Isle of Wight · England
Window & door mastic in Thorley, Isle of Wight
Window mastic across Thorley and nearby, with every bit of old sealant taken out first.
- Whistling draughts around closed windows
- Damp patches on the reveal after heavy rain
- Cracked internal joints between frame and plaster
About our window mastic in Thorley
There are two joints on most windows. The external joint is the weather seal; inside, the joint between frame and plaster stops draughts and tidies the reveal. Either or both can be done. Common call-outs are for gaps where the sill meets the wall and rain getting in at the frame or under the sill, across composite doors, window sills and uPVC windows.
Mastic can only go onto a dry, clean joint, so window work in Thorley is booked around the forecast. Tell us about access to every side of the house, including upper-floor windows.
Big or small, you get the same one-year guarantee in Thorley and across the Isle of Wight.
- Place
- Thorley (PO41)
- Wider area
- Isle of Wight
- Cover
- A year, on every job
- Quotes
- A clear quote up front
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
What sealant work cannot fix
New sealant cannot fix everything, and we’d rather say so up front. Sealant won’t put right:
- Condensation trapped between the panes
- Draughts through the window seals rather than the frame
- Damp problems in the wall away from the window
Not sure which it is? You can ring 0345 464 0079 or email us and we will tell you honestly.
Joints and surfaces we work on
- Aluminium frames
- Timber windows & doors
- Composite doors
- uPVC windows
- Patio & French doors
- Window sills
What window mastic looks like in Thorley
Thorley 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 Mottistone Manor (about 3.7 miles south-east) nearby, there’s older building stock in the area around Thorley as well as newer homes. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that’s traditional sand mastic.
If you live in an older home near St. Swithin's Church, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
Thorley is about 5 miles south-east of Lymington, in the Isle of Wight. Anywhere in PO41, we cover window mastic for homes and businesses. We cover 125 towns and villages across the Isle of Wight, from the larger towns to small villages. You can also see our page for Southampton, roughly 16 miles from Thorley.
We work across PO41 for window mastic. Nearby, we also carry out window mastic in Thorley Street (1 mile east), Wellow (1 mile south-east), Ningwood (2 miles east), Shalcombe (2 miles south-east) and Newbridge (2 miles east). Further out, we also cover Newport (8 miles east), Ryde (14 miles east), Cowes (8 miles north-east), Sandown (14 miles east), Shanklin (14 miles east) and Ventnor (13 miles south-east). Island and remote addresses take a little more planning, so tell us where you are when you ask for a quote.
Around Thorley
For rail, the closest station is Lymington Pier station, about 4.9 miles north-west of the centre. A little further out are Yarmouth Castle (1.4 miles north-west) and Ferguson Family Museum (1.7 miles west). Green spaces nearby include Lymington and Keyhaven Marshes Nature Reserve and Compton Down.
Looking after it afterwards
So the new joints stay in good condition:
- Avoid blasting the frames with a pressure washer
- Wipe condensation off the frames
- Keep solvents and bleach off the sealant
- Check the mastic once a year
Clean the frames with mild soapy water, and keep solvents and harsh chemicals off the joint.
On timber windows, water behind the joint can lead to rot. Once wood has rotted, it needs repair before it can be sealed, so it pays to reseal before that happens.
Thorley: your questions answered
Will you come out to Thorley?
Yes, smaller places are covered as well as towns. Our work covers London and the South East. Just mention lanes, gates or anything else about the route when you book.
Is window mastic in a coastal place like Thorley any different?
Near the coast, wind-driven rain and, nearer the shore, salt air make outside sealant work harder. Choosing the right sealant for the frame and wall, laid at the right depth, helps it last.
How much does window mastic cost in Thorley?
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 work begins.
Where are you based?
Our base is Crawley, with over 20 years’ experience. We work across South East England, London and Scotland.
Can resealing stop a draught around my window?
Yes, if the air is getting in around the frame. If it’s coming through the window seals, we will tell you.
Do you work on first-floor windows?
Yes, where it’s safe. Higher or awkward frames may need extra access, and we will confirm what’s needed.
Can I do it myself?
For a simple, easy-to-reach joint, a careful DIYer can do a reasonable job. The usual mistakes are sealing over old sealant, sealing a damp joint and using too much.
How long does it take to reseal the windows on a house?
A handful of frames is a short visit, while a whole house takes longer. We confirm the timing with your quote.
How the visit works
The work is kept neat and contained to the joints we are treating. Expect the work to take a morning for a couple of windows and a door. Somewhere like Thorley 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.
- We start by checking each window and door with you.
- The old mastic is cut out and the surfaces cleaned back.
- Where gaps are deep, backing rod goes in first.
- We apply a weatherproof sealant to match the frame and tool it neatly.
- We clear up and check every joint is fully closed.
Getting ready for the visit
- Keep pets and children clear of the area while we work
- Move anything stored near the joints
- For business premises, tell us about site rules or sign-in
Ask for a quote
For window mastic in Thorley, phone 0345 464 0079 or email us. Tell us what the problem is and where, and we’ll agree the price before any work begins.
Advice
Quotes for window mastic in Thorley
There’s no set price list. The quote depends on:
- Any working-time requirements on site
- How much old sealant there is and how hard it is to remove
- How many rooms, windows or areas are involved
- Mould in or behind the old joints
Combining jobs into one visit generally makes better use of the time than several visits, so it’s worth mentioning everything you’d like done. We will send you a clear quote for the lot.
What to tell us for a quote
To help us quote quickly, please include:
- The rough size of the job
- Where the job is, and your postcode
- What’s wrong with the joints now
- How we’d reach the joints
Call for a quick quote, or send an email if you’d rather. Describe what needs sealing and we’ll explain what’s involved.
Should I try it myself first?
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.
If you do try it yourself, take your time over the preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it doesn’t work out, we can still put it right.
When to call us in Thorley
Sills take more water than any other part of a window, so the sill ends and the joint below the frame are common leak points. When that sealant fails, water gets into the wall or under the frame.
Look out for any of the following:
- Rushed sealant from a window installation
- Damp patches on the reveal after heavy rain
- Cracked sealant at the sill ends
- Draughts coming in around windows and doors
For landlords with property near Lymington Pier station, cracked frame mastic tends to show up as a draught or damp complaint, so it’s worth checking between lets.
Questions to ask before you book
- Whether the sealant suits the joint
- What preparation is included
- Who does the work, and how experienced they are
- Which colour the sealant will be
More services for Thorley
For landlords and businesses
Hotels need rooms back in use, 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.
Landlords and agents in Thorley can book us as well as householders. Resealing between tenancies is a simple way to keep a property in good order.