West Berkshire · England

External & façade joints in Wickham Heath, West Berkshire

Movement joints in Wickham Heath need attention? We cut out the old, prepare the joints and apply the right sealant.

  • Water getting into walls through failed joints
  • Brick movement joints where the sealant has split
  • Panel joints letting water in

External mastic for Wickham Heath homes and businesses

External mastic in Wickham Heath

A movement joint is a deliberate break that lets a wall expand and contract. Its sealant has to flex with the building, season after season, so once it splits or hardens, the joint stops working and water gets in. If you have rigid filler in a joint that should flex and sealant pulling away from one side of the joint, we can help, whatever the surface.

In a village or hamlet like Wickham Heath, older cottages and farm buildings often stand in the open, where walls and rooflines take the weather head on. Gutter joints and wall joints there need a sealant that can flex and stay put.

All of our work is guaranteed for twelve months, and the guarantee is the same wherever you are.

Place
Wickham Heath (RG20)
Wider area
West Berkshire
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

How we quote for external mastic

Jobs vary more than people expect. What affects the quote:

  • The number and length of the joints
  • How easy the joints are to reach
  • The number of rooms or windows
  • The old material and how stubborn it is

Every job is a little different, so each one gets its own quote. The number of joints, how easy they are to reach and the sealant needed all make a difference, and we’ll explain the quote if you ask.

Helping us quote

Before you ask for a quote, have a think about:

  • The type of property
  • What the problem is, such as mould, gaps, leaks or cracking
  • Where the property is
  • Pictures of the joints, sent by email

A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints, and add photos by email if you can.

Common questions in Wickham Heath

Is Wickham Heath in your area for external mastic?

Yes. Our work covers London and the South East, and Wickham Heath is part of that. You can call 0345 464 0079 or send us an email and tell us what needs doing.

Is Wickham Heath within the area you cover?

Yes, we do. Our work covers London and the South East, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.

Will the new joint stand out?

We choose a sealant colour to suit the brick, stone or render so the joint blends in. There’s a wide choice of exterior colours.

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 what access is needed.

Is it worth trying it myself?

Some simple jobs can be done by a careful DIYer. Most DIY failures come from sealing over old material, wet joints or too much sealant.

Are you ARBOMaster approved?

Yes. Mr Mastic is an ARBOMaster approved applicator and we are fully insured too.

Do you do commercial work?

Yes, regularly. Larger jobs can be planned room by room or area by area to suit the site.

Do you use backing rod?

The foam is closed-cell backing rod. It stops the sealant going in too deep and bonding to three sides.

Do you need external mastic in Wickham Heath?

Weeds, moss and debris in a joint are a sign the sealant has gone. Roots and dirt hold water against the wall.

Most people get in touch after spotting one of these:

  • Moss and dirt in joints with no sealant left
  • Rain getting behind render or cladding at a joint
  • Joints with sealant missing in places
  • Cracked joints where brick meets render or frames

Homes close to Parish Church of St Andrew include some older properties, and the joints between older walls, newer extensions and the roofline need a sealant that can move.

What to look for in a quote

  • Is VAT in the price?
  • Whether you can choose the colour
  • What insurance they hold
  • How the surfaces are prepared before sealing

How to choose a mastic man

Wickham Heath buildings and the weather

Historic houses like Benham Park (about 1.8 miles south-east) are a reminder that the area around Wickham Heath has older buildings as well as new. In older buildings, older walls and rooflines need a sealant that moves with them and suits the material. London and the South East are among the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.

Letting a property close to Kintbury station? Then outside joints that have cracked can let damp into a rental, so check them between lets. If you look after a building such as Stockcross C.E. School, movement joints, cladding joints and gutters on larger buildings need the same care as a house’s.

Wickham Heath is about 4 miles north-west of Newbury, in West Berkshire. Homes, rented property, offices and hotels in Wickham Heath can book us for external mastic, old or new, large or small. The work is guaranteed for a year. Our West Berkshire coverage runs to 155 places, and Wickham Heath is one of them. Our Reading page covers work nearby (18 miles or so).

All of RG20 is within our area for external mastic, from the main roads to the quietest streets. We also cover Stockcross (1 mile south-east), Boxford (1 mile north-east), Marsh Benham (2 miles south), Bagnor (2 miles south-east) and Winterbourne (2 miles north-east). Within a short drive, we also cover Newbury (4 miles south-east), Thatcham (6 miles east), Burghfield Common (14 miles east), Speenhamland (3 miles south-east), Hungerford (5 miles west) and Calcot (15 miles east).

Local landmarks in Wickham Heath

We work in homes and buildings around The Bell pub and the streets around them. The closest station to Wickham Heath is Kintbury station, roughly 2.7 miles south-west. Nearby you’ll also find British Balloon Museum & Library Ltd (3.5 miles south-east) and Hamstead Marshall 3 (1.9 miles south). For a walk, there’s Sole Common Pond.

Map of Wickham Heath © OpenStreetMap contributors

What sealant work cannot fix

Honest advice matters more to us than a booking, so here’s what new sealant will not do:

  • Rising or penetrating damp from elsewhere in the wall
  • Structural movement, which needs a surveyor or engineer
  • Loose or hollow render, which needs re-rendering

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

Joints and surfaces we work on

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

What happens if it’s left?

A properly done movement joint is an even line in a colour that suits the wall. A rushed bead with no backing looks untidy and doesn’t last so it’s worth doing right. In a small place like Wickham Heath, homes can be exposed to wind and rain, which finds any gap, and older walls, once damp, take a long time to dry.

Some things make a job bigger or smaller: how much old sealant there is and how stubborn it is, whether mould needs treating, and whether the work is at height. Your quote takes all of that into account.

Why book with us

  • A choice of colours where the product allows
  • An ARBOMaster approved applicator
  • Tidy, careful work
  • We are fully insured

Take a look at how sealant jobs are priced or customer reviews.

Looking after it afterwards

Good habits help new joints last longer. Our tips:

  • Avoid pressure-washing directly into sealant joints
  • Check external joints each spring
  • Never let anyone fill a movement joint with mortar
  • Clear growth from the base of walls and joints

Make sure anyone working on the wall later knows where the movement joints are. They should be kept open and resealed, not filled.

Gaps, plants or missing sealant in a joint are worth getting looked at. Early work is quicker and leaves a better finish.

How it works

Before we leave, we go over the finished joints with you and explain the cure time. The work normally takes anything from a few hours to several days, depending on the building, depending on the amount of work. Somewhere like Wickham Heath needs a little journey planning: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.

  1. We inspect the joints and agree which need resealing and how they’ll be reached.
  2. Old sealant and any debris are cut and raked out.
  3. We clean both faces of the joint and prime them where the product calls for it.
  4. We push in closed-cell backing rod so the sealant is the right depth and bonds to the sides only.
  5. The new sealant, chosen to suit the brick or render, is applied and tooled to a neat finish.

Before we arrive

  • Mention any leaks or damp you’ve noticed
  • Keep children and pets away from the work area
  • Mention if the joints have been sealed before

Ask for a quote

We quote each job on its own, so start by telling us what you need. Simply phone 0345 464 0079 or email us and describe the job.

Get a quick quote

Read more

DIY sealant or a professional job?

Some jobs are best left to a professional: work at height, external movement joints, fire-rated sealant and large areas call for the right materials, safe access and experience.

Sealing over old silicone is the commonest DIY error. New silicone won’t bond to old, so it peels away and traps moisture behind it. All the old material has to come out first.

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