Surrey · England
Window Mastic in Normandy
Problem with your window and door frames in Normandy? We cut out the old, prepare the joints and apply the right sealant.
- A bead that doesn’t match the frame
- Mastic that has split away from the wall
- Untidy mastic left by window fitters
How we handle window mastic in Normandy
The mastic around a window or door seals the gap between the frame and the wall. When it cracks, hardens or pulls away, draughts and rain get in. Our applicators cut it out and replace it with a flexible, weatherproof sealant. We’re often asked to deal with gaps between the frame and the inside reveal and gaps where the sill meets the wall, on aluminium frames, window sills and patio & French doors.
Mastic can only go onto a dry, clean joint, so window work in Normandy is booked around the forecast. Let us know about access to all the frames, upstairs ones included.
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.

- Place
- Normandy (GU3)
- Wider area
- Surrey
- Cover
- One year on every job
- Price
- A clear quote up front
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
What affects the cost of window mastic
Every job gets its own quote. These are the things that affect it:
- Any mould that needs treating
- How much there is to do
- The type of sealant required
- The number of rooms or windows
We don’t show prices on the website, because each job is priced on what it involves. Call for a quick quote.
Helping us quote
Photos help, but a description is a good start. Please mention:
- Any access issues, like height or stairs
- If someone has resealed it before
- Pictures of the joints, sent by email
- Whether it’s a home or a business
There’s no standard price list. Instead, your job gets its own clear quote. To get started, call 0345 464 0079 or send us an email.
When to call us in Normandy
Sills take more water than any other part of a window, and the ends of the sill, where it meets the wall, are where it gets in. Failed sealant there lets rain into the wall or behind the frame.
Keep an eye out for any of the following:
- Black, perished sealant on frames
- White mastic on grey or black frames
- Hard, cracked sealant around windows
- Whistling draughts around closed windows
If you live in an older home near Church of St Mark, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
Before booking anyone
- Which colour the sealant will be
- How hidden problems are handled
- What product goes in the joint
- Whether they’re fully insured
Nearby places to Normandy
More services for Normandy
Why deal with it now?
Failed mastic isn’t a reason to replace sound windows. Where the frames are sound, new mastic usually deals with draughts and leaks at the edges. Problems with the glass or gaskets are for a window company, and we’ll say so. In a small place like Normandy, homes can be exposed to wind and rain, which finds any gap, and damp in older walls is slow to dry out.
Commercial jobs are quoted on the same basis as homes: how much there is to do, how we reach it and what it needs, plus any working-time requirements on site. Call for a quick quote and we will go through it with you.
Why Normandy customers choose us
- Arbo and Everbuild products
- Rated 4.9 stars on Google
- A 12-month guarantee on all work
- Approved under the ARBOMaster scheme
What happens on the day
We work through the job in order: protect, prepare, seal, tidy. Typically it takes a morning for a couple of windows and a door and we leave things clean and tidy. Somewhere like Normandy needs a little journey planning: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.
- Each frame is looked over and we agree which ones need resealing.
- The old mastic is cut out and scraped back to clean surfaces.
- Where the gap is deep, backing rod goes in first.
- The new sealant goes on in white, brown, anthracite grey, black or clear to suit.
- We tool each bead neatly and check every joint is closed.
Before we arrive
- Clear the area around the work
- Tell us about any water getting in
- For indoor joints, keep the area dry beforehand if you can
Get a quote
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 will take it from there.
Advice
DIY versus a professional finish
Some sealant jobs are within reach of a careful DIYer, such as a straightforward joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
If you are 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 does not work out, we can still put it right.
Normandy homes and the weather
With historic houses such as Wanborough Manor (about 1.6 miles south) nearby, there’s older building stock in the area around Normandy as well as newer homes. Where a home is older, older timber frames in brick or stone need a different approach from a modern uPVC window. The South East is one of the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
If you let a flat or house near Wanborough station, renewing tired window mastic between tenants heads off draught and damp complaints. Managing a site like Wyke Primary School? Then the mastic around its windows and doors needs looking after like any other building’s.
Normandy is about 4 miles east of Aldershot, in Surrey. Every kind of property in Normandy is covered for window mastic, old or new, large or small. Every job comes with our one-year guarantee. Across Surrey, we cover 395 places, Normandy among them. Reading is on our list too, about 19 miles from Normandy.
All of GU3 is within our area for window mastic. Local streets include Manor Farm Close, Guildford Road and Milton Close, and we cover them all. We also cover Willey Green (1 mile east), Flexford (1 mile south), Christmas Pie (1 mile south), Wyke (1 mile west) and Wanborough (2 miles south). Further out, we also cover Guildford (4 miles east), Woking (6 miles north-east), Camberley (6 miles north-west), Farnham (6 miles south-west), Egham (13 miles north-east) and Walton-on-Thames (14 miles north-east).
Local landmarks in Normandy
In Normandy, that means homes and buildings near Duke of Normandy pub and the streets around them. The closest station to Normandy is Wanborough station, roughly 0.7 miles south of the centre. Other landmarks nearby include Ash Museum (2.1 miles west) and Guildford Hospital (2.6 miles east). The countryside around Normandy includes Hog's Back and Ash Ranges.
FAQs for Normandy
Do you cover smaller places like Normandy?
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.
Can you do window mastic in Normandy?
Yes. We work across London and the South East, and Normandy is part of that. Just phone 0345 464 0079 or drop us an email with a few details of the job, and we’ll give you a clear quote.
Can resealing stop a draught around my window?
If the draught is coming in around the frame, yes. If it’s coming through the window seals, we’ll tell you.
Are you insured?
Yes. We’re fully insured for domestic and commercial work.
Will the old sealant be removed?
Yes. All of the old material is cut out and the joint cleaned.
Can you work on commercial sites?
Yes, regularly. Larger jobs can be planned room by room or area by area to suit the site.
Can I add another job to the visit?
Yes, and it often makes sense. Combining jobs makes good use of the visit.
Can you seal over the old sealant?
No, it won’t last. It may look fine at first, but the new layer lifts away from the old one. The old sealant has to come out completely.
Aftercare tips
To keep the joints looking good and working properly:
- Clear any debris from frame drain holes
- Do not paint over the silicone
- Do not use solvent cleaners on the joint
- Wash the frames with mild soapy water
Clean the frames with mild soapy water, and avoid solvent cleaners on the sealant.
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 it pays to reseal before that happens.
What the job involves on each surface
Composite doors
Draughts round the door leaf generally come from worn seals or adjustment, not the mastic. We seal the frame and let you know about anything else.
Aluminium frames
Aluminium moves with heat, and the frames are often slimmer than uPVC. A tidy bead in anthracite grey, black or a matching colour suits the frame.
