Hampshire · England
External Mastic in Hordle
Professional external mastic in and around Hordle, with every bit of old sealant taken out first and a one-year guarantee.
- Old sealant gone brittle and cracked
- Rain getting behind render or cladding at a joint
- Movement joints filled with mortar instead of sealant
External mastic for homes and businesses in Hordle
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 so the joint does not stand out. We work on brickwork movement joints, concrete & block and render & cladding joints, and people most often call us about cracked joints where brick meets render or frames and water getting into walls through failed joints.
In a smaller place like Hordle, some homes face open ground, so exposed walls and rooflines take more wind-driven rain. Joints on those sides are generally the first to go.
The work is covered for a year after we finish. If there’s a problem with it, please ring 0345 464 0079 or send us an email.

- Where
- Hordle (SO41)
- Wider area
- Hampshire
- Guarantee
- A year, on every job
- Quotes
- A clear price before we start
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
Looking after it afterwards
To keep the joints looking good and working properly:
- Keep movement joints as flexible joints, not mortar
- Keep water from gutters off the wall
- Check the sealant is paintable before painting near it
- Act on the first splits you see
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.
Gaps, plants or missing sealant in a joint are worth getting looked at. Earlier resealing means a smaller job and a better result.
Surface by surface
Joints between dissimilar materials
Brick against render, concrete against metal, stone against timber: every change of material is a joint. We seal the joint with a flexible exterior sealant.
Copings and trims
Coping and trim joints face rain and sun head on. Each is resealed with a weatherproof, flexible sealant.
What external mastic looks like in Hordle
Hordle is close to the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. Both are hard on movement joints and outside wall joints, which can dry out and crack sooner where a building faces the weather. Rainfall in the South East is lower than in much 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, an extension built onto an older house moves differently, and the joint between them takes the strain. Letting a property close to New Milton station? Then outside joints that have cracked can let damp into a rental, so check them between lets. Managing a site like Hordle CofE (VA) Primary School? Then movement joints, cladding joints and gutters on larger buildings need the same care as a house’s.
Hordle is about 3 miles west of Lymington, in Hampshire. Jobs in Hordle get the same care as everywhere else we work: the old material taken out, joints prepared properly and a 12-month guarantee. We cover 683 towns and villages across Hampshire, from the larger towns to small villages. For nearby work, see our Southampton page, about 15 miles away.
We cover every part of SO41 for external mastic. Streets in the area include Yerville Gardens, Acacia Road and Woodlands, all of which we cover. Neighbouring places we cover for external mastic include Downton (1 mile south), Leagreen (1 mile south), Ashley (1 mile west), Tiptoe (2 miles north) and New Milton (2 miles west). Within a short drive, we also cover Totton (12 miles north-east), Lymington (3 miles east), Hythe (12 miles north-east), Ringwood (9 miles north-west), Dibden Purlieu (11 miles north-east) and Marchwood (12 miles north-east).
What’s near Hordle
Typical jobs here are in homes near The Arnewood School and the streets around them. For rail, the closest station is New Milton station, roughly 1.7 miles west. Nearby you’ll also find Sammy Miller Motorcycle Museum (2.4 miles west) and Highcliffe Castle (4.4 miles west). The countryside around Hordle includes Milford on Sea LNR.
Other services in Hordle
How the visit works
Once we’re on site, we compare the joints with what we discussed. If we find something unexpected, we talk it through with you first. After that, the work takes anything from a few hours to several days, depending on the building. For a job in Hordle, we agree the time, the access and parking before the day. Outdoor jobs depend on a dry day, since sealant needs a dry surface.
- We start by checking each joint, agreeing the ones to redo and how we will reach them.
- The old mastic and anything lodged in the joint is removed.
- We clean both faces of the joint and prime them where the product calls for it.
- We push in closed-cell backing rod so the sealant is the right depth and bonds to the sides only.
- The new sealant, chosen to suit the brick or render, is applied and tooled to a neat finish.
How to prepare
- Let us know about parking restrictions
- Let us know if you’ve seen damp or leaks
- Clear items away from the joints we’re working on
Get a quote
If you’re in Hordle and need external mastic, call 0345 464 0079 or send us an email. A short description of the job and where it is helps us quote, and we will agree the price before any work begins.
Read more
Landlord and commercial work in Hordle
If you manage several properties in or around Hordle, several properties can go on one quote. Send us the addresses and the work at each.
In hotels, rooms out of use cost money, so we plan the work room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.
DIY versus a professional finish
If you’ve already had a go yourself, that is fine. We cut it out and start again.
If you’re set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it doesn’t work out, we can still put it right.
What affects the quote in Hordle
You’ll get a clear quote before work begins. It’s based on:
- How many rooms, windows or areas are involved
- Whether there’s mould to deal with
- Working hours on commercial sites
- The number and length of the joints
The cost depends on how much there is to do, how hard the old material is to remove and access to the work. We give a clear quote before we start.
What to tell us for a quote
What to tell us when you ask for a quote:
- Any access issues, like height or stairs
- Whether it has been sealed before
- Roughly how big the job is
- Where the property is
Asking for a quote is easy: let us know the job and the location and its rough size. Photos by email help us understand the job, and we’ll come back to you with a quote.
What sealant work cannot fix
A few problems are outside what sealant work can do:
- Walls that need new movement joints cut into them
- Cracks in the bricks or render themselves, away from the joints
- Subsidence or other structural problems
If in doubt, ring 0345 464 0079 or drop us an email and we will say what we think.
Joints and surfaces we work on
- Joints between brick and frames
- Concrete & block
- Render & cladding joints
- Brickwork movement joints
- Façade panels
- Copings & trims
Hordle: your questions answered
I let a flat near New Milton station. Can you help?
Yes, landlords and agents are among the people we work for. You can ring 0345 464 0079 or drop us an email with the details for a clear quote.
Do you cover smaller places like Hordle?
Yes, we do. Our work covers London and the South East, from towns to the smallest places. Longer journeys are simply planned in advance.
How long should I leave it?
Different products cure at different speeds, so please follow the time we give you.
Where do you work from?
We work from Crawley. Our applicators cover Hordle, along with the rest of our area.
Can you seal joints between two different materials?
Yes. We cut out the old sealant, prepare both faces and reseal with a flexible exterior product. The colour is chosen to suit.
Is the work guaranteed?
Yes. All our work carries a 12-month guarantee.
Do you work at height?
It depends on the building. Tell us the height, the number of joints and what’s below them and we will confirm how they can be reached safely.
Why do you put foam in the joint first?
We fit closed-cell backing rod wherever the joint depth needs controlling. It sets the sealant depth and prevents three-sided bonding, so the joint can move.
