in or site rules at work premises
Getting a quote
For a quote, ring 0345 464 0079 or drop us an email with the location and a short description of the problem. We’ll send you a clear quote before any work starts.
Advice
Honest limits
We’d rather tell you now than do work that won’t last, so here’s what sealant cannot put right:
- Structural movement, which needs a surveyor or engineer
- Damp from another source, such as a leaking gutter or a bridged damp-proof course
- Adding movement joints to masonry that has none
If you are not sure, just ring 0345 464 0079 or drop us an email and we’ll give you a straight answer before booking.
Where we work in Yapton
- Concrete & block
- Brickwork movement joints
- Joints between brick and frames
- Copings & trims
- Render & cladding joints
- Façade panels
Common questions in Yapton
Can you help a landlord with a rental near Barnham station?
Yes. We work for landlords and letting agents as well as householders, and several properties can go on one quote. You can call 0345 464 0079 or email us with the details for a clear quote.
Does the coastal weather in Yapton affect outside sealant?
Near the coast, wind-driven rain and, nearer the shore, salt air make outside sealant work harder. The right product, a clean joint and the right depth all help it cope.
When is the sealant fully cured?
Most sealants are touch-dry well before they’re fully cured. We’ll tell you how long to leave the joint.
Can I do it myself?
Some simple jobs can be done by a careful DIYer. The usual mistakes are sealing over old sealant, sealing a damp joint and using too much.
Do you work for hotels and businesses?
Yes. Commercial and hotel work is a large part of what we do. We can talk about working times when we quote.
Will it make a mess?
No. The area is protected while we work and cleaned up afterwards.
Are you insured?
Yes. We’re fully insured, and we have been doing sealant work for more than 20 years.
Is it OK to fill a movement joint with cement?
No. Mortar locks the joint solid, so the movement cracks the wall elsewhere. Use a flexible sealant with backing rod.