Slough · England
Fulmer Window Mastic
Window mastic across Fulmer and nearby, with old sealant always removed completely.
- Untidy mastic left by window fitters
- Mastic that has split away from the wall
- Mastic that’s falling out in pieces
About our window mastic in Fulmer
The new joint does not have to be white. White, brown, anthracite grey, black and clear sealants are all available, so the bead blends with the window rather than framing it. We work on uPVC windows, aluminium frames and timber windows & doors, and the jobs we see most are old mastic that has gone black or come away and mastic that has split away from the wall.
Mastic can only go onto a dry, clean joint, so window work in Fulmer is booked around the forecast. Tell us about access to every side of the house, including upper-floor windows.
Each job carries a 12-month guarantee.
- Place
- Fulmer (SL3)
- Wider area
- Slough
- Guarantee
- 12 months on all our work
- Quotes
- A clear quote up front
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
Landlord and commercial work in Fulmer
In hotels, rooms out of use cost money, so we plan the work room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.
Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.
More services for Fulmer
Fulmer: your questions answered
Will you come out to Fulmer?
Yes. Fulmer is within the area we cover, which takes in towns, villages and rural addresses. Our work covers London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
I let a flat near Gerrards Cross station. Can you help?
Yes, landlords and agents are among the people we work for. You can call 0345 464 0079 or drop us an email with the details for a clear quote.
Can you reach windows above the ground floor?
Generally, yes. Access is planned before any work starts.
Can you work on commercial sites?
Yes. Hotels, offices and other businesses use us.
Will it make a mess?
We keep the work tidy. We protect what’s around the joints, and we clear up when we are done.
How much does window mastic cost in Fulmer?
There’s no set price, as it depends on the job: its size, the old material, access and the product needed. You will get a clear quote before we start.
Do you have insurance?
Yes. Full insurance covers our work.
Which products 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 explain our choice.
Common problems we fix in Fulmer
Timber windows bring their own problems. Mastic painted over many times cracks with the paint, and the wood moves with damp as well as heat.
Look out for these signs:
- Cracked internal joints between frame and plaster
- Rushed sealant from a window installation
- Damp patches on the reveal after heavy rain
- Gaps where the sill meets the wall
If you live in an older home near Church of St James, the joint between an old wall and a newer frame is normally the first place rain gets in.
Questions to ask before booking
- Whether they seal over old material or remove it
- The length of the guarantee
- Whether you can choose the colour
- How the surfaces are prepared before sealing
How the visit works
When we arrive, we look over the joints with you first, so there are no surprises. We protect the surfaces around the joints before any work begins. Most jobs take anything from an hour or two to a full day, depending on how many frames there are. In a small place like Fulmer, access is usually the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- First, we confirm safe access to each frame.
- Old, cracked mastic is removed completely.
- Frame and wall are cleaned and must be dry before sealing, and primed where the sealant calls for it.
- Backing rod fills deep voids and the sealant goes in on top.
- The joint is shaped to shed water and the area tidied.
How to prepare
- Mention if the joints have been sealed before
- Tell us about access, such as stairs, a lift or high-level joints
- Clear items away from the joints we’re working on
Getting a quote
If you are in Fulmer and need window mastic, phone 0345 464 0079 or email us. Tell us what the problem is and where, and you’ll get a clear quote before work begins.
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What sealant work can’t fix
Some problems need a builder, plumber or other trade rather than us:
- Rotten timber, which needs a joiner first
- Draughts through the window seals rather than the frame
- A sash or casement that won’t close properly
If in doubt, ring 0345 464 0079 or drop us an email and we will say what we think before booking.
Joints and surfaces we work on
- uPVC windows
- Timber windows & doors
- Aluminium frames
- Patio & French doors
- Window sills
- Composite doors
Window mastic in Fulmer: local notes
London and the South East are among the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
For site and facilities teams at buildings such as Fulmer Infant School, its window and door frames need their mastic kept sound, just like a home’s. Letting a property close to Gerrards Cross station? Then cracked frame mastic tends to show up as a draught or damp complaint, so it’s worth checking between lets.
Fulmer is about 4 miles north-east of Slough, in Slough. Jobs in Fulmer get the same care as everywhere else we work: the old material taken out, joints prepared properly and a 12-month guarantee. Fulmer is one of 31 towns and villages in Slough where we work. For nearby work, see our London page.
All of SL3 is covered for window mastic. That includes homes and businesses on Fulmer Road, Alderbourne Lane and Hay Lane and the roads around them. We also cover the places around Fulmer: Tatling End (1 mile north-east), Wexham Street (1 mile south-west), Gerrards Cross (1 mile north), Stoke Poges (2 miles south-west) and Rush Green (2 miles east). Further out, we also cover Slough (4 miles south-west), Cippenham (5 miles south-west), Chalvey (4 miles south-west), Britwell (3 miles south-west), Langley (4 miles south) and Upton (4 miles south).
Landmarks near Fulmer
In Fulmer, that means homes and buildings near Bulstrode Park, The Black Horse Public House and Khalsa Secondary Academy, among other places. The closest station to Fulmer is Gerrards Cross station, about 1.9 miles north of the centre. Other landmarks nearby include British Airways Heritage Collection (3.5 miles south-east) and Wexham Park Hospital (2.2 miles south). Green spaces nearby include Horse Shoe Bay and Stoke Common.
How to look after the new joints
No joint lasts for ever, but care makes a real difference. Our tips:
- Do not paint over the silicone
- Keep drainage slots and sill grooves clear
- Look round the frames every year or so
- Wash the frames with mild soapy water
On timber frames, keep the paintwork in good order, since wood that gets wet swells and shrinks more. Paint up to the joint, not over the silicone.
A failed joint lets water into the wall a little at a time. You might not see it until plaster blows or a damp patch appears inside. Early resealing stops it reaching that point.
What affects the quote in Fulmer
Some jobs are bigger than they look, and some smaller. The main factors:
- Whether old sealant or filler has to be cut out
- When we can work, for business premises
- The number of rooms or windows
- Access and height
No two jobs are quite the same, so each one gets its own quote. The number of joints, how easy they are to reach and the sealant needed all play a part, and we will explain the quote if you ask.
Asking for a quote
When you call or email, it’s useful to know:
- Any access issues, like height or stairs
- The address or postcode of the job
- What the problem is, such as mould, gaps, leaks or cracking
- Roughly how big the job is
Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we will explain how we’d tackle it. When it suits you, call 0345 464 0079 or drop us an email.
DIY sealant or a professional job?
Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.