Isle of Wight · England

External & façade joints in Norton Green, Isle of Wight

External mastic for Norton Green, by sealant specialists with 20+ years’ experience. 180+ five-star Google reviews and a 4.9 rating.

  • Sealant pulling away from one side of the joint
  • Water getting into walls through failed joints
  • Weathered mastic that no longer stretches

External mastic near Norton Green

External mastic in Norton Green

Where two different materials meet, such as brick and render or blockwork and metal, they move at different rates. A flexible sealant bridges the two where a rigid filler would soon crack. Common call-outs are for sealant pulling away from one side of the joint and damp patches traced to an open external joint, on copings & trims, façade panels and render & cladding joints.

Somewhere as small as Norton Green, homes and farm buildings often face open ground, where walls and rooflines take the weather head on. Joints on those walls need a sealant that moves with the building and stays in place.

Each job carries a 12-month guarantee, whatever its size.

Where
Norton Green (PO40)
Region
Isle of Wight
Cover
One year on every job
Price
Quoted before any work starts
Phone
0345 464 0079
Page updated
26 October 2026
The Mr Mastic team in navy uniforms in front of three Mr Mastic vans

How it works

There is not much for you to do on the day. Point us to the joints and we’ll get on with it. The work itself takes anything from a few hours to several days, depending on the building. Somewhere like Norton Green needs a little journey planning: 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.

  1. We start by walking round the building and agreeing the joints and the access.
  2. We cut out the old mastic and rake out anything in the joint.
  3. Joint faces are cleaned back and primed if the sealant needs it.
  4. Backing rod sized to the joint goes in to set the depth.
  5. We apply the sealant, tool it and check the whole run.

Preparing for the visit

  • Mention any sign-in or site rules at work premises
  • Move anything stored near the joints
  • Let us know if you’ve seen damp or leaks

Ask for a quote

For a quick quote, get us on the phone, or send an email if you’d rather. Describe what needs sealing and we’ll talk you through the work before giving you a price.

Get a quick quote

Related advice

Why deal with it now?

It often makes sense to reseal all the failing joints on an elevation together. Joints of the same age tend to fail together and it means sorting access once. Where a wall is exposed, as many are in small places like Norton Green, wind-driven rain gets into any failed joint, and older walls, once damp, take a long time to dry.

No two jobs are quite the same, so each one gets its own quote. The number of joints, how easy they are to reach and the sealant needed all play a part.

Why Norton Green clients choose us

  • Over 20 years’ experience
  • Anti-fungal sanitary silicone in wet areas
  • A choice of colours where the product allows
  • We agree the colour with you first

Take a look at our cost guide or customer reviews.

Questions from Norton Green

Is Norton Green within the area you cover?

Yes, we do. Our work covers London and the South East, from towns to the smallest places. Longer journeys are simply planned in advance.

Do you work for landlords with property near Lymington Pier station?

Yes, we work for letting agents and landlords. Just phone 0345 464 0079 or send us an email and tell us about the property, and we will give you a clear price.

How long should I leave it?

Cure times vary by product and the conditions. Before we leave, we’ll tell you the cure time.

How long will you be here?

That depends on how much there is to do, but as a guide it takes anything from a few hours to several days, depending on the building. We will give you a better idea when we quote.

Do you do commercial work?

Yes. Hotels, offices and other businesses use us and we’re fully insured.

Do you hold any approvals?

Yes. ARBOMaster is the approved applicator scheme for Arbo sealants, and we are part of it.

What sealant do you use?

The product depends on the job: sanitary silicone where it gets wet, and sealants suited to movement or weather elsewhere. Brands we use include Arbo and Everbuild.

Do I need to be at home?

That depends on where the joints are. Inside work needs someone to give us access, while outside work can sometimes be arranged differently.

Looking after it afterwards

No joint lasts for ever, but care makes a real difference. Our tips:

  • Keep movement joints as flexible joints, not mortar
  • Avoid pressure-washing directly into sealant joints
  • Have failed joints looked at early
  • Deal with leaking gutters that soak the joints below

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. Early work is quicker and leaves a better finish.

Landlords, agents and businesses in Norton Green

If you manage several properties in or around Norton Green, several properties can go on one quote. Send us the addresses and the work at each.

We also work for property managers and facilities teams. We can quote a run of properties together.

How we quote for external mastic

Some jobs are bigger than they look, and some smaller. The main factors:

  • The size of the job
  • The product the joint needs
  • Any mould that needs treating
  • How much old sealant there is and how hard it is to remove

Homes and businesses are quoted the same way: the amount of work, the access and the products needed. Call for a quick quote and we’ll go through it with you.

Helping us quote

Photos by email are helpful but not essential. Please mention:

  • Photos by email, if that’s easy
  • The rough size of the job
  • What’s wrong with the joints now
  • Any previous sealing or DIY work

We quote each job on its own, so start by telling us what you need. Just call 0345 464 0079 or send us an email with the details.

Do you need external mastic in Norton Green?

Many joints fail because they were sealed too deep or with nothing behind them. Sealant bonded to three sides has nowhere to go and rips as the joint opens.

These are the problems we’re asked about most:

  • Movement joints filled with mortar instead of sealant
  • Sealant pulling away from one side of the joint
  • Joints with sealant missing in places
  • Old sealant gone brittle and cracked

If you look after a building such as All Saints Church of England Primary School, larger buildings have long runs of movement joint that eventually need resealing.

Before booking anyone

  • Whether all the old sealant comes out first
  • Is VAT in the price?
  • What the cure time is
  • Whether you can choose the colour

Choosing a sealant specialist

What we cannot put right

In fairness, there are a few things sealant will not fix:

  • Rising or penetrating damp from elsewhere in the wall
  • Cracking across the wall rather than at a joint
  • Loose or hollow render, which needs re-rendering

Not sure which it is? You can call 0345 464 0079 or send us an email and we will tell you honestly before you book.

Where we work in Norton Green

  • Concrete & block
  • Copings & trims
  • Brickwork movement joints
  • Render & cladding joints
  • Façade panels
  • Joints between brick and frames

Walls and rooflines in Norton Green

Norton Green 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. 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.

Rented homes near Lymington Pier station change hands often, and split movement joints are easy to miss on a rental until damp shows inside. In the older streets around All Saints' Church, an extension built onto an older house moves differently, and the joint between them takes the strain.

Norton Green is about 5 miles south of Lymington, in the Isle of Wight. Jobs in Norton Green get the same care as everywhere else we work: the old material taken out, joints prepared properly and a 12-month guarantee. Across the Isle of Wight, we cover 125 places, and Norton Green is one of them. We also work in Southampton, around 16 miles away.

Jobs for external mastic in PO40 works the same way as everywhere else we cover. You will find streets such as Norton Green and Pixley Hill, and we cover them all. If you are just outside Norton Green, we cover Freshwater (1 mile south), Colwell (1 mile south-west), Easton (1 mile south), Totland (1 mile south-west) and Afton (1 mile south). Within a short drive, we also cover Newport (10 miles east), Cowes (10 miles north-east), Ventnor (15 miles south-east), East Cowes (11 miles east), Barton (10 miles east) and Hunny Hill (10 miles east). For island and remote addresses, the job takes a little more planning, so let us know when you get in touch.

Near you in Norton Green

In Norton Green, that means homes and buildings near The Red Lion pub, among other places. The nearest railway station is Lymington Pier station, about 4.5 miles north of the centre. Well-known places in the area include Ferguson Family Museum (0.5 miles south-east) and Yarmouth Castle (1.2 miles north-east). Green spaces nearby include Lymington and Keyhaven Marshes Nature Reserve and Afton Down.

Map of Norton Green © OpenStreetMap contributors
20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job