Hampshire · England
Sand Mastic in Wecock Farm
Window and door surrounds in Wecock Farm need attention? We remove the old material, prepare the joints and seal them properly, with a 12-month guarantee.
- A silicone bead on a sash window that spoils the look
- Wind and rain getting in round a sash window
- Open joints round the window box
Sand mastic in Wecock Farm
On many period windows, sand mastic looks right and suits the building. Newer frames usually get a flexible sealant instead, and we will talk through which suits your home. We work on sash and case windows, timber door frames and stone surrounds, and people most often call us about silicone on a period window that looks wrong and wind and rain getting in round a sash window.
Many houses in smaller places like Wecock Farm have conservatories, garden rooms or patio doors. Their glazing joints and frame seals are as much a part of the job as the windows.
We stand behind the work with a 12-month guarantee, so you’re covered after we have gone.
- Where
- Wecock Farm (PO8, PO7)
- Wider area
- Hampshire
- Cover
- 12 months on all our work
- Price
- Quoted before any work starts
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026

Why act early in Wecock Farm
New mastic over crumbling mastic won’t hold. Raking out and preparing the joint gives it a sound base so the new mastic stays put. Around Wecock Farm, water from a failed joint in an older home can soak into timber and plaster, and that is a much bigger job than renewing the sealant.
Instead of a standard rate, we look at what your job involves: the amount of work, the old material and the access. You’ll know the price before we begin.
What you get with us
- Every job guaranteed for a year
- Domestic, commercial and hotel work
- Sanitary silicone with an anti-fungal additive in wet areas
- Neat joints and a tidy finish
Take a look at what affects the cost or our reviews.
Also near Wecock Farm
What else we do in Wecock Farm
What sealant work cannot fix
Before booking, it’s worth knowing the limits:
- Sashes that need overhauling
- Decayed frames that need repair
- Masonry that needs repairing
If in doubt, ring 0345 464 0079 or email us and we will say what we think.
Where we work in Wecock Farm
- Period & listed homes
- Sash and case windows
- Brick reveals
- Tenement windows
- Timber door frames
- Stone surrounds
DIY versus a professional finish
Not every job suits DIY: work at height, external movement joints, fire-rated sealant and large areas call for the right materials, safe access and experience.
Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
What sand mastic looks like in Wecock Farm
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. Historic houses like Warblington Castle (about 4.8 miles south-east) are a reminder that the area around Wecock Farm has older buildings as well as new. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic.
Schools such as Woodcroft Primary are buildings too, and its window and door frames need their mastic kept sound, just like a home’s. For landlords with property near Rowlands Castle station, older sash windows in a rental need their mastic kept sound to keep the weather out.
Wecock Farm is about 1 mile south-west of Horndean, in Hampshire. Homes, rented property, offices and hotels in Wecock Farm is covered for sand mastic, old or new, large or small. The work is guaranteed for a year. Wecock Farm is one of 683 towns and villages in Hampshire we cover for sand mastic. Portsmouth is on our list too, about 7 miles from Wecock Farm.
Work in PO8 and PO7 works the same way as everywhere else we cover. Whether your property is on Stone Road, Milton Road and Eagle Avenue or a nearby road, we can help. We also cover Anmore (1 mile west), Lovedean (1 mile north), Horndean (1 mile north-east), Denmead (2 miles west) and Catherington (2 miles north-east). Larger places within reach include Gosport (8 miles south-west), Havant (3 miles south-east), Eastleigh (14 miles west), Fareham (8 miles south-west), Hedge End (12 miles west) and Petersfield (8 miles north-east).
What’s near Wecock Farm
In Wecock Farm, that means homes and buildings near The Cowplain School and the streets around them. The nearest railway station is Rowlands Castle station, about 3.3 miles east of the centre. Nearby you’ll also find Havant War Memorial Hospital (3.8 miles south-east) and Clanfield Earthwork (3.9 miles north-east). Green spaces nearby include Windmill Hill and Southmoor Nature Reserve.
What we do, step by step
At the end, we look at the finished work together and tell you how long to leave it. The visit itself generally takes anything from a few hours to a full day, depending on how many windows, depending on the amount of work. A visit to Wecock Farm is planned like any other: the time, the access and where to park are agreed in advance. Outdoor jobs depend on a dry day, since sealant needs a dry surface.
- First we agree which joints need doing.
- Old mastic and any loose material are raked out.
- Deep gaps are packed so the mastic sits at the right depth.
- We apply the mastic by hand and shape it.
- We dress the finish so it sits neatly against the masonry.
Getting ready for the visit
- Plan for the work area to be out of bounds to pets and children
- Mention any leaks or damp you’ve noticed
- Mention any sign-in or site rules at work premises
Getting a quote
Getting a quote is simple: let us know the job and the location, and roughly how big it is. Photos by email help us understand the job, and we will take it from there.
Read more
Aftercare tips
Good habits help new joints last longer. A few tips:
- Find out about consent before window work on a listed home
- Avoid heavy scraping on the mastic joint
- Make sure water runs off the sill
- Avoid patching sand mastic with silicone
Look at the mastic when you look over the windows. Catching cracks early keeps repairs small.
Fine cracks show the mastic is starting to fail. Renewing it then is simpler than waiting until it falls out.
Signs you need sand mastic in Wecock Farm
Sand mastic slowly weathers. It dries out, cracks and loses its grip from the frame or the masonry.
These are the problems we’re asked about most:
- Gaps where the frame meets the masonry
- Draughty sash windows at the surround
- Old sand mastic that has cracked, crumbled or fallen out
- Tired mastic found when preparing windows for paint
For an older house near a landmark such as The Hart Plain Church, the joint between an old wall and a newer frame is usually the first place rain gets in.
What your quote should include
- When the joint can take water or movement
- Whether the sealant suits the joint
- How the colour is chosen
- Whether all the old sealant comes out first
Common questions in Wecock Farm
Is Wecock Farm in your area for sand mastic?
Yes. We work across London and the South East, and Wecock Farm is part of that. You can ring 0345 464 0079 or drop us an email and let us know what needs doing.
Can you help a landlord with a rental near Rowlands Castle station?
Yes, landlords and agents are among the people we work for. You can ring 0345 464 0079 or drop us an email with the details for a clear quote.
Where is Mr Mastic based?
Our base is Crawley, with over 20 years’ experience. Our area covers South East England, London and Scotland.
How long does sand mastic take?
It depends on the size of the job, but most jobs take a few hours per window, depending on the condition of the joints. We’ll give you a better idea when we quote.
Do the sealants smell?
It depends on the product. Some smell for a while, some hardly at all.
Is consent needed for window work on a listed home?
Checking first is sensible. Your local planning authority can say if consent is needed for listed or conservation-area properties.
Is it possible to take out silicone and use sand mastic instead?
Yes, we do this often. The old silicone has to come out completely so the mastic beds in well.
Will you leave a mess?
Not at all. The area is protected while we work and cleaned up afterwards.
For landlords and businesses
Landlords and agents in Wecock Farm can book us as well as householders. Resealing between tenancies is a simple way to keep a property in good order.
Whether it’s one flat or a portfolio, the work is the same standard: old sealant fully removed, joints prepared properly and a 12-month guarantee.
