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

Facade and window perimeter sealing in Hambrook, West Sussex

Facade joint and window perimeter sealing on commercial buildings throughout Hambrook and nearby, by CSCS-carded applicators. Fully insured and CHAS accredited.

  • New sealant peeling off old mastic
  • Perimeter joints where frames meet the structure
  • Perimeter sealant that has split or peeled away
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
Covering the South East & Scotland
CHAS & Constructionline
£5m PL insurance

Facade sealing in Hambrook

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

Your questions answered

Is Hambrook too far out for you?

No. Places such as Hambrook are covered as much as the big towns. We work across Greater London and the South East. We plan jobs in smaller places so return trips are kept to a minimum.

Do you cover business parks and estates near Hambrook, such as Hambrook Business Park?

Yes. We cover Hambrook and the area around it, including industrial estates, business parks and retail parks such as Hambrook Business Park. A few photos and the unit address let us price the work.

Do you replace failed glazing units?

No. A glazing contractor handles that. What we seal are the joints around frames and panels.

Are you CHAS accredited and on Constructionline?

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

How long do sealant joints last?

There isn’t a single answer, because life depends on how much the joint moves, how exposed it is and how it’s cleaned and used. Regular inspection is the best way to catch problems early.

Do you guarantee your work?

Yes. The 12-month guarantee covers our preparation and application, though not damage or work by other trades.

What type of sealant goes on window perimeters?

It depends on the joint, the substrate and any specification. Specifications often refer to BS EN 15651-1 for facade sealants or BS EN 15651-2 for glazing and we follow the specified product.

How we handle facade sealing in Hambrook

Sealant around windows, doors and cladding panels stops rain reaching the wall behind. When a perimeter bead splits or peels, water finds its way behind frames and into the structure. We cut out failed facade joints and reseal them with a facade-grade sealant suited to the movement. If you’re dealing with hard, chalky sealant that no longer flexes and water coming in around window frames, we can put it right, whatever the surface. Facilities teams, main contractors and managing agents in Hambrook tend to want the same three things: a fixed quote, no surprises on site and a 12-month guarantee behind the result.

Conversions of older rural buildings near smaller places such as Hambrook bring stone, flint, brick and timber up against new glazing. A product that grips an irregular face, with a colour that suits the building’s character, is typically what’s needed.

Every job is signed off with a 12-month guarantee. It’s a plain promise: if our work fails within that year, we put it right.

Place
Hambrook (PO18)
Wider area
West Sussex
Guarantee
A 12-month guarantee
Quote
Quoted before any work starts
Phone
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

Diagnose, treat, sign off

Site rules come first: 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. Smaller jobs around Hambrook can be grouped with others nearby, which keeps travel down. A fixed quote is given before anything starts.

  1. Access, site rules and timing are settled with the client up front.
  2. Weather and temperature are checked against the product’s limits.
  3. We remove the old bead and check the edges are sound.
  4. Faces are cleaned, primed where needed and backed.
  5. Sealant is gunned in and tooled hard onto both faces.
  6. We hand over with our 12-month workmanship guarantee.

Getting the site ready

  • Point out parking and an unloading spot
  • Make sure the joints can be reached
  • Flag any permit to work we’ll need

Getting a fixed quote

The quickest route to a quote is a few photographs and the site postcode. Upload them with the quote form, or call the office on 01277 525 020 or email a schedule or drawings if you’d rather talk the job through.

Get a quick quote

Advice

Building and refurbishing in Hambrook

Hambrook is within about 2 miles of the coast. Schemes this close to the sea see their facade joints tested by wind and rain from the day they’re sealed, so joint design, primers and product choice deserve extra care. Hambrook is about 56 miles from central London. Building activity in the commuter belt runs from new flats near stations to business park refurbishments, so mastic packages have to keep pace with busy programmes.

Older buildings in the area around Hambrook, such as Warblington Castle, 3.8 miles west of Hambrook, need care when sealed: the product has to suit soft or historic materials. For contractors refurbishing units at places like Hambrook Business Park, which lies north of Hambrook, the mastic covers cladding panels, roller-door and window perimeters.

Hambrook is about 5 miles west of Chichester, in West Sussex. We send applicators to Hambrook for facade joints, handled exactly as we handle every other area. Across West Sussex, 373 places are covered, Hambrook among them. We also cover Portsmouth, around 9 miles from Hambrook.

Business premises anywhere in PO18 are within our area for facade joints. Among the streets we cover are Kingfisher Close, Dragonfly Grove and Pipistrelle Way. Close to Hambrook, our area also takes in Nutbourne (1 mile south), Funtington (1 mile north-east), West Ashling (1 mile east), Chidham (1 mile south) and Racton (2 miles north). A short drive away, we cover Bognor Regis (10 miles south-east), Chichester (5 miles east), Selsey (9 miles south-east), Portfield (5 miles east), Yapton (12 miles east) and East Wittering (6 miles south).

Around Hambrook

Locally, jobs take us to sites close to Bourne Community College and the streets around them. The closest station to Hambrook is Nutbourne station, about 0.6 miles south of the centre. Other landmarks nearby include Havant War Memorial Hospital (4.7 miles west) and Emsworth Museum (2.5 miles west). Not far away are Nutborne Marshes and Stoke Down.

Map of Hambrook © OpenStreetMap contributors

Leave it or put it right?

Every shower drives water through a split perimeter bead. Behind the frame, that can mean damp plaster, stained ceilings, corroded fixings and damaged insulation. Resealing early costs far less than repairing what the water reaches. Around Hambrook, it’s better to renew all the failing joints at once. Send photos of each area and we’ll quote for the lot.

Cost follows what’s involved: stripping out, preparation, sealing, access and phasing. Call for a fixed quote and we will explain how it’s made up.

Why appoint us

  • One number for every site we cover
  • Workmanship guaranteed for 12 months
  • A fixed quote before work starts
  • Joints cleaned back to sound surfaces

Read how commercial sealant jobs are priced and our accreditations.

Commercial clients in Hambrook

When you manage a building on behalf of an owner, clear figures and clear communication matter. You get a fixed quote, an agreed scope and a walk round at the end, plus a 12-month guarantee.

We take on planned maintenance as well as one-off repairs: resealing failed joints building by building, on a schedule that suits your budget. Sites in Hambrook can sit alongside others in a wider programme.

When to call us in Hambrook

When the sealant tears down its centre, it has normally been asked to move more than it can. Too thin a bead, too narrow a joint or a product with the wrong movement class are common reasons.

These are often picked up first by site or facilities staff:

  • Hard, chalky sealant that no longer flexes
  • Staining on stone next to old sealant
  • Leaks at window and door perimeters
  • Failed sealant on precast panel joints

When a school such as Chidham Parochial Primary School is extended or refurbished, the mastic package is often squeezed into the holidays.

What your quote should include

  • Will RAMS and insurance details be available?
  • Whether their applicators hold CSCS cards
  • The named product and why it was chosen
  • Will failed sealant be removed rather than covered?

Choosing a commercial sealant contractor

Cost factors for facade joints

What shapes the price:

  • Travel to remote or island sites
  • Site requirements such as inductions and permits
  • Removal of failed or old sealant
  • Whether the work must be split into stages

Access often affects the price as much as the sealing: easy-to-reach joints are quicker than those that need equipment to get to. Tell us how the joints are reached and call for a quote.

What to include in your enquiry

Good information means a firmer quote. Helpful details to send:

  • What the building is and how it’s used
  • Photos of the joints, close up and from further back
  • The postcode of the building
  • How the joints are reached, and at what height

Photos, drawings or a schedule of the joints and a fixed quote comes back to you. If the job needs a look first, we’ll arrange a site visit.

What we can’t put right

Before quoting, we check that sealant is the right answer. It won’t put right:

  • Cracked or spalling substrates that need repair before sealing
  • Movement beyond what any sealant can handle
  • Providing access systems for the work

If in doubt, call 01277 525 020 or email drawings and photos and we’ll say what we think before you book.

Joints and surfaces we work on

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

Trusted. Accredited. Insured.