Portsmouth · England
Farlington External Mastic
Our applicators work in Farlington on sealing brickwork movement joints, render, cladding and façade joints. Old material cut out, joints cleaned and sealed neatly and a one-year guarantee.
- Moss and dirt in joints with no sealant left
- Joints pointed up with cement by mistake
- Sealant pulling away from one side of the joint
External mastic for homes and businesses in Farlington
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 joint does not stand out. We work on brickwork movement joints, joints between brick and frames and façade panels, and the jobs we see most are movement joints filled with mortar instead of sealant and plants rooting in failed movement joints.
Houses in smaller places like Farlington can stand more in the open than those in a built-up town, and walls and rooflines facing the weather take the worst of it. That’s where gutter joints and wall joints tend to fail first.
There’s a 12-month guarantee on every job.
- Location
- Farlington (PO6, PO9, PO7)
- Wider area
- Portsmouth
- Cover
- One year on every job
- Price
- A clear quote up front
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026

What affects the quote in Farlington
There’s no set price list, because jobs vary so much. What we look at:
- The number of rooms or windows
- Any mould that needs treating
- Access and height
- The product the joint needs
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.
Helping us quote
You don’t need to know the technical terms. It helps if you can tell us:
- How we’d reach the joints
- A few pictures by email, if you can
- How many joints, rooms or windows are involved
- The type of property
To get a quote, call 0345 464 0079 or drop us an email with the location and a short description of the problem. We’ll give you a clear quote before any work starts.
Common problems we fix in Farlington
A lot of failed joints come down to preparation: joint faces that were dusty or damp, unprimed where they needed it, or still carrying old sealant. The new sealant then lets go long before it should.
Most people get in touch after spotting one of these:
- Failed seals between different materials
- Weeds or debris growing in open joints
- Weathered mastic that no longer stretches
- Movement joints filled with mortar instead of sealant
Rented homes near Cosham station change hands often, and split movement joints are easy to miss on a rental until damp shows inside.
What to look for in a quote
- How much experience the applicator has
- Whether all the old sealant comes out first
- Which colour the sealant will be
- Are they insured?
Walls and rooflines in Farlington
Farlington is close to the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. That’s hard on movement joints and outside wall joints, especially on the side facing the sea. Compared with the north and west, the South East gets less rain, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
Homes close to Church of St Andrew include some older properties, and an extension built onto an older house moves differently, and the joint between them takes the strain. If you look after a building such as Solent Infant School, larger buildings have long runs of movement joint that eventually need resealing.
Farlington is about 2 miles south of Purbrook, in Portsmouth. Whether you are in the middle of Farlington or further out, external mastic is available for homes and businesses alike. Farlington is one of 19 places in Portsmouth where we work for external mastic.
Every address in PO6, PO9 and PO7 is within our area for external mastic, from the main roads to the quietest streets. We cover properties on Galt Road, Grant Road and Havant Road and the roads around them. Neighbouring places we cover for external mastic include Drayton (1 mile west), Widley (1 mile north-west), Cosham (1 mile west), Bedhampton (1 mile north-east) and Purbrook (2 miles north). Within a short drive, we also cover Portsmouth (3 miles south-west), Southsea (5 miles south), Milton (4 miles south), Landport (4 miles south-west), Baffins (3 miles south) and Rudmore (3 miles south-west).
Local landmarks in Farlington
Typical jobs here are in homes near Springfield School, Springfield School and New Inn, among other places. For rail, the closest station is Cosham station, about 1.5 miles west. A little further out are Warblington Castle (2.9 miles east) and Queen Alexandra Hospital (1.6 miles west). Open spaces near Farlington include Portsdown Hill and Southmoor Nature Reserve.
Towns and villages near Farlington
What else we do in Farlington
How it works
All our tools and materials come with us in the van, so you do not need to buy or prepare anything. After a quick look at the joints together, we protect the area and start. Most jobs take a few hours for a handful of joints, longer for a whole elevation. In a smaller place like Farlington, parking is seldom the issue; lanes, gates and long drives are worth mentioning. If the job is outside, tell us about side access and how high the joints are.
- 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.
- We clean both faces of the joint and prime them where the product calls for it.
- Closed-cell backing rod is fitted to set the depth and stop three-sided bonding.
- We gun in a flexible exterior sealant in a colour that suits the wall and tool it neatly.
Before we arrive
- Keep children and pets away from the work area
- Let us know about stairs, lifts or work at height
- Tell us about any water getting in
Get a quote
We don’t publish a price list. Instead, your job gets its own clear quote. To arrange one, ring 0345 464 0079 or drop us an email.
Related advice
How the job changes by surface
Cladding and façade panels
Panel systems often rely on sealant between and around the panels. Each joint gets a sealant that suits the panel and its movement.
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.
What sealant work can’t fix
Sealant isn’t the answer to every problem, and we’d rather say so up front. Sealant will not put right:
- Adding movement joints to masonry that has none
- Cracked brickwork or render that needs a builder or plasterer
- Structural movement, which needs a surveyor or engineer
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 Farlington
- Concrete & block
- Joints between brick and frames
- Copings & trims
- Brickwork movement joints
- Render & cladding joints
- Façade panels
Your questions about external mastic in Farlington
Is Farlington within the area you cover?
Yes, smaller places are covered as well as towns. Our work covers London and the South East. Just mention lanes, gates or anything else about the route when you book.
Can you help a landlord with a rental near Cosham station?
Yes, landlords and agents are among the people we work for, and several properties can go on one quote. Just ring 0345 464 0079 or send us an email with the address and what needs doing, and we’ll send you a clear quote.
Do you do commercial work?
Yes. Larger jobs can be planned room by room or area by area.
Can you quote for more than one area?
Yes. Several rooms, windows or areas can go on one quote.
What is backing rod for?
Closed-cell backing rod sets the depth of the sealant and stops it sticking to the back of the joint. Then the sealant bonds to two faces and can move.
Do you seal joints where cladding meets other materials?
Yes. The old joint is removed, both surfaces cleaned and primed where needed, and a flexible sealant applied. We pick a colour that works with both materials.
Do the sealants smell?
That depends on the sealant. Some products have a noticeable smell, others very little, and any smell fades as they cure.
When is the sealant fully cured?
It depends on the product. We tell you how long to leave it before we go.
What happens if it’s left?
Running new sealant over the old bead rarely lasts. The new layer cannot bond properly to old, weathered material, so we always take the old sealant out. Around Farlington, water from a failed joint in an older home can soak into timber and plaster, which is far harder to put right than the sealant itself.
Commercial jobs are quoted on the same basis as homes: how much there is to do, how we reach it and what it needs. Ask us for a quote and we’ll explain what it covers.
Why us?
- More than 20 years in sealant work
- We agree the colour with you first
- Homes, businesses and hotels
- A sealant colour to suit the surroundings
Take a look at how sealant jobs are priced or what customers say.
Landlord and commercial work in Farlington
Water getting past a failed joint can damage the building, which is a bigger problem in a rented property. Resealing at the right time is simple maintenance.
Failed sealant is one of the commonest items on a check-out report, and it’s easy to sort out between tenants. We can quote for more than one property at once.
