Hampshire · England
Window & door mastic in Horton Heath, Hampshire
Window mastic in Horton Heath from a team with over 20 years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Damp patches on the reveal after heavy rain
- Cold air getting in at the frame edge
- Cracked or shrunken mastic around the frame
About our window mastic in Horton Heath
Over two decades of sealing frames has taught us which products suit which walls. We are fully insured ARBOMaster approved applicators, and every job is covered by a 12-month guarantee. Typical jobs include whistling draughts around closed windows and leaking joints at the ends of sills, across composite doors, timber windows & doors and aluminium frames.
Homes around Horton Heath range from older properties to newer houses, and their windows range just as widely. The right sealant depends on the frame and on what it sits in.
Big or small, you get the same 12-month guarantee.
- Where
- Horton Heath (SO50)
- Wider area
- Hampshire
- Cover
- A year, on every job
- Quotes
- A clear price before work begins
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Quotes for window mastic in Horton Heath
Call for a quick quote. What matters most is:
- How easy the joints are to reach
- The old material and how stubborn it is
- The number of rooms or windows
- Mould in or behind the old joints
The cost depends on how much there is to do, how hard the old material is to remove and how easy the joints are to reach. You will have a clear quote before any work starts.
What we need to know
When you call or email, these details help:
- The rough size of the job
- Pictures of the joints, sent by email
- The problem you’ve noticed
- Whether it has been sealed before
Every job is quoted individually, so start by telling us what you need. Simply phone 0345 464 0079 or send us an email and describe the job.
How the job changes by surface
Aluminium frames
Aluminium needs a sealant that bonds to coated metal, and acetoxy silicones are not used, as they can attack some metals. We use a neutral-cure product.
uPVC windows
The frame is cleaned with a product that won’t harm the plastic, then the new bead is laid against the frame and the wall.
DIY sealant or a professional job?
If you do try it yourself, take your time over the preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it does not work out, we can still put it right.
Sealing over old silicone is the commonest DIY error. New silicone will not bond to old, so it peels away and traps moisture behind it. Everything old must be removed first.
Common problems we fix in Horton Heath
Frames are never completely still. A plastic or aluminium frame lengthens in sunshine and shortens as it cools, while the masonry beside it stays put. If the sealant cannot stretch, it splits.
These are the problems we are asked about most:
- White mastic on grey or black frames
- Black, perished sealant on frames
- Cracked internal joints between frame and plaster
- Water coming in at the bottom corners of a door
If you let a flat or house near Hedge End station, renewing tired window mastic between tenants heads off draught and damp complaints.
What your quote should include
- What happens if the job turns out different
- What the quote includes, VAT included or not
- How the colour is chosen
- How the joint is cleaned and prepared
What we can’t put right
Honest advice matters more to us than a booking, so here’s what new sealant will not do:
- A frame that has rotted at the joint
- Draughts through the window seals rather than the frame
- A failed sealed unit that has misted up
Not sure which it is? You can call 0345 464 0079 or drop us an email and we’ll tell you honestly.
Where we work in Horton Heath
- Window sills
- uPVC windows
- Aluminium frames
- Patio & French doors
- Timber windows & doors
- Composite doors
Frames and glazing around Horton Heath
London and the South East are among 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 South Stoneham House (about 3.7 miles west) nearby, there’s older building stock in the area around Horton Heath as well as newer homes. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic.
For an older house near a landmark such as Church of the Holy Cross, frames set in older brick or stone need a sealant that suits the wall as well as the frame. Managing a site like Fair Oak Infant School? Then its window and door frames need their mastic kept sound, just like a home’s.
Horton Heath is about 2 miles south-east of Eastleigh, in Hampshire. We provide window mastic to householders, landlords and businesses in Horton Heath and nearby. We cover 683 towns and villages across Hampshire, from the larger towns to small villages.
We work across SO50 for window mastic and the streets around it. Local streets include The Lillies, Botley Road and Centaury Gardens. Other places close to Horton Heath include Fair Oak (1 mile north), Durley (2 miles east), Boorley Green (2 miles south-east), Wintershill (2 miles east) and Durley Street (2 miles east). We also work in nearby towns such as Winchester (7 miles north), Gosport (12 miles south-east), Havant (15 miles south-east), Fareham (8 miles south-east), Horndean (13 miles east) and Totton (9 miles west).
Landmarks near Horton Heath
In Horton Heath, that means homes and buildings near The Old George Public House, Wyvern Technology College and Wyvern Technology College and the streets around them. The closest station to Horton Heath is Hedge End station, roughly 1.4 miles south of the centre. Well-known places in the area include Moorgreen Hospital (2 miles south-west) and Eastleigh Museum (2.7 miles north-west). For a walk, there’s Bishops Waltham Branch LNR.
Your questions about window mastic in Horton Heath
Do you work for landlords with property near Hedge End station?
Yes, rental work is part of what we do. Just phone 0345 464 0079 or send us an email and tell us about the property, and we will send you a clear quote.
Will you come out to Horton Heath?
Yes, Horton Heath is covered. Our work covers London and the South East, and smaller places are part of that. Longer journeys are simply planned in advance.
What do you need from me for a quote?
The location, the problem and the rough size of the job. Photos by email help too.
Can resealing stop a draught around my window?
If the draught is coming in around the frame, yes. If it’s coming through the window seals, we’ll tell you.
Will you leave a mess?
Very little: the area around the joints is protected first, and we clear up the old sealant and our materials before we leave.
Do you seal inside as well as outside?
Yes. Outside is the weather seal; inside closes the gap to the plaster. We do one or both.
Do you do commercial work?
Yes. Commercial and hotel work is a large part of what we do. We can talk about working times when we quote.
Are you ARBOMaster approved?
Yes. Mr Mastic is an ARBOMaster approved applicator.
For landlords and businesses
Housing providers, facilities teams and property managers book us too. Several sites can be quoted together, and we’re fully insured for the work.
If you manage several properties in or around Horton Heath, several properties can go on one quote. Just tell us the addresses and what each one needs.
What happens on the day
We work through the job in order: protection first, then preparation, sealing and a tidy-up. Typically it takes anything from an hour or two to a full day, depending on how many frames there are and we leave things clean and tidy. For a job in Horton Heath, we agree the time, the access and parking before the day. Outdoor jobs depend on a dry day, since sealant needs a dry surface.
- First, we go round the frames with you and agree the list.
- The old mastic is cut out and scraped back to clean surfaces.
- Where the gap is deep, backing rod goes in first.
- A flexible exterior sealant is applied in a colour to suit the frame.
- Every joint is tooled smooth and checked before we leave.
Getting ready for the visit
- Move anything stored near the joints
- Mention any leaks or damp you’ve noticed
- Let us know about parking restrictions
Getting a quote
There’s no standard price list, because every job is different. Instead, we give you a clear price for your job. To get started, phone 0345 464 0079 or send us an email.