Surrey · England
Oxshott External Mastic
Sealing brickwork movement joints, render, cladding and façade joints for homes and businesses in Oxshott and across Surrey. Fully insured, ARBOMaster approved and guaranteed for a year.
- Panel joints letting water in
- Cracked joints where brick meets render or frames
- Movement joints with cracked, split or missing sealant
For landlords and businesses
We also work for businesses, from offices to washrooms and kitchens. For commercial premises, we can talk through working times when we quote.
Water getting past a failed joint can damage the building, which is a bigger problem in a rented property. Resealing at the right time is simple maintenance that we can handle for you.
External mastic for homes and businesses in Oxshott
A movement joint is only as good as its depth. Backing rod controls how deep the sealant goes and keeps it off the back of the joint, leaving it bonded to two faces so it can move with the wall. Typical jobs include damp patches traced to an open external joint and leaking joints around cladding and façade panels, on copings & trims, brickwork movement joints and concrete & block.
Around Oxshott, garages, outbuildings and extensions all add to the joints on the outside of a home. Gutter ends, garage door frames and the joints where an extension meets the house are typical spots for leaks.
The work is covered for a year after we finish. If anything is not right with it, call 0345 464 0079 or drop us an email.
- Location
- Oxshott (KT22, KT11, KT10)
- Region
- Surrey
- Guarantee
- 12 months on all our work
- Price
- A clear quote up front
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Can I do it myself?
Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
If you are 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.
What external mastic looks like in Oxshott
Compared with the north and west, the South East gets less rain, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day. Historic houses like The Homewood (about 1.8 miles north-west) are a reminder that the area around Oxshott has older buildings as well as new. In older buildings, older brick and stone need a sealant that suits them, at the right joint depth.
Rented homes near Oxshott station change hands often, and split movement joints are easy to miss on a rental until damp shows inside. Schools such as The Royal Kent CofE Primary School are buildings too, and its movement joints, gutters and trims need looking after like any other building’s.
Oxshott is about 3 miles north-west of Leatherhead, in Surrey. For external mastic in and around Oxshott, it’s easy to get a quote: please phone 0345 464 0079 or drop us an email. We’re based in Crawley and cover Surrey. Oxshott is one of 395 places in Surrey we cover. For nearby work, see our London page, about 16 miles away.
All of KT22, KT11 and KT10 is covered for external mastic. Whether your property is on High Street, Oakshade Road and Silverdale Avenue or a nearby road, we can help. Nearby, we also carry out external mastic in Pachesham Park (1 mile south-east), Stoke D'Abernon (1 mile south-west), Malden Rushett (2 miles east), Cobham (2 miles west) and Claygate (2 miles north-east). Further out, we also cover Guildford (11 miles south-west), Woking (9 miles west), Epsom (4 miles east), Horley (13 miles south-east), Redhill (10 miles south-east) and Ewell (5 miles east).
Around Oxshott
Locally, jobs take us to homes and businesses close to Therfield School, Danes Hill School and Claygate Common and the streets around them. There’s a railway station in Oxshott itself: Oxshott station. Well-known places in the area include Elmbridge Museum (2.6 miles north) and The Ashley Centre (3.8 miles east). The countryside around Oxshott includes Jubilee Wood and Claremont Lake.
Places near Oxshott
What else we do in Oxshott
How it works
There is not much for you to do on the day. Point us to the joints and we will get on with it. The work itself takes a few hours for a handful of joints, longer for a whole elevation from start to finish. In a smaller place like Oxshott, 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.
- 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.
- The faces are brushed clean and primed where the product requires it.
- Backing rod sized to the joint goes in to set the depth.
- We apply the sealant, tool it and check the whole run.
How to prepare
- Let us know if you’ve seen damp or leaks
- Keep children and pets away from the work area
- Tell us about access, such as stairs, a lift or high-level joints
How to get a quote
Getting a quote is simple: let us know what needs doing and where. A few pictures by email make the job easier to understand, and we will come back to you with a quote.
Related advice
Why deal with it now?
Water gets in through a failed movement joint and can run behind render or cladding. Resealing early keeps the job to the joint itself, instead of the wall and finishes around it. Around Oxshott, water from a failed joint in an older home can soak into timber and plaster, which is far harder to put right than the sealant itself.
The cost reflects the work involved, not guesswork. That’s why we ask a few questions first and give you a clear quote before work begins.
Why Oxshott clients choose us
- Trusted Arbo and Everbuild sealants
- 180+ five-star Google reviews
- We are fully insured
- Neat joints and a tidy finish
Take a look at how sealant jobs are priced and what customers say.
Do you need external mastic in Oxshott?
Every building moves. Brickwork grows a little over the years, blockwork and concrete shrink, and all of it moves with heat and moisture. The sealant in the movement joints takes that strain.
These are the problems we’re asked about most:
- Panel joints letting water in
- Old sealant gone brittle and cracked
- Brick movement joints where the sealant has split
- Movement joints filled with mortar instead of sealant
For an older house near a landmark such as St Andrew's Church, old and new materials meet at the roofline and walls, which is where sealant earns its keep.
What to look for in a quote
- Who does the work, and how experienced they are
- Which sealant they’ll use, and why
- How long to leave it before use
- Whether they seal over old material or remove it
What affects the quote in Oxshott
Call for a quick quote. The main things that affect it are:
- The old material and how stubborn it is
- The product the joint needs
- Mould in or behind the old joints
- How many rooms, windows or areas are involved
What it costs depends on the size of the job, how much old material has to come out and access to the work. We give a clear quote before any work starts, so you know where you stand.
Helping us quote
What to tell us when you ask for a quote:
- A few pictures by email, if you can
- Access, such as stairs, a lift or height
- If someone has resealed it before
- What the problem is, such as mould, gaps, leaks or cracking
A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints, and add photos by email if you can.
Honest limits
Some problems need a builder, plumber or other trade rather than us:
- Subsidence or other structural problems
- Cracked brickwork or render that needs a builder or plasterer
- Rising or penetrating damp from elsewhere in the wall
If in doubt, phone 0345 464 0079 or send us an email and we’ll say what we think before you book.
Where we work in Oxshott
- Brickwork movement joints
- Copings & trims
- Joints between brick and frames
- Render & cladding joints
- Façade panels
- Concrete & block
FAQs for Oxshott
Can you help a landlord with a rental near Oxshott station?
Yes, we work for landlords and letting agents. Just phone 0345 464 0079 or drop us an email and tell us about the property, and we’ll give you a clear quote.
Will you come out to Oxshott?
Yes, we do. We work across London and the South East, and smaller places are part of that. Longer journeys are simply planned in advance.
What do you need from me for a quote?
Tell us what needs doing and where, with pictures by email if possible. We will ask anything else we need to know.
Do you have insurance?
Yes. Full insurance covers our work, and we can confirm the details when we quote.
Can you match the colour of my brickwork?
The aim is a neat, even joint in a colour that suits the wall. We’ll talk through colour options before we start.
What’s an expansion joint in brickwork?
Walls move with heat, cold and moisture, and planned joints take up that movement. The gap is sealed with a flexible sealant over backing rod.
Should I point up the gap in my brickwork?
No. A mortar-filled joint cannot move, so the movement cracks the wall elsewhere. Use a flexible sealant with backing rod.
When will the joints need doing again?
It varies with how exposed the wall is and how much the joint moves. Signs to watch for are cracking, hardening and gaps at the edges, and reseal at that point.