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

Five Oaks facade sealing

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

  • Old perimeter mastic that has dried out
  • Weathered joints at frame-to-structure perimeters
  • Gaps between rainscreen or cladding panels
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
CHAS & Constructionline
Fully insured: £5m PL

Facade sealing in Five Oaks

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

Facade sealing for commercial buildings in Five Oaks

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, so the price covers the real job. Site teams most often ask us about staining on stone next to old sealant and facade joints cracked through the middle, across perimeter joints where frames meet the structure, window and door perimeters and coping and flashing joints. Whether you call it commercial sealant work, mastic application or joint sealing, in Five Oaks it comes down to the same thing: failed joints cut out, faces prepared and the right sealant laid to the right depth.

For a site near Five Oaks, the mastic visit is planned so the right sealants, primers and backing rod are on hand. Drawings, photographs and the programme let us give a fixed quote.

Our 12-month guarantee is about workmanship, not wear and tear. Sealant wears with time, and movement, weather, cleaning and use decide how fast, so we spell out the cover before we begin.

The Mastic Doctor team beside their liveried vans in front of an office building
Location
Five Oaks (RH14)
Wider area
West Sussex
Cover
12 months on our workmanship
Quote
A fixed quote before we start
Telephone
01277 525 020
Page updated
3 November 2026

When to call us in Five Oaks

When sealant lets go of a frame or panel, the cause is often the preparation. Contamination, moisture or skipping the primer the maker specifies leave a weak bond.

What tends to prompt an enquiry:

  • Failed seals around shopfront and entrance frames
  • Weathered facade joints that have lost their grip
  • Air leaks through failed facade joints
  • Perimeter sealant that has split or peeled away

When units on a site such as Billingshurst Trade Park (1.2 miles south-west of Five Oaks) are refurbished or reclad, the panel joints and window perimeters are part of the mastic package.

Questions to ask before you book

  • Can the work be phased to keep areas open?
  • Whether old or failed sealant will be cut out, not overlaid
  • What the guarantee covers, and for how long
  • Whether primer will be used where the manufacturer specifies it

How to choose a sealant contractor

Commercial clients in Five Oaks

We work for building owners and managing agents on sealant work across single buildings or whole portfolios around Five Oaks. Several sites can go on one quote, which keeps the paperwork simple.

Blocks and communal areas make up much of the work for housing associations and agents. Work can be phased so residents and staff keep access throughout, with each stage agreed with your site contact.

FAQs: Five Oaks

Is a hospital such as Horsham Hospital somewhere you can work?

Yes, healthcare and care buildings are part of our work. The estates team’s permit system and infection-control rules come first, and the work is planned around them.

Is a smaller place like Five Oaks outside your area?

No. Places such as Five Oaks are covered as much as the big towns. We work across Greater London and the South East. Where we can, we group nearby jobs to make the most of each trip.

How long does a job like this take?

That varies with the scale of the job, but the work typically takes longer on a full elevation than on a handful of window perimeters, and it always depends on dry weather. For bigger or phased jobs, we will set out a timescale with the quote.

Can you work in cold or wet weather?

We can work through the year, but sealant needs a dry joint and temperatures within the product’s range. Frost and condensation on glass and steel are common on winter mornings, and we build that into the programme.

Which sealant will you use?

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.

Can you just add new sealant on top?

No. Fresh silicone won’t grip cured silicone, so the existing bead is removed entirely and the joint cleaned back to sound material. Nothing else gives a bond that lasts.

Can you work on upper floors?

That varies with the building and the access on offer. When you ring 01277 525 020 or send photos by email, describe the access, and we will plan the work with you.

From enquiry to sign-off

We begin with a short walk round with whoever looks after the building, to confirm the scope, the order of work and any areas we must keep clear. Then we strip out anything that has failed, prepare every joint and seal it. Smaller jobs around Five Oaks can be grouped with others nearby, which keeps travel down. You’ll have a fixed quote before work starts.

  1. We start with photographs, drawings or a visit to see the joints and agree access.
  2. Product choice follows the joint’s movement and substrate.
  3. Failed beads are removed in full.
  4. Primer goes on where the product data asks for it.
  5. Rod goes in to fix the depth, then the joint is sealed and tooled.
  6. We go over the completed work with you before leaving.

Before we start on site

  • For older buildings, check the asbestos register before work
  • Share your working hours and any access restrictions
  • Move anything stored against 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 ring 01277 525 020 or use the quote form to discuss it first.

Ask for a quote

Advice

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.

The visible bead is only part of the job. Backing rod, primer where specified and a joint designed to move with the building are where general trades tend to cut corners.

Contractors’ notes for Five Oaks

Central London is about 35 miles from Five Oaks. Towns within reach of London tend to keep building, from flats to offices and schools, and main contractors there need mastic that keeps to the programme. Five Oaks is in the South East, one of the UK’s drier regions. That doesn’t stop wet spells, or frosty starts that leave panels too damp to seal, which is why external dates are agreed with the site manager.

When a school such as The Weald School is extended or refurbished, the mastic package is often squeezed into the holidays. New wings at hospitals like Horsham Hospital (to the east of Five Oaks) bring long runs of window and panel joints to seal.

Five Oaks is about 5 miles west of Horsham, in West Sussex. If you are looking for facade sealing in Five Oaks, we can help, as we do across West Sussex. Five Oaks is one of 373 places we cover in West Sussex for facade joints. Our Brighton page has more on work in that area.

Commercial sites across RH14 are covered for facade joints. We cover commercial and managed buildings on Horsham Road, Hayes Wood Road and Stane Street. We also cover The Haven (1 mile north-west), Billingshurst (2 miles south-west), Slinfold (2 miles north-east), Newpound Common (3 miles west) and Coneyhurst (3 miles south) for facade joints. Further afield, our area takes in Crawley (12 miles north-east), Horsham (5 miles east), Worthing (15 miles south), Haywards Heath (15 miles east), Burgess Hill (15 miles south-east) and Broadfield (10 miles east).

Around Five Oaks

Five Oaks’s nearest station is Billingshurst station, about 2.2 miles south. Well-known places in the area include Christs Hospital School Museum (3.1 miles east) and Horsham Hospital (5 miles east).

Map of Five Oaks © OpenStreetMap contributors

What affects the price in Five Oaks

There’s no standard rate for sealant work, because every site is different. What we take into account:

  • Quantities, in metres or numbers
  • Location, for remote and island sites
  • Joint width, depth and condition
  • Removal of failed or old sealant

Access can matter as much as the joints themselves: 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

The more we know, the firmer the quote. Helpful details to send:

  • Approximate linear metres or a joint schedule
  • Any dates the work must fit around
  • The postcode of the building
  • The product your specification calls for

Every quote starts with the facts: the joints involved, quantities, access and the product called for. Send what you have, and we’ll arrange a site visit if anything is unclear.

Different surfaces, different methods

Render and coated surfaces

Sealant can only hold as well as the render or paint beneath it. Loose coatings are cleaned back first.

Cladding panel joints

Where panels are sealed rather than open-jointed, the bead is part of the weather line. We cut out failed joints along their full length and rebuild them.

Accreditations

Trusted. Accredited. Insured.