Hampshire · England
Window & door mastic in Durrants, Hampshire
Our applicators work in Durrants on mastic around window and door frames, sills and patio doors. Old material cut out, joints cleaned and sealed neatly and a one-year guarantee.
- Mastic that’s falling out in pieces
- Cold air getting in at the frame edge
- Cracked internal joints between frame and plaster
About our window mastic in Durrants
If you can feel air around a shut window, the gap is often at the frame. A new joint stops the air getting through. Where the air is getting in through the window itself, we will say so. If you are dealing with rain getting in at the frame or under the sill and cracked internal joints between frame and plaster, we can help.
In a village or hamlet like Durrants, older cottages and farmhouses often have timber windows set in stone or brick. Older buildings like these don’t always suit modern silicone, and sometimes a traditional sand mastic is the better choice.
A one-year guarantee comes as standard.
- Place
- Durrants (PO9)
- Wider area
- Hampshire
- Guarantee
- A year, on every job
- Quote
- A clear quote up front
- Call
- 0345 464 0079
- Updated
- 26 October 2026
Landlord and commercial work in Durrants
Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.
If you manage several properties in or around Durrants, several properties can go on one quote. Send us the addresses and the work at each.
Can I do it myself?
Too much sealant is as bad as too little. A thick, smeared bead looks untidy and does not move well, and the joint depth matters as much as the finish.
If you’ve already had a go yourself, that is fine. We cut it out and start again.
What the job involves on each surface
Timber windows & doors
Wood swells when it’s wet and shrinks when it dries, so the joint must stay flexible. The paint or stain needs to be sound where the sealant meets it.
uPVC windows
The frame is cleaned with a product that will not harm the plastic, then the sealant goes in between frame and wall.
What we cannot put right
It helps to know what we cannot do:
- Damp coming through the wall itself rather than the frame joint
- A frame that has rotted at the joint
- Misting between the panes of a double-glazed unit (that needs a new unit)
If in doubt, phone 0345 464 0079 or email us and we’ll say what we think before you book.
Joints and surfaces we work on
- Window sills
- Composite doors
- Timber windows & doors
- uPVC windows
- Patio & French doors
- Aluminium frames
What we’re called out for in Durrants
Timber windows bring their own problems. Mastic painted over many times cracks with the paint, and the wood moves with damp as well as heat.
People usually contact us when they notice one of these:
- Cracked or shrunken mastic around the frame
- Old mastic that has gone black or come away
- Damp patches on the reveal after heavy rain
- Gaps left after new windows were fitted
Schools such as Havant Academy are buildings too, and larger buildings have plenty of frames, and the mastic around each one ages.
What to look for in a quote
- How the colour is chosen
- How the surfaces are prepared before sealing
- How long to leave it before use
- What guarantee comes with the work
Nearby places to Durrants
Other services in Durrants
What happens on the day
There’s no need to move everything out, just the space around the work. We protect the rest, and the job takes a morning for a couple of windows and a door in most cases. In a small place like Durrants, access is generally the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- First, we confirm safe access to each frame.
- Old, cracked mastic is removed completely.
- The surfaces are cleaned and left dry, and primed where the sealant calls for it.
- Backing rod fills deep voids and the sealant goes in on top.
- We tool the joint so water runs off, then clear up.
Getting ready for the visit
- Move anything stored near the joints
- Mention if the joints have been sealed before
- Try not to wet indoor joints just before the visit
How to get a quote
Quotes start with a quick conversation. Tell us what’s wrong, where it is and how much there is, and we will explain how we’d tackle it. When it suits you, ring 0345 464 0079 or email us.
Related advice
Durrants questions
Do you cover smaller places like Durrants?
Yes, smaller places are covered as well as towns. We work across London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Is window mastic in a coastal place like Durrants any different?
Near the sea, outside joints face more wind, rain and salt than they would inland, so preparation and the right sealant matter all the more. Walls facing the sea are usually the first to need attention.
Can you seal over the old sealant?
No, because it fails. The old sealant always comes out first.
How do I get a quote for window mastic in Durrants?
There’s no set price, as it depends on the job: its size, the old material, access and the product needed. We agree the price before any work begins.
Are you fully insured?
Yes. Mr Mastic is fully insured, and we’ve been doing sealant work for more than 20 years.
Can you do the inside joint as well?
Yes. Plenty of draughts come through the inside joint as well as the outside, so it can be worth sealing both.
Where do you work from?
We work from Crawley. Our applicators cover Durrants.
Can you do upstairs 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.
Window mastic in Durrants: local notes
Durrants is within about 3 miles of the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. That’s hard on the mastic around window and door frames, especially on the side facing the sea. Rainfall in the South East is lower than in much of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
Homes close to St John the Baptist include some older properties, and frames set in older brick or stone need a sealant that suits the wall as well as the frame. For landlords with property near Rowlands Castle station, cracked frame mastic tends to show up as a draught or damp complaint, so it’s worth checking between lets.
Durrants is about 2 miles north-east of Havant, in Hampshire. Every kind of property in Durrants can book us for window mastic, old or new, large or small. The work is guaranteed for a year. Our Hampshire coverage runs to 683 places, Durrants among them. For nearby work, see our Portsmouth page (7 miles or so).
Every address in PO9 is within our area for window mastic, from the main roads to the quietest streets. Window mastic is available to properties on Whichers Close, Whichers Gate Road and Durrants Road. Other places close to Durrants include Rowlands Castle (1 mile north), Leigh Park (1 mile south-west), Havant (2 miles south-west), Denvilles (2 miles south) and Westbourne (2 miles south-east). Within a short drive, we also cover Gosport (10 miles south-west), Fareham (10 miles west), Horndean (3 miles north-west), Hedge End (15 miles west), Waterlooville (3 miles west) and Petersfield (9 miles north).
Around Durrants
We work in homes and buildings around Sharps Copse Primary and Nursery School, St Albans Church and Robin Hood Inn. The nearest railway station is Rowlands Castle station, roughly 0.9 miles north-east of the centre. Nearby you will also find Havant War Memorial Hospital (2 miles south-west) and Havant Museum (2.1 miles south). The countryside around Durrants includes Brook Meadow (Emsworth) and Compton Down.
Quotes for window mastic in Durrants
For a quick quote, just ask. What matters most is:
- The product the joint needs
- Any working-time requirements on site
- How many rooms, windows or areas are involved
- Whether the work is at height
Commercial jobs are quoted on the same basis as homes: how much there is to do, how we reach it and what it needs, plus any working-time requirements on site. Ask us for a quote and we will go through it with you.
What we need to know
Photos help, but a description is a good start. Please mention:
- The address or postcode of the job
- Whether it has been sealed before
- What the problem is, such as mould, gaps, leaks or cracking
- Access, such as stairs, a lift or height
Getting a quote is simple: let us know the job and the location and its rough size. Photos by email help us understand the job, and we’ll take it from there.