Kent · England
Cliftonville Window Mastic
Window mastic across Cliftonville and nearby, with every bit of old sealant taken out first and a 12-month guarantee.
- Whistling draughts around closed windows
- Gaps between the frame and the inside reveal
- A bead that doesn’t match the frame
How we handle window mastic in Cliftonville
A window frame and the wall around it expand and shrink at different rates. Heat and cold make frames grow and shrink against brick or render that hardly moves. That’s why the joint needs a flexible, low-modulus sealant rather than something rigid. We work on aluminium frames, composite doors and patio & French doors, and people most often call us about untidy mastic left by window fitters and leaking joints at the ends of sills.
Houses in smaller places like Cliftonville can stand more in the open than those in a built-up town. That is hard on the mastic around frames and sills.
The work is covered for a year after we finish. If there’s a problem with it, please phone 0345 464 0079 or drop us an email.
- Location
- Cliftonville (CT9)
- Wider area
- Kent
- Guarantee
- 12 months on all our work
- Quotes
- Quoted before any work starts
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
Your questions about window mastic in Cliftonville
Is window mastic in a coastal place like Cliftonville any different?
Near the coast, wind-driven rain and, nearer the shore, salt air make outside sealant work harder. The right product, a clean joint and the right depth all help it cope.
Will you come out to Cliftonville?
Yes, we do. Our work covers London and the South East, from towns to the smallest places. Longer journeys are simply planned in advance.
Are you an approved applicator?
Yes. We hold ARBOMaster approved applicator status, and we’re fully insured.
Can you match the sealant to my frames?
Yes. We can use white, brown, anthracite grey, black or clear.
Is there any odour?
Some sealants have a smell while they cure. Opening a window helps.
Will resealing my frames help with draughts?
It will if the frame joint is the problem. We find where the air is coming from before we reseal.
Do you seal inside as well as outside?
Yes. Plenty of draughts come through the inside joint as well as the outside, so it can be worth sealing both.
Where are you based?
We’re a Crawley-based firm. We work across South East England, London and Scotland.
Different surfaces, different methods
Aluminium frames
Metal frames expand in the sun and are often slim, with little room for error. A tidy bead in anthracite grey, black or a matching colour keeps the clean look.
Window sills
Where a sill meets brick or render, the ends often crack first. A tight seal at each end keeps rain out of the wall.
Why it’s worth doing now in Cliftonville
A quick bead over the top of old mastic looks like an easy fix, but new sealant can’t bond to old, crumbling mastic. It peels before long, and water still gets in behind. Proper resealing starts with removing the old joint. In an older home around Cliftonville, damp from a failed joint can get into timber and plaster, which is far harder to put right than the sealant itself.
Leaving a failed joint generally makes the job bigger, not smaller. If you’re not sure whether it needs doing, call 0345 464 0079 or send us an email for an honest opinion and a quote.
What you get with us
- More than 20 years in sealant work
- Fully insured
- Colour picked to suit the job
- Anti-fungal silicone where joints get wet
Honest limits
We’d rather tell you now than do work that won’t last, so these are the limits:
- Soft or decayed wood in the frame
- Penetrating damp from a failed cavity tray or render
- Faulty window hardware
Not sure which it is? You can phone 0345 464 0079 or email us and we will tell you honestly.
Joints and surfaces we work on
- Patio & French doors
- Timber windows & doors
- uPVC windows
- Composite doors
- Aluminium frames
- Window sills
Can I do it myself?
Some sealant jobs are within reach of a careful DIYer, such as a straightforward joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
Sealing over old silicone is the commonest DIY error. New silicone won’t bond to old, so it peels away and traps moisture behind it. All the old material has to come out first.
How the visit works
We keep the work tidy and contained to the joints we’re treating, so you can get on with your day. Expect the work to take a morning for a couple of windows and a door, and we tell you how long to leave it before we go. For a job in Cliftonville, we agree the time, the access and parking before the day. Outdoor jobs depend on a dry day, since sealant needs a dry surface.
- We start by checking each window and door with you.
- Next the failed sealant is cut away and the joint cleaned.
- Deep gaps are filled with backing rod to set the depth.
- We apply a weatherproof sealant to match the frame and tool it neatly.
- Every joint is checked before we leave.
Getting ready for the visit
- Move anything stored near the joints
- Let us know about earlier repairs to the joints
- On commercial sites, let us know about site rules
Getting a quote
We do not publish a price list, as no two jobs are quite the same. Instead, your job gets its own clear quote. To get started, phone 0345 464 0079 or send us an email.
Related advice
Window mastic in Cliftonville: local notes
Cliftonville is close to the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. Both are hard on the mastic around window and door frames, which can dry out and crack sooner where a building faces the weather. Rainfall in the South East is lower than in much of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
Rented homes near Margate station change hands often, and renewing tired window mastic between tenants heads off draught and damp complaints. For an older house near a landmark such as Church of St Paul, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint. For site and facilities teams at buildings such as Cliftonville Primary School, the mastic around its windows and doors needs looking after like any other building’s.
Cliftonville is about 1 mile north-east of Margate, in Kent. Whether you’re in the middle of Cliftonville or further out, window mastic is available for homes and businesses alike. Across Kent, we cover 922 places, Cliftonville among them. There’s also a page for Chelmsford, roughly 46 miles from Cliftonville.
Work in CT9 works the same way as everywhere else we cover. You’ll find streets such as Gap Road, Sweyn Road and Holly Lane. We also cover the places around Cliftonville: Palm Bay (1 mile north-east), Northdown (1 mile east), Kingsgate (2 miles east), St Peter's (2 miles south) and Broadstairs (2 miles south-east). We also work in nearby towns such as Ramsgate (3 miles south), Deal (12 miles south), Herne Bay (12 miles west), Walmer (13 miles south), St Lawrence (4 miles south) and Newington (3 miles south).
What’s near Cliftonville
Around Cliftonville, our work takes us to homes and buildings near Hartsdown Academy and Clifton Arms Public House. Cliftonville’s nearest station is Margate station, about 1.4 miles west of the centre. Nearby you’ll also find Public Library & Museum (Camborne) (0.7 miles west) and Westwood Cross (2.1 miles south).
Landlords, agents and businesses in Cliftonville
Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.
Failed sealant is one of the commonest items on a check-out report. Several properties can be quoted together.
Looking after it afterwards
Good habits help new joints last longer. A few tips:
- Wipe condensation off the frames
- Keep timber frames painted
- Don’t use solvent cleaners on the joint
- Keep jet washers away from the mastic
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.
Look out for the warning signs: cracks in the mastic, gaps you can see light through, damp on the reveal or mould around the inside of the frame. If you notice one, it’s time to get the joint looked at.