Oxfordshire · England
Emmington External Mastic
Sealing brickwork movement joints, render, cladding and façade joints for Emmington, backed by a one-year guarantee. Ask us for a quote.
- Movement joints filled with mortar instead of sealant
- Water getting into walls through failed joints
- Sealant pulling away from one side of the joint
Outside joints around Emmington
Historic houses like Adwell House (about 3 miles south-west) are a reminder that the area around Emmington 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. Rainfall in the South East is lower than in much 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 Princes Risborough station, outside joints that have cracked can let damp into a rental, so check them between lets. In the older streets around Church of St Nicholas, older walls, gutters and the joints where extensions meet them need a flexible sealant. Managing a site like Mill Lane Community Primary School? Then its movement joints, gutters and trims need looking after like any other building’s.
Emmington is about 3 miles south-east of Thame, in Oxfordshire. Every kind of property in Emmington is covered for external mastic. Every job comes with our one-year guarantee. Our area takes in 443 places across Oxfordshire. There’s also a page for Oxford, about 13 miles away.
Work in OX39 works the same way as everywhere else we cover. We also cover Sydenham (1 mile south-west), Kingston Stert (1 mile south-west), Chinnor (1 mile south-east), Towersey (2 miles north) and Thame (3 miles north-west). Within a short drive, we also cover Oxford (13 miles west), Didcot (15 miles south-west), Abingdon-on-Thames (15 miles west), Henley-on-Thames (13 miles south), Benson (10 miles south-west) and Headington Quarry (12 miles west).
Around Emmington
Locally, jobs take us to homes and businesses close to The Inn at Emmington and the streets around them. For rail, the closest station is Princes Risborough station, about 3.8 miles east of the centre. A little further out are Thame Museum (3.1 miles north-west) and Thame Community Hospital (2.6 miles north-west). Green spaces nearby include Bald Hill and Oakley Hill nature reserve.
External mastic for homes and businesses in Emmington
Many failed façade joints only get noticed once there’s a stain or a damp patch inside. We inspect them, agree which need doing and reseal with a weatherproof, flexible sealant in a matching colour. If you are dealing with plants rooting in failed movement joints and leaking joints around cladding and façade panels, we can put it right, on joints between brick and frames, copings & trims and render & cladding joints alike.
Outside joints can only be sealed when they’re dry, so work in Emmington is booked around the forecast. Tell us about access to all sides of the building, including outbuildings and garages.
Our work is backed for twelve months, and the guarantee is the same wherever you are.
- Location
- Emmington (OX39)
- Wider area
- Oxfordshire
- Cover
- A year, on every job
- Price
- A clear quote up front
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026

What else we do in Emmington
Aftercare tips
Simple care keeps the joints in good condition. We recommend:
- Deal with leaking gutters that soak the joints below
- Act on the first splits you see
- Clear growth from the base of walls and joints
- Ask before painting over external sealant
Look over the joints once a year, ideally after winter. Splits, gaps at the edges or plants in the joint are early warning signs.
Water getting behind cladding or render can go unnoticed for a long time. By the time there’s a damp patch, the damage can be well established, so it’s worth resealing at the first signs.
Honest limits
In fairness, there are a few things sealant won’t fix:
- Cracked brickwork or render that needs a builder or plasterer
- Damp from another source, such as a leaking gutter or a bridged damp-proof course
- Walls that need new movement joints cut into them
If in doubt, ring 0345 464 0079 or send us an email and we will say what we think before booking.
What we seal
- Copings & trims
- Concrete & block
- Joints between brick and frames
- Render & cladding joints
- Façade panels
- Brickwork movement joints
What happens on the day
Once we are on site, we compare the joints with what we discussed. If anything is different, we explain it before carrying on. After that, the work takes a few hours for a handful of joints, longer for a whole elevation. Somewhere as small as Emmington, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- First, the joints are inspected and the access agreed.
- We cut out the old mastic and rake out anything in the joint.
- Joint faces are cleaned back and primed if the sealant needs it.
- Backing rod sized to the joint goes in to set the depth.
- The exterior sealant is applied, tooled and checked along its length.
Getting ready for the visit
- Mention any sign-in or site rules at work premises
- Keep children and pets away from the work area
- Tell us about any water getting in
Get a quote
Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we will talk you through what we’d do. When it suits you, phone 0345 464 0079 or send us an email.
Read more
Common questions in Emmington
Do you cover smaller places like Emmington?
Yes, smaller places are covered as well as towns. We work across London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Can you do external mastic in Emmington?
Yes. We work across London and the South East, and Emmington is part of that. You can phone 0345 464 0079 or drop us an email and tell us what needs doing.
Is it OK to seal over old sealant?
No, it won’t last. It may look fine at first, but the new bead soon lifts. Removing the old sealant completely is the only lasting way.
Which products do you use?
Each joint gets the product that suits it. Movement, water and weather all affect the choice.
Can you work on commercial sites?
Yes. Hotels, offices and other businesses use us, and we are fully insured.
Do you use backing rod?
Closed-cell backing rod sets the depth of the sealant and stops it sticking to the back of the joint. That way it bonds to the two sides only and can stretch.
Where are you based?
Mr Mastic is based in Crawley. We cover Emmington and the rest of Oxfordshire, along with the rest of our area.
Is it worth trying it myself?
For a simple, easy-to-reach joint, a careful DIYer can do a reasonable job. Most DIY failures come from sealing over old material, wet joints or too much sealant.
Different surfaces, different methods
Render joints
The face of render can be soft, so a low-modulus sealant is kinder to the joint edges. Priming is done where the sealant calls for it.
Joints between dissimilar materials
Different materials may need different primers. Both surfaces are cleaned and primed as the product requires.
Quotes for external mastic in Emmington
For a quick quote, just ask. What matters most is:
- The number and length of the joints
- How many rooms, windows or areas are involved
- The product the joint needs
- The old material and how stubborn it is
Doing several joints on one visit usually makes better use of the time than several visits. You will get one clear quote for the whole job.
Asking for a quote
When you call or email, it’s useful to know:
- Any previous sealing or DIY work
- What the problem is, such as mould, gaps, leaks or cracking
- How we’d reach the joints
- A few pictures by email, if you can
There’s no standard price list, because every job is different. Instead, we send you a clear quote for your job. To get started, phone 0345 464 0079 or send us an email.
Landlord and commercial work in Emmington
A neglected joint can let water reach the structure, which matters even more when someone else lives there. Resealing at the right time is simple maintenance that we can handle for you.
Whether it’s one flat or a portfolio, you get the same standard of work: old sealant fully removed, joints prepared properly and a one-year guarantee.
Why act early in Emmington
It often makes sense to reseal all the failing joints on an elevation together. Joints of the same age tend to fail together, and access only has to be arranged once. Where a wall is exposed, as many are in small places like Emmington, wind-driven rain gets into any failed joint, and damp in older walls is slow to dry out.
A failed joint rarely gets cheaper to fix by waiting, because water and mould keep working on it. If you are not sure whether it needs doing, phone 0345 464 0079 or email us and we’ll give you an honest view and a quote.
Why us?
- Neat joints and a tidy finish
- A choice of colours where the product allows
- Anti-fungal sanitary silicone in wet areas
- Colour picked to suit the job
Read what affects the cost and what customers say.
