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

Sealant specialists in Felcourt

Work needed on a sealant joint in Felcourt? We assess it, carry out the work and guarantee our workmanship for 12 months.

  • Messy, uneven beads from earlier work that let the building down
  • Sanitary sealant that has gone black and patchy
  • Water staining near frames, panels or ceilings
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
South East, London & Scotland
CHAS accredited
£5m public liability

Commercial sealant contractors for businesses in Felcourt

Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.

Signs you need commercial sealant contractors in Felcourt

If only one face has lost its grip, that’s an adhesion failure. The usual causes are poor preparation, a missed primer, contamination on the joint face or sealant bonded to the base of the joint. It’s one of the commonest faults we find on earlier work.

Things that normally lead to an enquiry:

  • Black mould through washroom sealant that won’t clean off
  • Window and door perimeter joints that have cracked open
  • Greasy, split joints in a kitchen or tea point
  • Wall and floor joints that have lost their seal

If you run an office at a site such as Scanda-Hus Business Park, under half a mile to the north of Felcourt, the sealant at reception desks, tea points and frames ages with each fit-out.

What to look for in a quote

  • Are they CHAS accredited or on Constructionline?
  • Whether old or failed sealant will be cut out, not overlaid
  • Who will actually carry out the work
  • Whether primer will be used where the manufacturer specifies it

Our contractor checklist

Sealant applicators in Felcourt

Sealant joints are easy to overlook until one lets water in. Mastic Doctor works as a commercial sealant contractor for facilities managers, managing agents and main contractors looking after property in Felcourt. We find out why the sealant joints failed, take them out and seal again using a sealant that suits the joint. Most enquiries involve wall and floor joints that have lost their seal and sanitary sealant that has gone black and patchy, across floor and threshold joints, kitchen worktops and splashbacks and window and door perimeters. A specialist sealant contractor works differently from a general builder: in Felcourt, that means joint design, primers and backing rod as standard.

Occupied buildings in Felcourt need the work phased: washrooms in turn, floors in sections and entrances kept open.

Business units in the countryside around places like Felcourt are often converted barns, stables or farmyards. Their mix of old walls with new frames, partitions and floors means many joints between unlike materials.

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’re clear about what is covered before work starts.

The Mastic Doctor team beside their liveried vans in front of an office building
Location
Felcourt (RH19, RH7)
Wider area
Surrey
Cover
12 months on every job
Price
A fixed quote before we start
Telephone
01277 525 020
Last updated
3 November 2026

Surface by surface

Window and door perimeters

The perimeter joint between a frame and the structure keeps rain out of the reveal. Failed perimeters are cut out and cleaned, backing goes into deeper gaps, and the joint is resealed with a low-modulus neutral-cure silicone or another suitable product.

Movement joints in walls and floors

A trafficked floor joint needs a different product from a wall joint. We’ll recommend the right filler or sealant for the traffic and movement; if the arrises are broken, we’ll say so before sealing.

Work for main contractors and building owners

FMs need a contractor who is easy to get on site. Let us know the documents you need (RAMS, insurance certificate, CSCS details) and we’ll confirm them with the quote.

We take on planned maintenance as well as one-off repairs: resealing failed joints building by building, on a schedule that suits your budget. Felcourt can form part of a wider programme across Surrey.

From enquiry to sign-off

The first thing on site is a walk round with your contact, agreeing which joints are in scope, where to start and what must stay open. After that, any old or failed material is removed, each joint is prepared and the new sealant goes in. Jobs in and around smaller places like Felcourt are usually planned as a single visit, so photos and measurements up front really help. Then the right materials arrive with us.

  1. We start with the evidence: photographs, drawings or a look on site.
  2. A fixed quote follows, with removal and preparation included.
  3. Sequence, access and working times are settled before the first joint is touched.
  4. The failed sealant comes out and the faces are prepared, with primer where required.
  5. Backing goes in, the new sealant is laid and tooled, and the area is left neat.
  6. We hand back each area with its cure time and our 12-month guarantee.

Before we start on site

  • Warn occupants and staff about the work
  • Share the asbestos register for older buildings
  • Explain the parking and delivery arrangements

Getting a fixed quote

Send details, get a quote, we seal, guaranteed: that’s how every job runs. The first step is to call the office on 01277 525 020 or send photos by email with what you know.

Get a quick quote

Advice

Sealant on show in Felcourt’s commercial buildings

Felcourt has at least three named business or industrial parks inside a 3-mile radius. Each new occupier on a park like these tends to refit, from reception to staff kitchen. Felcourt sits in one of the drier corners of the country, the South East. That helps, but frost and condensation on glass and coated frames still stop outside sealing on some winter mornings.

A business with units at Scanda-Hus Business Park and Birches Industrial Estate needn’t use two contractors for its sealant. Premises within reach of Dormans station, 0.8 miles to the east of Felcourt, often have busy frontages where joints are seen by everyone passing.

Felcourt is about 2 miles north of East Grinstead, in Surrey. Across the RH19 postcode area, the process is the same: send details, get a fixed quote, we seal, and the work is guaranteed. We work across 379 places in Surrey, large and small. Brighton is covered too, around 23 miles from Felcourt.

Postcode districts covered here: RH19 and RH7. Buildings on Felcourt Lane, Felcourt Road and Blackberry Road are within our area for sealant joints. If your building is just outside Felcourt, we cover Dormans Park (1 mile south-east), Newchapel (1 mile west), Lingfield (1 mile north), Dormansland (1 mile east) and Felbridge (2 miles south-west). Nearby towns on our patch include Horley (6 miles west), Redhill (8 miles north-west), Reigate (9 miles north-west), Caterham (9 miles north), Dorking (14 miles west) and Oxted (6 miles north).

Around Felcourt

Around Felcourt, our work takes us to commercial buildings near Imberhorne School and Centenary Fields. The nearest railway station is Dormans station, about 0.8 miles east. Nearby you will also find East Grinstead Museum (2.5 miles south) and Queen Victoria Hospital (1.9 miles south-east). For a walk, there’s Hedgecourt Lake.

Map of Felcourt © OpenStreetMap contributors

Questions we’re asked in Felcourt

Is Felcourt off your patch?

Not at all: smaller places are covered as well as towns. We cover Greater London and the counties of the South East. We plan jobs in smaller places so return trips are kept to a minimum.

Can the sealant on our Felcourt premises match the finishes?

Yes, sealants come in a wide range of standard colours, and matching to RAL references, cladding, stone or frames is a common request. Send colour references or photographs and we’ll confirm what’s available for the product.

Which site documents can you send us?

We’ll confirm the paperwork you need, such as RAMS, an insurance certificate or CSCS details, with the quote. We are CHAS accredited and a Constructionline member, with five million pounds of public liability insurance.

Can you work to our specification?

Yes. Send it with your enquiry, and we’ll price the work to it, flagging anything that needs clarifying.

Does the weather affect the work?

For external joints, yes. The joint has to be dry and within the product’s temperature range, so damp, frosty or very cold days can stop external work. Internal work is rarely affected.

Do you check for asbestos before removing sealant?

It can, on some older buildings. That’s why we ask for the asbestos information first, and stop if a material is suspect until it’s tested. HSE guidance on asbestos is a useful reference.

Is your work guaranteed?

Our workmanship on each job is backed by a 12-month guarantee. Public liability insurance is in place too.

Why it’s worth doing now in Felcourt

It can be tempting to hold sealant work back until the next refurbishment. That’s reasonable for internal joints that are just tired-looking, but external and wet-area joints that already leak shouldn’t wait. Splitting the scope into now and later is often the sensible compromise. One visit to deal with every failing joint makes more sense than several trips to a place like Felcourt. Photos of every joint help us quote for the whole job.

What a job costs comes down to how many linear metres there are, what has to come out first and how the joints are reached. Call for a fixed quote once you have the details.

What you get with us

  • Health and safety: CHAS accredited
  • Constructionline member
  • Joints cleaned back to sound surfaces
  • Fixed quotes based on photographs, drawings or a visit

Take a look at what affects the cost and how we’re accredited.

After the work

Every sealant joint needs some looking after, and their life depends on movement, exposure, cleaning and use. Our advice:

  • Ask fit-out and M&E contractors to report any sealant they disturb
  • Don’t let cleaning or traffic back on before the cure time is up
  • Add sealant to the planned maintenance inspection list
  • Report cracked or peeling sealant early

In washrooms and kitchens, extraction makes a real difference to sealant life. Fans that are broken or switched off leave joints damp for longer, which is how mould gets back in. Your maintenance team can look at extract fans at the same time.

A failed external joint lets water in every time it rains. Behind a panel or frame, that water can sit unseen for a long time. Catching it at the sealant stage avoids the bigger repair.

Accreditations

Trusted. Accredited. Insured.