Wokingham · England
Window & door mastic in Langley Common, Wokingham
Professional window mastic in and around Langley Common, with old sealant always removed completely and a 12-month guarantee.
- Sealant in the wrong colour for the frame
- Gaps left after new windows were fitted
- Old mastic that has gone black or come away
Window mastic for homes and businesses in Langley Common
Some gaps around frames are far deeper than they look. Packing it solid with sealant gives a joint that can’t flex, so deep gaps get backing rod first. The sealant then grips the two sides it should. We are often asked to deal with mastic that has split away from the wall and gaps left after new windows were fitted, on uPVC windows, patio & French doors and window sills.
In a village or hamlet like Langley Common, older cottages and farmhouses often have timber windows set in stone or brick. Not every older frame suits a modern silicone bead, and sometimes a traditional sand mastic is the better choice.
Every job is covered by a one-year guarantee, wherever you are in Wokingham.
- Where
- Langley Common (RG40, RG41)
- Region
- Wokingham
- Cover
- One year on every job
- Quotes
- A clear quote up front
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026

FAQs for Langley Common
Do you cover Langley Common for window mastic?
Yes, Langley Common is within the area we cover. Our work covers London and the South East. You can phone 0345 464 0079 or drop us an email and tell us what needs doing, and we’ll give you a clear price.
Can you help a landlord with a rental near Wokingham station?
Yes, landlords and agents are among the people we work for, and several properties can go on one quote. You can call 0345 464 0079 or email us with the details for a clear quote.
Does someone need to be in?
We need access to the joints, so we’ll agree that with you when we book. For inside work, that normally means someone being in.
Is it worth trying it myself?
You can, for simple jobs. Preparation is everything: all the old sealant out, and a clean, dry joint. We can always put it right if it fails.
Do the sealants smell?
There can be a smell while the sealant cures, which fades as it sets. Opening a window helps.
Can you do upstairs windows?
Yes, if safe access is possible. For high or awkward windows, we will tell you what access is needed.
What information do you need?
Let us know what needs doing and where. If we need more, we will ask.
Where is Mr Mastic based?
Our base is Crawley, with over 20 years’ experience. Our area covers South East England, London and Scotland.
Aftercare tips
Simple care keeps the joints in good condition. We recommend:
- Air rooms to keep condensation down around windows
- Clear any debris from frame drain holes
- Keep paint off silicone joints
- Wash the frames with mild soapy water
Wipe the frames with soapy water when you clean the windows, and avoid solvent cleaners on the sealant.
A failed joint lets water into the wall a little at a time. You might not see it until plaster blows or a damp patch appears inside. Catching it early keeps the fix to a reseal.
What affects the quote in Langley Common
Some jobs are bigger than they look, and some smaller. The main factors:
- Any working-time requirements on site
- How many rooms, windows or areas are involved
- Which sealant suits the joint
- The old material and how stubborn it is
Homes and businesses are quoted the same way: the amount of work, the access and the products needed. Call for a quick quote and we will go through it with you.
What we need to know
Photos by email are helpful but not essential. Please mention:
- If it’s domestic, commercial or a hotel
- Pictures of the joints, sent by email
- How many joints, rooms or windows are involved
- The address or postcode of the job
To get a quote, call 0345 464 0079 or drop us an email and tell us where the job is and what the problem looks like. You will have a clear quote before work begins.
Surface by surface
Patio & French doors
Patio and French doors have the longest joints on most houses. The threshold and the bottom corners take the most water, so we pay close attention there.
Timber windows & doors
On period timber windows, traditional sand mastic is sometimes the better choice. We’ll tell you which suits your home.
What window mastic looks like in Langley Common
The South East is one of the drier parts of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
Homes close to St Eligius include some older properties, and frames set in older brick or stone need a sealant that suits the wall as well as the frame. For site and facilities teams at buildings such as The Coombes Church of England Primary School, larger buildings have plenty of frames, and the mastic around each one ages.
Langley Common is about 2 miles south-west of Wokingham, in Wokingham. For window mastic in and around Langley Common, please call 0345 464 0079 or drop us an email for a quick quote. We cover Wokingham from our Crawley base. Langley Common is one of 35 places in Wokingham we cover.
We work across the RG40 and RG41 postcode area for window mastic. You’ll find streets such as Langley Common Road and School Road, all of which we cover. Close by, we work in Barkham (1 mile east), Arborfield Garrison (1 mile south), California (1 mile south-east), Eversley (2 miles south) and Finchampstead (3 miles south-east). Further out, we also cover Reading (5 miles north-west), Woodley (4 miles north), Earley (3 miles north-west), Crowthorne (4 miles east), Lower Earley (3 miles north-west) and Winnersh (3 miles north).
Local landmarks in Langley Common
Typical jobs here are in homes near The Bramshill Hunt pub, Shepperlands Farm Nature Reserve and Bohunt School Wokingham, among other places. For rail, the closest station is Wokingham station, roughly 2.5 miles north-east. Other landmarks nearby include Beaumys Castle (4 miles west) and Berkshire Library & Museum of Freemasonry (2.1 miles north). For a walk, there’s South Lake and Holt Copse & Joel Park.
When something else is needed
In fairness, some problems need a different trade:
- Damp coming through the wall itself rather than the frame joint
- Misting between the panes of a double-glazed unit (that needs a new unit)
- Broken hinges, locks or handles
If you’re not sure, just ring 0345 464 0079 or send us an email and we’ll give you a straight answer.
Surfaces we seal
- Window sills
- uPVC windows
- Aluminium frames
- Timber windows & doors
- Composite doors
- Patio & French doors
Should I try it myself first?
The biggest DIY mistake is sealing over old sealant. Silicone doesn’t stick to old silicone, so it lifts and traps water and mould underneath. Everything old must be removed first.
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
Nearby places to Langley Common
Other services in Langley Common
The process
We bring everything the job needs with us, so you do not need to buy or prepare anything. Once we have agreed what’s being done, we protect the area and start. It normally takes a few hours for a few frames, or a day or more for a whole house. In a small place like Langley Common, access is generally the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- Each frame is looked over and we agree which ones need resealing.
- The old mastic is cut out and scraped back to clean surfaces.
- Deep gaps get closed-cell backing rod to set the depth.
- A flexible exterior sealant is applied in a colour to suit the frame.
- We tool each bead neatly and check every joint is closed.
Preparing for the visit
- Mention any parking rules near the property
- Mention any sign-in or site rules at work premises
- Plan for the work area to be out of bounds to pets and children
Ask for a quote
Call for a quick quote, or send an email if you’d rather. Tell us about the joints that need doing and we’ll explain what’s involved and send you a clear quote.
Read more
Do you need window mastic in Langley Common?
A lot of older mastic was never designed to stay flexible. Once it’s rigid, every bit of frame movement pulls at it, and a gap opens along one edge.
Common reasons people contact us include:
- Draughts coming in around windows and doors
- Gaps left after new windows were fitted
- Hard, cracked sealant around windows
- Gaps between the frame and the inside reveal
If you let a flat or house near Wokingham station, sound mastic around windows and doors keeps out the draughts and damp that tenants notice first.
What your quote should include
- Which sealant they’ll use, and why
- What preparation is included
- Whether all the old sealant comes out first
- Who does the work, and how experienced they are
