Isle of Wight · England

Whippingham External Mastic

Professional external mastic in and around Whippingham, with every bit of old sealant taken out first and a 12-month guarantee.

  • Joints pointed up with cement by mistake
  • Failed seals between different materials
  • Sealant that has lost its bond to the brick or render

External mastic in Whippingham

Why act early in Whippingham

Sealing over the top of old mastic doesn’t hold for long. The new layer can’t bond properly to old, weathered material, so the old joint is cut out fully first. Older cottages and farmhouses around Whippingham can have timber floors and frames, and water through a failed joint can rot timber if it’s left.

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, and we’ll explain the quote if you ask.

Why Whippingham clients choose us

  • Fully insured
  • We leave the area clean and tidy
  • We agree the colour with you first
  • Every job guaranteed for a year

See how sealant jobs are priced or customer reviews.

External mastic in Whippingham, done properly

We’re ARBOMaster approved applicators, and each external joint gets a sealant suited to it. Some surfaces need a primer before sealing, and we don’t skip that step. We are often asked to deal with water getting into walls through failed joints and leaking joints around cladding and façade panels, on render & cladding joints, brickwork movement joints and copings & trims.

External sealant needs dry, clean surfaces, so work around Whippingham is planned for dry weather. Tell us about access to all sides of the building, including outbuildings and garages.

You get a one-year guarantee, the same in Whippingham as everywhere else we work.

Place
Whippingham (PO32)
Wider area
Isle of Wight
Guarantee
One year on every job
Price
A clear quote up front
Telephone
0345 464 0079
Page updated
26 October 2026
Eleven members of the Mr Mastic team standing in front of branded white vans

Whippingham buildings and the weather

Whippingham is within about 2 miles of the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. That is 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, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.

For an older house near a landmark such as St. Mildred's Church, old and new materials meet at the roofline and walls, which is where sealant earns its keep. For landlords with property near Ryde Pier Head station, outside joints that have cracked can let damp into a rental, so check them between lets.

Whippingham is about 2 miles south-east of Cowes, in the Isle of Wight. Whether you’re in the middle of Whippingham or further out, we cover external mastic for every kind of property, from flats and houses to offices and hotels. We cover 125 towns and villages across the Isle of Wight, large and small. You can also see our page for Portsmouth, roughly 10 miles from Whippingham.

Work in PO32 is quoted and booked the same way as anywhere else. If you need external mastic at a property on Campfield Road, Whippingham Road and Barton Close or anywhere close by, we can help. If you’re just outside Whippingham, we cover East Cowes (1 mile north-west), Wootton (2 miles south-east), Hillgrove (2 miles south), Fairlee (2 miles south) and Fishbourne (2 miles east). We also work in nearby towns such as Newport (3 miles south-west), Ryde (5 miles east), Sandown (8 miles south-east), Shanklin (8 miles south-east), Ventnor (10 miles south) and Oakfield (5 miles east). For island and remote addresses, a little more planning is needed.

Local landmarks in Whippingham

Typical jobs here are in homes near Isle of Wight Studio School, Isle of Wight Studio School and Prince of Wales pub and the streets around them. The closest station to Whippingham is Ryde Pier Head station, about 4.7 miles east. Other landmarks nearby include St Mary's Hospital (2.5 miles south-west) and East Cowes Castle (1.8 miles north). Green spaces nearby include Mill Hill and Briddlesford Nature Reserve.

Map of Whippingham © OpenStreetMap contributors

The process

Every visit runs the same way: we look at the joints together, mask and protect the surrounding surfaces, do the work and tidy away. It generally takes a few hours for a handful of joints, longer for a whole elevation. Somewhere like Whippingham needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. We bring what the job needs, so it can be finished in one trip 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. The faces are brushed clean and primed where the product requires it.
  4. We fit closed-cell backing rod to control the depth.
  5. The exterior sealant is applied, tooled and checked along its length.

How to prepare

  • Tell us about access, such as stairs, a lift or high-level joints
  • Move anything stored near the joints
  • On commercial sites, let us know about site rules

Get a quote

The more we know about the job, the more useful the quote. Tell us where the job is, what’s wrong and how much there is, and email photos if that’s easy.

Ask for a quote

Related advice

What we can’t put right

We’ll always be straight with you, so here’s what new sealant won’t do:

  • Subsidence or other structural problems
  • Damp from another source, such as a leaking gutter or a bridged damp-proof course
  • Failed render or damaged cladding panels

If you are not sure, just ring 0345 464 0079 or email us and we’ll give you a straight answer before you book.

Joints and surfaces we work on

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

Work for landlords, hotels and businesses

Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.

Mouldy or split sealant often shows up at the end of a tenancy, and it’s easy to sort out between tenants. We can quote for more than one property at once.

DIY versus a professional finish

Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.

Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and getting the depth right matters as much as the look.

When to call us in Whippingham

Sometimes a movement joint was filled with mortar or a rigid filler, often by someone who didn’t know what it was for. The joint can’t move, so the wall cracks somewhere else instead.

People usually contact us after spotting one of these:

  • Weathered mastic that no longer stretches
  • Gaps where render, brick and frames meet
  • Leaking joints around cladding and façade panels
  • Rigid filler in a joint that should flex

Schools such as Queensgate Foundation Primary are buildings too, and its movement joints, gutters and trims need looking after like any other building’s.

What your quote should include

  • The length of the guarantee
  • Is the old sealant removed completely?
  • Whether you can choose the colour
  • How the surfaces are prepared before sealing

Choosing a sealant specialist

How we quote for external mastic

We quote each job individually. This is what makes a difference:

  • Access and height
  • Working hours on commercial sites
  • The number of rooms or windows
  • The number and length of the joints

The cost depends on the size of the job, how much old material has to come out and how easy the joints are to reach. You’ll have a clear quote before any work starts.

What we need to know

Photos by email are helpful but not essential. Try to tell us:

  • What the problem is, such as mould, gaps, leaks or cracking
  • Whether it’s a home or a business
  • Any previous sealing or DIY work
  • Where the job is, and your postcode

Need a quote? Please ring 0345 464 0079 or drop us an email with a few details. You’ll know what we plan to do, and what it will cost, before any work begins.

Whippingham questions

Does the coastal weather in Whippingham affect outside sealant?

Near the coast, wind-driven rain and, nearer the shore, salt air make outside sealant work harder. Choosing the right sealant for the frame and wall, laid at the right depth, helps it last.

Can you help a landlord with a rental near Ryde Pier Head station?

Yes, we work for letting agents and landlords. You can ring 0345 464 0079 or drop us an email with the address and a few details, and we will give you a fixed price before any work starts.

Do you take out the old sealant first?

Always. Sealing over the old bead is the commonest cause of early failure, and it’s something we never do.

Which products do you use?

Quality sealants from brands including Arbo and Everbuild, chosen to suit the joint. We explain the product when we quote.

How often do external joints need resealing?

That depends on the wall, the weather and the movement. Signs to watch for are cracking, hardening and gaps at the edges.

How much does external mastic cost in Whippingham?

The cost depends on the size of the job, access and how much old sealant has to come out. Ask us for a quote.

Can a movement joint be filled with mortar?

No. Rigid materials can’t move with the wall, so the joint stops doing its job. Where a joint has been mortared, it can often be raked out and sealed properly.

Will it make a mess?

No. The area is protected while we work and cleaned up afterwards.

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job