Hampshire · England

Fire Rated Sealant in Little Somborne

Fire rated sealant across Little Somborne and nearby, with old sealant always removed completely.

  • Fire stopping disturbed by later work
  • Sealant items on a fire risk assessment action list
  • Open gaps behind door architraves

Need fire rated sealant in Little Somborne?

DIY sealant or a professional job?

The biggest DIY mistake is sealing over old sealant. Silicone doesn’t stick to old silicone, so it lifts and traps water and mould underneath. Everything old must be removed first.

If you’re set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it fails, we can still redo it.

Fire rated sealant in Little Somborne

Where services or frames pass through a fire-resisting wall or floor, the gap around them needs a fire-rated seal. Each gap is sealed to the product maker’s tested detail for its size and substrate, and we can record what went where. Common call-outs are for linear gaps at the head of walls and gaps flagged on a fire risk assessment, on plasterboard & masonry, linear gaps and service penetrations.

If you have holiday lets, a converted barn used for business or a community building near Little Somborne, washroom and kitchen sealant and any fire-rated joints need the same attention as anywhere.

All of our work is guaranteed for twelve months.

Eleven members of the Mr Mastic team standing in front of branded white vans
Place
Little Somborne (SO20)
Wider area
Hampshire
Cover
A year, on every job
Price
Quoted before any work starts
Phone
0345 464 0079
Updated
26 October 2026

When to call us in Little Somborne

Buildings are refitted and reconfigured over the years. Conversions to flats and HMOs, and office refits, create new walls and new routes for services, with gaps to match.

These are the problems we are asked about most:

  • Old fire sealant that has split or come away
  • Ordinary sealant used where a fire-rated product was needed
  • Gaps left after a refit or conversion
  • Joints picked up in a fire-stopping survey

In and around Little Somborne, as anywhere, good fire rated sealant starts with a clean, dry, properly prepared joint.

What your quote should include

  • What the cure time is
  • Whether they’re fully insured
  • The length of the guarantee
  • How the surfaces are prepared before sealing

Choosing a sealant specialist

Different surfaces, different methods

Service penetrations

Service penetrations are where new gaps often appear. Old or unsuitable filler comes out before the right sealant goes in over any backing the detail calls for.

Linear gaps

Some linear gaps have to cope with movement as well as fire. We choose a product and depth that suit the gap and the movement, following the tested detail.

Commercial buildings in Little Somborne

In England, the Regulatory Reform (Fire Safety) Order 2005 requires a fire risk assessment for workplaces and for the common parts of blocks of flats, which is often where open fire-stopping gaps are first noticed. We work to the specification you’re given, installing the product to its tested details.

Community buildings like All Saints Church are part of the picture too: gaps around pipes and cables are worth checking after any building work there.

Little Somborne is about 6 miles west of Winchester, in Hampshire. Jobs in Little Somborne get the same care as everywhere else we work: old sealant removed completely, careful preparation and a 12-month guarantee. Little Somborne is one of 683 places in Hampshire where we work for fire rated sealant. Our Southampton page covers work nearby, about 12 miles away.

Postcode districts we cover here for fire rated sealant: SO20. Whether your property is on Chalk Hill and Somborne Park Road or anywhere close by, our applicators can take on the job. Nearby, we also carry out fire rated sealant in Up Somborne (1 mile east), Ashley (1 mile south), King's Somborne (2 miles south-west), Lower Slackstead (5 miles south) and Braishfield (5 miles south). We also work in nearby towns such as Winchester (6 miles east), Eastleigh (10 miles south-east), Andover (8 miles north), Totton (12 miles south), Chandler's Ford (8 miles south) and Hedge End (14 miles south-east).

Local landmarks in Little Somborne

Well-known places in the area include Royal Hampshire County Hospital (5.6 miles east).

Map of Little Somborne © OpenStreetMap contributors

What happens on the day

When we get to you, we check the joints match what you told us. If anything is different, we explain it before carrying on. After that, the work takes a few hours for a handful of gaps, and longer for a whole building. In a small place like Little Somborne, access is generally the main thing to plan. For outside work, also let us know about exposed walls and any outbuildings involved.

  1. We start with the survey or action list, checking the size and surfaces of every gap.
  2. Anything that is not fit for the job comes out, and the gap is cleaned.
  3. Backing or fill is fitted where the product’s tested detail calls for it.
  4. Fire-rated or intumescent sealant is applied to the right depth and tooled.
  5. Locations and products are noted so you have them on file.

Getting ready for the visit

  • Let us know about parking restrictions
  • For business premises, tell us about site rules or sign-in
  • Mention any tricky access

Getting a quote

Getting a quote is simple: let us know the job and the location. Photos by email help us understand the job, and we will take it from there.

Ask for a quote

Related advice

When something else is needed

Before booking, it’s worth knowing the limits too:

  • Fire doors that need new seals, closers or hardware
  • Deciding what fire stopping a building needs
  • Construction that does not provide fire resistance on its own

If you’re not sure, just phone 0345 464 0079 or drop us an email and we will give you a straight answer before you book.

What we seal

  • Service penetrations
  • Plasterboard & masonry
  • Pipe & cable gaps
  • Linear gaps
  • Door frames
  • Flats & HMOs

What affects the quote in Little Somborne

There’s no set price list, because jobs vary so much. What we look at:

  • The number and length of the joints
  • The number of rooms or windows
  • Any working-time requirements on site
  • How easy the joints are to reach

Rather than a set price list, we look at what your job involves: the amount of work, the old material and the access. The price is agreed before we begin.

Asking for a quote

When you call or email, it’s useful to know:

  • How many joints, rooms or windows are involved
  • A few pictures by email, if you can
  • If it’s domestic, commercial or a hotel
  • The problem you’ve noticed

To get a quote, call 0345 464 0079 or drop us an email and tell us where the job is and what the problem looks like. We’ll give you a clear quote before any work starts.

Why it’s worth doing now in Little Somborne

Paying for fire stopping that has to be redone is a false economy. If the details weren’t followed, the seal may need redoing when the building is next checked. Where a wall is exposed, as many are in small places like Little Somborne, wind-driven rain gets into any failed joint, and older walls, once damp, take a long time to dry.

Commercial jobs are quoted on the same basis as homes: the amount of work, the access and the products needed. Ask us for a quote and we’ll explain what it covers.

Why us?

  • Any old sealant cut out fully, not covered over
  • More than 20 years in sealant work
  • Fully insured
  • Rated 4.9 stars on Google

See how sealant jobs are priced or customer reviews.

Little Somborne questions

Is fire rated sealant in Little Somborne guaranteed?

Every job comes with our one-year guarantee, wherever it is. We’re also fully insured and ARBOMaster approved.

Is Little Somborne within the area you cover?

Yes, smaller places are covered as well as towns. Our work covers London and the South East. Just mention lanes, gates or anything else about the route when you book.

Can I add another job to the visit?

Of course. Combining jobs makes good use of the visit, so mention them when you ask for a quote.

Will the old sealant be removed?

Yes. We cut out all the old sealant and clean the joint before applying anything new.

Can I use normal mastic around a pipe through a fire wall?

No. Where a fire-rated seal is needed, it has to be a product tested for that use fitted to the maker’s details.

How do I get a quote for fire rated sealant in Little Somborne?

There’s no set price, as it depends on the job: its size, the old material, access and the product needed. We agree the price before any work begins.

Can you tell me how many minutes the seal will last?

We do not certify fire stopping or quote ratings. Our part is installing the specified product to its tested details and giving you a record of where it went.

What do you need from me for a quote?

Only a few details: the address or postcode, what’s wrong and any access issues. After that, simply ring 0345 464 0079 or drop us an email.

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job