Surrey · England
External & façade joints in Walton on the Hill, Surrey
Our applicators work in Walton on the Hill on sealing brickwork movement joints, render, cladding and façade joints. Old sealant removed completely, joints prepared properly and every job guaranteed for a year.
- Leaking joints around cladding and façade panels
- Rain getting behind render or cladding at a joint
- Hard, crazed mastic that has stopped moving
About our external mastic in Walton on the Hill
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. We’re often asked to deal with leaking joints around cladding and façade panels and weathered mastic that no longer stretches, across joints between brick and frames, façade panels and render & cladding joints.
Outside joints can only be sealed when they’re dry, so work in Walton on the Hill is booked around the forecast. Let us know about access to every wall, plus any garages or outbuildings.
Each job carries a 12-month guarantee, large or small.
- Place
- Walton on the Hill (KT20)
- Wider area
- Surrey
- Guarantee
- A year, on every job
- Quote
- A clear quote up front
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
Why act early in Walton on the Hill
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. Older cottages and farmhouses around Walton on the Hill can have timber floors and frames, where water from a failed joint can cause rot if it’s left.
Leaving a failed joint usually makes the job bigger, not smaller, because water and mould keep working on it. If you are unsure, ring 0345 464 0079 or send us an email and we’ll give you an honest view and a quote.
Why Walton on the Hill customers choose us
- White, clear, grey or another colour, product permitting
- Quality sealants from Arbo and Everbuild
- A sealant colour to suit the surroundings
- More than 20 years in sealant work
See our cost guide and what customers say.
Also in Walton on the Hill
When to call us in Walton on the Hill
UV, rain and frost all age exterior sealant. Over the years it hardens, cracks on the surface and loses its give, so the joint eventually tears or comes away from one side.
Signs it’s time to call us include:
- Joints with sealant missing in places
- Leaking joints around cladding and façade panels
- Hard, crazed mastic that has stopped moving
- Moss and dirt in joints with no sealant left
Schools such as Walton-on-the-Hill Primary School are buildings too, and larger buildings have long runs of movement joint that eventually need resealing.
Before booking anyone
- How the joint is cleaned and prepared
- Whether they seal over old material or remove it
- Who turns up on the day
- Whether VAT is included
Aftercare tips
So the new joints stay in good condition:
- Make sure movement joints aren’t pointed over
- Check the sealant is paintable before painting near it
- Keep soil, plants and ivy away from the joints
- Get split or bare joints resealed while the damage is small
Follow the cure time we give you before the joint is knocked or disturbed. The surface skins over quickly, but full cure takes longer.
Act while the splits are small. At that stage it’s a simple cut out and reseal with no damage behind it to deal with.
Different surfaces, different methods
Cladding and façade panels
Panels heat up and cool down quickly, so the joint sealant has to cope with frequent movement. We choose the product to suit.
Copings and trims
Coping and trim joints face rain and sun head on. We reseal them with an exterior sealant suited to the material.
External mastic in Walton on the Hill: local notes
With historic houses such as Fitznells Manor (about 5 miles north) nearby, there’s older building stock in the area around Walton on the Hill as well as newer homes. Where a home is older, older brick and stone need a sealant that suits them, at the right joint depth. 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.
For landlords with property near Tadworth station, split movement joints are easy to miss on a rental until damp shows inside. For an older house near a landmark such as Church of St Peter, an extension built onto an older house moves differently, and the joint between them takes the strain.
Walton on the Hill is about 3 miles south-east of Ashtead, in Surrey. Whether you’re in the middle of Walton on the Hill or further out, external mastic is available for homes and businesses alike, from flats and houses to offices and hotels. We cover 395 towns and villages across Surrey, from the larger towns to small villages. There’s also a page for Crawley, roughly 12 miles from Walton on the Hill.
Every address in KT20 is covered for external mastic. Streets in the area include Nursery Road, Deans Lane and Meadow Walk, and we cover them all. You’ll find Walton on the Hill on the B2220, so it’s easy for us to get to. Other places close to Walton on the Hill include Tadworth (1 mile north-east), Lower Kingswood (1 mile east), Headley (2 miles west), Kingswood (2 miles north-east) and Mogador (2 miles south-east). Within a short drive, we also cover Guildford (14 miles west), Woking (14 miles west), Epsom (4 miles north), Horley (8 miles south-east), Redhill (4 miles south-east) and Ewell (5 miles north).
Near you in Walton on the Hill
We work in homes and buildings around Betchworth Quarry and Lime Kilns, Chinthurst School and The Bell pub. For rail, the closest station is Tadworth station, about 0.9 miles north-east of the centre. Nearby you will also find Reigate Castle (3.3 miles south-east) and Headley Court (1.6 miles north-west). For a walk, there’s Reigate Heath and Mercers Lake.
Should I try it myself first?
The biggest DIY mistake is sealing over old sealant. Silicone doesn’t stick to old silicone, so it peels away and traps moisture behind it. Everything old must be removed first.
What a professional job adds is preparation and the right product. Joints are cleaned back to sound surfaces and dried, and the sealant is chosen for how the joint moves and where it is, then guaranteed for a year.
How the visit works
Every visit runs the same way: we check the joints, protect the area around them, do the work and clear up. Most jobs take anything from a few hours to several days, depending on the building. Somewhere as small as Walton on the Hill, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- Each joint is checked and the colour of the new sealant agreed.
- Failed sealant is removed back to clean, sound faces.
- 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.
How to prepare
- Try not to wet indoor joints just before the visit
- Let us know about earlier repairs to the joints
- Let us know about stairs, lifts or work at height
How to get a quote
There’s no standard price list, because every job is different. Instead, we give you a clear price for your job. To arrange one, call 0345 464 0079 or drop us an email.
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Walton on the Hill questions
Do you cover smaller places like Walton on the Hill?
Yes. Walton on the Hill is within the area we cover, which takes in towns, villages and rural addresses. Our work covers London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Do you cover Walton on the Hill for external mastic?
Yes, Walton on the Hill is within the area we cover. Our work covers London and the South East. Just ring 0345 464 0079 or email us with a few details of the job.
Is the work guaranteed?
Yes. Every job comes with our 12-month guarantee.
Will the new joint stand out?
The sealant colour is picked to suit the wall. Exterior sealants come in a good range of colours.
How long does external mastic last?
It varies from wall to wall: joints on exposed walls or with a lot of movement age sooner. A yearly look will tell you when they need doing. Every job carries our one-year guarantee.
Can landlords and businesses book you?
Yes. We work for homeowners, landlords, letting agents, businesses and hotels across Surrey.
Do you take out the old sealant first?
Yes. All of the old material is cut out and the joint cleaned before applying anything new.
I’m a tenant. Can you help?
We can work for tenants, landlords or agents. Get your landlord’s agreement first.
Landlords, agents and businesses in Walton on the Hill
From a single let to a portfolio, you get the same standard of work: old sealant fully removed, joints prepared properly and a 12-month guarantee.
We also work for property managers and facilities teams. We can quote a run of properties together, and we are fully insured.