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

Facade Sealing in Broomershill

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

  • Weathered facade joints that have lost their grip
  • Staining on stone next to old sealant
  • Air leaks through failed facade joints
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Signed off, with 12 months’ guarantee.
South East, London & Scotland
CHAS accredited
Fully insured: £5m PL

Need facade sealing in Broomershill?

Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.

Facade sealing in Broomershill, done properly

A good facade joint depends on design as much as product. Joint width needs to match how far the joint moves and how far the sealant can stretch, and closed-cell rod sets the depth, keeping the bond to two faces. We work on cladding panel joints, stone and brick facade joints and perimeter joints where frames meet the structure, and what we are called in for most is old perimeter mastic that has dried out and perimeter joints where frames meet the structure. Facilities teams, main contractors and managing agents in Broomershill tend to want the same three things: a clear scope, tidy work and joints that don’t fail again.

In the countryside around places like Broomershill, conversion schemes put new frames into old stone, flint, brick or timber. A product that grips an irregular face, with a colour that suits the building’s character, is normally what’s needed.

Work we carry out comes with a 12-month guarantee. If an installation problem shows up, call the office on 01277 525 020 or use the quote form and we’ll arrange a return visit.

Mastic Doctor team members lined up next to their branded vans outside an office building
Where
Broomershill (RH20)
Region
West Sussex
Cover
12 months on our workmanship
Quote
A fixed quote before we start
Telephone
01277 525 020
Updated
3 November 2026

How the job changes by surface

Coping and flashing joints

Coping and flashing joints are included where sealant is the specified fix. These joints take full exposure to weather and need a durable external sealant.

Window and door perimeters

Frame-to-wall joints at windows and doors are the facade joints we reseal most. A low-modulus neutral-cure product, chosen for the frame and wall, goes in, tooled to shed water.

Your questions answered

Do you cover business parks and estates near Broomershill, such as Broomers Hill Business Park?

Yes, sites like Broomers Hill Business Park are within our area, along with the rest of Broomershill. A few photographs and the unit address let us price the work.

Can you work around term dates at a campus such as Brinsbury College?

Yes. Education sites normally want the work in vacations or in phases during term, and we plan to suit. Let us know which documents your site asks for, and we will confirm them alongside the quote.

Can you quote from photographs?

Many jobs can be quoted from photos, drawings or a joint schedule. Where they aren’t, we arrange a site visit before quoting.

Are you insured?

Yes. Our insurance certificate can be sent alongside the quote.

Can you work while the building is occupied?

Yes, with some planning. Tell us your site hours and access windows and we will plan around them.

What about RAMS and site documents?

Tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we’ll confirm with the quote.

Can you work to our specification?

Yes. Include it with the drawings when you ask for a quote, and the quote will be based on it.

Maintenance after handover

A few simple habits keep the new joints working:

  • Keep sills, gutters and drainage paths clear
  • Ask about asbestos in pre-2000 mastic
  • Insist on a full cut-out when joints are renewed
  • Don’t wait for a second leak before calling

Include facade joints in your planned maintenance inspections. Watch for splits, gaps at the edges, hardening and discolouration; record the locations.

Deal with sections that fail early as soon as they show. Small repairs stop small leaks becoming large ones inside the building.

What we are called out for in Broomershill

Most facade joints fail through age and weathering. The bead hardens, chalks on the surface and loses the flexibility to follow the joint.

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

  • Unsightly perimeter sealant on a visible elevation
  • New sealant peeling off old mastic
  • Failed seals around shopfront and entrance frames
  • Damp patches beside frames after rain

Further education sites such as Brinsbury College, 1.8 miles north of Broomershill, are extended and refurbished from time to time, with mastic often programmed into the summer break.

Questions to ask before you book

  • What level of public liability insurance do they hold?
  • Their approach to joint depth and backing
  • Can the work be phased to keep areas open?
  • How the existing material will be dealt with

Choosing a commercial sealant contractor

Diagnose, treat, sign off

We schedule the visit to fit the site hours and access windows you give us. On the day, the work area is kept contained and tidy, and your contact hears from us before we move to the next area. Smaller jobs around Broomershill can be grouped with others nearby. You will have a fixed quote before work 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. Once signed off, the work carries our 12-month guarantee.

Getting the site ready

  • Let us know about inductions and permits
  • Have the specification and drawings to hand
  • Clear stock, furniture or equipment away from the joints

Ask for a quote

A handful of photos and a postcode is the fastest way to a quote. Upload them with the quote form, or phone 01277 525 020 or email the details over to discuss it first.

Ask for a quote

Advice

Why deal with it now?

Leaving failed perimeter sealant also makes the eventual job bigger: edges get wet, render and timber deteriorate and frames can move. Early action keeps it simple. Around Broomershill, it’s better to renew all the failing joints at once. Send photos of each area and we’ll quote for the lot.

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

Why appoint us

  • 12 months’ guarantee on every job
  • Sealing commercial buildings since 2005
  • Our applicators hold CSCS cards
  • Colours chosen to suit frames, cladding or finishes where possible

See how commercial sealant jobs are priced and our accreditations and insurance.

Should maintenance staff do it?

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.

Redoing a failed joint typically costs more than getting it right at the outset, because the whole bead must be removed and the faces cleaned back again. For that reason, many FMs and contractors use a sealant specialist from the outset.

Sites and facades in and around Broomershill

Central London is about 41 miles from Broomershill. Towns within reach of London tend to keep building, from flats to offices and schools, so mastic packages have to keep pace with busy programmes. The South East is one of the drier parts of the UK. Still, external mastic needs dry faces within the maker’s temperature limits, which isn’t every day, so we time external mastic for dry faces and agree it with the site team.

Projects at schools like St Mary's Church of England Primary School work to term dates, so mastic is programmed tightly. Recladding or extending a unit at a site like Broomers Hill Business Park, 0.6 miles to the north of Broomershill, brings panel joints and frame perimeters into the programme.

Broomershill is about 10 miles south-west of Horsham, in West Sussex. We cover commercial sites throughout Broomershill, for single jobs and planned programmes alike. 373 places across West Sussex fall within our area, including Broomershill. Brighton is covered too, around 18 miles from Broomershill.

If you need facade sealing in RH20, the process matches everywhere else we work: send details, get a quote, we seal, guaranteed. Sites close to Broomershill are covered too, including Codmore Hill (1 mile north-west), Marehill (1 mile south-east), Nutbourne (1 mile south-east), North Heath (1 mile north) and Gay Street (1 mile north-east). Further afield, our area takes in Horsham (10 miles north-east), Worthing (11 miles south), Bognor Regis (15 miles south-west), Chichester (15 miles south-west), Littlehampton (11 miles south) and Shoreham-by-Sea (13 miles south-east).

Around Broomershill

Recent enquiries here include premises near The Red Lion Public House, among other places. The closest station to Broomershill is Pulborough station, roughly 1.3 miles south-west. Other landmarks nearby include Coates Castle (4.4 miles west) and The Storrington And District Museum (3.8 miles south-east). For a walk, there’s The Mens.

Map of Broomershill © OpenStreetMap contributors
Accreditations

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