
Fire-rated sealing and fire stopping in Hedge End, Hampshire
Fire stopping for Hedge End, from a contractor working since 2005. Fully insured and CHAS accredited.
- Damaged fire seals in risers and voids
- Open linear gaps along the top of fire-resisting walls
- Fire-rated sealant that has cracked or shrunk back
Fire stopping for Hedge End sites
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
About our fire stopping in Hedge End
A fire-rated sealant is only one part of a tested system: the evidence covers a specific product, wall or floor type, service, gap, depth and backing. Before we seal anything, we check the opening against the detail it is meant to follow, and we say so if it doesn’t fit. Most enquiries involve fire stopping installed outside its tested range and fire seals cut back for extra cables and never reinstated, on service gaps in risers, pipe penetrations and linear gaps at wall heads. Whoever orders the work in Hedge End, the brief is normally the same: a clear scope, tidy work and joints that don’t fail again.
For a facilities manager in Hedge End, fire-rated sealing tends to follow other work: a new data cabinet, a heating upgrade, a kitchen refit. A check after services work is sensible; tell us what the specification says and we’ll install to it.
What our 12-month guarantee covers is the way we did the job: the preparation, the sealing and the tooling. Damage, later alterations by others and movement beyond what the joint was designed for sit outside it.

- Location
- Hedge End (SO30, SO31)
- Wider area
- Hampshire
- Guarantee
- 12 months on every job
- Quote
- A fixed quote before we start
- Phone
- 01277 525 020
- Page updated
- 3 November 2026
Owners, agents and contractors
For main contractors, we work as the sealant subcontractor. Programme, specification and site rules come first, with CSCS-carded applicators on site.
We take on planned maintenance as well as one-off repairs: working through a building or an estate in stages that fit your budget. Hedge End can form part of a wider programme across Hampshire.
After the work
A few simple habits keep the new joints working:
- Leave fire sealant to cure fully before covering it
- Have penetrations checked while they can still be seen
- Report damaged or disturbed seals as soon as they’re spotted
- Put resealing into every M&E and fit-out package
Never top up a fire seal with foam, ordinary silicone or filler. Repairs need the same product and detail as the original unless the designer specifies otherwise.
On fit-outs, get the fire-stopping specification agreed before the services go in. Details can then be picked to suit the actual pipes, cables and ducts, and installation follows the programme.
General trades versus a specialist
A short, simple internal joint is often within reach of a maintenance team. The usual problems come from preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.
Paperwork matters too. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and our CSCS-carded applicators are used to working under those rules.
Also near Hedge End
Also in Hedge End
Hedge End: questions and answers
Do you work on fire-rated sealing in hotels in Hedge End?
Yes. We install fire-rated and intumescent sealant where it is specified. We match the product to the wall or floor and the services, and say if something other than sealant is needed.
Will you plan work around the academic year at somewhere like Solent University?
Yes. We plan campus work around teaching, exams and residence turnarounds. Tell us which site documents you need, such as RAMS, our insurance certificate or CSCS details, and they’re confirmed with the quote.
When is resealing likely to be due?
Nobody can honestly give a figure in years, since movement, weather, cleaning and use all affect it. Regular checks let you plan resealing before leaks or damage.
What’s the quickest route to a quote?
The quote form is the simplest route, though you can also ring 01277 525 020 or send details through our quote form. Include photographs or drawings if you have them.
Will your applicators have CSCS cards?
Yes. We use CSCS-carded applicators, as many construction sites ask for.
Are you fully insured?
Yes. Mastic Doctor is fully insured, public liability included.
Which sealant will you use?
The specification comes first, if there is one. If there isn’t one, it comes down to the joint: how much it moves, what it bonds to and whether it’s wet, trafficked or fire-rated.
Fire-rated sealing for Hedge End buildings
A 2-mile radius around Hedge End takes in a number of hotels. Hotels are divided into compartments, and refurbishments that add pipes and cables through bedroom and corridor walls leave gaps to close. Central London is about 66 miles from Hedge End. Offices around the capital are refitted often, and the cabling that follows can breach fire-resisting walls.
Shop fits on retail sites such as Hedge End Retail Park, 0.5 miles west of Hedge End, can bring new services through fire-resisting walls between units, to be sealed with the specified product. For an estates team at a campus like Solent University, which lies west of Hedge End, summer M&E works are typically followed by a round of penetration sealing. For a hotel such as The Legacy Botleigh Grange Hotel, 0.5 miles north-east of Hedge End, penetration seals are worth checking after any refit or services upgrade.
Hedge End is about 4 miles east of Southampton, in Hampshire. We cover Hedge End, with the same fixed quotes and 12-month guarantee as everywhere else. Hedge End is one of 723 places in Hampshire on our list.
Commercial sites across SO30 and SO31 are covered for service penetrations. Buildings on Lynton Road, Watts Road and Dean Court are within our area for service penetrations. Being close to the A334 and B3033, Hedge End is straightforward for us to reach. Just outside Hedge End, we also work in Thornhill (2 miles west), Harefield (2 miles west), West End (2 miles north-west), Chartwell Green (2 miles north-west) and Sholing (3 miles south-west). Nearby towns on our patch include Winchester (10 miles north), Gosport (10 miles south-east), Havant (14 miles east), Eastleigh (4 miles north-west), Fareham (6 miles south-east) and Horndean (13 miles east).
Near you in Hedge End
Recent enquiries here include premises near Wildern School and Wildern School, among other places. The nearest railway station is Hedge End station, about 1.2 miles north of the centre. Other landmarks nearby include Netley Castle (3.6 miles south-west) and Bursledon Brickworks Industrial Museum (2 miles south). Not far away are Netley Common.
Surface by surface
Plastic pipes
Waste and drainage pipes through floors are a frequent case. Whether sealant alone is acceptable depends entirely on the tested detail.
Risers and ceiling voids
Openings above suspended ceilings are easy to miss. We follow your schedule area by area and tell you about openings outside the list.
Why deal with it now?
It is cheaper to seal service penetrations as each services package finishes than to come back for them later. While the area is still open, every opening is easy to see and reach and each detail can be checked as we go. In Hedge End, as anywhere, the simplest time to fix a failed joint is before it leaks. Once water gets in, there’s drying out and making good as well.
The specified product makes a difference, as does the preparation each joint needs. Access, phasing and site rules also count.
Why choose Mastic Doctor in Hedge End
- CSCS-carded applicators
- One phone line for London, the South East and Scotland
- Fully insured
- 12-month guarantee on workmanship
See how commercial sealant jobs are priced and how we’re accredited.
From enquiry to sign-off
Working in a building that stays open takes some planning. We sign and contain the area we are in, with routes through the building left open and move on in phases so staff and visitors can carry on around us. In a town such as Hedge End, most jobs are single buildings. We start with your photos, drawings or a site visit, then send a fixed quote.
- We start with your penetration schedule, drawings or specification.
- Access, permits and the order of areas are agreed with the site team.
- Each opening is checked for wall or floor type, service, gap and depth.
- 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.
Before we start on site
- Share the asbestos register for older buildings
- Explain the parking and delivery arrangements
- Let building users know which areas are affected
Getting a fixed quote
To get a fixed quote, speak to us on 01277 525 020 or use the quote form, telling us the site location and the nature of the job. Our quote form is another easy route.