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

Fire Stopping in Earnley

Planning work on a service penetration in Earnley? We assess it, carry out the work and guarantee our workmanship for 12 months.

  • Fire stopping installed outside its tested range
  • Snag lists that include open service penetrations
  • Open linear gaps along the top of fire-resisting walls
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Signed off, with 12 months’ guarantee.
London, the South East & Scotland
Constructionline member
£5m PL insurance

Fire stopping across Earnley

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

How we handle fire stopping in Earnley

For main contractors, our fire stopping package slots in after the M&E trades have finished in an area. We work from your penetration schedule or marked-up drawings and the specified product data. Tell us what records you need and we will confirm with the quote. We work on linear gaps at wall heads, service gaps in risers and small duct penetrations where the tested detail allows, and what we are called in for most is fire-stopping items raised at inspection or handover and service penetrations left open after M&E works. One point of contact handles commercial sealant work in Earnley from the first photos to the final walk-round, for single jobs and planned programmes alike.

Barn and farm-building conversions near places like Earnley often combine new partitions with old walls. A penetration seal only performs as tested if product, substrate, service, gap and depth all match the detail.

Our workmanship is guaranteed for 12 months, in Earnley as everywhere else we work. If a joint we sealed fails because of how it was installed, we come back and put it right.

The Mastic Doctor team beside their liveried vans in front of an office building
Location
Earnley (PO20)
Wider area
West Sussex
Guarantee
12 months on our workmanship
Quotes
A fixed quote before we start
Telephone
01277 525 020
Updated
3 November 2026

Fire-rated sealing for Earnley buildings

For England, the fire stopping of penetrations is dealt with in Approved Document B. From 2 September 2029, BS 476 references are being taken out of Approved Document B, leaving BS EN 13501-2 classification as the route, subject to the Government’s transitional arrangements. What we install is set by the specification, and it goes in to the tested detail. Earnley lies roughly 60 miles out from central London. Tenant changes on commuter-belt business parks mean regular fit-outs, and new services through compartment walls.

For a building at a site such as Enborne Business Park, 2.5 miles to the east of Earnley, a check of penetration seals after each fit-out is good practice. For a building such as Earnley Church, new heating or data runs are the usual reason penetrations need sealing.

Earnley is about 3 miles north-west of Selsey, in West Sussex. Looking for fire stopping in Earnley? We can help, as we do across West Sussex. Across West Sussex, 373 places are covered, Earnley among them. There’s a separate page for Portsmouth, roughly 11 miles from Earnley.

We cover the PO20 postcode districts for service penetrations. We cover commercial and managed buildings on Earnley Manor Close, Bookers Lane and Drove Lane and the roads nearby. We also cover East Wittering (1 mile west), Almodington (1 mile north-east), Somerley (1 mile north), Shipton Green (2 miles north) and Birdham (2 miles north). Nearby towns on our patch include Bognor Regis (7 miles east), Chichester (6 miles north-east), Selsey (3 miles south-east), Littlehampton (14 miles east), Rustington (15 miles east) and Portfield (6 miles north-east).

What’s near Earnley

Nearby you’ll also find Selsey Lifeboat Museum (3.9 miles south-east). Green spaces nearby include Pilsey Island.

Map of Earnley © OpenStreetMap contributors

How a job runs

Occupied buildings need a little choreography. We sign and contain the area we’re in, keep walkways clear and move on in phases so staff and visitors can carry on around us. Jobs in and around smaller places like Earnley are normally planned as a single visit, so we ask for photos and rough sizes first. That way the right products come on the day.

  1. First we go through the drawings, schedule or specification for the seals and ask about anything unclear.
  2. Every penetration is compared with its detail: wall or floor type, service, gap size and depth.
  3. Unsuitable fillers and loose debris are taken out of each opening.
  4. We fit the backing the detail asks for, to the stated depth.
  5. We apply the specified sealant to the depth and around the services as the detail shows.
  6. If an opening needs something other than sealant, we tell you instead of improvising.

Preparing the site

  • Have the specification and drawings to hand
  • Move anything stored against the joints
  • Arrange parking or a loading space

Get a fixed quote

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

Ask for a quote

Advice

Common problems we fix in Earnley

Linear gaps fail where a fire-resisting wall meets a slab, soffit or another wall. Movement in the frame or slab can open the joint. The tested detail for a linear joint states the width and movement it covers.

Typical triggers for a call:

  • Seals disturbed by maintenance and left open
  • Improvised or mixed-product fire seals
  • Penetration schedules that need working through
  • Fire sealant pulled out of the opening

Holiday works at schools like East Wittering Community Primary School often leave service openings to seal before pupils return.

Comparing quotes

  • How the existing material will be dealt with
  • What site paperwork they can supply
  • The named product and why it was chosen
  • Can the work be phased to keep areas open?

Questions to ask before you appoint anyone

How the job changes by surface

Metal pipes

Heat travels along metal pipework, and the tested detail may ask for insulation beyond the wall. We follow whatever the detail requires and flag anything we can’t match.

Drylining partitions

Service holes through plasterboard are frequently oversized or ragged. If the gap exceeds the tested range, sealant alone won’t do and we’ll tell you what the detail says instead.

Work for main contractors and building owners

Blocks and communal areas make up much of the work for housing associations and agents. We phase the work so people keep access, with each stage agreed with your site contact.

CHAS accredited and a Constructionline member, we are straightforward to vet for your supplier list. We are fully insured, and our insurance certificate can go with the quote.

Doing it in-house

Certain joints really need a specialist: for instance fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. A poor seal in places like these tends to cost more to put right later.

Paperwork matters too. Many sites expect CSCS cards, RAMS and proof of insurance, and we will confirm the paperwork you need with the quote.

What affects the price in Earnley

Before we quote, we look at:

  • Induction, permit and paperwork requirements
  • Working within restricted access windows
  • The product specified
  • Access and working height

Every site prices differently: joint size, product, access and site hours all play a part. A fixed quote follows once we understand the job.

Sending details for a quote

However big the job, the same details help:

  • The type of building and who uses it
  • Your programme or deadline
  • Anything awkward about access or site hours
  • Whether an asbestos survey exists

For a fixed quote, ring 01277 525 020 or send details through our quote form. Our quote form is another easy route.

Earnley: questions and answers

How does the move away from BS 476 affect penetration seals in Earnley?

Approved Document B loses its BS 476 references from 2 September 2029, and BS EN 13501-2 becomes the route, subject to transitional arrangements. Our part doesn’t change: the specified product, to its tested detail.

Is Earnley too far out for you?

No. Small places get the same service as large ones. Our area covers London and the South East counties. Good photographs up front let us bring everything on the first visit.

Are you fully insured?

Yes. We’re fully insured, including public liability cover.

Do you seal on top of existing sealant?

No. We cut the old material out and clean the joint back before sealing, since fresh sealant will not bond reliably to aged material.

Do your applicators hold CSCS cards?

Yes. If you need card details for site access, let us know and we’ll send them with the quote.

Is your workmanship covered by a guarantee?

Yes. The 12-month guarantee covers our preparation and application, but not damage, misuse or other trades’ work.

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.

Accreditations

Trusted. Accredited. Insured.