West Sussex · England
Window & door mastic in West Ashling, West Sussex
Mastic around window and door frames, sills and patio doors for homes and businesses in West Ashling and across West Sussex. Fully insured, ARBOMaster approved and guaranteed for a year.
- Sealant in the wrong colour for the frame
- Cracked sealant at the sill ends
- Mastic that has split away from the wall
DIY versus a professional finish
If you do try it yourself, take your time over the preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it doesn’t work out, we can still put it right.
What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is.
Window mastic for homes and businesses in West Ashling
Homes in West Ashling 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. If you are dealing with gaps between the frame and the inside reveal and white mastic on grey or black frames, we can help, on aluminium frames, uPVC windows and timber windows & doors alike.
Around West Ashling, many homes face open ground, so their windows and doors take the full weather. Exposed frames and sills lose their mastic sooner than sheltered ones.
All our work comes with our 12-month guarantee.
- Place
- West Ashling (PO18)
- Wider area
- West Sussex
- Guarantee
- One year on every job
- Quote
- A clear quote up front
- Call
- 0345 464 0079
- Updated
- 26 October 2026
Honest limits
We won’t take on work that won’t last, so these are the limits:
- Misting between the panes of a double-glazed unit (that needs a new unit)
- Damp problems in the wall away from the window
- A door that needs adjusting, rehanging or new seals
If you’re not sure, just call 0345 464 0079 or email us and we’ll give you a straight answer.
What we seal
- Patio & French doors
- Composite doors
- Aluminium frames
- Timber windows & doors
- uPVC windows
- Window sills
Why deal with it now?
The work is quick compared with the damage it prevents: the visit takes a morning for a couple of windows and a door. Wait for damp to appear and there may be plaster and decorating to sort out too. Around West Ashling, older homes often have timber in their floors and frames, and water through a failed joint can rot timber if it’s left.
We do not show prices on the website, because the cost depends so much on the job itself. For a quick quote, please ring 0345 464 0079 or send us an email.
Why us?
- 20+ years of sealant experience
- Full insurance on every job
- 4.9 on Google from 180+ five-star reviews
- White, clear, grey or coloured to suit, where the product allows
See our cost guide or our reviews.
The process
Good joint work is mostly preparation, so that is where we spend the time. Joints are cleaned back and dried before anything new goes in. In total, it generally takes a few hours for a few frames, or a day or more for a whole house. For a village or hamlet like West Ashling, the journey is planned in advance: let us know about lanes, gates and parking. We bring what the job needs, so it can be finished in one trip where possible.
- First we look at every frame and agree the list.
- Next the failed sealant is cut away and the joint cleaned.
- We fit backing rod in deep gaps so the sealant is the right depth.
- We apply a weatherproof sealant to match the frame and tool it neatly.
- We clear up and check every joint is fully closed.
How to prepare
- Mention if the joints have been sealed before
- Clear items away from the joints we’re working on
- Let us know about stairs, lifts or work at height
How to get a quote
A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints, and add photos by email if you can.
Related advice
Landlord and commercial work in West Ashling
A neglected joint can let water reach the structure, which is a bigger problem in a rented property. Keeping joints in good order is simple maintenance.
From a single let to a portfolio, you get the same standard of work: old sealant fully removed, joints prepared properly and a one-year guarantee.
Looking after it afterwards
A little care helps the new joints last. We recommend:
- Do not use solvent cleaners on the joint
- Ventilate rooms so frames don’t stay wet inside
- Clean frames with a soft cloth and soapy water
- Keep drainage slots and sill grooves clear
Wipe the frames with soapy water when you clean the windows, and avoid solvent cleaners on the sealant.
A small gap around a frame only grows. As the old mastic shrinks further, more air gets through, and heat escapes around the frame. A new joint closes it up.
Towns and villages near West Ashling
Other services in West Ashling
Windows and doors in West Ashling
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. With historic houses such as West Dean House (about 4.6 miles north-east) nearby, there’s older building stock in the area around West Ashling as well as newer homes. 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.
Homes close to The Parish Church of St Mary include some older properties, and the joint between an old wall and a newer frame is usually the first place rain gets in. Rented homes near Bosham station change hands often, and cracked frame mastic tends to show up as a draught or damp complaint, so it’s worth checking between lets. If you look after a building such as Funtington Primary School, larger buildings have plenty of frames, and the mastic around each one ages.
West Ashling is about 3 miles north-west of Chichester, in West Sussex. Homes, rented property, offices and hotels in West Ashling can book us for window mastic, old or new, large or small. The work is guaranteed for a year. West Ashling is one of 371 towns and villages in West Sussex we cover for window mastic. Portsmouth is on our list too, around 11 miles away.
Every address in PO18 is covered for window mastic, from the main roads to the quietest streets. If you need window mastic at a property on Heather Close, Ashling Close and Portal Close or a nearby road, we can help. Neighbouring places we cover for window mastic include East Ashling (1 mile east), Funtington (1 mile north-west), Broadbridge (1 mile south), Hambrook (1 mile west) and West Stoke (1 mile north-east). We also work in nearby towns such as Bognor Regis (9 miles south-east), Chichester (3 miles south-east), Selsey (9 miles south), Littlehampton (14 miles east), Emsworth (4 miles west) and Rustington (15 miles east).
Landmarks near West Ashling
Around West Ashling, our work takes us to homes and buildings near The Horse And Groom Public House. The nearest railway station is Bosham station, about 1.2 miles south of the centre. A little further out are Chichester Centre (3.6 miles east) and Chichester Castle (3.5 miles south-east). Not far away are Kingley Vale National Nature Reserve and Stoke Down.
What affects the quote in West Ashling
We do not publish a price list. What we look at:
- The type of sealant required
- Any mould that needs treating
- How much old sealant there is and how hard it is to remove
- The size of the job
Instead of a standard rate, we look at what your job involves: how many joints, what’s in them now and how we reach them. You will know the price before we begin.
What we need to know
When you contact us, these details help:
- What’s wrong with the joints now
- A few photos by email, if you can
- If it’s domestic, commercial or a hotel
- Roughly how big the job is
It all starts with a short chat. Describe the problem, the location and the size of the job, and we’ll talk you through what we’d do. When it suits you, phone 0345 464 0079 or email us.
West Ashling: your questions answered
Do you cover West Ashling for window mastic?
Yes, West Ashling is within the area we cover. We work across London and the South East. Just phone 0345 464 0079 or drop us an email with a few details of the job.
Do you work for landlords with property near Bosham station?
Yes, landlords and agents are among the people we work for, and several properties can be quoted together. You can call 0345 464 0079 or send us an email with the details for a clear quote.
Can new window sealant be painted?
Silicone generally won’t take paint. Let us know beforehand, and we will use a paintable product where it suits.
Do you have sealant for grey or black windows?
Normally, yes. Tell us the frame colour when you get in touch and we will use the nearest match.
Can I add another job to the visit?
Yes. Tell us about everything you’d like done and we will quote it together.
Are you an approved applicator?
Yes. ARBOMaster is the approved applicator scheme for Arbo sealants, and we are part of it.
Where do you work from?
We’re based in Crawley, West Sussex, and we cover South East England, London and all of Scotland.
Can you seal the gap between the frame and the plaster indoors?
Yes. Outside is the weather seal; inside closes the gap to the plaster. We do one or both.