Oxfordshire · England
External & façade joints in Kidlington, Oxfordshire
External mastic in Kidlington from a team with over 20 years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- Cracked joints where brick meets render or frames
- Rain getting behind render or cladding at a joint
- Joints pointed up with cement by mistake
Common problems we fix in Kidlington
A lot of failed joints come down to preparation: joint faces that were dusty or damp, unprimed where they needed it, or still carrying old sealant. The sealant never bonds properly.
Most people get in touch when they notice something like this:
- Failed sealant between panels on a façade
- Sealant that has lost its bond to the brick or render
- Failed seals between different materials
- Joints with sealant missing in places
If you live in an older home near Church of St Mary, older walls, gutters and the joints where extensions meet them need a flexible sealant.
What your quote should include
- What guarantee comes with the work
- What insurance they hold
- What happens if the job turns out different
- How the joint is cleaned and prepared
External mastic for homes and businesses in Kidlington
External mastic is a job where short cuts show quickly. Overfilled joints, missing backing rod and sealant laid over old sealant all tend to fail early. We take the old material out and do it properly. We’re often asked to deal with hard, crazed mastic that has stopped moving and plants rooting in failed movement joints, on concrete & block, façade panels and copings & trims.
In a smaller place like Kidlington, some homes face open ground, and walls and rooflines facing the weather take the worst of it. That is where gutter joints and wall joints tend to fail first.
Every job is covered by a one-year guarantee, wherever you are in Oxfordshire.
- Location
- Kidlington (OX5)
- Wider area
- Oxfordshire
- Guarantee
- 12 months on all our work
- Quote
- A clear quote up front
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Questions from Kidlington
Do you cover smaller places like Kidlington?
Yes, we do. 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.
Do you cover Kidlington for external mastic?
Yes, Kidlington is within the area we cover. We work across London and the South East. Just phone 0345 464 0079 or email us with a few details of the job.
I’m a tenant. Can you help?
We are happy to deal with the tenant, landlord or agent. Get your landlord’s agreement first.
What should I tell you?
Only a few details: the address or postcode, what’s wrong and any access issues. After that, simply ring 0345 464 0079 or drop us an email.
Can you seal joints between two different materials?
Yes. We cut out the old sealant, prepare both faces and reseal with a flexible exterior product. We pick a colour that works with both materials.
Which products do you use?
It depends on the joint: anti-fungal sanitary silicone in wet areas, and other sealants where joints move or face the weather. Brands we use include Arbo and Everbuild.
Do you have insurance?
Yes. We’re fully insured for domestic and commercial work.
Do you remove the old sealant?
Yes. All of the old material is cut out and the joint cleaned before resealing.
How the job changes by surface
Cladding and façade panels
Metal and composite panels move a lot with temperature, so the joints work hard every day. We choose the product to suit.
Joints between dissimilar materials
Brick against render, concrete against metal, stone against timber: every change of material is a joint. A flexible sealant bridges the two.
What external mastic looks like in Kidlington
Historic houses like Blenheim Palace (about 3.5 miles north-west) are a reminder that the area around Kidlington has older buildings as well as new. Where a home is older, 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, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
If you let a flat or house near Oxford Parkway station, failed wall and movement joints let damp in, so they’re worth checking between tenancies. Managing a site like St Thomas More Catholic Primary School? Then movement joints, cladding joints and gutters on larger buildings need the same care as a house’s.
Kidlington is about 5 miles north-west of Oxford, in Oxfordshire. Whether you’re in the middle of Kidlington or further out, external mastic is available for homes and businesses alike. Across Oxfordshire, we cover 443 places, Kidlington among them.
Work in OX5 works the same way as everywhere else we cover. You will find streets such as High Street, Sterling Road and Exeter Road, and we cover them all. With the A4260 close by, Kidlington is simple for us to get to. Other places close to Kidlington include Gosford (1 mile south-east), Hampton Poyle (1 mile north-east), Islip (2 miles east), Bletchingdon (2 miles north) and Enslow (3 miles north). Further out, we also cover Oxford (5 miles south-east), Didcot (15 miles south), Bicester (8 miles north-east), Abingdon-on-Thames (10 miles south), Witney (9 miles west) and Carterton (14 miles west).
What’s near Kidlington
Around Kidlington, our work takes us to homes and buildings near Gosford Hill School and Red Lion pub, among other places. For rail, the closest station is Oxford Parkway station, roughly 1.3 miles south. Well-known places in the area include Oxford Castle (4.9 miles south) and Acland Hospital (4.3 miles south). Open spaces near Kidlington include Hook Meadow and The Trap Grounds.
Aftercare tips
How long the joints last depends on use and care. We suggest:
- Act on the first splits you see
- Keep water from gutters off the wall
- Look over the joints every year, ideally after winter
- Keep high-pressure jets off the joints
If you have more work done on the wall, such as new render, cladding or an opening, show the contractor the movement joints. They should be kept open and resealed, not filled.
Act while the splits are small. Then it’s a straightforward cut-out and reseal before water has had years to get in.
Places near Kidlington
Other services in Kidlington
For landlords and businesses
Hotels need rooms back in use, so the work can be planned room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.
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.
How it works
A visit follows a simple pattern: we look at the joints together, mask and protect the surrounding surfaces, carry out the job and clear up. It generally takes anything from a few hours to several days, depending on the building. For a job in Kidlington, we agree the time, the access and parking before the day. If the work is outside, the weather plays a part, as sealant needs a dry surface.
- First we look over the joints with you, agree which to renew and talk through access.
- The old mastic and anything lodged in the joint is removed.
- The joint faces are cleaned and primed where the sealant needs it.
- Closed-cell backing rod is fitted to set the depth and stop three-sided bonding.
- We gun in a flexible exterior sealant in a colour that suits the wall and tool it neatly.
Preparing for the visit
- Let us know about stairs, lifts or work at height
- Let us know if you’ve seen damp or leaks
- Move anything stored near the joints
Getting a quote
To get a quote, ring 0345 464 0079 or send us an email and tell us where the job is and what the problem looks like. We will send you a clear quote before any work starts.
Advice
What we can’t put right
A few problems are outside what sealant work can do:
- Failed render or damaged cladding panels
- Cracks in the bricks or render themselves, away from the joints
- Rising or penetrating damp from elsewhere in the wall
Not sure which it is? You can ring 0345 464 0079 or drop us an email and we will tell you honestly.
What we seal
- Render & cladding joints
- Façade panels
- Joints between brick and frames
- Copings & trims
- Concrete & block
- Brickwork movement joints
Why deal with it now?
The longer a joint stays open, the more water the wall takes in. Wet masonry is more easily damaged by frost around the joint, so the damage spreads beyond the joint. In an older home around Kidlington, damp from a failed joint can get into timber and plaster, and that’s a much bigger job than renewing the sealant.
Doing several joints on one visit generally makes better use of the time than several visits. You will get one clear quote for the whole job.
Why Kidlington customers choose us
- ARBOMaster approved applicator
- More than 20 years in sealant work
- Colour picked to suit the job
- One-year guarantee on every job
Read how sealant jobs are priced and customer reviews.