Isle of Wight · England
Window Mastic in Shanklin
Window mastic for Shanklin, by sealant specialists with 20+ years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- A bead that does not match the frame
- Cracked sealant at the sill ends
- Untidy mastic left by window fitters
Leave it or put it right?
Failed mastic isn’t a reason to replace sound windows. If the frames and glass are in good order, resealing the joints is often all that is needed. Problems with the glass or gaskets are for a window company, and we’ll say so. Around Shanklin, water from a failed joint in an older home can soak into timber and plaster, and that’s a much bigger job than renewing the sealant.
Every job is a little different, so each one gets its own quote. Size, access and the product the joint needs all play a part, and we’ll explain the quote if you ask.
Why choose Mr Mastic in Shanklin
- 4.9 on Google from 180+ five-star reviews
- An ARBOMaster approved applicator
- We leave the area clean and tidy
- A choice of colours where the product allows
Take a look at how sealant jobs are priced and our reviews.
Window mastic for homes and businesses in Shanklin
Colour matters on a frame. White, brown, anthracite grey, black and clear sealants are all available, so the line suits the frame instead of standing out. If you have whistling draughts around closed windows and white mastic on grey or black frames, we can put it right, whatever the surface.
Around Shanklin, conservatories, garden rooms and patio doors are often part of the house. Those joints need the same attention as the main windows.
We stand behind the work with a one-year guarantee, so you are not left on your own once the job is done.
- Place
- Shanklin (PO37, PO36)
- Wider area
- Isle of Wight
- Guarantee
- One year on every job
- Quotes
- A clear quote up front
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
Windows and doors in Shanklin
Shanklin is within about 1 mile of 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, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
If you live in an older home near St. Paul's Church, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint. Letting a property close to Shanklin station? Then sound mastic around windows and doors keeps out the draughts and damp that tenants notice first.
Shanklin is about 6 miles south of Ryde, in the Isle of Wight. Jobs in Shanklin get the same care as everywhere else we work: the old material taken out, joints prepared properly and a 12-month guarantee. Shanklin is one of 125 places in the Isle of Wight where we work. We also work in Portsmouth, around 13 miles away.
Postcode districts we cover here for window mastic: PO37 and PO36. If you need window mastic at a property on High Street, Church Road and Regent Street or anywhere close by, we can help. Being close to the A3020 and A3055, Shanklin is simple for us to get to for window mastic. Close by, we work in Luccombe Village (1 mile south), Lake (1 mile north), Sandown (2 miles north-east), Queen's Bower (2 miles north) and Alverstone (2 miles north). Larger places within reach include Newport (7 miles north-west), Ryde (6 miles north), Cowes (10 miles north-west), Ventnor (3 miles south-west), East Cowes (10 miles north-west) and Oakfield (6 miles north). Shanklin is one of the larger places we cover in the Isle of Wight. If you are somewhere remote, a little more planning is needed, so mention it when you ask for a quote.
Near you in Shanklin
We work in homes and buildings around The Falcon pub and Sandown Bay Academy, among other places. There’s a railway station in Shanklin itself: Shanklin station. Other landmarks nearby include Arthur Webster Memorial Hospital for Children (within half a mile north) and Rylstone Manor (less than half a mile south). The countryside around Shanklin includes Alverstone Mead and St Boniface Down.
Should I try it myself first?
If you’re set on DIY, put the effort into preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it fails, we can still redo it.
The difference is mostly in the preparation and the product. Joints are cleaned back to sound surfaces and dried, and the sealant is matched to the joint and its conditions.
Common problems we fix in Shanklin
Plenty of failed mastic was poorly applied in the first place. Mastic laid onto dusty, damp or crumbling surfaces didn’t grip properly, so it comes away long before its time.
People normally contact us when they notice one of these:
- Water coming in at the bottom corners of a door
- Cold air getting in at the frame edge
- Gaps between the frame and the inside reveal
- A bead that doesn’t match the frame
Managing a site like St Blasius Shanklin CofE Primary Academy? Then larger buildings have plenty of frames, and the mastic around each one ages.
What to look for in a quote
- What the quote includes, VAT included or not
- How hidden problems are handled
- Whether you can choose the colour
- How long the guarantee is
Honest limits
We will always be straight with you, so here’s what new sealant won’t do:
- Faulty window hardware
- Worn gaskets, brush seals or a door that has dropped
- Condensation trapped between the panes
If you’re not sure, just phone 0345 464 0079 or drop us an email and we will give you a straight answer before you book.
Surfaces we seal
- Timber windows & doors
- Patio & French doors
- Composite doors
- Window sills
- Aluminium frames
- uPVC windows
Nearby places to Shanklin
Other services in Shanklin
Landlords, agents and businesses in Shanklin
A neglected joint can let water reach the structure, which matters even more when someone else lives there. Resealing at the right time is simple maintenance that we can handle for you.
We regularly work with letting and managing agents. Tell us the address, the job and how access works and we will give you a quote.
What happens on the day
Once we are on site, we compare the joints with what we discussed. If anything is different, we explain it before carrying on. After that, the work takes a few hours for a few frames, or a day or more for a whole house. Parking around Shanklin is generally easier than in a town centre, but mention any lanes, gates or long drives. For outside work, side access and the height of the joints help us plan.
- We check how each frame can be reached safely.
- Old, cracked mastic is removed completely, along with any loose debris.
- The surfaces are cleaned and left dry, and primed where the sealant calls for it.
- Deep voids are backed, then the sealant is gunned in.
- The joint is shaped to shed water and the area tidied.
Before we arrive
- For indoor joints, keep the area dry beforehand if you can
- For business premises, tell us about site rules or sign-in
- Tell us about access, such as stairs, a lift or high-level joints
Getting a quote
Want a quote for window mastic? Please phone 0345 464 0079 or email us with a few details. You’ll know what we plan to do, and what it will cost, before any work begins.
Advice
What affects the cost of window mastic
You’ll get a clear quote before we start. It’s based on:
- How many areas need sealing
- Working hours on commercial sites
- How much old sealant there is and how hard it is to remove
- Access and height
Some things make a job bigger or smaller: how much old sealant there is and how stubborn it is, whether mould needs treating, and whether we need extra access for height. Your quote takes all of that into account.
What we need to know
Photos help, but a description is a good start. Please mention:
- If it’s domestic, commercial or a hotel
- The address or postcode of the job
- How many joints, rooms or windows are involved
- Access, such as stairs, a lift or height
Asking for a quote is easy: let us know the job and the location, and roughly how big it is. A few photos by email make the job easier to understand, and we’ll come back to you with a quote.
Common questions in Shanklin
Will you come out to Shanklin?
Yes. Shanklin is within the area we cover, which takes in towns, villages and rural addresses. We work across London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Can you help a landlord with a rental near Shanklin station?
Yes, rental work is part of what we do. You can call 0345 464 0079 or email us with the address and a few details, and we will give you a fixed price before we start.
Do you have insurance?
Yes. Full insurance covers our work.
Can you seal over the old sealant?
No. New silicone will not bond to old silicone, and it traps any mould or water underneath. It all has to come out first.
Is the new sealant paintable?
Not if it’s silicone. Tell us your decorating plans and we’ll pick a sealant to suit.
Do you remove the old sealant?
Yes, always, and completely. New silicone doesn’t stick to old silicone, so any old material comes out before anything new goes in.
How long will my window job take?
Allow anything from an hour or two to a full day, depending on how many frames there are. Access and how stubborn the old mastic is affect the time most.
Do I need to be at home?
That depends on where the joints are. Inside work needs someone to give us access, while outside work can sometimes be arranged differently.