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

Commercial sealant contractors in Broad Street, East Sussex

Sealant work for offices, shops, hotels and other commercial buildings in Broad Street and across East Sussex. CHAS accredited, Constructionline member, with a 12-month guarantee on workmanship.

  • Smeared sealant across finishes from a rushed job
  • Expansion joints with the sealant torn out
  • Frame mastic that has hardened and come away from the wall
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
Signed off, with 12 months’ guarantee.
London, the South East & Scotland
CHAS & Constructionline
Fully insured: £5m PL

Commercial sealant contractors for businesses in Broad Street

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

Commercial sealant contractors for commercial buildings in Broad Street

A reseal stands or falls on the preparation underneath it. Silicone has no grip on cured silicone, so the failed bead is cut out completely and the faces are cleaned until they’re sound and dry, with no dust or grease left. Where the sealant maker specifies a primer for that substrate, it goes on before the new bead and the joint depth is controlled with backing rod. If you have frame sealant that has cracked, shrunk or pulled away and black mould through washroom sealant that won’t clean off, we can help, whatever the surface. Facilities teams, main contractors and managing agents in Broad Street tend to want the same three things: a clear scope, tidy work and joints that don’t fail again.

We price commercial jobs in Broad Street from photos, drawings or a site visit, and the scope is set out in writing.

A job in a smaller place like Broad Street is usually a single building. We plan the visit so everything on the list is done in one go, with the right products and colours on hand.

We stand behind the joints we seal with a 12-month guarantee. It covers how we prepared and applied the sealant, and we come back if anything isn’t right.

The Mastic Doctor team standing beside their branded vans outside an office building
Where
Broad Street (TN36)
Region
East Sussex
Guarantee
12 months on our workmanship
Price
A fixed quote before we start
Call
01277 525 020
Last updated
3 November 2026

Honest limits

Part of a good diagnosis is knowing where sealant stops. We will tell you if the real problem is any of the following:

  • Roof leaks that only look like a joint problem
  • Removing asbestos-containing materials (a licensed or specialist contractor’s job)
  • Walls or slabs moving more than any sealant can take

Not sure which it is? You can call 01277 525 020 or email the details over and we will tell you honestly before you book.

What we seal

  • External facade joints
  • Washrooms and tea points
  • Movement joints in walls and floors
  • Window and door perimeters
  • Floor and threshold joints
  • Kitchen worktops and splashbacks

Broad Street: questions and answers

Can you match sealant colours for premises in Broad Street?

Yes, sealants come in a wide range of standard colours, and matching to RAL references, cladding, stone or frames is a common request. Available colours for the product are confirmed with the quote.

Can being near the sea in Broad Street affect the sealant we need?

It can. Coastal exposure works external joints harder than inland weather. We choose the product for the exposure, prime where the manufacturer requires it and size the joint for its movement.

Is your work guaranteed?

Each job sits under our 12-month guarantee. Keeping joints clean and inspected helps them last well beyond that.

Do you work in Broad Street?

Yes. Broad Street is in our area, within our coverage of Greater London, South East England and Scotland. For a quote, phone 01277 525 020 or email us.

How long before the joints can be used?

Curing time varies by product, and we confirm it on the day.

How long does a job like this take?

The duration is planned around your programme and the access we’re given. You’ll have an expected duration with the quote.

Can areas stay open during the work?

Most of the buildings we work in stay occupied. Only the area being sealed is closed, and the sequence is agreed in advance.

Our process

Before we leave any area, we remove the tape, clean down and inspect every joint with your site contact. Where the sealant needs time to cure before use, we tell you and sign the area. Smaller jobs around Broad Street can be grouped with others nearby. A fixed quote is given before anything starts.

  1. First, details reach us through the quote form or a site visit.
  2. We diagnose the cause of failure and price a fixed scope.
  3. Work is phased around your occupiers where areas need to stay in use.
  4. Every failed bead is removed rather than covered.
  5. Each joint gets a suitable sealant, laid to depth and tooled.
  6. A final walk-round, then the 12-month guarantee applies.

What we need from you

  • Confirm the product named in the specification
  • Make sure the joints can be reached
  • Send your site hours and access windows

Ask for a quote

Quotes are fixed against the scope you send, so you know the figure before anyone is on site. To ask for one, call the office on 01277 525 020 or email the details over.

Get a price

Read more

Signs you need commercial sealant contractors in Broad Street

If only one face has lost its grip, that’s an adhesion failure. Typical reasons include rushed preparation, no primer where one was needed, dust or release agents on the surface, or three-sided adhesion. It’s one of the commonest faults we find on earlier work.

Typical triggers for a call:

  • Leaks that seem to come through a sealant line
  • Sanitary sealant that has gone black and patchy
  • Smeared sealant across finishes from a rushed job
  • A top-up bead over failed sealant, now lifting

Shops and cafés around stations like Doleham station, 1.8 miles west of Broad Street, trade from early, so work is timed around them.

What your quote should include

  • Will CSCS-carded applicators be on site?
  • How long is the guarantee, and what does it include?
  • Which product they’ll use, and why it suits the joint
  • Their approach to joint depth and backing

Our contractor checklist

Should maintenance staff do it?

A short, simple internal joint is often within reach of a maintenance team. Where it goes wrong is preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.

Redoing a failed joint normally costs more than getting it right at the outset, since all of it has to come out and the faces be cleaned back again. For that reason, many FMs and contractors use a sealant specialist from the outset.

What Broad Street’s businesses ask us to seal

Broad Street lies within about 3 miles of the sea. Exposed frontages near the sea are hard on sealant, so the product has to suit the weather as well as the look. A matched colour is only half the brief on an exposed frontage. Broad Street is in the South East, one of the UK’s drier regions. Even so, outside sealing waits for a dry joint, and cold, damp mornings can delay it.

Whatever the building in Broad Street, commercial sealant work starts with cutting out the failed bead and cleaning the joint back to sound material.

Broad Street is about 5 miles north-east of Hastings, in East Sussex. We cover Broad Street and the rest of East Sussex, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. Broad Street is one of 308 places in East Sussex on our list. Our Brighton page has more on work in that area, about 35 miles away.

We cover the TN36 postcode districts for sealant joints. Close to Broad Street, our area also takes in Icklesham (1 mile east), Udimore (1 mile north), Cock Marling (2 miles north-east), Three Oaks (2 miles south-west) and Broadland Row (2 miles north-west). Bigger towns within reach include Hastings (5 miles south-west), Bexhill-on-Sea (9 miles south-west), St Leonards (6 miles south-west), Hastings Old Town (5 miles south-west), Belmont (5 miles south-west) and Hollington (5 miles south-west).

Near you in Broad Street

Broad Street’s nearest station is Doleham station, about 1.8 miles west of the centre. Nearby you will also find Camber Castle (3.7 miles east) and Winchelsea Court Hall Museum (2.5 miles east). For a walk, there’s Flatropers Wood.

Map of Broad Street © OpenStreetMap contributors

What the job involves on each surface

Movement joints in walls and floors

A trafficked floor joint needs a different product from a wall joint. We will recommend the right filler or sealant for the traffic and movement, and tell you if the edges need repairing first.

Shop fronts and retail fit-outs

Most shops can’t close for a reseal. Tell us your trading hours and access windows and we’ll plan around them, working in sections where that helps.

Aftercare for building managers

To get the most from the new sealant:

  • Keep abrasive pads and scrapers off resealed joints
  • Act on the first lifting edges rather than waiting
  • Keep barriers up until the new sealant has cured
  • Look at the sealant around anything that has been moved or replaced

Keep an eye out for other trades after we have gone. When fittings are moved or cabling added, the sealant nearby is easily disturbed, and it’s easy to forget to reseal afterwards. Where work has disturbed a joint, just give us a call on 01277 525 020 or use the quote form for a quote.

Movement joints that fill with debris stop working. The joint can no longer close, so its edges crack or spall. At that point it’s a repair job rather than a reseal.

Accreditations

Trusted. Accredited. Insured.