Hampshire · England
Hannington Window Mastic
Mastic around window and door frames, sills and patio doors for homes and businesses in Hannington and across Hampshire. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.
- Cracked internal joints between frame and plaster
- A bead that doesn’t match the frame
- Hard, cracked sealant around windows
DIY sealant or a professional job?
If you do try it yourself, take your time over the preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it does not work out, we can still put it right.
The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is.
Window mastic in Hannington
The mastic around a window or door seals the gap between the frame and the wall. Once that seal fails, wind and rain find the gap. Our applicators cut it out and replace it with a flexible, weatherproof sealant. Common call-outs are for black, perished sealant on frames and hard, cracked sealant around windows, across patio & French doors, window sills and aluminium frames.
Mastic can only go onto a dry, clean joint, so window work in Hannington is booked around the forecast. Tell us about access to every side of the house, including upper-floor windows.
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
- Hannington (RG26)
- Wider area
- Hampshire
- Cover
- 12 months on all our work
- Quotes
- Quoted before any work starts
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
What window mastic looks like in Hannington
London and the South East are among the drier parts of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
For an older house near a landmark such as Church of All Saints, frames set in older brick or stone need a sealant that suits the wall as well as the frame.
Hannington is about 5 miles south-west of Tadley, in Hampshire. Homes, rented property, offices and hotels in Hannington can book us for window mastic, old or new, large or small. The work is guaranteed for a year. Our area takes in 683 places across Hampshire, from the larger towns to small villages. Our Reading page covers work nearby, about 15 miles away.
All of RG26 is within our area for window mastic. Streets in the area include Meadham Lane and Ibworth Lane, and we cover them all. If you’re just outside Hannington, we cover Kingsclere (2 miles north-west), Ibworth (2 miles south-east), Wolverton (2 miles north-east), Townsend (2 miles north-east) and Wolverton Common (3 miles north-east). Larger places within reach include Basingstoke (6 miles south-east), Andover (13 miles south-west), Alton (15 miles south-east), Tadley (5 miles north-east), Hook (12 miles east) and Popley (6 miles east).
Local landmarks in Hannington
In Hannington, that means homes and buildings near The Vine pub and the streets around them. The closest station to Hannington is Overton station, about 3.4 miles south-west. Other landmarks nearby include Park Prewett Hospital (4.8 miles east). Green spaces nearby include Ladle Hill.
Places near Hannington
More services for Hannington
How we quote for window mastic
Your quote is based on your job. We look at:
- Access and height
- Mould in or behind the old joints
- Working hours on commercial sites
- The type of sealant required
Rather than a set price list, we price the job in front of us: how many joints, what’s in them now and how we reach them. You’ll know the price before we begin.
What we need to know
To make quoting easier, let us know:
- The problem you’ve noticed
- Whether it’s a home or a business
- Roughly how big the job is
- Where the property is
For a quote, call 0345 464 0079 or send 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.
Looking after it afterwards
Once the sealant has cured, a few habits help it last:
- Walk round the house once a year and look at the joints
- Avoid harsh chemicals near the mastic
- Keep paint off silicone joints
- Avoid blasting the frames with a pressure washer
Clean the frames with mild soapy water, and avoid solvent cleaners on the sealant.
Signs to watch for: split or missing mastic, gaps, damp patches inside or black mould on the reveal. If you notice one, it’s time to get the joint looked at.
For landlords and businesses
For anyone letting property in or around Hannington, several properties can be quoted together. Just tell us the addresses and what each one needs.
Hotels need rooms back in use, so we plan the work room by room around your bookings where we can. We have worked in hotels as well as homes and businesses.
Signs you need window mastic in Hannington
On timber frames, paint and putty build up around the joint. Old mastic gets painted over and cracks under the paint, and the wood moves with damp as well as heat.
Common reasons people contact us are:
- Hard, cracked sealant around windows
- Gaps between the frame and the inside reveal
- Draughts coming in around windows and doors
- Gaps left after new windows were fitted
For landlords with property near Overton station, sound mastic around windows and doors keeps out the draughts and damp that tenants notice first.
What your quote should include
- How much experience the applicator has
- What product goes in the joint
- How the joint is cleaned and prepared
- What happens if the job turns out different
The process
We bring everything the job needs with us, so you do not need to buy or prepare anything. After a quick look at the joints together, the area is protected and the work begins. Most jobs take most of a day for a typical house, less for a few frames. For a village or hamlet like Hannington, the journey is planned in advance: let us know about lanes, gates and parking. We bring what the job needs, so it can be finished in one trip where possible.
- We check how each frame can be reached safely.
- All the failed sealant is cut away, along with any loose debris.
- Frame and wall are cleaned and must be dry before sealing.
- Deep voids are backed, then the sealant is gunned in.
- We tool the joint so water runs off, then clear up.
How to prepare
- Move anything stored near the joints
- Tell us about any previous sealing or DIY attempts
- Tell us if parking is tricky
How to get a quote
We quote each job on its own, so start by telling us what you need. Simply phone 0345 464 0079 or email us and describe the job, and photos are welcome.
Advice
Hannington: your questions answered
Can you do window mastic in Hannington?
Yes, Hannington is within the area we cover. Our work covers London and the South East. Just ring 0345 464 0079 or drop us an email with a few details of the job, and we’ll give you a clear quote.
Do you cover smaller places like Hannington?
Yes, we do. We work across London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
What do you put in the joint?
Products from Arbo and Everbuild, among others, picked for each joint. We will tell you what we are using and why.
Can you do upstairs windows?
Yes, where it’s safe. For high or awkward windows, we will tell you what access is needed.
How much does window mastic cost in Hannington?
The cost depends on the size of the job, access and how much old sealant has to come out. Ask us for a quote.
Where do you work from?
We are a Crawley-based firm, with over 20 years’ experience. We work across South East England, London and Scotland.
Is the work guaranteed?
Yes. Every job comes with our 12-month guarantee, and we’re fully insured.
Do you work for landlords and businesses?
Yes, often. We can quote for several properties at once.
When it isn’t the sealant
New sealant cannot fix everything, and we’d rather say so up front. It won’t solve:
- Penetrating damp from a failed cavity tray or render
- A failed sealed unit that has misted up
- Worn gaskets, brush seals or a door that has dropped
If you are not sure, just ring 0345 464 0079 or send us an email and we will give you a straight answer.
What we seal
- Patio & French doors
- Composite doors
- uPVC windows
- Aluminium frames
- Window sills
- Timber windows & doors