West Berkshire · England
Window Mastic in Yattendon
Problem with your window and door frames in Yattendon? We remove the old material, prepare the joints and seal them properly, and the work is guaranteed for a year.
- Gaps left after new windows were fitted
- Damp patches on the reveal after heavy rain
- Draughts coming in around windows and doors
Window mastic in Yattendon
Homes in Yattendon have every kind of window: uPVC, aluminium, timber and composite, along with patio doors, French doors and sills. Each gets a sealant chosen for the frame and the wall it meets. If you have damp patches on the reveal after heavy rain and gaps left after new windows were fitted, we can help.
Homes in small places like Yattendon often stand in the open, with little to shelter their windows from wind and rain. That exposure dries out and cracks the mastic around frames and sills faster.
The work is covered for a year after we finish. If anything isn’t right with it, phone 0345 464 0079 or drop us an email.
- Place
- Yattendon (RG18)
- Wider area
- West Berkshire
- Guarantee
- A year, on every job
- Price
- Quoted before any work starts
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
Honest limits
Sealant is not the answer to every problem, and we’ll tell you before any work starts. Sealant will not put right:
- Worn gaskets, brush seals or a door that has dropped
- A frame that has rotted at the joint
- Broken hinges, locks or handles
If in doubt, phone 0345 464 0079 or send us an email and we will say what we think.
Where we work in Yattendon
- Window sills
- uPVC windows
- Composite doors
- Aluminium frames
- Patio & French doors
- Timber windows & doors
What affects the quote in Yattendon
Jobs vary more than people expect. The main factors:
- The amount of work
- Mould in or behind the old joints
- The number of rooms or windows
- How easy the joints are to reach
A failed joint rarely gets cheaper to fix by waiting. If you are unsure, call 0345 464 0079 or email us for an honest opinion and a quote.
What we need to know
Photos help, but a description is a good start. Try to tell us:
- Whether it has been sealed before
- What the problem is, such as mould, gaps, leaks or cracking
- Access, such as stairs, a lift or height
- A few photos by email, if you can
Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we will talk you through what we’d do. When it suits you, call 0345 464 0079 or send us an email.
Different surfaces, different methods
Timber windows & doors
Older timber windows in stone or brick can suit sand mastic rather than modern sealant. We can talk through the options.
Window sills
Sills catch the water running down the glass, so the joints at each end and underneath matter. Each is cleaned out and resealed.
What we’re called out for in Yattendon
Some failures date back to when the windows were fitted. Sealant run over dust, wet brick or loose mortar never bonded as it should, and it lets go sooner than it should.
People generally contact us after spotting one of these:
- Black, perished sealant on frames
- Leaking joints at the ends of sills
- Gaps left after new windows were fitted
- Gaps between the frame and the inside reveal
For site and facilities teams at buildings such as Yattendon C.E. Primary School, the mastic around its windows and doors needs looking after like any other building’s.
Before you book anyone
- Whether the sealant suits the joint
- What happens if the job turns out different
- Whether VAT is included
- How the joint is cleaned and prepared
What we do, step by step
Every visit runs the same way: we look at the joints together, mask and protect the surrounding surfaces, carry out the job and tidy away. Most jobs take most of a day for a typical house, less for a few frames. For a village or hamlet like Yattendon, the journey is planned in advance: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.
- First, we go round the frames with you and agree the list.
- The old mastic is cut out and scraped back to clean surfaces.
- Deep gaps get closed-cell backing rod to set the depth.
- The new sealant goes on in white, brown, anthracite grey, black or clear to suit.
- Every joint is tooled smooth and checked before we leave.
Preparing for the visit
- Tell us about any previous sealing or DIY attempts
- Try not to wet indoor joints just before the visit
- Mention any sign-in or site rules at work premises
How to get a quote
There’s no standard price list, as no two jobs are quite the same. Instead, your job gets its own clear quote. To arrange one, call 0345 464 0079 or drop us an email.
Related advice
Leave it or put it right?
If you’re painting or rendering, reseal at the same time. Fresh joints finish the job neatly. Older cottages and farmhouses around Yattendon can have timber floors and frames, and water through a failed joint can rot timber if it’s left.
Combining jobs into one visit generally makes better use of the time than several visits. You will get one clear quote for the whole job.
Why Yattendon customers choose us
- A 12-month guarantee on all work
- Arbo and Everbuild products
- Any old sealant cut out fully, not covered over
- Sealant colour chosen to suit
Read our cost guide and customer reviews.
FAQs for Yattendon
Do you cover smaller places like Yattendon?
Yes, we do. Our work covers London and the South East, and smaller places are part of that. Longer journeys are simply planned in advance.
I let a flat near Goring & Streatley station. Can you help?
Yes, rental work is part of what we do. You can call 0345 464 0079 or send us an email with the address and a few details, and we will give you a fixed price before work begins.
Can you do the inside joint as well?
Yes. Inside, the joint between frame and plaster is sealed neatly, using a paintable sealant if you want to decorate.
How long does it take to reseal the windows on a house?
Allow a few hours for a few frames, or a day or more for a whole house. Access and how stubborn the old mastic is affect the time most.
Do you guarantee window mastic?
Yes. Our 12-month guarantee covers every job, inside or out.
Do you have insurance?
Yes. Full insurance covers our work.
Are you ARBOMaster approved?
Yes. Mr Mastic is an ARBOMaster approved applicator and we are fully insured too.
Which products do you use?
The product depends on the job: anti-fungal sanitary silicone in wet areas, and other sealants where joints move or face the weather. We use products from Arbo and Everbuild.
Window mastic in Yattendon: local notes
The South East is one of the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day. With historic houses such as Basildon Park (about 4.2 miles north-east) nearby, there’s older building stock in the area around Yattendon 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.
Rented homes near Goring & Streatley station change hands often, and renewing tired window mastic between tenants heads off draught and damp complaints. If you live in an older home near Church of St Peter and St Paul, frames set in older brick or stone need a sealant that suits the wall as well as the frame.
Yattendon is about 5 miles north-east of Thatcham, in West Berkshire. From the centre of Yattendon to the outskirts, we cover window mastic for every kind of property, from flats and houses to offices and hotels. Yattendon is one of 155 towns and villages in West Berkshire we cover. We also work in Reading, about 10 miles from Yattendon.
We cover every part of RG18 for window mastic. We cover properties on Yattendon Lane, Bryants Lane and Chapel Lane and the roads around them. If you are just outside Yattendon, we cover Frilsham (1 mile south-west), Hampstead Norreys (2 miles north-west), Wellhouse (2 miles south-west), Little Hungerford (3 miles west) and Oare (3 miles west). Within a short drive, we also cover Newbury (7 miles south-west), Thatcham (5 miles south-west), Burghfield Common (8 miles south-east), Speenhamland (7 miles south-west), Hungerford (14 miles west) and Spencers Wood (11 miles south-east).
Local landmarks in Yattendon
Locally, jobs take us to homes and businesses close to The Royal Oak pub. For rail, the closest station is Goring & Streatley station, roughly 4.9 miles north-east of the centre. A little further out are Yattendon Castle (under half a mile north-west) and West Berkshire Community Hospital (5.7 miles south-west).
Towns and villages near Yattendon
Other services in Yattendon
Looking after it afterwards
Good habits help new joints last longer. A few tips:
- Clear any debris from frame drain holes
- Wash the frames with mild soapy water
- Wipe condensation off the frames
- Don’t paint over the silicone
Most silicone sealants will not take paint, so if you are planning to paint the frames or walls, tell us beforehand. There are paintable sealants for joints that need it.
Leaks normally show up in wet, windy weather, but resealing works best in dry conditions. Dealing with it when you first notice a crack avoids chasing leaks through the wet months.