Kent · England
Window & door mastic in Minster, Kent
Mastic around window and door frames, sills and patio doors in Minster, with a one-year guarantee on every job. Call for a quick quote.
- Cracked or shrunken mastic around the frame
- White mastic on grey or black frames
- Cracked sealant at the sill ends
Common questions in Minster
Do you work for landlords with property near Minster station?
Yes, we work for letting agents and landlords. You can phone 0345 464 0079 or drop us an email with the address and a few details, and we will give you a fixed price before we start.
Is Minster within the area you cover?
Yes. Minster is within the area we cover, which takes in towns, villages and rural addresses. We work across London and the South East. Just mention lanes, gates or anything else about the route when you book.
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.
Can you do the inside joint as well?
Yes. Plenty of draughts come through the inside joint as well as the outside, so it can be worth sealing both.
How long does it take to reseal the windows on a house?
A few frames take a few hours. We confirm the timing with your quote.
Will new mastic stop draughts?
Often, yes. The gap between frame and wall is a common source of draughts, and sealing the inside and outside joints closes that path.
Is the work guaranteed?
Yes, for 12 months. Keeping drainage clear and checking the joints yearly helps them last.
Do I have to be there?
That depends on where the joints are. For work indoors, someone needs to let us in.
About our window mastic in Minster
Every window and door frame has a gap around it, and mastic is what closes it. Once that seal fails, wind and rain find the gap. The old mastic is removed and the joint resealed with a flexible exterior sealant. We work on composite doors, aluminium frames and patio & French doors, and people most often call us about whistling draughts around closed windows and white mastic on grey or black frames.
In a village or hamlet like Minster, older cottages and farmhouses often have timber windows set in stone or brick. Not every older frame suits a modern silicone bead, so the sealant has to be chosen to suit the building.
There’s a 12-month guarantee on every job, whatever its size.
- Location
- Minster (CT12)
- Region
- Kent
- Cover
- 12 months on all our work
- Quotes
- A clear price before we start
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
Places near Minster
Other services in Minster
Can I do it myself?
What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is matched to the joint and its conditions.
A careful DIYer can reseal a simple joint, 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.
What we do, step by step
We work through the job in order: protection first, then preparation, sealing and a tidy-up. Typically it takes a few hours for a handful of frames, longer for a whole house, and the area is left clean. Somewhere as small as Minster, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We check how each frame can be reached safely.
- All the failed sealant is cut away, along with any loose debris.
- 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
- For business premises, tell us about site rules or sign-in
- Try not to wet indoor joints just before the visit
- Tell us about any previous sealing or DIY attempts
Getting a quote
Call for a quick quote, or email us if that is easier. Describe what needs sealing and we will explain what’s involved and give you a clear price.
Advice
Looking after it afterwards
After the cure time, these simple habits help:
- Wipe condensation off the frames
- Keep paint off silicone joints
- Avoid harsh chemicals near the mastic
- Walk round the house once a year and look at the joints
A yearly look round the frames is enough. Cracks and lifting edges are easy to spot early.
Water trapped behind a failed joint can start rot in timber frames and sills. Rotten timber needs a joiner, not a sealant, so early resealing is worth it.
Frames and glazing around Minster
Minster is close to the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. That’s hard on the mastic around window and door frames, especially on the side facing the sea. With historic houses such as Quex Park (about 2.4 miles north) nearby, there’s older building stock in the area around Minster as well as newer homes. 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.
For an older house near a landmark such as Church of Saint Mary the Virgin, frames set in older brick or stone need a sealant that suits the wall as well as the frame. For landlords with property near Minster station, cracked frame mastic tends to show up as a draught or damp complaint, so it’s worth checking between lets.
Minster is about 4 miles west of St Lawrence, in Kent. Every kind of property in Minster is covered for window mastic, old or new, large or small. The work is guaranteed for a year. Our area takes in 922 places across Kent, from the larger towns to small villages. Chelmsford is on our list too, around 45 miles away.
All of CT12 is covered for window mastic, from the main roads to the quietest streets. We cover properties on Cheney Road, Thorne Road and High Street. If you’re just outside Minster, we cover Mount Pleasant (1 mile north-east), Way (1 mile east), Acol (2 miles north), Sevenscore (2 miles east) and Ebbsfleet (2 miles south-east). We also work in nearby towns such as Canterbury (10 miles west), Margate (5 miles north-east), Dover (13 miles south), Ramsgate (4 miles east), Broadstairs (6 miles east) and Whitstable (12 miles west).
Landmarks near Minster
We work in homes and buildings around The Bell Inn and the streets around them. The nearest railway station is Minster station, roughly 0.5 miles south-east of the centre. Well-known places in the area include RAF Manston History Museum (2.1 miles north-east) and Ramsgate General Hospital (4.4 miles east). Green spaces nearby include Sandwich and Pegwell Bay.
When to call us in Minster
A lot of older mastic was never designed to stay flexible. Once it has hardened, the frame’s movement tears it from the wall, leaving a hairline gap down one side.
Look out for any of the following:
- Leaking joints at the ends of sills
- Rain getting in at the frame or under the sill
- Gaps left after new windows were fitted
- Draughty joints inside around the window
For site and facilities teams at buildings such as Minster Church of England Primary School, its window and door frames need their mastic kept sound, just like a home’s.
What to look for in a quote
- What preparation is included
- Which colour the sealant will be
- Are they insured?
- What product goes in the joint
Honest limits
We’d rather tell you now than do work that won’t last, so these are the limits:
- Damp coming through the wall itself rather than the frame joint
- Condensation trapped between the panes
- Rotten timber, which needs a joiner first
If you’re not sure, just ring 0345 464 0079 or drop us an email and we will give you a straight answer before you book.
Where we work in Minster
- Window sills
- Timber windows & doors
- uPVC windows
- Patio & French doors
- Aluminium frames
- Composite doors
Why act early in Minster
Not every sealant suits a window. Interior caulk and bathroom silicone aren’t made for exterior frame joints. An exterior, low-modulus sealant stays flexible in sun and frost. In a small place like Minster, homes can be exposed to wind and rain, which finds any gap, and older walls, once damp, take a long time to dry.
Commercial jobs are quoted on the same basis as homes: the amount of work, the access and the products needed, along with when we can work on site. Ask us for a quote and we will go through it with you.
Why Minster customers choose us
- Sanitary silicone with an anti-fungal additive in wet areas
- Approved under the ARBOMaster scheme
- 12-month guarantee on every job
- Quality sealants from Arbo and Everbuild
Take a look at how sealant jobs are priced or our reviews.
What affects the quote in Minster
Jobs vary more than people expect. What affects the quote:
- Whether the work is at height
- How many areas need sealing
- The amount of work
- Any working-time requirements on site
Doing several joints on one visit is generally more efficient than separate visits, so it’s worth mentioning everything you’d like done. You’ll get one clear quote for the whole job.
Helping us quote
To make quoting easier, please include:
- Roughly how big the job is
- Pictures of the joints, sent by email
- Any previous sealing or DIY work
- Access, such as stairs, a lift or height
A good description makes for an accurate quote. Tell us where the job is, what’s wrong and how much there is, and email pictures if that is easy.