Windsor and Maidenhead · England
Furze Platt Window Mastic
Mastic around window and door frames, sills and patio doors in Furze Platt, with a 12-month guarantee on every job. Ask us for a quote.
- Damp patches on the reveal after heavy rain
- Untidy mastic left by window fitters
- Draughts coming in around windows and doors
Questions from Furze Platt
Do you cover Furze Platt for window mastic?
Yes. We work across London and the South East, and Furze Platt is part of that. You can call 0345 464 0079 or email us and let us know what needs doing, and we will give you a clear price.
I let a flat near Furze Platt station. Can you help?
Yes. We work for landlords and agents as well as householders, and several properties can be quoted together. You can call 0345 464 0079 or send us an email with the details for a clear quote.
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.
Is it messy?
We keep the work tidy. Nearby surfaces are protected, and we clear up when we are done.
Will new mastic stop draughts?
If the draught is coming in around the frame, yes. If it’s coming through the window seals, we will tell you.
What sealant do you use?
Quality sealants from brands including Arbo and Everbuild, chosen to suit the joint. We explain the product when we quote.
Do I have to be there?
Access is agreed with you when the job is booked. For inside work, that normally means someone being in.
How long before the joint can be used?
That depends on the sealant used, so follow the cure time we give you when we finish.
About our window mastic in Furze Platt
Around Furze Platt we seal all kinds of frames: uPVC, aluminium, timber and composite, along with patio doors, French doors and sills. Each gets a sealant chosen for the frame and the wall it meets. We work on timber windows & doors, uPVC windows and aluminium frames, and the jobs we see most are rushed sealant from a window installation and draughty joints inside around the window.
Houses in smaller places like Furze Platt can stand more in the open than those in a built-up town, so exposed windows and doors face the weather head on. That is hard on the mastic around frames and sills.
Our work is backed for twelve months, and the guarantee is the same wherever you are.

- Place
- Furze Platt (SL6)
- Wider area
- Windsor and Maidenhead
- Guarantee
- 12 months on all our work
- Quotes
- A clear quote up front
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
How the visit works
When we get to you, we check the joints match what you told us. If anything is different, we explain it before carrying on. After that, the work takes a few hours for a handful of frames, longer for a whole house. In a smaller place like Furze Platt, 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.
- We check each frame and agree which ones need doing.
- The old mastic is cut out and the surfaces cleaned back.
- Deep gaps are filled with backing rod to set the depth.
- New exterior sealant goes on in a matching colour and is tooled smooth.
- Every joint is checked before we leave.
Getting ready for the visit
- Mention any sign-in or site rules at work premises
- Let us know about stairs, lifts or work at height
- Let us know about parking restrictions
Get a quote
For window mastic in Furze Platt, phone 0345 464 0079 or drop us an email. Tell us what the problem is and where, and you will get a clear quote before we start.
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How the job changes by surface
Aluminium frames
Metal frames expand in the sun and are often slim, with little room for error. A neat, narrow bead in a colour to match suits the frame.
Patio & French doors
Water at the foot of a door frame is not always the mastic: worn seals, blocked drainage slots or a poor threshold detail can be the cause. We look for the cause first.
Landlords, agents and businesses in Furze Platt
If you manage several properties in or around Furze Platt, several properties can go on one quote. Send us the addresses and the work at each, and pictures by email help.
We also work for property managers and facilities teams. Several sites can go on one quote.
When it is not the sealant
New sealant can’t fix everything, and we will tell you before we start. It won’t solve:
- Rotten timber, which needs a joiner first
- Misting between the panes of a double-glazed unit (that needs a new unit)
- Broken hinges, locks or handles
If in doubt, call 0345 464 0079 or send us an email and we’ll say what we think before you book.
Surfaces we seal
- uPVC windows
- Aluminium frames
- Composite doors
- Timber windows & doors
- Window sills
- Patio & French doors
Places near Furze Platt
What else we do in Furze Platt
Leave it or put it right?
Choosing the product is half the job. Interior caulk and bathroom silicone are not made for exterior frame joints. An exterior, low-modulus sealant stays flexible in sun and frost. In a smaller place like Furze Platt, wherever a wall is exposed, a failed outside joint is a real source of damp. Inside, a split seal lets water into floors and panels just as it would anywhere.
What it costs depends on the size of the job, how hard the old material is to remove and access to the work. You’ll have a clear quote before any work starts, so you know where you stand.
Why us?
- You choose the colour before work begins
- Any old sealant cut out fully, not covered over
- Sanitary silicone with an anti-fungal additive in wet areas
- Full insurance on every job
Take a look at how sealant jobs are priced or what customers say.
Aftercare tips
No joint lasts for ever, but care makes a real difference. A few tips:
- Do not aim a pressure washer at the joints
- Paint up to the joint, not over it
- Keep paint and stain on wooden frames in good order
- Make sure the drainage slots are not blocked
Silicone can’t normally be painted, so mention any painting plans before we start. There are paintable sealants for joints that need it.
A small gap around a frame only grows. As old mastic keeps shrinking, the gap widens, and a cold room gets colder. Resealing closes it.
Furze Platt homes and the weather
Historic houses like Cliveden (about 2.6 miles north-east) are a reminder that the area around Furze Platt has older buildings as well as new. Where a home is older, older frames set in brick or stone need a sealant that suits them, and sometimes that’s traditional sand mastic. 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.
If you look after a building such as Furze Platt Senior School, the mastic around its windows and doors needs looking after like any other building’s. If you let a flat or house near Furze Platt station, sound mastic around windows and doors keeps out the draughts and damp that tenants notice first. For an older house near a landmark such as Church of St Peter, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
Furze Platt is about 1 mile north of Maidenhead, in Windsor and Maidenhead. Jobs in Furze Platt get the same care as everywhere else we work: the old material taken out, joints prepared properly and a 12-month guarantee. 57 places in Windsor and Maidenhead are on our list, large and small. For nearby work, see our Reading page, about 12 miles away.
We cover every part of SL6 for window mastic and the streets around it. Window mastic is available to properties on Camden Road, Harrow Lane and Bridle Road and the roads around them. Other places close to Furze Platt include Maidenhead (1 mile south), Pinkneys Green (1 mile west), Cookham Dean (2 miles north), Cookham (2 miles north) and Boyn Hill (2 miles south). Within a short drive, we also cover Windsor (6 miles south-east), North Ascot (8 miles south), Dedworth (6 miles south-east), Broomhall (11 miles south-east), South Ascot (10 miles south) and Old Windsor (9 miles south-east). Being one of Windsor and Maidenhead’s larger places, Furze Platt has homes, rented property and businesses of every kind.
Around Furze Platt
Typical jobs here are in homes near Braywick Park, St Piran's School and Furze Platt Junior School. Furze Platt has its own railway station: Furze Platt station. Other landmarks nearby include The Reitlinger Bequest Museum (1.7 miles south-east) and St Mark's Hospital (0.8 miles south-west). Not far away are Weycock Hill and Taplow Lake.
Should I try it myself first?
Some sealant jobs are within reach of a careful DIYer, such as a straightforward joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
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.
