Kent · England
Sevington Window Mastic
Window mastic in Sevington from a team with over 20 years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- Water coming in at the bottom corners of a door
- Black, perished sealant on frames
- Cracked internal joints between frame and plaster
Honest limits
Sealant isn’t the answer to every problem, and we will tell you before work begins. Sealant won’t put right:
- Soft or decayed wood in the frame
- Worn gaskets, brush seals or a door that has dropped
- Misting between the panes of a double-glazed unit (that needs a new unit)
If you’re not sure, just phone 0345 464 0079 or email us and we will give you a straight answer before you book.
Joints and surfaces we work on
- Composite doors
- Window sills
- Patio & French doors
- Aluminium frames
- Timber windows & doors
- uPVC windows
Window mastic in Sevington, done properly
Some gaps around frames are far deeper than they look. Filling it with sealant alone leaves a joint that cannot move properly, so we fit backing rod to set the right depth. The sealant then grips the two sides it should. Typical jobs include a bead that doesn’t match the frame and leaking joints at the ends of sills, across patio & French doors, composite doors and timber windows & doors.
Somewhere as small as Sevington, older homes often have timber frames set in stone or brickwork. Older buildings like these do not always suit modern silicone, so the sealant has to be chosen to suit the building.
We stand behind the work with a 12-month guarantee, so you are covered after we have gone.
- Location
- Sevington (TN24, TN25)
- Region
- Kent
- Guarantee
- A year, on every job
- Quote
- Quoted before any work starts
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
Nearby places to Sevington
Other services in Sevington
Why deal with it now?
Failed mastic is not a reason to replace sound windows. Where the frames are sound, new mastic normally deals with draughts and leaks at the edges. If we find failed glass units or worn seals, we will tell you. Where a wall is exposed, as many are in small places like Sevington, wind-driven rain gets into any failed joint, and older walls, once damp, take a long time to dry.
Rather than a set price list, we look at what your job involves: the amount of work, the old material and the access. The price is agreed before we begin.
Why choose Mr Mastic in Sevington
- Approved under the ARBOMaster scheme
- White, clear, grey or coloured to suit, where the product allows
- 20+ years of sealant experience
- Colour picked to suit the job
Read what affects the cost or customer reviews.
What the job involves on each surface
Composite doors
Draughts round the door leaf normally come from worn seals or adjustment, not the mastic. We seal the frame and let you know about anything else.
uPVC windows
We clean the frame edge carefully so the plastic isn’t marked, then the new bead is laid against the frame and the wall and tooled smooth.
What affects the quote in Sevington
We don’t publish a price list, because no two jobs are the same. The quote depends on:
- The amount of work
- Any mould that needs treating
- How easy the joints are to reach
- How many areas need sealing
What it costs depends on the size of the job, how much old material has to come out and how easy the joints are to reach. We give a clear quote before work begins.
Helping us quote
Photos help, but a description is a good start. Please mention:
- If it’s domestic, commercial or a hotel
- Where the property is
- Access, such as stairs, a lift or height
- How many joints, rooms or windows are involved
Every job is quoted individually, so start by telling us what you need. Just call 0345 464 0079 or email us with the details, and pictures are welcome.
Common questions in Sevington
I let a flat near Ashford International station. Can you help?
Yes, rental work is part of what we do. You can call 0345 464 0079 or email us with the address and a few details, and we will give you a fixed price before any work starts.
Will you come out to Sevington?
Yes, Sevington is covered. Our work covers London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
Which products do you use?
The product depends on the job: sanitary silicone where it gets wet, and sealants suited to movement or weather elsewhere. Brands we use include Arbo and Everbuild.
Can you seal the gap between the frame and the plaster indoors?
Yes. Draughts often come through the inside gap too, so it can be worth sealing both.
Can new window sealant be painted?
Not if it’s silicone. We choose the product with your decorating in mind, so mention it when you book.
Do you remove the old sealant?
Yes. We cut out all the old sealant and clean the joint.
Are you fully insured?
Yes, we are fully insured for every job we do.
Do you work on first-floor windows?
Yes, as long as they can be reached safely. Let us know about access when you ask for a quote and we’ll plan for it.
Signs you need window mastic in Sevington
Water runs down the glass onto the sill, so the sill ends and the joint below the frame are common leak points. When that sealant fails, water gets into the wall or under the frame.
The most common problems we see are:
- Gaps left after new windows were fitted
- Draughty joints inside around the window
- Old mastic that has gone black or come away
- Gaps where the sill meets the wall
Rented homes near Ashford International station change hands often, and renewing tired window mastic between tenants heads off draught and damp complaints.
What your quote should include
- Is VAT in the price?
- Which sealant they’ll use, and why
- What happens if they find a problem under the old sealant
- Whether you can choose the colour
Landlord and commercial work in Sevington
We work for letting agents and landlords as well as homeowners. Sealant work between tenants is a simple way to keep a property in good order before the next move-in.
Housing providers, facilities teams and property managers book us too. Several sites can go on one quote.
Window mastic in Sevington: local notes
Compared with the north and west, the South East gets less rain, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast. With historic houses such as Godinton House (about 3.9 miles north-west) nearby, there’s older building stock in the area around Sevington as well as newer homes. Where a home is older, older timber frames in brick or stone need a different approach from a modern uPVC window.
Homes close to Church of St Mary include some older properties, and frames set in older brick or stone need a sealant that suits the wall as well as the frame. If you look after a building such as Willesborough Junior School, the mastic around its windows and doors needs looking after like any other building’s.
Sevington is about 2 miles south-east of Ashford, in Kent. Sevington gets the same service as everywhere we cover: the old material taken out, joints prepared properly and a 12-month guarantee. Our area takes in 922 places across Kent, from the larger towns to small villages. Our Chelmsford page covers work nearby (46 miles or so).
All of TN24 and TN25 is covered for window mastic. Whether your property is on Church Road, Bad Munstereifel Road and Highfield Lane or a nearby road, our applicators can take on the job. We also cover the places around Sevington: Hinxhill Park (1 mile north-east), Mersham (1 mile south-east), Hinxhill (1 mile north-east), South Stour (2 miles south) and Ridgeway (2 miles east). Further out, we also cover Canterbury (13 miles north-east), Folkestone (12 miles east), Faversham (13 miles north), Hythe (8 miles south-east), Davington (13 miles north) and Preston (13 miles north).
Landmarks near Sevington
We work in homes and buildings around Ashford Green Corridors, The North School and The William Harvey Public House and the streets around them. The closest station to Sevington is Ashford International station, about 1.8 miles north-west of the centre. Other landmarks nearby include William Harvey Hospital (0.9 miles north) and Ashford Designer Outlet (1.5 miles west). Green spaces nearby include Hatch Park.
What happens on the day
We keep the work tidy and contained to the joints we’re treating, so you can carry on as normal. The job normally takes a morning for a couple of windows and a door. Somewhere as small as Sevington, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- Each frame is looked over and we agree which ones need resealing.
- We remove the old mastic and clean the frame edge and wall.
- Deep gaps get closed-cell backing rod to set the depth.
- A flexible exterior sealant is applied in a colour to suit the frame.
- Every joint is tooled smooth and checked before we leave.
Getting ready for the visit
- Tell us if parking is tricky
- Let us know about earlier repairs to the joints
- Keep children and pets away from the work area
Getting a quote
A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints, and email photos if that is easy.