Hampshire · England
Lower Pennington External Mastic
Our applicators work in Lower Pennington on sealing brickwork movement joints, render, cladding and façade joints. Old sealant removed completely, joints prepared properly and every job guaranteed for a year.
- Sealant that has lost its bond to the brick or render
- Leaking joints around cladding and façade panels
- Damp patches traced to an open external joint
Quotes for external mastic in Lower Pennington
There’s no set price list, because jobs vary so much. What we look at:
- Working hours on commercial sites
- How much old sealant there is and how hard it is to remove
- The product the joint needs
- Mould in or behind the old joints
Some things make a job bigger or smaller: the old material and how easily it comes out, whether mould needs treating, and whether the work is at height. We take all of that into account in your quote.
What we need to know
Before you ask for a quote, have a think about:
- Where the job is, and your postcode
- Access, such as stairs, a lift or height
- What’s wrong with the joints now
- A few pictures by email, if you can
There’s no standard price list, as no two jobs are quite the same. Instead, your job gets its own clear quote. To arrange one, ring 0345 464 0079 or email us.
External mastic for homes and businesses in Lower Pennington
We cut out failed sealant, set the joint depth with closed-cell backing rod and reseal with a low-modulus exterior sealant. We pick a colour that sits well with the wall so the line blends in. If you have moss and dirt in joints with no sealant left and old sealant gone brittle and cracked, we can help.
Outside joints can only be sealed when they’re dry, so work in Lower Pennington is booked around the forecast. Let us know about access to every wall, plus any garages or outbuildings.
All our work is covered by a 12-month guarantee.
- Where
- Lower Pennington (SO41)
- Wider area
- Hampshire
- Cover
- One year on every job
- Price
- Quoted before any work starts
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026

Towns and villages near Lower Pennington
Also in Lower Pennington
Landlords, agents and businesses in Lower Pennington
From a single let to a portfolio, the work is the same standard: the old material taken out, careful preparation and a 12-month guarantee.
We also work for businesses, from offices to washrooms and kitchens. On commercial sites, working times can be discussed when we quote.
How it works
There is not much for you to do on the day. Show us the job and we will take it from there. The job generally takes a few hours for a handful of joints, longer for a whole elevation. For a village or hamlet like Lower Pennington, the journey is planned in advance: 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.
- We inspect the joints and agree which need resealing and how they’ll be reached.
- The old mastic and anything lodged in the joint is removed.
- Both sides are cleaned back to sound material and primed if needed.
- Closed-cell backing rod is fitted to set the depth and stop three-sided bonding.
- A flexible exterior sealant is applied and tooled in a colour to suit the wall.
Before we arrive
- Try not to wet indoor joints just before the visit
- Tell us if parking is tricky
- Mention any tricky access
Getting a quote
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 take it from there.
Advice
Lower Pennington: your questions answered
I let a flat near Lymington Pier station. Can you help?
Yes, rental work is part of what we do. Just ring 0345 464 0079 or drop us an email and tell us about the property, and we will give you a clear price.
Will you come out to Lower Pennington?
Yes, Lower Pennington is covered. Our work covers London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
How do I get a quote for external mastic in Lower Pennington?
There’s no set price, as it depends on the job: how much there is, what’s there now, how we reach it and what it needs. You’ll get a clear quote before work begins.
Are you insured?
Yes. Full insurance covers our work, and we can confirm the details when we quote.
How long does external mastic last?
There’s no fixed answer: joints on exposed walls or with a lot of movement age sooner. A yearly look will tell you when they need doing. Our work comes with a one-year guarantee.
Which products do you use?
Each joint gets the product that suits it. Movement, water and weather all affect the choice, and we’ll explain our choice.
Is it OK to seal over old sealant?
No, and we never do. 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.
Can you seal joints between render and window frames?
Yes. Where different materials meet is one of the most common joints we seal. We use a flexible sealant suited to both surfaces with primer where required.
What the job involves on each surface
Concrete and blockwork
The face of concrete or block is often dusty, so cleaning and priming matter. A primer goes on where the product requires one before sealing.
Cladding and façade panels
Metal and composite panels move a lot with temperature, so the joint sealant has to cope with frequent movement. The sealant is chosen with that in mind.
Looking after it afterwards
A little care helps the new joints last. We recommend:
- Walk round the building once a year and look at the joints
- Check the sealant is paintable before painting near it
- Make sure movement joints aren’t pointed over
- Deal with leaking gutters that soak the joints below
Don’t let soil, plants or ivy build up against the new joints. Damp material against the sealant shortens its life.
Gaps, plants or missing sealant in a joint are worth getting looked at. Earlier resealing means a smaller job and a better result.
What we are called out for in Lower Pennington
The wrong product in a moving joint is a classic cause. A high-modulus or general-purpose sealant can be too rigid for a busy joint, and it tears off the sides.
If you can see any of these, it’s time to have the joints looked at:
- Brick movement joints where the sealant has split
- Cracked joints where brick meets render or frames
- Weeds or debris growing in open joints
- Failed sealant between panels on a façade
In the older streets around Church of All Saints, older walls, gutters and the joints where extensions meet them need a flexible sealant.
Before booking anyone
- Whether VAT is included
- Whether the sealant suits the joint
- When the joint can take water or movement
- Which colour the sealant will be
When it isn’t the sealant
To be straight with you, some problems need a different trade:
- Render that is blown, hollow or coming away
- Damp that isn’t coming from the joint
- Walls that need new movement joints cut into them
Not sure which it is? You can phone 0345 464 0079 or email us and we will tell you honestly before booking.
Where we work in Lower Pennington
- Brickwork movement joints
- Concrete & block
- Copings & trims
- Façade panels
- Joints between brick and frames
- Render & cladding joints
External mastic in Lower Pennington: local notes
Lower Pennington is within about 1 mile of the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. Both are hard on movement joints and outside wall joints, which can dry out and crack sooner where a building faces 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.
If you look after a building such as Priestlands School, larger buildings have long runs of movement joint that eventually need resealing. For landlords with property near Lymington Pier station, split movement joints are easy to miss on a rental until damp shows inside.
Lower Pennington is about 1 mile south of Lymington, in Hampshire. If you need external mastic in Lower Pennington, please call 0345 464 0079 or drop us an email for a quick quote. We cover Hampshire from our Crawley base, Lower Pennington included. Our area takes in 683 places across Hampshire. Southampton is on our list too, about 14 miles from Lower Pennington.
Every address in SO41 is covered for external mastic, from the main roads to the quietest streets. If you are just outside Lower Pennington, we cover Pennington (1 mile north), Lymington (1 mile north), Lymore (1 mile west), Keyhaven (1 mile south-west) and Walhampton (2 miles north-east). Larger places within reach include Totton (13 miles north), Hythe (11 miles north-east), New Milton (5 miles west), Ringwood (12 miles north-west), Locks Heath (15 miles north-east) and Warsash (14 miles north-east).
What’s near Lower Pennington
Locally, jobs take us to homes and businesses close to Chequers Inn and Pennington Infant School. The nearest railway station is Lymington Pier station, roughly 1.6 miles north-east. Other landmarks nearby include St Barbe Museum and Art Gallery (1.4 miles north) and Lymington New Forest Hospital (2 miles north). For a walk, there’s Lymington and Keyhaven Marshes Nature Reserve.
