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

Facade and window perimeter sealing in Green Street, East Sussex

Facade sealing for Green Street, from a contractor working since 2005. Fully insured, with a 12-month guarantee.

  • Water coming in around window frames
  • Staining on stone next to old sealant
  • Weathered facade joints that have lost their grip
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
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
London, the South East & Scotland
Constructionline member
£5m public liability

Facade sealing near Green Street

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

Facade sealing for commercial buildings in Green Street

Every facade quote starts with how the joints will be reached. Tell us about access: whether scaffold is already up, what the client is arranging, and any restrictions on the site. If you are dealing with old perimeter mastic that has dried out and sealant pulling away from frames or panels, we can help, on perimeter joints where frames meet the structure, window and door perimeters and coping and flashing joints alike. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: on jobs in Green Street, preparation and product choice get the time they need.

Construction in and around smaller places such as Green Street is often barn conversions, small groups of houses or extensions to halls and schools. 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 our installation lets you down in that time, we return and fix it.

Place
Green Street (TN38)
Wider area
East Sussex
Guarantee
12 months on our workmanship
Quotes
Fixed quote, scope in writing
Telephone
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

Different surfaces, different methods

Brick and stone facades

Stone can absorb plasticisers from the wrong sealant. The specified stone-compatible sealant is what we use, and mask the edges carefully.

Coping and flashing joints

Not every coping or flashing leak is a sealant problem. We tell you if the fix is a roofing or metalwork job rather than a reseal.

Site staff or a sealant specialist?

General builders and handymen seal joints, but it isn’t their main trade. A specialist prepares properly, controls joint depth and picks a product with the right movement class, which is what makes a joint last.

Using site staff can make sense for a small touch-up, but larger jobs are different: a specialist works through quantities efficiently, leaves a consistent finish and backs it with a 12-month guarantee.

Why it’s worth doing now in Green Street

Resealing a few window perimeters is a small job; repairing water-damaged interiors and fixings is not. Water through a failed joint rarely stays where it starts. One visit to deal with every failing joint makes more sense than several trips to a place like Green Street. Photos of every joint help us quote for the whole job.

Cost follows what’s involved: stripping out, preparation, sealing, access and phasing. Call for a quote.

Why appoint us

  • CHAS accredited
  • Workmanship guaranteed for 12 months
  • RAL and finish matching where the product range allows
  • Fully insured

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

Looking after the joints

After handover, a little attention goes a long way:

  • Inspect facade joints on a regular cycle
  • Keep the sealant details on the building file
  • Clear debris that holds water against joints
  • Investigate damp beside windows promptly

After heavy weather, check vulnerable elevations for signs of water inside. Catching a new leak early keeps the repair small.

Use each reseal to correct the joint: correct depth, proper backing and a sealant that can take the movement. A well-designed joint lasts longer than a like-for-like copy of a failed one.

From enquiry to sign-off

We schedule the visit to fit the site hours and access windows you give us. While we are working, the area stays contained and tidy, and we check in with your contact before moving on to each new area. If others near Green Street need work, visits can be combined, which keeps travel down. You’ll have a fixed quote before work starts.

  1. We look at the joints, the drawings and the access before pricing.
  2. Failed sealant is cut out along its full length.
  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.

Preparing the site

  • Flag any permit to work we’ll need
  • Tell staff and tenants when we will be in
  • Share the asbestos register for older buildings

Ask for a quote

Let us know the site, the scope and your timescale, and a fixed quote will follow. To get it moving, call the office on 01277 525 020 or email us.

Ask for a quote

Advice

Your questions answered

Can you work on a hospital site such as Bexhill Hospital?

Yes, provided the work is planned with the site’s estates team. Work is phased so departments keep running, under the site’s own rules.

Does the sea air around Green Street change the choice of sealant?

It can. Wind-driven rain and, closer to the shore, salt air are harder on external joints. Product choice and preparation matter more, and sea-facing elevations are worth inspecting more often.

Can the building stay open while you work?

Typically, yes. Phased work can be planned so areas stay in use.

Do you run new sealant over the existing bead?

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

Do you work in Green Street?

Yes. We take on work across Green Street, and the same phone number covers every area.

How do I request a quote?

There are four steps: send details, receive a fixed quote, we carry out the work, and it’s guaranteed. The first step only needs photos and a postcode.

How long does a typical visit take?

That varies with the scale of the job, though a typical visit typically takes a day or two for a few elevations, and longer where access has to be moved around the building. Larger or phased jobs take longer, and we’ll give you a timescale with the quote.

Work for main contractors and building owners

We work for building owners and managing agents on sealant work across single buildings or whole portfolios around Green Street. One quote can cover more than one site, which keeps the paperwork simple.

When you manage a building on behalf of an owner, clear figures and clear communication matter. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative.

New build and refits around Green Street

Green Street lies within about 3 miles of the sea. Facades and window perimeters on coastal schemes take more wind-driven rain, and salt air nearer the shore, and the sealant, primer and backing need choosing with that in mind. The area within 2 miles of Green Street holds a number of hotels. Hotel schemes tend to have fixed reopening dates, so the mastic is programmed tightly with the other trades.

Older buildings in the area around Green Street, such as Durhamford Manor, 4.4 miles to the north of Green Street, need care when sealed: the product has to suit soft or historic materials. Units on estates such as Pebsham Rural Business Centre (to the south of Green Street) tend to be reclad and refitted as tenants change, and each job leaves cladding and perimeter joints to seal. When a school such as Crowhurst CofE Primary School is extended or refurbished, the mastic package is often squeezed into the holidays.

Green Street is about 2 miles west of Hastings, in East Sussex. Our applicators travel to Green Street for work on facade joints, handled exactly as we handle every other area. 308 places across East Sussex fall within our area, including Green Street. Sites around Brighton have their own page, roughly 28 miles from Green Street.

We take on facade joints across the TN38 postcode area, for business premises of every kind. Just outside Green Street, we also work in Crowhurst (1 mile north-west), Hollington (2 miles east), Bulverhythe (2 miles south), Silverhill (2 miles east) and Baldslow (2 miles north-east). Bigger towns within reach include Eastbourne (12 miles south-west), Bexhill-on-Sea (3 miles south-west), Hailsham (11 miles west), Polegate (12 miles west), Hastings Old Town (4 miles south-east) and Old Town (13 miles south-west).

Near you in Green Street

Around Green Street, our work takes us to commercial buildings near The St Leonards Academy, Filsham Reedbed and The Plough Inn and the streets around them. The closest station to Green Street is Crowhurst station, about 0.8 miles north-west of the centre. Well-known places in the area include Hastings Castle (3.6 miles south-east) and Bexhill Hospital (2.5 miles south-west). Green spaces nearby include Church Wood and Robsack Wood and Senlac Hill.

Map of Green Street © OpenStreetMap contributors
Accreditations

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