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

Fire-rated sealing and fire stopping in Pyecombe, West Sussex

Looking for fire stopping in Pyecombe? It’s simple: send details, get a quote, we seal, guaranteed.

  • Unsealed openings around new pipes and cables
  • Old intumescent sealant that has split away
  • Damaged fire seals in risers and voids
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
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
12-month guarantee on our workmanship.
Covering the South East & Scotland
CHAS & Constructionline
£5m public liability

Fire stopping across Pyecombe

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

How we handle fire stopping in Pyecombe

We are commercial sealant applicators, CHAS accredited and a Constructionline member, with CSCS-carded applicators on site. We don’t hold a third-party fire-stopping installer certificate, and we won’t pretend otherwise. We install the specified fire-rated sealant to its tested detail, and our workmanship carries a 12-month guarantee. We work on linear gaps at wall heads, service gaps in risers and cable penetrations, and the usual reasons a site gets in touch are hidden openings found during inspections and open linear gaps along the top of fire-resisting walls. Searching for sealant specialists in Pyecombe? We have been sealing commercial buildings since 2005, CHAS accredited and a Constructionline member.

For a smaller site near Pyecombe, we plan to do all the penetrations in one go, so send the specification and photographs first. Design and sign-off belong to the designer or building control; we install what’s specified.

Our 12-month guarantee is about workmanship, not wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, so we spell out the cover before we begin.

Location
Pyecombe (BN45)
Wider area
West Sussex
Cover
12 months on our workmanship
Quote
Quoted before any work starts
Call
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

Commercial clients in Pyecombe

Hotels, schools, healthcare sites, offices and retail units come to us directly as well. We plan around the way the building is used, so guests, pupils, patients or staff are disturbed as little as possible.

Planned maintenance programmes are welcome: resealing failed joints building by building, on a schedule that suits your budget. Pyecombe can form part of a wider programme across West Sussex.

How the job changes by surface

Masonry and concrete

Core-drilled holes are neat; broken-out ones rarely are. Each gap is measured where it is widest against the detail’s limits.

Linear joints

Linear joints run along the head of a wall, at a slab edge or between two fire-resisting elements. BS EN 1366-4 testing sets the joint widths, depths, backing and movement a seal covers, and we work within it.

What sealant work can’t fix

Not every problem is a sealant problem, and we’d rather tell you before you spend money. It won’t fix:

  • Large openings beyond what any sealant detail covers
  • Designing or specifying fire stopping, which sits with the designer or fire engineer
  • Signing off or certifying a building’s fire stopping

Not sure which it is? You can give us a call on 01277 525 020 or email drawings and photos and we’ll tell you honestly.

Surfaces we seal

  • Pipe penetrations
  • Cable penetrations
  • Linear gaps at wall heads
  • Service gaps in risers
  • Joints between fire-resisting walls and floors
  • Small duct penetrations where the tested detail allows

What we are called out for in Pyecombe

Head-of-wall joints and wall-to-wall junctions are frequent weak points. Deflection and building movement can open these gaps, and the wrong product can split as a result. Linear joint details set a width range and movement capability, and the seal has to sit within them.

Site and facilities staff are often the first to spot these:

  • Fire sealant pulled out of the opening
  • Fire-stopping items raised at inspection or handover
  • Damaged fire seals in risers and voids
  • Non-fire-rated filler around services

For a site team at a college like Downs View Life Skills College, which lies south of Pyecombe, fire-rated sealing is best scheduled after the summer works.

What to look for in a quote

  • The terms of the workmanship guarantee
  • The named product and why it was chosen
  • How the existing material will be dealt with
  • Will CSCS-carded applicators be on site?

Questions to ask before you appoint anyone

Site staff or a sealant specialist?

For most general trades, sealant is a sideline. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint.

Some joints are best left to specialists: fire-rated seals that must follow a tested detail, trafficked floor joints and external movement joints among them. Getting these wrong normally costs more in the end than doing them right.

Fire-rated sealing for Pyecombe buildings

Central London is about 42 miles from Pyecombe. Business park offices in the commuter belt are refitted as tenants change, and each fit-out adds services through compartment walls. In England, Approved Document B covers fire stopping of openings and penetrations. The national BS 476 classes are due to drop out of it from 2 September 2029, leaving the European BS EN 13501-2 route, subject to transitional arrangements. We install whatever has been specified, to the product’s tested detail.

For a building such as Church of the Transfiguration, new heating or data runs are the usual reason penetrations need sealing. Where a unit on an estate such as Aviation Trading Estate, 2.4 miles to the north-west of Pyecombe, has fire-resisting walls between offices and warehouse, any new service through them should be sealed to the tested detail.

Pyecombe is about 4 miles south of Burgess Hill, in West Sussex. Our applicators travel to Pyecombe for work on service penetrations, handled exactly as we handle every other area. 373 places across West Sussex fall within our area, Pyecombe among them.

We cover the BN45 postcode districts. Among the streets we cover are London Road, School Lane and Church Hill. If your building is just outside Pyecombe, we cover Saddlescombe (1 mile south-west), Waterhall (2 miles south), Patcham (3 miles south), Westdene (3 miles south) and Hollingbury (3 miles south-east). A short drive away, we cover Crawley (15 miles north), Horsham (13 miles north-west), Worthing (12 miles south-west), Haywards Heath (7 miles north-east), Burgess Hill (4 miles north) and Shoreham-by-Sea (6 miles south-west).

Landmarks near Pyecombe

For rail, the closest station is Hassocks station, about 1.9 miles north-east. Well-known places in the area include Clayton Castle (1 mile north-east) and The Budding Foundation Museum of Gardening (1.7 miles north). Not far away are Wolstonbury Hill and Ladies Mile.

Map of Pyecombe © OpenStreetMap contributors

From enquiry to sign-off

Diagnose, treat, sign off: every visit follows that pattern. We inspect the joints and confirm what’s in scope, then we prepare and seal each joint with the specified product, and the job ends with a walk round and sign-off. For work around Pyecombe, we aim to finish in one visit, so we ask for photographs and rough sizes first. Then the right materials arrive with us.

  1. We start with your penetration schedule, drawings or specification.
  2. Access, permits and the order of areas are agreed with the site team.
  3. Each opening is checked for wall or floor type, service, gap and depth.
  4. Unsuitable material is removed and the opening cleaned.
  5. The specified backing and sealant go in to depth and are finished neatly.
  6. Anything outside the detail is reported to you rather than sealed.

What we need from you

  • Clear stock, furniture or equipment away from the joints
  • Explain the parking and delivery arrangements
  • Let building users know which areas are affected

Ask for a quote

We quote a fixed sum against the scope you give us, so you know the figure before anyone is on site. To ask for one, call the office on 01277 525 020 or email a schedule or drawings.

Ask for a quote

Read more

Pyecombe: questions and answers

Does your area include sites such as Aviation Trading Estate, near Pyecombe?

Yes, sites like Aviation Trading Estate are within our area, along with the rest of Pyecombe. A few photos and the unit address let us price the work.

Can you work on a hospital site such as The Dene Hospital?

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.

Do you cover Pyecombe?

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

What will the job cost?

That depends on the job: the volume of work, the access, the specified product and how it’s phased. Call for a quote and we’ll price it properly.

Do you certify or sign off fire stopping?

No. We don’t certify or sign off fire stopping, and we hold no third-party fire-stopping installer certificate. Our part is fitting the specified product to its tested detail.

Will fire-rated sealant work on every penetration?

No. Sealant is the right product only where the tested detail says so. Collars, wraps, batts and boards exist for openings sealant doesn’t cover.

How do you choose the sealant?

Where there’s a specification, we use the product it names. Otherwise, we recommend a product to suit the joint’s movement, the substrate and the conditions, following the manufacturer’s guidance.

Accreditations

Trusted. Accredited. Insured.