Fire-rated sealing and fire stopping in Hythe, Hampshire
Commercial sealant work in Hythe for contractors, FMs and building owners: fire-rated and intumescent sealing of service penetrations and linear gaps, with a fixed quote first.
- Openings left by services added after handover
- Unsealed penetrations discovered above suspended ceilings
- Fire-rated sealant that has cracked or shrunk back
Need fire stopping in Hythe?
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
Owners, agents and contractors
We take on planned maintenance as well as one-off repairs: working through a building or an estate in stages that fit your budget. Sites in Hythe can sit alongside others in a wider programme.
As a CHAS accredited contractor and Constructionline member, we make supplier vetting simple. We are fully insured, and our insurance certificate can go with the quote.
Fire stopping in Hythe
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’ll confirm with the quote. The enquiries we see most involve openings found when ceilings come down for a refit and unsealed openings around new pipes and cables, on joints between fire-resisting walls and floors, linear gaps at wall heads and pipe penetrations. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, the work in Hythe is the same: failed joints cut out, faces prepared and the right sealant laid to the right depth.
Towns the size of Hythe have plenty of buildings with compartment walls: schools, care homes, surgeries, offices and blocks of flats. New cabling or pipework through a fire-resisting wall leaves a gap that has to be made good with the specified product.
Every job we finish is backed by a 12-month workmanship guarantee. If our installation lets you down in that time, we return and fix it.
- Where
- Hythe (SO45)
- Region
- Hampshire
- Cover
- 12 months on every job
- Quotes
- Quoted before any work starts
- Call
- 01277 525 020
- Last updated
- 3 November 2026
Site staff or a sealant specialist?
Paperwork matters too. Many sites expect CSCS cards, RAMS and proof of insurance, and our CSCS-carded applicators are used to working under those rules.
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 typically costs more in the end than doing them right.
Maintenance after handover
A few simple habits keep the new joints working:
- Include service cupboards in routine inspections
- Record which product was used where
- Leave fire sealant to cure fully before covering it
- Make fire stopping part of every scope that crosses a fire-resisting wall
Once the seals are in, tell other trades they exist and must not be disturbed. Any seal cut back for a new service needs reinstating to its tested detail using the same product.
A simple record of seal locations and products helps. It tells the next contractor exactly what to reinstate, which saves guesswork.
Fire stopping around Hythe: what changes locally
Approved Document B is the English guidance that covers fire stopping around 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. What we install is set by the specification, and it goes in to the tested detail.
Colleges such as Totton College Waterside Centre (0.9 miles south-west of Hythe) add IT and services as courses change, and each new penetration through a fire-resisting wall needs sealing with the specified product. Hotels such as Fountain Court Hotel (0.5 miles south-east of Hythe) rely on fire-resisting walls between bedrooms and corridors, and refits that add services leave penetrations to seal where fire-rated sealant is specified. Industrial units on estates such as Hardley Industrial Estate (1.4 miles south of Hythe) often separate offices from warehouse space with fire-resisting walls, and new services through them need the specified seal.
Hythe is about 4 miles south of Southampton, in Hampshire. Across the SO45 postcode area, the process is the same: send details, get a fixed quote, we seal, and the work is guaranteed. Hythe is one of 723 places in Hampshire on our list for service penetrations.
Anyone looking for fire stopping in SO45 gets the same process as the rest of our area: details, then a fixed price, then sealing and a 12-month guarantee. We cover commercial and managed buildings on High Street, Deerleap Close and Langdown Lawn and the roads nearby. Just outside Hythe, we also work in Dibden Purlieu (1 mile south-west), Dibden (1 mile west), Marchwood (3 miles north-west), The Hummicks (4 miles south-west) and Beaulieu (4 miles south-west). Further afield, our area takes in Winchester (14 miles north), Gosport (12 miles east), Eastleigh (8 miles north), Fareham (9 miles east), Totton (6 miles north-west) and Chandler's Ford (9 miles north).
Local landmarks in Hythe
In Hythe, that means premises near Noadswood School, Testwood School and No.5 (The Lord Nelson Public House). The nearest railway station is Southampton Town Quay station, about 2.3 miles north. A little further out are Netley Castle (2.1 miles north-east) and Westquay (2.9 miles north). The countryside around Hythe includes Mercury Marshes.
Other services in Hythe
Different surfaces, different methods
Risers and ceiling voids
Service risers and the voids above ceilings are where openings collect. Access to these areas is planned with you in advance along with any permits your site needs.
Cables and cable bundles
New data and power cables are the most common breach we see. We reseal around them to the specified detail, and we tell you if the bundle exceeds what sealant covers.
Why it’s worth doing now in Hythe
Fire stopping is a regular point raised at inspections and handover. Late discoveries can delay handover while openings are reopened and resealed. In a town like Hythe, a split, stained or mouldy joint is often the first thing visitors notice. Fresh sealant makes a building look maintained.
There’s no price list, since every building and every scope is different. Call for a quote.
Why clients in Hythe choose us
- Old sealant cut out, never sealed over
- Our applicators hold CSCS cards
- Clear, fixed quotes
- Constructionline member for supplier checks
Take a look at how commercial sealant jobs are priced and our accreditations.
Questions about Hythe
Is Hardley Industrial Estate, near Hythe, within your area?
Yes, sites like Hardley Industrial Estate are within our area, along with the rest of Hythe. Send details of the unit and the work through our quote form for a quick quote.
Can you take on a job at a hospital such as Hythe Hospital?
Yes, healthcare and care buildings are part of our work. We follow the site’s permits, sign-in and infection-control procedures in every area.
Can the sealant be colour-matched?
That depends on the product specified. Some ranges are wide, others limited, so we will confirm the colours available for the specified product with the quote.
Is sealant suitable for all service openings?
No. It depends on the tested detail for that wall or floor and service. Collars, wraps, batts and boards exist for openings sealant doesn’t cover, and we flag those rather than improvise.
Will you quote for a small job?
Small jobs are welcome alongside larger packages. Send details for a fixed quote.
How long do sealant joints last?
There’s no fixed lifespan: movement, exposure, cleaning, traffic and the product all play a part. Treat them as maintenance items and inspect them regularly.
Do you have public liability insurance?
Yes. Our insurance certificate can be sent alongside the quote.
Diagnose, treat, sign off
Occupied buildings need a little choreography. The work area is signed and kept contained, with routes through the building left open and move on in phases so staff and visitors can carry on around us. Parking and loading for town-centre jobs in Hythe are worth mentioning when you send details. Industrial and business units typically have yard or car park space.
- First we go through the drawings, schedule or specification for the seals and ask about anything unclear.
- Every penetration is compared with its detail: wall or floor type, service, gap size and depth.
- Unsuitable fillers and loose debris are taken out of each opening.
- Mineral wool or other backing goes in wherever the detail asks.
- Fire-rated or intumescent sealant is gunned in to the specified depth, then tooled.
- If an opening needs something other than sealant, we tell you instead of improvising.
Before we start on site
- Tell staff and tenants when we’ll be in
- Tell us your opening times and when work is allowed
- Flag any permit to work we’ll need
Ask for a quote
The quickest route to a quote is a few photos and the site postcode. Upload them with the quote form, or speak to us on 01277 525 020 or email the details over to discuss it first.