The Mastic Doctor team standing beside their branded vans outside an office building
Hampshire · England

Facade Sealing contractors in Hatherden

Facade joint and window perimeter sealing on commercial buildings throughout Hatherden and nearby, carried out by CSCS-carded applicators. CHAS accredited and fully insured.

  • Unsightly perimeter sealant on a visible elevation
  • Weathered joints at frame-to-structure perimeters
  • Weathered facade joints that have lost their grip
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
South East, London & Scotland
CHAS accredited
£5m public liability

Facade sealing for businesses in Hatherden

Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.

How we handle facade sealing in Hatherden

Some clients need every window on a block resealed; others need a few leaking frames sorted. The approach doesn’t change with the size: old sealant out, faces cleaned, depth set and a new bead tooled in. Each job carries our 12-month guarantee. Most enquiries involve patch repairs that keep failing and facade joints cracked through the middle, on window and door perimeters, cladding panel joints and perimeter joints where frames meet the structure. Most enquiries from Hatherden start with one failed joint and grow into a wider look at the building: we check the joints around it and give you an honest view of what needs doing now and what can wait.

Around smaller places like Hatherden, building work normally means conversions of farm buildings, a few new houses or an extension to a hall or school. Each still needs a proper mastic package: window perimeters, facade joints and internal sealant to the specification.

Every job we finish is backed by a 12-month workmanship guarantee, wherever the site is. If a joint we sealed fails because of how it was installed, we come back and put it right.

Place
Hatherden (SP11)
Region
Hampshire
Guarantee
A 12-month guarantee
Price
Quoted before any work starts
Telephone
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

When to call us in Hatherden

Sometimes the substrate is the problem: if the edge of the render, concrete or coating breaks away, the bead goes with it. We tell you when the edges need repairing before resealing.

Things that typically lead to an enquiry:

  • Air leaks through failed facade joints
  • Patch repairs that keep failing
  • Leaks at window and door perimeters
  • Hard, chalky sealant that no longer flexes

Recladding or extending a unit at a site like Portway Industrial Estate, 2.6 miles to the south of Hatherden, brings panel joints and frame perimeters into the programme.

Before you book anyone

  • Are they CHAS accredited or on Constructionline?
  • The named product and why it was chosen
  • Whether old or failed sealant will be cut out, not overlaid
  • Their plan for phasing and protecting the area

Choosing a commercial sealant contractor

Facade sealing around Hatherden: how the place shapes the job

Hatherden is in the South East, one of the UK’s drier regions. Even so, frost and condensation on steel and glass are common on winter mornings, so we time external mastic for dry faces and agree it with the site team. Hatherden is about 63 miles from central London. Towns within reach of London tend to keep building, from flats to offices and schools, and main contractors there need mastic that keeps to the programme.

Extensions at sites like Andover War Memorial Hospital, 2.6 miles south of Hatherden, normally sit beside working departments, and the mastic follows strict access rules. School extensions, at buildings such as Hatherden Church of England Primary School, normally run to the summer holidays, mastic included.

Hatherden is about 3 miles north of Andover, in Hampshire. If you’re looking for facade sealing in Hatherden, we can help. We work across 723 places in Hampshire, from busy centres to rural villages. We also cover Southampton, some 24 miles away.

Anyone looking for facade sealing in SP11 gets the same process as the rest of our area: send details, get a quote, we seal, guaranteed. Among the streets we cover are Hatherden Lane, The Close and Hatchet Lane, and sites on any of them can send details for a fixed quote. Close to Hatherden, our area also takes in Clanville (1 mile west), Foxcotte (2 miles south), Tangley (2 miles north-west), Penton Mewsey (2 miles south-west) and Charlton (2 miles south). Nearby towns on our patch include Andover (3 miles south), Hyde (15 miles south-east), Tidworth (7 miles west), Weeke (15 miles south-east), Ludgershall (5 miles west) and Whitchurch (8 miles east).

What’s near Hatherden

Locally, jobs take us to sites close to The Hare & Hounds pub and Harrow Way Community School, among other places. The nearest railway station is Andover station, roughly 2.9 miles south of the centre. Nearby you’ll also find Andover War Memorial Hospital (2.6 miles south) and Andover Museum (3.2 miles south-east). For a walk, there’s Mill Lake and Anton Lakes.

Map of Hatherden © OpenStreetMap contributors

How the quote is worked out

Quotes vary with the job. It mainly depends on:

  • Phasing around occupants
  • How much existing material needs removing
  • Induction, permit and paperwork requirements
  • How much there is to seal

The work involved drives the cost: stripping out, preparation, sealing, access and phasing. Call for a quote and we will explain how it’s made up.

Before you send an enquiry

The more we know, the firmer the quote. When you get in touch, include:

  • Anything awkward about access or site hours
  • Any specification or named product
  • Whether the building will be occupied during the work
  • Photos of the joints, close up and from further back

We quote a fixed sum against the scope you give us, so the cost is agreed before work starts. To ask for one, ring 01277 525 020 or email drawings and photos.

How a job runs

We follow your site rules from the start: sign-in, induction and whatever permit system the building uses. With the paperwork done, the joints are worked through in the order agreed with your site contact, and each area is checked before we leave it. If others near Hatherden need work, visits can be combined. You will have a fixed quote before work starts.

  1. We look at the joints, the drawings and the access before pricing.
  2. The old bead is cut away completely, not overlaid.
  3. Both faces are cleaned and, where the product needs it, primed.
  4. Backing rod, or bond-breaker tape in shallow joints, limits the depth.
  5. A facade-grade sealant rated for the movement goes in, tooled to a concave profile.
  6. We walk the finished joints with you before handing over.

What we need from you

  • Move anything stored against the joints
  • Send your site hours and access windows
  • Tell staff and tenants when we’ll be in

Get a fixed quote

Photos, drawings or a schedule of the joints and a fixed quote comes back to you. Where a site visit makes more sense, we’ll arrange one.

Get a quick quote

Advice

Why act early in Hatherden

Leaving failed perimeter sealant also makes the eventual job bigger: wet edges break down, so repairs may be needed before resealing. Acting at the first sign of splitting keeps the fix simple. One visit to deal with every failing joint makes more sense than several trips to a place like Hatherden, rather than one at a time. Photos of every joint help us quote for the whole job.

Larger quantities, tricky access or phasing all shape the price. Site requirements like inductions and permits play a part as well.

Why clients in Hatherden choose us

  • Old sealant cut out, never sealed over
  • Constructionline member
  • Commercial sealant work since 2005
  • Work carried out by CSCS-carded applicators

Take a look at what affects the cost and our accreditations.

Aftercare for building managers

To get the most from the new sealant:

  • Record the product and colour used on each elevation
  • Report water ingress at frames as soon as it shows
  • Clear debris that holds water against joints
  • Inspect facade joints on a regular cycle

Look at perimeter and panel joints as part of routine building checks. Watch for splits, gaps at the edges, hardening and discolouration; note where they appear.

Deal with sections that fail early as soon as they show. A few metres resealed promptly can stop water damage spreading inside the building.

Questions we’re asked in Hatherden

Would you work within a site like Andover War Memorial Hospital?

Yes, hospitals are one of the sectors we cover. The estates team’s permit system and infection-control rules come first, and the work is planned around them.

Is Hatherden too small for you to travel to?

Not at all: smaller places are covered as well as towns. Our area covers London and the South East counties. Where we can, we group nearby jobs to make the most of each trip.

Can you follow the specification on our project?

Yes. We follow the specification, along with the manufacturer’s installation guidance.

Is the work guaranteed?

Yes. It runs for twelve months and covers how we prepared and sealed the joints, though not damage or work by other trades.

Do you hold CHAS accreditation?

Yes. CHAS accredited, Constructionline member, and our applicators hold CSCS cards.

Do you have public liability insurance?

Yes. We’re fully insured, and the certificate can go with your quote.

How is access to upper-level joints handled?

That varies with the building and the access on offer. When you call the office on 01277 525 020 or use the quote form, describe the access, and we will plan the work with you.

What the job involves on each surface

Render and coated surfaces

Sealant can only hold as well as the render or paint beneath it. Loose coatings are cleaned back first.

Perimeter joints at frames and structure

Where framed systems such as shopfronts meet the building structure, there is a perimeter joint to seal. Our work is that perimeter joint, not the framing or glazing itself.

Accreditations

Trusted. Accredited. Insured.