Oxfordshire · England
Fewcott External Mastic
External mastic for Fewcott, by sealant specialists with 20+ years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Joints pointed up with cement by mistake
- Brick movement joints where the sealant has split
- Sealant that has lost its bond to the brick or render
External mastic for homes and businesses in Fewcott
We’re ARBOMaster approved applicators, and each external joint gets a sealant suited to it. Some surfaces need a primer before sealing and we use one wherever it does. We work on joints between brick and frames, brickwork movement joints and render & cladding joints, and the jobs we see most are moss and dirt in joints with no sealant left and brick movement joints where the sealant has split.
Outside joints can only be sealed when they’re dry, so work in Fewcott is booked around the forecast. Let us know about access to every wall, plus any garages or outbuildings.
Every job comes with a one-year guarantee.
- Place
- Fewcott (OX27)
- Wider area
- Oxfordshire
- Cover
- 12 months on all our work
- Price
- A clear price before any work starts
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
How to look after the new joints
Once the sealant has cured, a few habits help it last:
- Clear growth from the base of walls and joints
- Never let anyone fill a movement joint with mortar
- Tell anyone working on the walls about the movement joints
- Deal with leaking gutters that soak the joints below
Avoid pressure-washing straight into the joints. High-pressure water can lift the edges and let water in behind.
Act while the splits are small. At that stage it’s a simple cut out and reseal before water has had years to get in.
What happens on the day
The work is kept neat and contained to the area we’re working on. The job normally takes a few hours for a handful of joints, longer for a whole elevation. For a village or hamlet like Fewcott, the journey is planned in advance: tell us about narrow lanes, gates, long drives and where we can park. We bring what the job needs, so it can be finished in one trip where possible.
- We inspect the joints and agree which need resealing and how they’ll be reached.
- Old sealant and any debris are cut and raked out.
- The joint faces are cleaned and primed where the sealant needs it.
- Backing rod goes in next, setting the depth and keeping the sealant off the back of the joint.
- A flexible exterior sealant is applied and tooled in a colour to suit the wall.
Preparing for the visit
- For indoor joints, keep the area dry beforehand if you can
- Let us know about earlier repairs to the joints
- Clear the area around the work
Ask for a quote
Asking for a quote is easy: let us know the job and the location. Photos by email help us understand the job, and we’ll come back to you with a quote.
Read more
What affects the quote in Fewcott
Call for a quick quote. What matters most is:
- Any working-time requirements on site
- The number of rooms or windows
- Whether the work is at height
- The old material and how stubborn it is
We do not show prices on the website, because each job is priced on what it involves. Call for a quick quote and we’ll talk you through it.
Helping us quote
Before you ask for a quote, have a think about:
- Any previous sealing or DIY work
- Roughly how big the job is
- Any access issues, like height or stairs
- The problem you’ve noticed
Need a quote? Please ring 0345 464 0079 or drop us an email with a few details. We’ll explain what we’d do and send you a clear quote before we start.
Why deal with it now?
Mortar or ordinary filler might look like a quick way to close an open joint, but it stops the joint moving. The wall then cracks somewhere else. The correct repair is a flexible sealant with the right backing. Older cottages and farmhouses around Fewcott can have timber floors and frames, and water through a failed joint can rot timber if it’s left.
A failed joint rarely gets cheaper to fix by waiting. If you’re unsure, ring 0345 464 0079 or drop us an email for an honest opinion and a quote.
Why us?
- Arbo and Everbuild products
- Domestic, commercial and hotel work
- Sanitary silicone with an anti-fungal additive in wet areas
- Approved under the ARBOMaster scheme
Different surfaces, different methods
Joints between dissimilar materials
Different materials may need different primers. We prepare both faces so the sealant bonds properly.
Render joints
Water behind render can lead to blown patches. A sound joint keeps the render dry behind and helps it last.
Towns and villages near Fewcott
What else we do in Fewcott
Common questions in Fewcott
Do you cover Fewcott for external mastic?
Yes. Our work covers London and the South East, and Fewcott is part of that. Just ring 0345 464 0079 or drop us an email with a few details of the job, and we’ll give you a clear price.
I let a flat near Bicester North station. Can you help?
Yes, rental work is part of what we do. You can call 0345 464 0079 or drop us an email with the address and a few details, and we’ll give you a fixed price before any work starts.
How much does external mastic cost in Fewcott?
It depends on the job, so we quote each one individually. To get one, call 0345 464 0079 or email us with a short description of the job.
Is it messy?
Very little: the area around the joints is protected first, and we clear up the old sealant and our materials before we leave.
How long before the joint can be used?
Cure times vary by product and the temperature. Before we leave, we’ll tell you the cure time.
Are you fully insured?
Yes. We are fully insured, with over 20 years’ experience in sealant work.
Is it worth trying it myself?
It depends on the job. High-level, external movement and fire-rated joints are professional jobs.
Can you reach joints on upper floors?
That depends on the building and the joints. Where joints can be reached safely, we’ll do them. Give us some details and we’ll confirm the access.
Do you need external mastic in Fewcott?
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.
The problems people usually mention when they call include:
- Sealant pulling away from one side of the joint
- Gaps where render, brick and frames meet
- Brick movement joints where the sealant has split
- Weathered mastic that no longer stretches
Letting a property close to Bicester North station? Then failed wall and movement joints let damp in, so they’re worth checking between tenancies.
What your quote should include
- Whether all the old sealant comes out first
- How much experience the applicator has
- How hidden problems are handled
- How the colour is chosen
For landlords and businesses
We work for landlords and letting agents as well as homeowners. Resealing between tenancies is a simple way to keep a property in good order before the next move-in.
From a single let to a portfolio, you get the same standard of work: the old material taken out, careful preparation and a 12-month guarantee.
What external mastic looks like in Fewcott
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.
In the older streets around Church of St Mary, old and new materials meet at the roofline and walls, which is where sealant earns its keep.
Fewcott is about 4 miles north-west of Bicester, in Oxfordshire. We provide external mastic to homeowners, landlords and businesses in Fewcott and the surrounding area. Our Oxfordshire coverage runs to 443 places, Fewcott among them. There’s also a page for Oxford, about 13 miles away.
All of OX27 is within our area for external mastic. If you need external mastic at a property on Water Lane, Somerton Road and Ardley Road or anywhere close by, we can help. Neighbouring places we cover for external mastic include Ardley (1 mile south-east), Fritwell (1 mile north-west), Upper Heyford (2 miles south-west), Souldern (3 miles north-west) and Middleton Stoney (3 miles south). We also work in nearby towns such as Oxford (13 miles south), Banbury (10 miles north-west), Bicester (4 miles south-east), Kidlington (9 miles south), Headington Quarry (13 miles south) and Bure Park (3 miles south-east).
Near you in Fewcott
We work in homes and buildings around White Lion pub and the streets around them. The nearest railway station is Bicester North station, about 4 miles south-east. A little further out are Bicester Community Hospital (4.2 miles south-east) and Ardley Castle (less than half a mile south).