Hampshire · England
Window & door mastic in Privett, Hampshire
We cover Privett 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.
- Hard, cracked sealant around windows
- Draughty joints inside around the window
- Gaps left after new windows were fitted
What window mastic looks like in Privett
Privett 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. That is hard on the mastic around window and door frames, especially on the side facing the sea. The South East is one of the drier parts of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
Rented homes near Portsmouth Harbour station change hands often, and renewing tired window mastic between tenants heads off draught and damp complaints. If you look after a building such as Gomer Infant School, the mastic around its windows and doors needs looking after like any other building’s.
Privett is about 1 mile south-west of Gosport, in Hampshire. Jobs in Privett get the same care as everywhere else we work: old sealant removed completely, careful preparation and a 12-month guarantee. 683 places in Hampshire are on our list.
Every address in PO12 and PO13 is covered for window mastic. Streets in the area include Bay Road, Gomer Lane and Vectis Road, all of which we cover. If you’re just outside Privett, we cover Alverstoke (1 mile south-east), Clayhall (1 mile south-east), Haslar (2 miles south-east), Portsmouth Point (2 miles east) and Portsea (2 miles east). Further out, we also cover Havant (9 miles north-east), Eastleigh (14 miles north-west), Fareham (4 miles north), Horndean (10 miles north-east), Hedge End (10 miles north-west) and Waterlooville (8 miles north-east).
Around Privett
Typical jobs here are in homes near Wiltshire Lamb pub, Bay House School and St Vincent College, among other places. The nearest railway station is Portsmouth Harbour station, roughly 2.3 miles east of the centre. A little further out are Tricorn Centre (3.1 miles east) and Search (1.5 miles east). Not far away are West of the River Alver and Portsdown Hill.
How we handle window mastic in Privett
There are two joints on most windows. The external joint is the weather seal; inside, the joint between frame and plaster stops draughts and tidies the reveal. We seal one or both, depending on what’s needed. Typical jobs include sealant in the wrong colour for the frame and hard, cracked sealant around windows, across composite doors, aluminium frames and window sills.
In smaller places like Privett, homes range from older cottages to newer houses, with windows to match: timber, uPVC and aluminium. Each frame material needs the right sealant against the right wall.
Each job carries a 12-month guarantee.

- Where
- Privett (PO12, PO13)
- Region
- Hampshire
- Cover
- 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?
Working on frames from a ladder with a sealant gun isn’t easy, especially upstairs. We cut out properly, back deep gaps and tool every joint neatly, using a product chosen for the frame and wall. In an older home around Privett, damp from a failed joint can get into timber and plaster, and that is a much bigger job than renewing the sealant.
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 will go through it with you.
Why Privett clients choose us
- A 12-month guarantee on all work
- Fully insured
- Rated 4.9 stars on Google
- Trusted Arbo and Everbuild sealants
Take a look at how sealant jobs are priced and what customers say.
How to look after the new joints
Joint life depends on how it’s used and looked after. Here’s what we suggest:
- Keep drainage slots and sill grooves clear
- Look round the frames every year or so
- Keep solvents and bleach off the sealant
- Do not paint over the silicone
A yearly look round the frames is enough. Small splits are simple to catch before they leak.
Draughts get worse, not better. As the old mastic shrinks further, more air gets through, and heat escapes around the frame. A new joint closes it up.
Privett: your questions answered
Do you work for landlords with property near Portsmouth Harbour station?
Yes, rental work is part of what we do. Just ring 0345 464 0079 or drop us an email and tell us about the property, and we will send you a clear quote.
Does living near the coast affect window mastic in Privett?
Coastal homes put outside sealant through more weather than inland ones, so the choice of sealant and the preparation matter even more. It’s worth checking the walls that face the sea first.
How much does window mastic cost in Privett?
Size, access and the old material all affect the cost. Ask us for a quote and we will talk you through it.
Will resealing my frames help with draughts?
It will if the frame joint is the problem. We find where the air is coming from before we reseal.
Is the work guaranteed?
Yes, for 12 months. A yearly look at the joints helps them last.
Can you do upstairs windows?
Yes, in most cases. Access is planned before we start, so mention the height and anything in the way.
Do you take out the old sealant first?
Yes. All of the old material is cut out and the joint cleaned before applying anything new.
Can I paint over the new sealant?
Not usually, if it’s silicone. We choose the product with your decorating in mind, so mention it when you book.
For landlords and businesses
Mouldy or split sealant often shows up at the end of a tenancy. Several properties can be quoted together.
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.
What sealant work cannot fix
In fairness, there are a few things sealant won’t fix:
- Damp coming through the wall itself rather than the frame joint
- Faulty window hardware
- Draughts through the window seals rather than the frame
If you are not sure, just phone 0345 464 0079 or send us an email and we’ll give you a straight answer before booking.
Where we work in Privett
- uPVC windows
- Composite doors
- Aluminium frames
- Window sills
- Timber windows & doors
- Patio & French doors
Should I try it myself first?
A DIY attempt doesn’t rule out a professional job. We remove it and do the joint properly, so tell us about it when you ask for a quote.
If you are set on DIY, put the effort into preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it fails, we can still redo it.
How it works
When we get to you, we compare the joints with what we discussed. If anything is different, we explain it before carrying on. Most jobs then take anything from an hour or two to a full day, depending on how many frames there are. In a smaller place like Privett, parking is seldom the issue; lanes, gates and long drives are worth mentioning. If the job is outside, tell us about side access and how high the joints are.
- First, we go round the frames with you and agree the list.
- We remove the old mastic and clean the frame edge and wall.
- Where the gap is deep, backing rod goes in first.
- 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.
How to prepare
- Move anything stored near the joints
- On commercial sites, let us know about site rules
- Plan for the work area to be out of bounds to pets and children
How to get a quote
Want a quote for window mastic? Please phone 0345 464 0079 or drop us an email and tell us about the job. You will know what we plan to do, and what it will cost, before any work begins.
Related advice
Places near Privett
What else we do in Privett
Signs you need window mastic in Privett
Water runs down the glass onto the sill, and the ends of the sill, where it meets the wall, are where it gets in. Failed sealant there lets rain into the wall or behind the frame.
The problems people generally mention when they call include:
- Sealant in the wrong colour for the frame
- Leaking joints at the ends of sills
- Draughty joints inside around the window
- Damp patches on the reveal after heavy rain
In the older streets around St Faith's Church, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
Questions to ask before you book
- Which colour the sealant will be
- How long the guarantee is
- What product goes in the joint
- Who does the work, and how experienced they are
