Hampshire · England
Window & door mastic in Newfound, Hampshire
We cover Newfound for 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.
- Whistling draughts around closed windows
- Gaps between the frame and the inside reveal
- Black, perished sealant on frames
Landlords, agents and businesses in Newfound
Letting agents often deal with us directly. Tell us the address, the job and how access works and we’ll quote.
We work for landlords and letting agents as well as householders. Resealing between tenancies is a simple way to keep a property in good order before the next move-in.
Window mastic for homes and businesses in Newfound
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. That way the new bead bonds to the frame and the wall only. We’re often asked to deal with leaking joints at the ends of sills and draughts coming in around windows and doors, across aluminium frames, composite doors and uPVC windows.
Mastic can only go onto a dry, clean joint, so window work in Newfound is booked around the forecast. Tell us about access to every side of the house, including upper-floor windows.
Your job is guaranteed for a year, as with all our work.
- Location
- Newfound (RG23)
- Region
- Hampshire
- Guarantee
- A year, on every job
- Price
- Quoted before any work starts
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
How the job changes by surface
Composite doors
Front doors take the weather head on, and the top and bottom corners tend to fail first. We pay most attention there.
Aluminium frames
Aluminium needs a sealant that bonds to coated metal, and acetoxy silicones are not used, as they can attack some metals. We use a neutral-cure product.
Window mastic in Newfound: 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. Historic houses like The Vyne (about 4.8 miles north-east) are a reminder that the area around Newfound 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.
If you look after a building such as Oakley Infant School, larger buildings have plenty of frames, and the mastic around each one ages. If you let a flat or house near Basingstoke station, cracked frame mastic tends to show up as a draught or damp complaint, so it’s worth checking between lets. Homes close to St John's include some older properties, and the joint between an old wall and a newer frame is usually the first place rain gets in.
Newfound is about 3 miles west of Basingstoke, in Hampshire. Jobs in Newfound get the same care as everywhere else we work: old sealant removed completely, careful preparation and a one-year guarantee. Our Hampshire coverage runs to 683 places, and Newfound is one of them. For nearby work, see our Reading page, about 15 miles away.
Jobs for window mastic in RG23 works the same way as everywhere else we cover. Whether your property is on Fox Lane, Dellfield and Foxmoor Close or a nearby road, we can help. We also cover Oakley (1 mile south-west), Worting (1 mile east), Buckskin (1 mile east), Kempshott (2 miles south-east) and Ibworth (2 miles north-west). Larger places within reach include Basingstoke (3 miles east), Winchester (15 miles south-west), Fleet (14 miles east), Andover (14 miles west), Alton (11 miles south-east) and Yateley (15 miles east).
Around Newfound
Typical jobs here are in homes near The Fox pub and Bishop Challoner Catholic Secondary School. The closest station to Newfound is Basingstoke station, roughly 3.5 miles east of the centre. Well-known places in the area include The Malls (3.5 miles east) and Willis Museum (3.5 miles east). Not far away are Daneshill Park Woods and Farleigh Hill.
DIY versus a professional finish
Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and doesn’t move well, and getting the depth right matters as much as the look.
The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is, and the work is guaranteed for a year.
Also near Newfound
Also in Newfound
Leave it or put it right?
Failed mastic is not a reason to replace sound windows. Where the frames are sound, new mastic usually 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 Newfound, wind-driven rain gets into any failed joint, and older walls, once damp, take a long time to dry.
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. The price is agreed before we begin.
Why book with us
- Colour picked to suit the job
- 4.9 on Google from 180+ five-star reviews
- You choose the colour before work begins
- A choice of colours where the product allows
Take a look at how sealant jobs are priced and what customers say.
Newfound: your questions answered
Do you cover smaller places like Newfound?
Yes, Newfound is covered. We work across London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
Can you help a landlord with a rental near Basingstoke station?
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’ll give you a fixed price before work begins.
Can you get sealant to suit coloured frames?
Yes, in most cases. Mention the frame colour when you ask for a quote and we will use the nearest match.
Do you work on first-floor windows?
Yes, as long as they can be reached safely. Tell us about access when you get in touch so we can plan the job.
What should I tell you?
Just the basics: where it is, what you’ve noticed and how we reach it. After that, simply call 0345 464 0079 or email us.
Can you work on commercial sites?
Yes. We can plan bigger jobs in stages to suit the site.
Can resealing stop a draught around my window?
Yes, where the draught is at the frame edge. We check where the draught is before work begins.
Does someone need to be in?
That depends on where the joints are. Inside work needs someone to give us access, while outside work can sometimes be arranged differently.
Quotes for window mastic in Newfound
Your quote is based on your job. We take into account:
- Which sealant suits the joint
- Whether there’s mould to deal with
- How much old sealant there is and how hard it is to remove
- Access and height
Every job is a little different, so each one gets its own quote. Size, access and the product the joint needs all make a difference.
What we need to know
Photos help, but a description is a good start. Try to tell us:
- If someone has resealed it before
- What the problem is, such as mould, gaps, leaks or cracking
- The type of property
- Any access issues, like height or stairs
The more we know about the job, the more useful the quote. Tell us where the job is, what’s wrong and how much there is.
Aftercare tips
How long the joints last depends on use and care. We suggest:
- Wash the frames with mild soapy water
- Wipe condensation off the frames
- Walk round the house once a year and look at the joints
- Do not use solvent cleaners on the joint
Have a look at the joints once a year, ideally after winter. Small splits are simple to catch before they leak, and if anything looks wrong, just ring 0345 464 0079 or email us.
Water trapped behind a failed joint can start rot in timber frames and sills. Rotten timber needs a joiner, not a sealant, so it pays to reseal before that happens.
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 a few hours for a few frames, or a day or more for a whole house. Somewhere like Newfound needs a little journey planning: 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 go round the frames with you and agree the list.
- We remove the old mastic and clean the frame edge and wall.
- Deep gaps get closed-cell backing rod to set the depth.
- The new sealant goes on in white, brown, anthracite grey, black or clear to suit.
- We tool each bead neatly and check every joint is closed.
Getting ready for the visit
- Clear the area around the work
- Tell us about access, such as stairs, a lift or high-level joints
- Let us know if you’ve seen damp or leaks
Getting a quote
Every job is quoted individually, so start by telling us what you need. Just ring 0345 464 0079 or email us with the details, and pictures are welcome.