Hampshire · England
Hound Window Mastic
Mastic around window and door frames, sills and patio doors for homes and businesses in Hound and across Hampshire. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.
- Cracked or shrunken mastic around the frame
- Rain getting in at the frame or under the sill
- Gaps between the frame and the inside reveal
Surface by surface
uPVC windows
We clean the frame edge carefully so the plastic isn’t marked, then the sealant goes in between frame and wall and tooled smooth.
Window sills
Sills catch the water running down the glass, so the sill ends and the joint under the frame are vital. Each is cleaned out and resealed.
How we handle window mastic in Hound
Over two decades of sealing frames has taught us which products suit which walls. We are fully insured ARBOMaster approved applicators, and we give a 12-month guarantee on the work. We work on composite doors, patio & French doors and uPVC windows, and people most often call us about leaking joints at the ends of sills and untidy mastic left by window fitters.
In a village or hamlet like Hound, older cottages and farmhouses often have timber windows set in stone or brick. Not every older frame suits a modern silicone bead, and sometimes a traditional sand mastic is the better choice.
We guarantee the work for a year. If something is not right with it in that time, tell us and we will put it right.

- Location
- Hound (SO31)
- Wider area
- Hampshire
- Guarantee
- One year on every job
- Quotes
- Quoted before any work starts
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
Leave it or put it right?
A quick bead over the top of old mastic looks like an easy fix, but new sealant cannot bond to old, crumbling mastic. It soon lifts and the leak carries on behind it. The old mastic has to come out. Older cottages and farmhouses around Hound can have timber floors and frames, and water through a failed joint can rot timber if it’s left.
Doing several joints on one visit generally makes better use of the time than several visits, so it’s worth mentioning everything you’d like done. We will give you a clear price for the lot.
Why choose Mr Mastic in Hound
- More than 20 years in sealant work
- We never seal over old sealant
- Quality sealants from Arbo and Everbuild
- Fully insured
Take a look at how sealant jobs are priced or customer reviews.
Landlords, agents and businesses in Hound
Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements and we will quote.
Landlords and letting agents in Hound can book us as well as homeowners. Resealing between tenancies is a simple way to keep a property in good order before the next move-in.
What we do, step by step
Once we’re on site, we check the joints match what you told us. If we find something unexpected, we talk it through with you first. Most jobs then take most of a day for a typical house, less for a few frames. Somewhere like Hound needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. Everything for the job comes with us, so a second trip is avoided where possible.
- We start by checking each window and door with you.
- The old mastic is cut out and the surfaces cleaned back.
- Where gaps are deep, backing rod goes in first.
- We apply a weatherproof sealant to match the frame and tool it neatly.
- We clear up and check every joint is fully closed.
Getting ready for the visit
- Let us know about stairs, lifts or work at height
- Clear the area around the work
- For indoor joints, keep the area dry beforehand if you can
How to get a quote
Every job is quoted individually. Simply call 0345 464 0079 or send us an email and describe the job.
Related advice
Windows and doors in Hound
Hound is within about 1 mile of the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. Both are hard on the mastic around window and door frames, which can dry out and crack sooner where a building faces the weather. 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.
Letting a property close to Netley station? Then sound mastic around windows and doors keeps out the draughts and damp that tenants notice first. Schools such as The Hamble School are buildings too, and the mastic around its windows and doors needs looking after like any other building’s.
Hound is about 3 miles east of Hythe, in Hampshire. Anywhere in SO31, we can carry out window mastic at your property. Our area takes in 683 places across Hampshire.
Postcode districts we cover here for window mastic: SO31. Streets in the area include Hound Road, Hound Road Gardens and Hound Close. Neighbouring places we cover for window mastic include Butlocks Heath (1 mile north), Netley (1 mile north-west), Hamble-le-Rice (1 mile south-east), Old Netley (1 mile north-east) and Bursledon (1 mile north-east). Further out, we also cover Winchester (13 miles north), Gosport (9 miles south-east), Havant (15 miles east), Eastleigh (6 miles north), Fareham (6 miles east) and Horndean (14 miles east).
Around Hound
In Hound, that means homes and buildings near Netley Abbey Infant School, Westwood Woodland Park and Prince Consort Public House, among other places. Hound has its own railway station: Netley station. Nearby you’ll also find Bursledon Brickworks Industrial Museum (2.2 miles north-east) and Netley Castle (1 mile west). Not far away are Mercury Marshes.
What sealant work cannot fix
A few problems are outside what sealant work can do:
- Misting between the panes of a double-glazed unit (that needs a new unit)
- A sash or casement that won’t close properly
- Damp coming through the wall itself rather than the frame joint
If you’re not sure, just ring 0345 464 0079 or drop us an email and we will give you a straight answer.
Surfaces we seal
- Timber windows & doors
- Aluminium frames
- Patio & French doors
- Window sills
- Composite doors
- uPVC windows
Quotes for window mastic in Hound
There’s no set price list, because jobs vary so much. What we look at:
- Any working-time requirements on site
- Whether the work is at height
- Mould in or behind the old joints
- The size of the job
No two jobs are quite the same, so we quote each one individually. Size, access and the product the joint needs all make a difference.
What we need to know
When you call or email, it’s useful to know:
- Photos by email, if that’s easy
- The rough size of the job
- Any access issues, like height or stairs
- If someone has resealed it before
Call for a quick quote, or email us if that is easier. Tell us about the joints that need doing and we’ll explain what’s involved.
Common questions in Hound
I let a flat near Netley station. Can you help?
Yes. We work for letting agents and landlords as well as homeowners, and several properties can go on one quote. Just call 0345 464 0079 or send us an email with the address and what needs doing, and we will send you a clear quote.
Does living near the coast affect window mastic in Hound?
Near the coast, wind-driven rain and, nearer the shore, salt air make outside sealant work harder. Choosing the right sealant for the frame and wall, laid at the right depth, helps it last.
Is it worth trying it myself?
Some simple jobs can be done by a careful DIYer. Most DIY failures come from sealing over old material, wet joints or too much sealant.
Is it messy?
Tidy work is part of the job. We protect what’s around the joints, and the area is left clean when we finish.
How do I get a quote for window mastic in Hound?
The cost depends on the size of the job, access and how much old sealant has to come out. Call for a quick quote.
Can you do several jobs on one visit?
Yes. Just list everything you need and you will get one quote.
Do you remove the old sealant?
Yes. We cut out all the old sealant and clean the joint before applying anything new.
Does the work come with a guarantee?
Yes, with our one-year guarantee. A yearly look at the joints helps them last.
What else we do in Hound
Common problems we fix in Hound
Frames are never completely still. A plastic or aluminium frame lengthens in sunshine and shortens as it cools, while the masonry beside it stays put. If the sealant cannot stretch, it splits.
Look out for any of the following:
- Draughty joints inside around the window
- White mastic on grey or black frames
- Water coming in at the bottom corners of a door
- Draughts coming in around windows and doors
For an older house near a landmark such as Church of St Mary, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
Questions to ask before booking
- How hidden problems are handled
- Whether VAT is included
- The length of the guarantee
- Whether all the old sealant comes out first
