Medway · England
Window & door mastic in Sharnal Street, Medway
Mastic around window and door frames, sills and patio doors in Sharnal Street, with a one-year guarantee on every job. Call for a quick quote.
- Untidy mastic left by window fitters
- Leaking joints at the ends of sills
- Rain getting in at the frame or under the sill
Landlords, agents and businesses in Sharnal Street
We work for landlords and agents as well as homeowners. Sealant work between tenants keeps a property looking cared for 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.
About our window mastic in Sharnal Street
If you can feel air around a shut window, the gap is often at the frame. Resealing that joint can make a room feel noticeably less draughty and quietens the whistle on windy days. Where the air is getting in through the window itself, we will say so. We are often asked to deal with cracked internal joints between frame and plaster and a bead that doesn’t match the frame, on composite doors, uPVC windows and window sills.
Outdoor sealant needs dry, clean surfaces, so work on frames around Sharnal Street is planned for dry weather. Tell us about access to every side of the house, including upper-floor windows.
All of our work is guaranteed for twelve months.
- Location
- Sharnal Street (ME3)
- Region
- Medway
- Guarantee
- 12 months on all our work
- Quote
- A clear quote up front
- Call
- 0345 464 0079
- Updated
- 26 October 2026
Quotes for window mastic in Sharnal Street
There’s no set price list. What we look at:
- The product the joint needs
- The number of rooms or windows
- Whether old sealant or filler has to be cut out
- How much there is to do
Some things make a job bigger or smaller: the old material and how easily it comes out, whether mould needs treating, and whether the work is at height. Your quote takes all of that into account.
What we need to know
Before you ask for a quote, have a think about:
- The rough size of the job
- Any previous sealing or DIY work
- Any access issues, like height or stairs
- Where the property is
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.
How the visit works
On the day, there’s very little for you to do. Show us the job and we will take it from there. The job generally takes anything from an hour or two to a full day, depending on how many frames there are from start to finish. Somewhere like Sharnal Street needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. Everything for the job comes with us, so a second trip is avoided where possible.
- First, we go round the frames with you and agree the list.
- The old mastic is cut out and scraped back to clean surfaces.
- Deep gaps get closed-cell backing rod to set the depth.
- A flexible exterior sealant is applied in a colour to suit the frame.
- We tool each bead neatly and check every joint is closed.
Before we arrive
- Tell us if parking is tricky
- Keep children and pets away from the work area
- Tell us about any water getting in
Get a quote
Asking for a quote is easy: let us know what needs doing and where and its rough size. Photos by email help us understand the job.
Read more
Signs you need window mastic in Sharnal Street
Older frames were often sealed with products that set hard. Once it’s rigid, every bit of frame movement pulls at it, and a gap opens along one edge.
Most people get in touch after spotting something like this:
- Cracked sealant at the sill ends
- Draughts coming in around windows and doors
- Draughty joints inside around the window
- Damp patches on the reveal after heavy rain
If you live in an older home near Church of St Margaret, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
Questions to ask before booking
- Who turns up on the day
- What the quote includes, VAT included or not
- How the surfaces are prepared before sealing
- How long the guarantee is
Sharnal Street questions
Does living near the coast affect window mastic in Sharnal Street?
Near the sea, outside joints face more wind, rain and salt than they would inland, so preparation and the right sealant matter all the more. Walls facing the sea are generally the first to need attention.
Do you work for landlords with property near Gillingham (Kent) station?
Yes, we work for landlords and agents. You can phone 0345 464 0079 or send us an email with the address and a few details, and we will give you a fixed price before work begins.
Does someone need to be in?
It depends on the job. Inside work needs someone to give us access, and for outside work we will agree access with you when we book.
Can you seal the gap between the frame and the plaster indoors?
Yes. Outside is the weather seal; inside closes the gap to the plaster. We do one or both.
Is it messy?
Tidy work is part of the job. We protect what’s around the joints.
Can you quote for more than one area?
Yes. Just list everything you need and you’ll get one quote.
Do you cover Sharnal Street?
Yes. We cover Sharnal Street and the rest of Medway, as part of our work across South East England, London and Scotland. For a quote, call 0345 464 0079 or email us.
Will there be a smell?
Some sealants have a smell while they cure, which fades as it sets. Ventilation helps.
What sealant work can’t fix
A few problems are outside what sealant work can do:
- Soft or decayed wood in the frame
- Damp coming through the wall itself rather than the frame joint
- Broken hinges, locks or handles
Not sure which it is? You can ring 0345 464 0079 or send us an email and we will tell you honestly.
Joints and surfaces we work on
- Timber windows & doors
- Composite doors
- Patio & French doors
- uPVC windows
- Aluminium frames
- Window sills
Sharnal Street homes and the weather
Sharnal Street is within about 2 miles of the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. Both are hard on the mastic around window and door frames, which can dry out and crack sooner where a building faces the weather. Historic houses like Restoration House (about 4.9 miles south-west) are a reminder that the area around Sharnal Street 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.
For landlords with property near Gillingham (Kent) station, renewing tired window mastic between tenants heads off draught and damp complaints. If you look after a building such as High Halstow Primary Academy, the mastic around its windows and doors needs looking after like any other building’s.
Sharnal Street is about 5 miles north of Gillingham, in Medway. Jobs in Sharnal Street get the same care as everywhere else we work: old sealant removed completely, careful preparation and a one-year guarantee. Sharnal Street is one of 68 towns and villages in Medway we cover for window mastic. You can also see our page for Chelmsford, about 21 miles away.
Jobs for window mastic in ME3 is quoted and booked the same way as anywhere else. Nearby, we also carry out window mastic in Fenn Street (1 mile north-east), High Halstow (1 mile north-west), Tunbridge Hill (1 mile south-east), Kingsnorth (1 mile south-east) and Hoo St Werburgh (1 mile south-west). Larger places within reach include Gillingham (5 miles south), Chatham (6 miles south), Rochester (5 miles south-west), Rainham (6 miles south), Strood (5 miles south-west) and Luton (5 miles south).
What’s near Sharnal Street
Locally, jobs take us to homes and businesses close to The Hundred of Hoo Academy and The Red Dog Public House and the streets around them. The nearest railway station is Gillingham (Kent) station, roughly 3.9 miles south of the centre. Other landmarks nearby include Upnor Castle (3.2 miles south-west) and Medway Maritime Hospital (4.5 miles south). For a walk, there’s Bishop Saltings.
Keeping the joints in good condition
Once the sealant has cured, a few habits help it last:
- Avoid harsh chemicals near the mastic
- Clean frames with a soft cloth and soapy water
- Avoid blasting the frames with a pressure washer
- Ventilate rooms so frames do not stay wet inside
Check the drainage slots in the frames are not blocked, so water can run away instead of sitting against the joint.
Water trapped behind a failed joint can start rot in timber frames and sills. Once wood has rotted, it needs repair before it can be sealed, so early resealing is worth it.
Surface 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 keeps the clean look.
uPVC windows
Plastic frames move a lot between a hot afternoon and a cold night, so we use a flexible, low-modulus sealant. We match white, brown, anthracite grey and black frames.