Hampshire · England
Water End Window Mastic
Window mastic for Water End and the surrounding area: careful preparation, the right product and tidy work. Ask us for a quick quote.
- A bead that doesn’t match the frame
- Mastic that’s falling out in pieces
- Gaps left after new windows were fitted
Keeping the joints in good condition
Aftercare is simple, and it makes a real difference:
- Avoid blasting the frames with a pressure washer
- Keep paint and stain on wooden frames in good order
- Paint up to the joint, not over it
- Use gentle cleaners on frames and sealant
Wipe the frames with soapy water when you clean the windows, and avoid solvent cleaners on the sealant.
Look out for the warning signs: split or missing mastic, gaps, damp patches inside or black mould on the reveal. Any of these is worth a call.
Window mastic in Water End, done properly
Behind a thin line of old mastic there’s sometimes a deep void. Packing it solid with sealant gives a joint that can’t flex, so deep gaps get backing rod first. That way the new bead bonds to the frame and the wall only. If you are dealing with gaps left after new windows were fitted and draughts coming in around windows and doors, we can help, on aluminium frames, window sills and composite doors alike.
Somewhere as small as Water End, older homes often have timber frames set in stone or brickwork. Older buildings like these don’t always suit modern silicone, and sometimes a traditional sand mastic is the better choice.
Every job comes with our one-year guarantee, wherever you are in Hampshire.
- Where
- Water End (RG24)
- Wider area
- Hampshire
- Cover
- 12 months on all our work
- Quote
- Quoted before any work starts
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026

Window mastic in Water End: local notes
With historic houses such as The Vyne (about 4.1 miles north-west) nearby, there’s older building stock in the area around Water End as well as newer homes. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic. London and the South East are among the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
For landlords with property near Hook station, renewing tired window mastic between tenants heads off draught and damp complaints.
Water End is about 4 miles east of Basingstoke, in Hampshire. For window mastic in and around Water End, please ring 0345 464 0079 or send us an email for a quick quote. We are based in Crawley and cover Hampshire, Water End included. Water End is one of 683 places in Hampshire we cover for window mastic. You can also see our page for Reading, roughly 12 miles from Water End.
Postcode districts we cover here for window mastic: RG24. If you’re just outside Water End, we cover Andwell (1 mile south-west), Mapledurwell (1 mile south), Old Basing (2 miles west), Wildmoor (2 miles north) and Lychpit (2 miles west). Larger places within reach include Basingstoke (4 miles west), Farnborough (11 miles east), Fleet (7 miles east), Aldershot (11 miles east), Alton (9 miles south) and Yateley (9 miles north-east).
What’s near Water End
For rail, the closest station is Hook station, roughly 2.1 miles east of the centre. Nearby you’ll also find Basing House (1.9 miles west) and Basingstoke and North Hampshire Hospital (4.4 miles west). For a walk, there’s Dogmersfield Lake and The Mill Field.
How the job changes by surface
Composite doors
If the door itself is draughty, the issue may be the door seals or hinges rather than the frame mastic. We seal the frame and let you know about anything else.
Window sills
Masonry sills can have joints where water gets in, including the one between the sill and the frame above. Those are sealed with a product suited to stone or concrete.
When to call us in Water End
On timber frames, paint and putty build up around the joint. Old mastic gets painted over and cracks under the paint, and timber moves with moisture as well as temperature.
The problems people generally mention when they call are:
- Whistling draughts around closed windows
- Sealant in the wrong colour for the frame
- Gaps between the frame and the inside reveal
- Hard, cracked sealant around windows
If you live in an older home near St Swithun's church, frames set in older brick or stone need a sealant that suits the wall as well as the frame.
Before booking anyone
- How the surfaces are prepared before sealing
- How long the guarantee is
- Are they insured?
- Whether all the old sealant comes out first
For landlords and businesses
Whether it’s one flat or a portfolio, the work is the same standard: old sealant fully removed, joints prepared properly and a one-year guarantee.
We also work for property managers and facilities teams. We can quote a run of properties together, and we are fully insured.
The process
When we arrive, we look over the joints with you first, so there are no surprises. Surfaces next to the work are protected before any work starts. Most jobs take most of a day for a typical house, less for a few frames. In a small place like Water End, access is usually the main thing to plan. For outside work, also let us know about exposed walls and any outbuildings involved.
- First, we go round the frames with you and agree the list.
- The old mastic is cut out and scraped back to clean surfaces.
- Where the gap is deep, backing rod goes in first.
- A flexible exterior sealant is applied in a colour to suit the frame.
- Every joint is tooled smooth and checked before we leave.
Preparing for the visit
- Mention any leaks or damp you’ve noticed
- Try not to wet indoor joints just before the visit
- Keep children and pets away from the work area
Getting a quote
A good description makes for an accurate quote. Tell us where the job is, what’s wrong and how much there is, and email pictures if that is easy.
Related advice
Questions from Water End
Do you cover smaller places like Water End?
Yes, smaller places are covered as well as towns. We work across London and the South East. Just mention lanes, gates or anything else about the route when you book.
Is Water End in your area for window mastic?
Yes. Our work covers London and the South East, and Water End is part of that. Just ring 0345 464 0079 or drop us an email with a few details of the job.
How many windows can you do in a day?
The work takes most of a day for a typical house, less for a few frames. Access and the amount of old mastic make the biggest difference.
Can you reach windows above the ground floor?
Yes, where they can be reached safely. Let us know about access when you ask for a quote so we can plan the job.
Will you leave a mess?
We keep the work tidy. Nearby surfaces are protected, and we clear up when we’re done.
Can you work on commercial sites?
Yes, regularly. We can plan bigger jobs in stages to suit the site.
Can you seal the gap between the frame and the plaster indoors?
Yes. Inside, the joint between frame and plaster is sealed neatly.
Do I need to be at home?
For indoor joints, yes, someone needs to let us in. After that, you can carry on with your day.
Can I do it myself?
If you’ve already had a go yourself, that is fine. We remove it and do the joint properly.
What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is matched to the joint and its conditions, and the work is guaranteed for a year.
Why act early in Water End
Resealing frames is a short job: the visit takes a few hours for a few frames, or a day or more for a whole house. Leave it until water is coming in and you may need plastering and decorating as well. Older cottages and farmhouses around Water End can have timber floors and frames, where water from a failed joint can cause rot if it’s left.
Homes and businesses are quoted the same way: the amount of work, the access and the products needed, plus any working-time requirements on site. Ask us for a quote and we’ll explain what it covers.
Why book with us
- Full insurance on every job
- Anti-fungal sanitary silicone in wet areas
- ARBOMaster approved applicator
- Neat joints and a tidy finish
Read what affects the cost or what customers say.
