Windsor and Maidenhead · England
Boveney Sand Mastic
Professional sand mastic in and around Boveney, with every bit of old sealant taken out first and a one-year guarantee.
- Window mastic to renew ahead of painting
- Wind and rain getting in round a sash window
- Gaps between timber frames and stone or brick
How we handle sand mastic in Boveney
Sand mastic skins over fairly quickly but full hardening takes longer. Traditionally, sand mastic is left unpainted and we will advise if you are redecorating. We work on tenement windows, brick reveals and timber door frames, and people most often call us about weathered mastic on the most exposed windows and gaps between timber frames and stone or brick.
Mastic can only go onto a dry, clean joint, so window work in Boveney is booked around the forecast. Let us know about access to all the frames, upstairs ones included.
Whatever the size of the job, you get the same 12-month guarantee in Boveney and across Windsor and Maidenhead.
- Location
- Boveney (SL4)
- Region
- Windsor and Maidenhead
- Guarantee
- One year on every job
- Price
- A clear price before any work starts
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
How it works
When we arrive, we start by going over the job with you, so there are no surprises. Surfaces next to the work are protected before we start. Most jobs take a few hours for a single window, longer for several. Somewhere as small as Boveney, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- First we agree which joints need doing.
- Old mastic and any loose material are raked out.
- We pack any deep voids first.
- 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 any previous sealing or DIY attempts
- Where the joints are inside, avoid wetting them before we arrive
- Move anything stored near the joints
How to get a quote
If you’re in Boveney and need sand mastic, call 0345 464 0079 or send us an email. A short description of the job and where it is helps us quote, and you’ll get a clear quote before we start.
Advice
Quotes for sand mastic in Boveney
Call for a quick quote. The main things that affect it are:
- Any mould that needs treating
- The number and length of the joints
- The type of sealant required
- How easy the joints are to reach
Homes and businesses are quoted the same way: the amount of work, how we reach it and what it needs. Ask us for a quote and we will explain what it covers.
Helping us quote
When you call or email, these details help:
- What the problem is, such as mould, gaps, leaks or cracking
- Whether it’s a home or a business
- If someone has resealed it before
- Access, such as stairs, a lift or height
A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints.
Also near Boveney
Also in Boveney
Boveney: your questions answered
Is Boveney within the area you cover?
Yes, we do. We work across London and the South East, and smaller places are part of that. Longer journeys are simply planned in advance.
Can you do sand mastic in Boveney?
Yes, Boveney is within the area we cover. We work across London and the South East. You can phone 0345 464 0079 or email us and tell us what needs doing, and we’ll give you a clear quote.
Is it OK to seal over old sealant?
No. We remove every bit of old sealant first.
Do you work for hotels and businesses?
Yes. We work in offices, washrooms, hotels and other commercial premises, as well as homes. We can talk about working times when we quote.
What sealant do you use?
We choose the sealant for the joint, not the other way round. Where it moves, gets wet or faces the weather makes a difference, and we’ll tell you what we are using.
Should I try DIY first?
Some simple jobs can be done by a careful DIYer. The usual mistakes are sealing over old sealant, sealing a damp joint and using too much.
How long will you be here?
Typically it takes a few hours for a single window, longer for several. Bigger jobs take longer.
Are you ARBOMaster approved?
Yes. We’re approved under the ARBOMaster scheme, the approved applicator scheme for Arbo sealants.
How the job changes by surface
Brick reveals
Gaps between frame and brick let in rain and draughts. Renewing the mastic closes it.
Period and listed homes
On a listed home or in a conservation area, the right material matters. Like-for-like sand mastic is normally favoured.
DIY versus a professional finish
A careful DIYer can reseal a simple joint, such as a straightforward joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
If you do try it yourself, take your time over the preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it fails, we can still redo it.
Honest limits
We will not take on work that will not last, so here’s what sealant cannot put right:
- Sashes that need overhauling
- Decisions on consent for listed homes
- Cracked or broken glass
Not sure which it is? You can call 0345 464 0079 or email us and we will tell you honestly before you book.
Joints and surfaces we work on
- Period & listed homes
- Brick reveals
- Stone surrounds
- Timber door frames
- Tenement windows
- Sash and case windows
Frames and glazing around Boveney
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. Historic houses like Dorney Court (about 1.2 miles north-west) are a reminder that the area around Boveney 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.
Rented homes near Windsor & Eton Central station change hands often, and any sash windows need sound mastic to keep draughts and rain out. Homes close to St Mary Magdalene's Church include some older properties, and the joint between an old wall and a newer frame is usually the first place rain gets in. Managing a site like Homer First School and Nursery? Then larger buildings have plenty of frames, and the mastic around each one ages.
Boveney is about 1 mile north-west of Windsor, in Windsor and Maidenhead. Boveney gets the same service as everywhere we cover: old sealant removed completely, careful preparation and a 12-month guarantee. Boveney is one of 57 places in Windsor and Maidenhead where we work. There’s also a page for Reading, roughly 14 miles from Boveney.
Jobs for sand mastic in SL4 works the same way as everywhere else we cover. Other places close to Boveney include Eton Wick (1 mile north-east), Dedworth (1 mile south), Clewer (1 mile east), Oakley Green (1 mile south-west) and Windsor (1 mile south-east). Within a short drive, we also cover Maidenhead (4 miles north-west), Boyn Hill (4 miles west), North Ascot (5 miles south), Cookham (6 miles north-west), Furze Platt (5 miles north-west) and Broomhall (7 miles south).
What’s near Boveney
We work in homes and buildings around Shepherds Hut pub, Sutherland Grange and The Windsor Boys' School. Boveney’s nearest station is Windsor & Eton Central station, about 1.7 miles east. Other landmarks nearby include Windsor Castle (1.9 miles east) and King Edward VII Hospital (1.9 miles south-east). The countryside around Boveney includes Bray Pit and Taplow Lake.
Why deal with it now?
New sash windows are a major, costly change, and in listed buildings it may need consent. Where the frames are in good order, new mastic seals the surround. Older cottages and farmhouses around Boveney 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 much old material has to come out and how easy the joints are to reach. You’ll have a clear quote before any work starts, so you know where you stand.
Why Boveney customers choose us
- Tidy, careful work
- Every job guaranteed for a year
- 20+ years of sealant experience
- Rated 4.9 stars on Google
Take a look at how sealant jobs are priced or customer reviews.
Landlords, agents and businesses in Boveney
We work for landlords and agents as well as householders. Sealant work between tenants is a simple way to keep a property in good order before the next move-in.
Businesses can book us for washrooms, kitchens, offices and more. For commercial premises, we can talk through working times when we quote.