Fire Stopping in Apsley
Sealant work in Apsley for main contractors, managing agents and facilities managers: fire-rated and intumescent sealing of service penetrations and linear gaps, quoted at a fixed price.
- Fire sealant pulled out of the opening
- Head-of-wall gaps with no fire seal
- Openings left by services added after handover
Fire stopping near Apsley
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
Fire stopping in Apsley, done properly
The test standards are BS EN 1366-3 for penetration seals and BS EN 1366-4 for linear joints. That classification, such as EI 60 or EI 120, belongs to the product in its tested arrangement. Reproducing the tested arrangement on site is the part we take care of. We work on service gaps in risers, linear gaps at wall heads and joints between fire-resisting walls and floors, and what we’re called in for most is expanding foam used as fire stopping and service penetrations left open after M&E works. A single leaking joint is often how a building in Apsley first comes to us: we check the joints around it and give you an honest view of what needs doing now and what can wait.
In places the size of Apsley, fire-resisting walls and floors are found in schools, care homes, health centres and mixed-use buildings. Around those penetrations, fire-rated sealant is installed if specified, with depth, backing and gap all as tested.
Work we carry out in Hertfordshire comes with a 12-month guarantee. Should something we installed fail, ring 01277 525 020 or email a schedule or drawings and we will come back to it.
- Where
- Apsley (HP3, HP1, HP2)
- Region
- Hertfordshire
- Cover
- 12 months on our workmanship
- Price
- Quoted before any work starts
- Telephone
- 01277 525 020
- Page updated
- 3 November 2026
FAQs: Apsley
Can work at a site such as West Herts College fit around teaching?
Yes. We plan campus work around teaching, exams and residence turnarounds. Let us know which documents your site asks for, and we’ll confirm them alongside the quote.
Is Apsley too far out for you?
No. Places such as Apsley are covered as much as the big 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.
Is fire stopping in Scotland covered by different guidance?
Our area runs from Greater London and the South East to every part of Scotland. Scotland’s non-domestic Technical Handbook, clause 2.1.14, expects service penetrations to be fire stopped to at least the wall or floor’s fire resistance, using products tested for their end use.
Can weather delay the job?
Outside, yes. Sealant needs a dry joint and a temperature within the product’s range, so damp, frosty or very cold days can stop external work. Internal work is rarely affected.
Will you come and look before quoting?
It depends on the job. Straightforward work can often be priced from photos and measurements, while larger or less clear jobs get a site visit first.
Which standards are fire seals tested to?
The tests are BS EN 1366-3 for penetrations and BS EN 1366-4 for linear joints, and classification is to BS EN 13501-2. EI 60 means integrity and insulation for 60 minutes in the tested arrangement and the installation has to match the test.
Do you guarantee your work?
Yes, for 12 months. If a joint fails because of how we installed it, we come back and put it right.
Where services cross fire walls in Apsley
Apsley has a number of hotels close by, all within 2 miles. Bedroom-to-corridor walls in hotels are normally fire-resisting, so new cabling or pipework through them has to be sealed to the tested detail. Apsley is about 23 miles from central London. Business park offices in the commuter belt are refitted as tenants change, and each fit-out adds services through compartment walls; the gaps need the specified seal.
In a hotel such as Shendish Manor Hotel (0.7 miles south of Apsley), new pipework or cabling through bedroom and corridor walls needs sealing with the specified product. Workshops and IT rooms at colleges like West Herts College, 1.3 miles to the north of Apsley, are re-serviced often, leaving penetrations to seal.
Apsley is about 1 mile south of Hemel Hempstead, in Hertfordshire. We cover commercial sites throughout Apsley. 371 places across Hertfordshire fall within our area, including Apsley. For work in that direction, see our London page, about 23 miles away.
We cover the HP3, HP1 and HP2 postcode districts for service penetrations. If your site is on Lawn Lane, Avocet Road and Linnet Road or close by, send details and we will quote for service penetrations. If your building is just outside Apsley, we cover Felden (1 mile south-east), Boxmoor (1 mile north-west), Bennetts End (1 mile east), Nash Mills (1 mile south-east) and Grovehill (1 mile north). Bigger towns within reach include Watford (6 miles south-east), St Albans (6 miles east), Welwyn Garden City (13 miles east), Harpenden (8 miles north-east), Hatfield (10 miles east) and Borehamwood (10 miles south-east).
Near you in Apsley
Locally, jobs take us to sites close to Gadebridge Park, The Hemel Hempstead School and The Oddfellows Arms, among other places. The nearest railway station is Apsley station, about 0.5 miles south-east of the centre. A little further out are Hemel Hempstead Hospital (0.9 miles north). The countryside around Apsley includes Long Deans.
Should maintenance staff do it?
A short, simple internal joint is often within reach of a maintenance team. Where it goes wrong is preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.
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. A poor seal in places like these tends to cost more to put right later.
Why act early in Apsley
Open service penetrations matter on ordinary days, not just in a fire: smoke, noise and draughts pass through them every day. Sealing them to the specified detail deals with the fire risk first and the building feels the difference. A failed joint lets water into a building whatever its size. Catching it early means a reseal rather than repairs.
The price depends on the quantity of joints, how much old material needs removing and how the joints are reached. Call for a quote when you are ready.
Why appoint us
- Constructionline member
- Work to your specification and the manufacturer’s guidance
- One phone line for London, the South East and Scotland
- Over 20 years of commercial sealing
Read how commercial sealant jobs are priced or our accreditations and insurance.
Looking after the joints
A few simple habits keep the new joints working:
- Don’t let anyone top up a fire seal with the wrong product
- Get seals inspected before ceilings and boxing close
- Check risers and ceiling voids after each round of works
- Make fire stopping part of every scope that crosses a fire-resisting wall
Don’t patch a fire-rated seal with anything outside its tested detail. A repair should use the original product, installed the same way unless the designer specifies otherwise.
The simplest way to keep compartment walls intact is to plan fire stopping into every job that crosses them. Then the seal goes in while the area is open, not months later.
Diagnose, treat, sign off
When we get to site, we sign in, go through any site induction and check how permits are handled. Floors, finishes and fittings next to the joints are covered before anything is cut or cleaned, and the work typically takes anything from one day to a planned run of visits, depending on the number of seals and the access. What matters most for a job in Apsley is a clear list of what needs doing, so send photos of each area. You’ll then get a fixed price for the work.
- We start with your penetration schedule, drawings or specification.
- Access, permits and the order of areas are agreed with the site team.
- We compare every service penetration with its tested detail before sealing.
- Unsuitable material is removed and the opening cleaned.
- The specified backing and sealant go in to depth and are finished neatly.
- We tell you about openings that need a different product.
Getting the site ready
- Send asbestos survey details if the building is pre-2000
- Let building users know which areas are affected
- Explain the parking and delivery arrangements
Quotes
Need a figure for a tender or a budget? Send the scope and any drawings, and we’ll return a fixed quote you can plan around. For a chat about it beforehand, phone 01277 525 020 or email us.
Read more
Signs you need fire stopping in Apsley
Most open service penetrations are left by later work. New cabling, rerouted pipework or a data route drilled through a riser can leave the hole behind. Across several fit-outs, the openings add up.
It’s worth sending us details if you spot any of the following:
- Expanding foam used as fire stopping
- Openings found when ceilings come down for a refit
- Unsealed joints where partitions meet the slab
- Service penetrations left open after M&E works
For a hospital such as Hemel Hempstead Hospital, 0.9 miles north of Apsley, penetration sealing is usually phased ward by ward, with infection-control rules agreed first.
Before you book anyone
- What site paperwork they can supply
- How joint depth will be controlled
- The terms of the workmanship guarantee
- The named product and why it was chosen
How the quote is worked out
What shapes the price:
- Access and working height
- Whether the work must be split into stages
- The site’s rules and procedures
- The product specified
A quote for service penetrations depends on how many there are, their condition and the access, and any specification that applies. Ask us for a fixed quote.
Details that help us quote
The more we know, the firmer the quote. When you get in touch, include:
- Where the site is, with the postcode
- The asbestos register, for older buildings
- Rough lengths or quantities, or drawings if you have them
- Whether the building will be occupied during the work
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, phone 01277 525 020 or use the quote form.