Reading · England
Window & door mastic in Arborfield Cross, Reading
Mastic around window and door frames, sills and patio doors for homes and businesses in Arborfield Cross and across Reading. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.
- Mastic that has split away from the wall
- Cracked sealant at the sill ends
- Old mastic that has gone black or come away
Window mastic for homes and businesses in Arborfield Cross
Mr Mastic’s applicators have more than 20 years’ experience with window and door sealants. We’re ARBOMaster approved and fully insured, and every job is covered by a 12-month guarantee. If you’re dealing with old mastic that has gone black or come away and cracked sealant at the sill ends, we can help, on uPVC windows, window sills and aluminium frames alike.
In a village or hamlet like Arborfield Cross, older cottages and farmhouses often have timber windows set in stone or brick. Older buildings like these don’t always suit modern silicone, so the sealant has to be chosen to suit the building.
Our work is backed for twelve months, and the guarantee is the same wherever you are.
- Where
- Arborfield Cross (RG2)
- Wider area
- Reading
- Guarantee
- A year, on every job
- Price
- A clear quote up front
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
For landlords and businesses
Whether it’s one flat or a portfolio, you get the same standard of work: old sealant fully removed, joints prepared properly and a 12-month guarantee.
A neglected joint can let water reach the structure, which matters even more when someone else lives there. Keeping joints in good order is simple maintenance that we can handle for you.
When to call us in Arborfield Cross
Sills take more water than any other part of a window, so the sill ends and the joint below the frame are common leak points. When that sealant fails, water gets into the wall or under the frame.
The problems people usually mention when they call are:
- Hard, cracked sealant around windows
- Old mastic that has gone black or come away
- Rushed sealant from a window installation
- Draughts coming in around windows and doors
Letting a property close to Winnersh station? Then sound mastic around windows and doors keeps out the draughts and damp that tenants notice first.
What to look for in a quote
- Is VAT in the price?
- Who turns up on the day
- Are they insured?
- Whether they seal over old material or remove it
How the visit works
You do not need to clear the whole room or building before we come, just the space around the work. We protect the rest, and the work takes a few hours for a handful of frames, longer for a whole house for a typical job. In a small place like Arborfield Cross, access is usually the main thing to plan. For outside work, also let us know about exposed walls and any outbuildings involved.
- First, we confirm safe access to each frame.
- Old, cracked mastic is removed completely.
- The surfaces are cleaned and left dry.
- Deep voids are backed, then the sealant is gunned in.
- The joint is shaped to shed water and the area tidied.
Getting ready for the visit
- Mention any tricky access
- Mention any leaks or damp you’ve noticed
- For business premises, tell us about site rules or sign-in
Getting a quote
It all starts with a short chat. Tell us what’s wrong, where it is and how much there is. When it suits you, phone 0345 464 0079 or drop us an email.
Related advice
Looking after it afterwards
A little care helps the new joints last. Our advice:
- Don’t use solvent cleaners on the joint
- Avoid blasting the frames with a pressure washer
- Look round the frames every year or so
- Keep paint and stain on wooden frames in good order
Check the drainage slots in the frames aren’t blocked, so water can run away instead of sitting against the joint.
Look out for the warning signs: split or missing mastic, gaps, damp patches inside or black mould on the reveal. Any of these is worth a call.
Also near Arborfield Cross
What else we do in Arborfield Cross
What we cannot put right
New sealant cannot fix everything, and we’d rather say so up front. It will not solve:
- Condensation trapped between the panes
- A door that needs adjusting, rehanging or new seals
- Penetrating damp from a failed cavity tray or render
If in doubt, phone 0345 464 0079 or send us an email and we’ll say what we think.
Where we work in Arborfield Cross
- uPVC windows
- Aluminium frames
- Patio & French doors
- Timber windows & doors
- Window sills
- Composite doors
Surface by surface
Composite doors
An exposed front door gets wind-driven rain. Those corners get the most care.
uPVC windows
uPVC expands and contracts noticeably with temperature, so the joint needs a low-modulus sealant that stays flexible. We match white, brown, anthracite grey and black frames.
Questions from Arborfield Cross
Do you cover Arborfield Cross for window mastic?
Yes, Arborfield Cross is within the area we cover. Our work covers London and the South East. Just phone 0345 464 0079 or drop us an email with a few details of the job, and we will send you a clear quote.
Can you help a landlord with a rental near Winnersh station?
Yes. We work for letting agents and landlords as well as householders. Just ring 0345 464 0079 or send us an email with the address and what needs doing, and we’ll send you a clear quote.
Is it OK to seal over old sealant?
No, it won’t last. It may look fine at first, but the new layer lifts away from the old one. Removing the old sealant completely is the only lasting way.
Do you have sealant for grey or black windows?
Yes. White, brown, anthracite grey, black and clear sealants are all available, so the joint suits the frame.
Does the work come with a guarantee?
Yes. Every job comes with our one-year guarantee, and we are ARBOMaster approved applicators.
Are you ARBOMaster approved?
Yes. We are ARBOMaster approved, the scheme for applicators of Arbo sealants.
What does window mastic cost?
It depends on the job, so we quote each one individually. To get one, phone 0345 464 0079 or email us with a short description of the job.
Is the new sealant paintable?
That depends on the product. Some hybrid sealants can be painted; silicone cannot. Mention any painting plans before any work starts.
Should I try it myself first?
Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.
A DIY attempt doesn’t rule out a professional job. We remove it and do the joint properly, so tell us about it when you ask for a quote.
Arborfield Cross homes and the weather
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.
In the older streets around Church of St Bartholomew, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall. For site and facilities teams at buildings such as The Coombes Church of England Primary School, its window and door frames need their mastic kept sound, just like a home’s.
Arborfield Cross is about 3 miles south-west of Wokingham, in Reading. Arborfield Cross gets the same service as everywhere we cover: the old material taken out, joints prepared properly and a 12-month guarantee. Arborfield Cross is one of 34 places in Reading where we work.
All of RG2 is covered for window mastic, from the main roads to the quietest streets. If you need window mastic at a property on Eversley Road, Chamberlain Gardens and Melrose Gardens or anywhere close by, we can help. Neighbouring places we cover for window mastic include Farley Hill (2 miles south), Swallowfield (3 miles south-west), Spencers Wood (3 miles west), Riseley (3 miles south-west) and Bramshill (4 miles south). Within a short drive, we also cover Caversham (6 miles north-west), Norcot (7 miles north-west), West Reading (6 miles north-west), Tilehurst Within (7 miles north-west), Caversham Heights (7 miles north-west) and Horncastle (6 miles north-west).
Around Arborfield Cross
We work in homes and buildings around Swan Inn, Shepperlands Farm Nature Reserve and Bohunt School Wokingham and the streets around them. The nearest railway station is Winnersh station, about 2.7 miles north-east. A little further out are Beaumys Castle (3.5 miles south-west) and Berkshire Library & Museum of Freemasonry (2 miles north). Green spaces nearby include South Lake and The Marshes Local Nature Reserve.