West Berkshire · England
Sand mastic for sash & case windows in Wickham, West Berkshire
Sand mastic for Wickham and the surrounding area: the right sealant, proper preparation and a neat finish. Ask us for a quick quote.
- Draughts and rain around sash boxes
- Old sand mastic that has cracked, crumbled or fallen out
- Gaps round a timber door in stone or brick
How we handle sand mastic in Wickham
A silicone bead around a sash window can look out of place and is not always the right material. Sand mastic is the traditional choice, and we can replace one with the other. Common call-outs are for mastic worn away on windows facing the weather and window mastic to renew ahead of painting, on sash and case windows, tenement windows and period & listed homes.
Homes in small places like Wickham often stand in the open, with little to shelter their windows from wind and rain. Exposed frames and sills lose their mastic sooner than sheltered ones.
The work is covered for a year after we finish. If anything isn’t right with it, phone 0345 464 0079 or email us.
- Where
- Wickham (RG20)
- Region
- West Berkshire
- Guarantee
- A year, on every job
- Quote
- A clear quote up front
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
How to look after the new joints
So the new joints stay in good condition:
- Ask us before painting near the mastic
- Sort the mastic before the decorators arrive
- Have rotten timber repaired before new mastic goes in
- Clear gutters so water does not pour onto the windows
Keep gutters and sills clear so water runs away from the surround. Constant wetting wears the mastic faster.
Small cracks are a sign the mastic is ageing. It’s easier to renew it before it drops out.
Other services in Wickham
Landlords, agents and businesses in Wickham
In hotels, rooms out of use cost money, so the work can be planned room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.
Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements and we’ll give you a quote.
The process
We keep the work tidy and contained to the area we are working on. Expect the work to take anything from a few hours to a full day, depending on how many windows, and we tell you how long to leave it before we go. For a village or hamlet like Wickham, the journey is planned in advance: tell us about narrow lanes, gates, long drives and where we can park. We bring what the job needs, so it can be finished in one trip where possible.
- 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.
- The sand mastic is mixed and pressed into the joint by hand.
- We dress the finish so it sits neatly against the masonry.
How to prepare
- Tell us about access, such as stairs, a lift or high-level joints
- Try not to wet indoor joints just before the visit
- Clear the area around the work
Ask for a quote
Every job is quoted individually, so the first step is telling us about yours. Simply call 0345 464 0079 or send us an email and describe the job and send photos if you have them.
Read more
Frames and glazing around Wickham
Compared with the north and west, the South East gets less rain, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind. Historic houses like Benham Park (about 3.7 miles south-east) are a reminder that the area around Wickham has older buildings as well as new. In older buildings, older timber frames in brick or stone need a different approach from a modern uPVC window.
If you live in an older home near Church of St Swithin, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint. If you look after a building such as Welford and Wickham C.E. Primary School, its window and door frames need their mastic kept sound, just like a home’s. Letting a property close to Kintbury station? Then cracked sand mastic around sash windows lets in the draughts tenants complain about.
Wickham is about 6 miles north-west of Newbury, in West Berkshire. From the centre of Wickham to the outskirts, sand mastic is available for homes and businesses alike. Wickham is one of 155 towns and villages in West Berkshire we cover for sand mastic. Reading is on our list too, about 20 miles from Wickham.
Postcode districts we cover here for sand mastic: RG20. Sand mastic is available to properties on Welford Road, Baydon Road and Mant Close. If you are just outside Wickham, we cover Easton (1 mile east), Weston (1 mile north), Clapton (1 mile south-west), East Shefford (2 miles north) and Shefford Woodlands (2 miles north-west). Larger places within reach include Newbury (6 miles south-east), Thatcham (8 miles east), Speenhamland (5 miles south-east), Hungerford (4 miles south-west), Lambourn (6 miles north-west) and Shaw (6 miles south-east).
Around Wickham
We work in homes and buildings around The Five Bells pub and the streets around them. The closest station to Wickham is Kintbury station, roughly 3 miles south. Nearby you will also find Hamstead Marshall 3 (3.4 miles south-east). The countryside around Wickham includes Sole Common Pond.
How we quote for sand mastic
Call for a quick quote. What matters most is:
- Mould in or behind the old joints
- The number of rooms or windows
- When we can work, for business premises
- The number and length of the joints
We don’t show prices on the website, because each job is priced on what it involves. Call for a quick quote.
Helping us quote
To make quoting easier, let us know:
- The problem you’ve noticed
- How we’d reach the joints
- The rough size of the job
- Whether it’s a home or a business
We do not publish a price list, as no two jobs are quite the same. Instead, we give you a clear quote for your job. To get started, call 0345 464 0079 or send us an email.
DIY versus a professional finish
The biggest DIY mistake is sealing over old sealant. New silicone will not bond to old, so it lifts and traps water and mould underneath. Everything old must be removed first.
Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
Questions from Wickham
I let a flat near Kintbury station. Can you help?
Yes, landlords and agents are among the people we work for. Just call 0345 464 0079 or send us an email with the address and what needs doing, and we will give you a clear quote.
Do you cover smaller places like Wickham?
Yes, we do. Our work covers London and the South East, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.
Can sand mastic be painted?
Traditional guidance is not to paint over sand mastic. If you’re redecorating the window, ask us first and we’ll talk you through it.
How do I get a quote for sand mastic in Wickham?
We don’t publish prices, because the cost depends on the job: its size, the old material, access and the product needed. We agree the price before any work begins.
Do I need permission for sand mastic on a listed building?
Check with your local planning authority. They’ll tell you if consent is needed.
Can I do it myself?
For a simple, easy-to-reach joint, a careful DIYer can do a reasonable job. Most DIY failures come from sealing over old material, wet joints or too much sealant.
Will there be a smell?
Some sealants have a smell while they cure, which fades as it sets. Opening a window helps.
Which products do you use?
Each joint gets the product that suits it. Movement, water and weather all affect the choice, and we will explain our choice.
How the job changes by surface
Stone surrounds
Stone openings are rarely perfectly straight, so the joint varies in width. We shape it by hand to follow the stone.
Brick reveals
An open joint at a brick reveal lets weather in. New mastic seals the gap.
Why act early in Wickham
Not every filler suits an old window surround. Sand mastic matches what was there and that can be important for listed homes. Older cottages and farmhouses around Wickham can have timber floors and frames, and water through a failed joint can rot timber if it’s left.
What it costs depends on the size of the job, how hard the old material is to remove and access to the work. You will have a clear quote before any work starts, so you know where you stand.
Why book with us
- Trusted Arbo and Everbuild sealants
- Anti-fungal sanitary silicone in wet areas
- Homes, businesses and hotels
- Any old sealant cut out fully, not covered over
Read what affects the cost and customer reviews.