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

Hannington facade sealing

Facade joint and window perimeter sealing on commercial buildings across Hannington, by CSCS-carded applicators. CHAS accredited and fully insured.

  • Failed seals around shopfront and entrance frames
  • Sealant pulling away from frames or panels
  • Unsightly perimeter sealant on a visible elevation
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
12-month guarantee on our workmanship.
South East, London & Scotland
CHAS accredited
Fully insured: £5m PL

Facade sealing for businesses in Hannington

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

Signs you need facade sealing in Hannington

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.

If one of these sounds familiar, it’s time for a closer look:

  • Old perimeter mastic that has dried out
  • Perimeter joints where frames meet the structure
  • Staining on stone next to old sealant
  • Damp patches beside frames after rain

New wings at hospitals like Park Prewett Hospital, 4.8 miles east of Hannington, bring long runs of window and panel joints to seal.

Comparing quotes

  • Are they CHAS accredited or on Constructionline?
  • What site paperwork they can supply
  • Do they follow the manufacturer’s priming guidance?
  • Whether their applicators hold CSCS cards

Our contractor checklist

Facade sealing for commercial buildings in Hannington

Access is part of every facade job, and we plan it with you before quoting. Let us know what access exists or is planned, and any site rules we need to work around, and we will fit the work around it. If you have sealant pulling away from frames or panels and failed sealant on precast panel joints, we can put it right, on stone and brick facade joints, perimeter joints where frames meet the structure and window and door perimeters alike. One point of contact handles commercial sealant work in Hannington from the first photographs to the final walk-round, for single jobs and planned programmes alike.

Conversions of older rural buildings near smaller places such as Hannington bring stone, flint, brick and timber up against new glazing. Those joints need a sealant that suits an uneven, sometimes porous surface, and often a colour chosen for the building.

We sign every job off with a 12-month guarantee. The promise is simple: if our work fails within that year, we put it right.

Where
Hannington (RG26)
Wider area
Hampshire
Cover
12 months on every job
Quotes
Fixed quote, scope in writing
Phone
01277 525 020
Updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

Building and refurbishing in Hannington

Rainfall across the South East, Hannington included, is lower than in many parts of the UK. Winter mornings still bring frost and condensation on frames and panels, which is why external dates are agreed with the site manager. Central London is about 51 miles from Hannington. Commuter-belt towns tend to see a steady flow of new flats, offices and commercial schemes, which keeps mastic packages in demand.

On any site in or around Hannington, the mastic follows the specification and the programme.

Hannington is about 5 miles south-west of Tadley, in Hampshire. Commercial clients in Hannington use us for work on facade joints. Across Hampshire, 723 places are covered, Hannington among them. Our Reading page has more on work in that area, about 15 miles away.

Anyone looking for facade sealing in RG26 gets the same process as the rest of our area: details, then a fixed price, then sealing and a 12-month guarantee. Streets here include Meadham Lane and Ibworth Lane, and sites on any of them can send details for a fixed quote. Nearby places we also cover include Kingsclere (2 miles north-west), Ibworth (2 miles south-east), Wolverton (2 miles north-east), Townsend (2 miles north-east) and Wolverton Common (3 miles north-east) for facade joints. Bigger towns within reach include Basingstoke (6 miles south-east), Andover (13 miles south-west), Alton (15 miles south-east), Tadley (5 miles north-east), Hook (12 miles east) and Popley (6 miles east).

What’s near Hannington

Around Hannington, our work takes us to commercial buildings near The Vine pub. The nearest railway station is Overton station, roughly 3.4 miles south-west. A little further out are Park Prewett Hospital (4.8 miles east). Green spaces nearby include Ladle Hill.

Map of Hannington © OpenStreetMap contributors

What sets the cost

The price varies from site to site. Expect it to depend on:

  • The total length or number of joints
  • How accessible the joints are
  • The site’s rules and procedures
  • Specialist products, such as fire-rated or hygienic sealants

The work involved drives the cost: removing old material, preparing the joints, the product, the access and how the work is phased. Call for a fixed quote.

Before you send an enquiry

It doesn’t need to be a full survey. A few details are enough to get going:

  • The asbestos register, for older buildings
  • The type of building and who uses it
  • The postcode of the building
  • Access details, including height

Send us photographs, drawings or a joint schedule are often enough for a fixed quote. Where a site visit makes more sense, we will arrange one.

Why it’s worth doing now in Hannington

Leaving failed perimeter sealant also makes the eventual job bigger: wet edges break down, so repairs may be needed before resealing. Early action keeps it simple. For buildings around smaller places like Hannington, water damage can go unnoticed for longer, especially where a building isn’t used daily, which gives a failed joint time to do damage. Resealing early avoids that.

Every site prices differently: joint size, product, access and site hours all play a part. Send the details and a fixed figure follows.

Why us?

  • Specification-led, product-correct work
  • Colours confirmed for the specified product
  • Our applicators hold CSCS cards
  • A Constructionline member, so easy to vet

See our cost guide or our accreditations and insurance.

Common questions from Hannington clients

Is Hannington too far out for you?

No. Small places get the same service as large ones. London and every South East county are within our area. Where we can, we group nearby jobs to make the most of each trip.

Do you take on work at healthcare sites like Park Prewett Hospital?

Yes. Healthcare sites are among the places we work. Each area is agreed with the ward or department and the estates team in advance.

Who decides which product is used?

Where there’s a specification, we use the product it names. If not, we choose for the movement, the surfaces and the conditions, in line with the manufacturer’s guidance.

Is it okay to overlay old mastic?

No. Overlaying is a shortcut that peels away quickly. We remove the failed sealant, clean the faces, set the depth and reseal.

Will you check whether the sealant is causing the leak?

Yes. Photos help, and you can give us a call on 01277 525 020 or send details through our quote form to arrange a visit. Failed perimeter sealant is a common cause, but not the only one, and we will tell you which.

How long does a typical visit take?

The duration is planned around your programme and the access we’re given. We will give you an estimate of time on site when we quote.

How long do sealant joints last?

There isn’t a single answer, since movement, weather, cleaning and use all affect it. Regular inspection is the best way to catch problems early.

Honest limits

Being straight saves everyone time. New sealant won’t cure:

  • Leaks from roofs, gutters or failed flashings rather than sealant joints
  • Render or concrete edges that have broken away
  • Replacing glass or failed glazing units

If you’re not sure, just ring 01277 525 020 or email a schedule or drawings and we’ll give you a straight answer before you book.

Where we work in Hannington

  • Window and door perimeters
  • Perimeter joints where frames meet the structure
  • Stone and brick facade joints
  • Coping and flashing joints
  • Cladding panel joints
  • Shopfront frames

When to bring in a specialist

A short, simple internal joint is often within reach of a maintenance team. The usual problems come from preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.

General builders and handymen seal joints, but it isn’t their main trade. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint, which is what makes a joint last.

Our process

The first thing on site is a walk round with your contact, agreeing which joints are in scope, where to start and what must stay open. After that, any old or failed material is removed, each joint is prepared and the new sealant goes in. Smaller jobs around Hannington can be grouped with others nearby, which keeps travel down. A fixed quote is given before anything starts.

  1. First we review photographs, drawings or what we saw on a visit, and agree how each joint will be reached.
  2. The old bead is cut away completely, not overlaid.
  3. Joint faces are cleaned to firm, sound material, with primer where the sealant maker specifies it.
  4. Backing rod, or bond-breaker tape in shallow joints, limits the depth.
  5. The new sealant goes in and is tooled firmly onto both faces.
  6. We walk the finished joints with you before handing over.

Preparing the site

  • For older buildings, check the asbestos register before work
  • Move anything stored against the joints
  • Tell us your opening times and when work is allowed

Getting a fixed quote

Every job follows the same four steps: send details, get a quote, we seal, guaranteed. To take the first step, call 01277 525 020 or email us.

Get a price

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Accreditations

Trusted. Accredited. Insured.