Surrey · England
Window Mastic in Merle Common
Specialist window mastic for Merle Common: the right sealant, proper preparation and a neat finish. Ask us for a quick quote.
- Old mastic that has gone black or come away
- Hard, cracked sealant around windows
- Whistling draughts around closed windows
Window mastic in Merle Common, done properly
Around Merle Common we seal all kinds of frames: from uPVC casements to timber and aluminium, plus patio doors, French doors and sills. The sealant is chosen to suit the frame material and the wall. We work on composite doors, aluminium frames and patio & French doors, and people most often call us about gaps left after new windows were fitted and cracked sealant at the sill ends.
Somewhere as small as Merle Common, older homes often have timber frames set in stone or brickwork. Not every older frame suits a modern silicone bead, so the sealant has to be chosen to suit the building.
You are covered for a year from the day we finish. If there’s a problem with it, please call 0345 464 0079 or email us.
- Where
- Merle Common (RH8)
- Region
- Surrey
- Cover
- A year, on every job
- Quotes
- A clear quote up front
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
When it is not the sealant
In fairness, some problems need a different trade:
- Soft or decayed wood in the frame
- A door that needs adjusting, rehanging or new seals
- Damp coming through the wall itself rather than the frame joint
If you’re not sure, just phone 0345 464 0079 or send us an email and we’ll give you a straight answer.
Where we work in Merle Common
- Window sills
- uPVC windows
- Timber windows & doors
- Aluminium frames
- Patio & French doors
- Composite doors
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.
The biggest DIY mistake is sealing over old sealant. New silicone will not bond to old, so it lifts and traps water and mould underneath. All the old material has to come out first.
Your questions about window mastic in Merle Common
Do you work for landlords with property near Hurst Green station?
Yes, landlords and agents are among the people we work for, and several properties can be quoted together. You can call 0345 464 0079 or send us an email with the details for a clear quote.
Do you cover smaller places like Merle Common?
Yes. Merle Common is within the area we cover, which takes in towns, villages and rural addresses. Our work covers London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Do you work on first-floor windows?
Yes, where they can be reached safely. Let us know about access when you ask for a quote and we’ll plan for it.
How long should I leave it?
Many sealants skin over quickly but take longer to cure fully. We’ll tell you how long to leave the joint before we leave.
Will the old sealant be removed?
Yes, every time. New sealant will not bond properly to old, so any old material comes out before anything new goes in.
Where do you work from?
We’re based in Crawley, and we work across South East England, London and Scotland.
Should I try DIY first?
You can, for simple jobs. The key is preparation: remove all the old material and work on a clean, dry joint. If it doesn’t work out, we can redo it.
Do you have insurance?
Yes. We’re fully insured for domestic and commercial work.
Places near Merle Common
What else we do in Merle Common
Windows and doors in Merle Common
Historic houses like Chartwell (about 3.3 miles north-east) are a reminder that the area around Merle Common has older buildings as well as new. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic. London and the South East are among the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
If you let a flat or house near Hurst Green station, renewing tired window mastic between tenants heads off draught and damp complaints. Historic houses such as Chartwell, about 3.3 miles north-east, show how far back building around Merle Common goes, and older homes nearby need a sealant that suits their walls. If you look after a building such as Holland Junior School, the mastic around its windows and doors needs looking after like any other building’s.
Merle Common is about 6 miles south-east of Caterham, in Surrey. From the centre of Merle Common to the outskirts, we cover window mastic for every kind of property, from flats and houses to offices and hotels. Merle Common is one of 395 places in Surrey where we work. For nearby work, see our Crawley page, about 12 miles away.
Work in RH8 is quoted and booked the same way as anywhere else. We also cover the places around Merle Common: Crowhurst (1 mile south-west), Troy Town (2 miles south-east), Hurst Green (2 miles north-west), Pains-Hill (2 miles north) and Crowhurst Lane End (2 miles south-west). Larger places within reach include Epsom (14 miles north-west), Horley (8 miles west), Redhill (8 miles west), Ewell (15 miles north-west), Reigate (9 miles west) and Caterham (6 miles north-west).
Local landmarks in Merle Common
Typical jobs here are in homes near Oxted School. The closest station to Merle Common is Hurst Green station, roughly 1.4 miles north. Other landmarks nearby include Tandridge Priory (2.1 miles north) and Haxted Watermill Museum (2.5 miles south). The countryside around Merle Common includes Botley Hill and Bay Pond.
How the job changes by surface
uPVC windows
The frame is cleaned with a product that will not harm the plastic, then the new bead is laid against the frame and the wall.
Composite doors
Front doors take the weather head on, and the top and bottom corners tend to fail first. Those corners get the most care.
What happens on the day
Once we are on site, we check the joints match what you told us. If we find something unexpected, we talk it through with you first. After that, the work takes anything from an hour or two to a full day, depending on how many frames there are. Somewhere as small as Merle Common, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- First, we confirm safe access to each frame.
- All the failed sealant is cut away.
- 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
- Let us know if you’ve seen damp or leaks
- Let us know about earlier repairs to the joints
- Let us know about parking restrictions
Ask for a quote
To get a quote, phone 0345 464 0079 or drop us an email and tell us where the job is and what the problem looks like. We’ll send you a clear quote before any work starts.
Advice
Landlord and commercial work in Merle Common
If you manage several properties in or around Merle Common, jobs at different addresses can be quoted together. Just tell us the addresses and what each one needs, and photos by email help.
Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements and we’ll quote.
Why act early in Merle Common
Working on frames from a ladder with a sealant gun isn’t easy, especially on upper floors. A professional job is cut out properly, backed where needed and finished neatly, in a sealant suited to the wall. Where a wall is exposed, as many are in small places like Merle Common, wind-driven rain gets into any failed joint, and damp in older walls is slow to dry out.
Doing several joints on one visit normally makes better use of the time than several visits, so tell us about everything that needs sealing. You will get one clear quote for the whole job.
Why book with us
- Domestic, commercial and hotel work
- Anti-fungal sanitary silicone in wet areas
- Fully insured
- 12-month guarantee on every job
Keeping the joints in good condition
So the new joints stay in good condition:
- Walk round the house once a year and look at the joints
- Keep drainage slots and sill grooves clear
- Keep solvents and bleach off the sealant
- Air rooms to keep condensation down around windows
Check the drainage slots in the frames are not blocked, so rain drains out rather than building up at the sealant.
Wet, windy weather is when failed mastic shows itself, but resealing works best in dry conditions. Sorting cracked mastic early means the joint is sound before the bad weather.