Oxfordshire · England
Window Mastic in Shippon
Our applicators work in Shippon on mastic around window and door frames, sills and patio doors. Old material cut out, joints cleaned and sealed neatly and every job guaranteed for a year.
- Leaking joints at the ends of sills
- Draughty joints inside around the window
- Mastic that is falling out in pieces
Questions from Shippon
I let a flat near Radley station. Can you help?
Yes. We work for letting agents and landlords as well as householders. You can call 0345 464 0079 or send us an email with the details for a clear quote.
Do you cover smaller places like Shippon?
Yes, Shippon is covered. Our work covers London and the South East, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.
Do you take out the old sealant first?
Yes. All of the old material is cut out and the joint cleaned.
Can you quote for more than one area?
Yes. Just list everything you need and we will quote it together.
Where is Mr Mastic based?
Our base is Crawley, with over 20 years’ experience. Our area covers South East England, London and Scotland.
Are you ARBOMaster approved?
Yes. We’re ARBOMaster approved, the scheme for applicators of Arbo sealants.
Do I need to be at home?
We need access to the joints, so we will agree that with you when we book. For inside work, that normally means someone being in.
Can you do upstairs windows?
Yes, as long as they can be reached safely. Let us know about access when you ask for a quote and we will plan for it.
Window mastic for homes and businesses in Shippon
Homes in Shippon have every kind of window: uPVC, aluminium, timber and composite, along with patio doors, French doors and sills. The sealant is chosen to suit the frame material and the wall. We work on timber windows & doors, patio & French doors and aluminium frames, and the jobs we see most are black, perished sealant on frames and rain getting in at the frame or under the sill.
Mastic can only go onto a dry, clean joint, so window work in Shippon is booked around the forecast. Tell us about access to every side of the house, including upper-floor windows.
The work is guaranteed for twelve months. If there’s a problem with our work within the year, let us know and we will sort it.
- Location
- Shippon (OX13)
- Region
- Oxfordshire
- Guarantee
- One year on every job
- Quotes
- A clear price before work begins
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
Landlord and commercial work in Shippon
If you manage several properties in or around Shippon, several properties can go on one quote. Just tell us the addresses and what each one needs.
Whether it’s one flat or a portfolio, you get the same standard of work: the old material taken out, careful preparation and a 12-month guarantee.
Nearby places to Shippon
Other services in Shippon
Why it’s worth doing now in Shippon
A cracked joint around a frame lets rain into the wall. Over time that can mean damp patches, damaged plaster and rotting timber. Resealing now is a small job by comparison. In a small place like Shippon, homes can be exposed to wind and rain, which finds any gap, and damp in older walls is slow to dry out.
Rather than a set price list, we look at what your job involves: the amount of work, the old material and the access. You will know the price before we begin.
Why Shippon clients choose us
- Over 20 years’ experience
- Any old sealant cut out fully, not covered over
- We agree the colour with you first
- Experience in homes, commercial sites and hotels
Read how sealant jobs are priced or our reviews.
What happens on the day
All our tools and materials come with us in the van. After a quick look at the joints together, we protect the area and start. It normally takes anything from an hour or two to a full day, depending on how many frames there are. For a village or hamlet like Shippon, the journey is planned in advance: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.
- We check how each frame can be reached safely.
- All the failed sealant is cut away.
- Frame and wall are cleaned and must be dry before sealing.
- Deep voids are backed, then the sealant is gunned in.
- We tool the joint so water runs off, then clear up.
How to prepare
- For indoor joints, keep the area dry beforehand if you can
- On commercial sites, let us know about site rules
- Keep pets and children clear of the area while we work
Ask for a quote
We do not publish a price list, because every job is different. Instead, we give you a clear quote for your job. To get started, phone 0345 464 0079 or send us an email.
Read more
Do you need window mastic in Shippon?
Timber windows bring their own problems. Mastic painted over many times cracks with the paint, and the wood moves with damp as well as heat.
The most common problems we see are:
- Cracked sealant at the sill ends
- Draughty joints inside around the window
- Rain getting in at the frame or under the sill
- Rushed sealant from a window installation
Schools such as Larkmead School are buildings too, and the mastic around its windows and doors needs looking after like any other building’s.
Questions to ask before booking
- What happens if the job turns out different
- What product goes in the joint
- What guarantee comes with the work
- What the quote includes, VAT included or not
What sealant work cannot fix
Sealant isn’t the answer to every problem, and we’ll tell you before work begins. Sealant will not put right:
- A frame that has rotted at the joint
- Damp problems in the wall away from the window
- Condensation trapped between the panes
If you are not sure, just ring 0345 464 0079 or email us and we’ll give you a straight answer.
Where we work in Shippon
- Window sills
- Aluminium frames
- uPVC windows
- Timber windows & doors
- Composite doors
- Patio & French doors
What affects the cost of window mastic
The price is agreed before any work begins. It’s based on:
- How many rooms, windows or areas are involved
- Access and height
- Whether there’s mould to deal with
- The product the joint needs
Leaving a failed joint normally makes the job bigger, not smaller, because water and mould keep working on it. If you’re not sure whether it needs doing, phone 0345 464 0079 or drop us an email and we will give you an honest view and a quote.
Helping us quote
There’s no need for technical detail. Just tell us:
- Where the job is, and your postcode
- The rough size of the job
- If it’s domestic, commercial or a hotel
- Photos by email, if that is easy
Quotes start with a quick conversation. Tell us what’s wrong, where it is and how much there is, and we will explain how we’d tackle it. Whenever you are ready, phone 0345 464 0079 or email us.
What window mastic looks like in Shippon
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. Historic houses like Appleton Manor (about 3.1 miles north-west) are a reminder that the area around Shippon has older buildings as well as new. Where a home is older, older frames set in brick or stone need a sealant that suits them, and sometimes that’s traditional sand mastic.
Letting a property close to Radley station? Then sound mastic around windows and doors keeps out the draughts and damp that tenants notice first. For an older house near a landmark such as Church of St Mary Magdalene, the joint between an old wall and a newer frame is usually the first place rain gets in.
Shippon is about 1 mile west of Abingdon-on-Thames, in Oxfordshire. Jobs in Shippon get the same care as everywhere else we work: old sealant removed completely, careful preparation and a one-year guarantee. Our Oxfordshire coverage runs to 443 places, and Shippon is one of them. Oxford is on our list too, about 6 miles from Shippon.
We cover every part of OX13 for window mastic and the streets around it. We cover properties on Chestnut Tree Close, Willow Tree Close and Whitehouse Close. Close by, we work in Cothill (1 mile north-west), Dry Sandford (2 miles north-west), Marcham (2 miles south-west), Sutton Wick (2 miles south) and Frilford Heath (2 miles west). Further out, we also cover Oxford (6 miles north-east), Didcot (6 miles south-east), Witney (11 miles north-west), Carterton (14 miles north-west), Thame (15 miles east) and Wantage (8 miles south-west).
Landmarks near Shippon
Around Shippon, our work takes us to homes and buildings near St Nicolas Church of England Primary School, Prince Of Wales pub and Albert Park and the streets around them. For rail, the closest station is Radley station, about 2.8 miles east. Well-known places in the area include Abingdon Community Hospital (0.8 miles south) and FitzHarris Castle (1 mile south-east). For a walk, there’s Cumnor Hill and Dry Sandford Pit.
Keeping the joints in good condition
Aftercare is simple, and it makes a real difference:
- Ventilate rooms so frames don’t stay wet inside
- Keep solvents and bleach off the sealant
- Don’t paint over the silicone
- Repaint timber before it’s bare
Check the drainage slots in the frames aren’t blocked, so water can run away instead of sitting against the joint.
On timber windows, water behind the joint can lead to rot. Once wood has rotted, it needs repair before it can be sealed, so early resealing is worth it.