Fire stopping in Laverstoke
Commercial sealant work in Laverstoke for contractors, FMs and building owners: fire-rated and intumescent sealing of service penetrations and linear gaps, with a fixed quote first.
- Openings found when ceilings come down for a refit
- Expanding foam used as fire stopping
- Old intumescent sealant that has split away
Fire stopping for Laverstoke sites
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
Fire stopping in Laverstoke
Every service that crosses a compartment wall or floor leaves an opening, and that opening needs sealing to hold back fire and smoke. Our part is installing fire-rated and intumescent sealant at those openings and along linear gaps, where the specification calls for it. We work to the product’s tested detail for every seal. If you have damaged fire seals in risers and voids and open linear gaps along the top of fire-resisting walls, we can help. A specialist sealant contractor works differently from a general builder: in Laverstoke, that means joint design, primers and backing rod as standard.
For a smaller site near Laverstoke, we plan to do all the penetrations in one go, so send the specification and photos first. We install to the specification and the manufacturer’s guidance, leaving design and sign-off with the designer and building control.
We sign every job off with a 12-month guarantee. It’s a plain promise: if our work fails within that year, we put it right.
- Where
- Laverstoke (RG28)
- Region
- Hampshire
- Guarantee
- A 12-month guarantee
- Quote
- A fixed quote before we start
- Phone
- 01277 525 020
- Last updated
- 3 November 2026
Signs you need fire stopping in Laverstoke
Some seals fail because the wrong product went in: builders’ foam or ordinary silicone used to fill a hole. It may look closed, but it has no tested fire performance in that position, so it has to come out.
Most enquiries start with something like this:
- Fire sealant pulled out of the opening
- Seals that don’t match their tested detail
- Openings found when ceilings come down for a refit
- Open linear gaps along the top of fire-resisting walls
Where a unit on an estate such as Ardglen Industrial Estate, which lies west of Laverstoke, has fire-resisting walls between offices and warehouse, any new service through them should be sealed to the tested detail.
What to look for in a quote
- Health and safety accreditation such as CHAS
- The terms of the workmanship guarantee
- Their approach to joint depth and backing
- How they handle RAMS and site documents
Questions we’re asked in Laverstoke
Is Laverstoke too far out for you?
Not at all: smaller places are covered as well as towns. We cover Greater London and the counties of the South East. Where we can, we group nearby jobs to make the most of each trip.
Will you take on work at estates like Ardglen Industrial Estate, close to Laverstoke?
Yes. Our area takes in Laverstoke and its surroundings, with estates and business parks such as Ardglen Industrial Estate included. A few photographs and the unit address let us price the work.
How soon can the area be used again?
That comes down to the sealant and the temperature. Some take light use quickly, others need longer to cure, and we confirm it before leaving site.
Is the BS 476 change in 2029 relevant to fire stopping?
It mainly affects England, where Approved Document B is dropping its BS 476 references from 2 September 2029. Classification to BS EN 13501-2 becomes the expected evidence. In Scotland, the Technical Handbook sets its own guidance, including clause 2.1.14 on service penetrations.
When is resealing likely to be due?
Nobody can honestly give a figure in years, because life depends on how much the joint moves, how exposed it is and how it’s cleaned and used. Regular inspection is the best way to catch problems early.
Is fire stopping in Scotland covered by different guidance?
Scotland sets its own building regulations, with Technical Handbooks, and England uses Approved Document B. Either way, we install the specified sealant to its tested detail.
Are you members of a third-party fire-stopping installer scheme?
No, and we won’t imply otherwise. Some clients require third-party installer schemes even though the law doesn’t, so it’s worth checking what your contract says. Where it isn’t required, we install the specified sealant to the maker’s details.
How a job runs
We begin with a short walk round with whoever looks after the building, to confirm the scope, the order of work and any areas we must keep clear. After that, any old or failed material is removed, each joint is prepared and the new sealant goes in. Smaller jobs around Laverstoke can be grouped with others nearby, which keeps travel down. A fixed quote is given before anything starts.
- The specification and schedule come first, so we know which details apply.
- We plan the sequence of floors, risers and voids with you.
- Each opening is checked for wall or floor type, service, gap and depth.
- Unsuitable material is removed and the opening cleaned so the seal starts clean.
- Backing and fire-rated sealant are installed to the detail and tooled.
- We tell you about openings that need a different product.
Before we start on site
- Confirm the product named in the specification
- Agree which areas must stay open
- Let us know about inductions and permits
Ask for a quote
Every quote starts with the facts: the joints involved, quantities, access and the product called for. Share whatever details you have and we’ll fill any gaps with a visit.
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Commercial clients in Laverstoke
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 will confirm them with the quote.
Hospitality, education, healthcare, office and retail clients 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.
Leave it or put it right?
An improvised seal can look finished while offering no tested performance. Correcting it means cutting it out and starting again with the specified product, so it makes sense to get it right first time. Older rural buildings around Laverstoke move with the seasons, and rigid or tired sealant can’t keep up. The right product, sized to the joint, copes much better.
A quote for service penetrations depends on how many there are, their condition and the access. Call for a quote.
Why choose Mastic Doctor in Laverstoke
- Fully insured, including public liability cover
- CSCS-carded applicators
- Joints cleaned back to sound surfaces
- Constructionline member for supplier checks
Take a look at how commercial sealant jobs are priced and our accreditations.
Aftercare for building managers
Keep the joints in good shape with a few simple steps:
- Make fire stopping part of every scope that crosses a fire-resisting wall
- Report damaged or disturbed seals as soon as they’re spotted
- Don’t let anyone top up a fire seal with the wrong product
- Check with the data sheet before painting over fire sealant
Keep the product data and installation details with the building’s fire safety information. It makes later repairs much easier to match.
Looking at service areas on a regular cycle pays off. A cracked or disturbed seal found early is a small job; found late, it can be one of many.
Cost factors for service penetrations
Each job is priced on its own details. The main factors are:
- The total length or number of joints
- Induction, permit and paperwork requirements
- Phasing around occupants
- How much existing material needs removing
There’s no price list, because the scope varies so much from one building to the next. Call for a quote and we will price your job on its own details.
Sending details for a quote
Whether it’s one area or a whole building, the same details help:
- The type of building and who uses it
- Photos of the joints, close up and from further back
- The product your specification calls for
- The postcode of the building
Need a figure for a tender or a budget? We will quote against your scope and drawings you can plan around. For a chat about it beforehand, give us a call on 01277 525 020 or use the quote form.
Towns and villages near Laverstoke
More services for Laverstoke
Penetration seals near Laverstoke
Fire stopping of openings and penetrations in England falls under Approved Document B. 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. Laverstoke is about 55 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, and the gaps need sealing with the specified product.
Schools such as Testbourne Community School often have new data and services installed during holidays, and penetrations through fire-resisting walls should be checked afterwards. In a building such as St Nicholas' Church, any service penetration through a fire-resisting wall should be sealed to the specified detail.
Laverstoke is about 8 miles east of Andover, in Hampshire. Any commercial site in Laverstoke is covered, for single jobs and planned programmes alike. 723 places across Hampshire fall within our area, Laverstoke among them. Reading is covered too, some 20 miles away.
Work on service penetrations is covered throughout RG28. We cover commercial and managed buildings on Laverstoke Lane and Florence Portal Close. Close to Laverstoke, our area also takes in Freefolk (1 mile north-west), Wells-in-the-Field (1 mile west), Southington (1 mile north-east), Whitchurch (2 miles west) and Overton (2 miles north-east). Further afield, our area takes in Basingstoke (9 miles east), Winchester (12 miles south), Andover (8 miles west), Alton (15 miles east), Tadley (11 miles north-east) and Hook (15 miles east).
Landmarks near Laverstoke
The closest station to Laverstoke is Whitchurch (Hampshire) station, about 1.7 miles west of the centre.