Windsor and Maidenhead · England
Stud Green External Mastic
External mastic for Stud Green, by sealant specialists with 20+ years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Sealant pulling away from one side of the joint
- Movement joints with cracked, split or missing sealant
- Water getting into walls through failed joints
Can I do it myself?
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.
A DIY attempt does not rule out a professional job. We remove it and do the joint properly, so just mention it when you contact us.
External mastic in Stud Green, done properly
Failed sealant is cut out, the depth set with closed-cell backing rod, and the joint resealed with a low-modulus sealant made for outside. We pick a colour that sits well with the wall. We work on copings & trims, render & cladding joints and joints between brick and frames, and people most often call us about joints with sealant missing in places and old sealant gone brittle and cracked.
In a village or hamlet like Stud Green, older cottages and farm buildings often stand in the open, where walls and rooflines take the weather head on. Joints on those walls need a sealant that moves with the building and stays in place.
We guarantee the work for a year. If there’s a problem with our work within the year, let us know and we will sort it.
- Place
- Stud Green (SL6)
- Wider area
- Windsor and Maidenhead
- Cover
- One year on every job
- Price
- Quoted before any work starts
- Call
- 0345 464 0079
- Updated
- 26 October 2026
For landlords and businesses
From a single let to a portfolio, you get the same standard of work: the old material taken out, careful preparation and a 12-month guarantee.
Failed sealant is one of the commonest items on a check-out report, and it’s easy to sort out between tenants. Several properties can be quoted together.
Leave it or put it right?
A failed movement joint lets water into the wall. Dealing with it early keeps the repair to the joint, rather than the wall around it. Older cottages and farmhouses around Stud Green can have timber floors and frames, and water through a failed joint can rot timber if it’s left.
Homes and businesses are quoted the same way: how much there is to do, how we reach it and what it needs, plus any working-time requirements on site. Ask us for a quote and we will go through it with you.
Why choose Mr Mastic in Stud Green
- Old sealant always removed completely
- Homes, businesses and hotels
- Full insurance on every job
- White, clear, grey or coloured to suit, where the product allows
See our cost guide and what customers say.
How to look after the new joints
So the new joints stay in good condition:
- Wash walls gently around the sealant
- Ask before painting over external sealant
- Get split or bare joints resealed while the damage is small
- Fix overflowing gutters above sealed joints
Give the sealant the cure time we tell you before anything rubs against it. Most exterior sealants skin fast but take longer to cure right through.
Once a joint can’t move, the wall finds another way, often as cracks near the joint. Resealing it early helps prevent that.
Stud Green questions
Can you help a landlord with a rental near Maidenhead station?
Yes. We work for letting agents and landlords as well as homeowners, and several properties can be quoted together. You can ring 0345 464 0079 or send us an email with the details for a clear quote.
Can you do external mastic in Stud Green?
Yes. We work across London and the South East, and Stud Green is part of that. You can call 0345 464 0079 or send us an email and tell us what needs doing.
Do you work for hotels and businesses?
Yes. We can plan bigger jobs in stages to suit the site.
Can you seal joints between two different materials?
Yes. Materials like render, brick, metal and uPVC all move differently, so a flexible sealant is needed where they meet. The sealant is matched to both sides.
When is the sealant fully cured?
Many sealants skin over quickly but take longer to cure fully. We will tell you how long to leave the joint before we leave.
Which products do you use?
We choose the sealant for the joint, not the other way round. Where it moves, gets wet or faces the weather makes a difference.
Should I point up the gap in my brickwork?
No. A mortar-filled joint can’t move, so the wall cracks somewhere else instead. It needs a flexible sealant over backing rod.
How do you reach high-level joints?
That depends on how high the joints are and the ground below. Ground-floor joints are simple; for higher ones, send details and we will confirm the access.
Walls and rooflines in Stud Green
With historic houses such as Dorney Court (about 2.7 miles east) nearby, there’s older building stock in the area around Stud Green as well as newer homes. Where a home is older, older walls and rooflines need a sealant that moves with them and suits the material. London and the South East are among the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
Dorney Court, about 2.7 miles east, is one of the historic houses in the wider area around Stud Green. Letting a property close to Maidenhead station? Then outside joints that have cracked can let damp into a rental, so check them between lets.
Stud Green is about 2 miles south of Maidenhead, in Windsor and Maidenhead. Homes, rented property, offices and hotels in Stud Green is covered for external mastic. The work is guaranteed for a year. Across Windsor and Maidenhead, we cover 57 places, Stud Green among them. There’s also a page for Reading, about 11 miles away.
We work across SL6 for external mastic and the streets around it. Streets in the area include Sturt Green, Meadow View Lane and Rolls Lane. We also cover Touchen-end (1 mile south), Moneyrow Green (1 mile south-east), Holyport (1 mile east), Paley Street (1 mile south-west) and Braywoodside (1 mile south-west). Larger places within reach include Windsor (4 miles east), North Ascot (5 miles south), Cookham (5 miles north), Furze Platt (3 miles north), Dedworth (4 miles east) and Broomhall (8 miles south-east).
Around Stud Green
Typical jobs here are in homes near The White Hart pub, Ockwells Park and Holyport CofE Primary School. The closest station to Stud Green is Maidenhead station, about 2 miles north of the centre. Nearby you’ll also find St Mark's Hospital (2.5 miles north) and The Reitlinger Bequest Museum (2.5 miles north-east). Green spaces nearby include Taplow Lake and Weycock Hill.
Different surfaces, different methods
Concrete and blockwork
The face of concrete or block is often dusty, so cleaning and priming matter. We prime where the sealant needs it.
Copings and trims
Coping and trim joints face rain and sun head on. Each is resealed with a weatherproof, flexible sealant.
What we are called out for in Stud Green
A lot of failed joints come down to preparation: dusty or wet faces, no primer where one was needed, or old sealant left in. The new sealant then lets go long before it should.
Most people get in touch when they notice one of these:
- Plants rooting in failed movement joints
- Brick movement joints where the sealant has split
- Failed seals between different materials
- Old sealant gone brittle and cracked
For site and facilities teams at buildings such as Holyport College, movement joints, cladding joints and gutters on larger buildings need the same care as a house’s.
Before you book anyone
- Whether they seal over old material or remove it
- How much experience the applicator has
- What happens if the job turns out different
- Which sealant they’ll use, and why
What happens on the day
On the day, we look over the joints with you first. We protect the surfaces around the joints before work begins. The work usually takes a few hours to a few days, depending on the length of joint and the access. Somewhere like Stud Green needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. Everything for the job comes with us, so a second trip is avoided where possible.
- First we look over the joints with you, agree which to renew and talk through access.
- We cut out the failed sealant and rake out any dirt or growth.
- We clean both faces of the joint and prime them where the product calls for it.
- Backing rod goes in next, setting the depth and keeping the sealant off the back of the joint.
- We gun in a flexible exterior sealant in a colour that suits the wall and tool it neatly.
Preparing for the visit
- Let us know about earlier repairs to the joints
- Mention any tricky access
- Tell us about any water getting in
Getting a quote
It all starts with a short chat. Describe the problem, the location and the size of the job. When it suits you, phone 0345 464 0079 or drop us an email.