Fire Stopping in Wherwell Wood
Fire-rated and intumescent sealing of service penetrations and linear gaps across Wherwell Wood, carried out by CSCS-carded applicators. Fully insured and CHAS accredited.
- Service penetrations left open after M&E works
- Fire-rated sealant that has cracked or shrunk back
- Improvised or mixed-product fire seals
Fire stopping for Wherwell Wood sites
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
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. Around Wherwell Wood, it’s better to renew all the failing joints at once, rather than one at a time. Photos of every joint help us quote for the whole job.
The work involved drives the cost: stripping out, preparation, sealing, access and phasing. Call for a fixed quote.
Why choose Mastic Doctor in Wherwell Wood
- Work to your specification and the manufacturer’s guidance
- A fixed quote before work starts
- Commercial sealant work since 2005
- Fully insured, including public liability cover
Take a look at our cost guide and how we’re accredited.
Fire stopping in Wherwell Wood, done properly
On a fit-out or refurbishment, we follow the services contractors floor by floor. To price a package, call the office on 01277 525 020 or email us with the schedule or marked-up drawings. Tell us what records you need and we will confirm with the quote. We work on small duct penetrations where the tested detail allows, cable penetrations and pipe penetrations, and the failures we are asked to look at most are seals disturbed by maintenance and left open and head-of-wall gaps with no fire seal. A specialist sealant contractor works differently from a general builder: in Wherwell Wood, that means joint design, primers and backing rod as standard.
A job near Wherwell Wood is usually planned around one visit, so send the specification and photos first. Design and sign-off belong to the designer or building control; we install what’s specified.
We sign every job off with a 12-month guarantee. The promise is simple: if our work fails within that year, we put it right.
- Location
- Wherwell Wood (SP11)
- Region
- Hampshire
- Cover
- A 12-month guarantee
- Quote
- A fixed quote before we start
- Telephone
- 01277 525 020
- Updated
- 3 November 2026
When it isn’t the sealant
Part of a good diagnosis is knowing where sealant stops. We’ll tell you if the real problem is one of these:
- Fire doors, dampers or other fire safety equipment
- Writing the fire-stopping specification
- Gaps in walls that were never built as compartment walls
If you are not sure, just phone 01277 525 020 or send details through our quote form and we will give you a straight answer before you book.
Joints and surfaces we work on
- Linear gaps at wall heads
- Joints between fire-resisting walls and floors
- Service gaps in risers
- Pipe penetrations
- Small duct penetrations where the tested detail allows
- Cable penetrations
How a job runs
On arrival, we report to your site contact and complete whatever induction the building runs. Everything around the joints gets protected before anything is cut or cleaned, with the work itself typically taking a single visit for a short list of penetrations, or a phased programme for a whole building. Jobs in and around smaller places like Wherwell Wood are typically planned as a single visit, so photographs and measurements up front really help. That way the right products come on the day.
- 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 first.
- The specified backing and sealant go in to depth and are finished neatly.
- Anything outside the detail is reported to you rather than sealed.
Preparing the site
- Tell us your opening times and when work is allowed
- Have the specification and drawings to hand
- Tell us which areas need to stay in use
Get a fixed quote
Send details, get a quote, we seal, guaranteed: that’s how every job runs. To take the first step, call 01277 525 020 or email us.
Related advice
FAQs: Wherwell Wood
Can work at a site such as Andover College fit around teaching?
Yes. Tell us the term dates, vacation periods and access windows, and we will plan the work around them. Tell us which site documents you need, such as RAMS, our insurance certificate or CSCS details, and they’re confirmed with the quote.
Does your area include sites such as Harewood Forest Industrial Estate, near Wherwell Wood?
Yes. Estates, retail parks and business parks around Wherwell Wood, Harewood Forest Industrial Estate among them, are all within reach. Photos and a short description are enough for a first look.
Do you work in Wherwell Wood?
Yes. We take on work across Wherwell Wood.
What do you charge?
That depends on the job: quantities, access, the product and any phasing. Call for a quote and we’ll price it properly.
Does weather matter for sealant work?
It can, when the joints are outside. Sealant won’t bond properly to a wet or frosty joint, so we watch the forecast and rearrange outside work if we have to. Indoors, the weather is rarely a problem.
Which sealant will you use?
Where there’s a specification, we use the product it names. Otherwise, we recommend a product to suit the joint’s movement, the substrate and the conditions, following the manufacturer’s guidance.
What’s the quickest route to a quote?
The quote form is the simplest route, though you can also speak to us on 01277 525 020 or email drawings and photos. Include photos or drawings if you have them.
Common problems we fix in Wherwell Wood
Openings in fire-resisting walls usually appear when services are added or changed. A new cable pulled by an electrician, a pipe rerouted by a plumber or a data run drilled through a riser leaves an opening that nobody returns to. Over a few years of fit-outs, a wall can collect a lot of these.
Clients typically get in touch after noticing something like this:
- Damaged fire seals in risers and voids
- Penetration schedules that need working through
- Unsealed openings around new pipes and cables
- Head-of-wall gaps with no fire seal
Tenant changes at centres like Churchill Retail Park (2.9 miles north of Wherwell Wood) often mean new services through walls between units.
Comparing quotes
- Is depth set with backing rod, or bond-breaker tape in shallow joints?
- How they’ll work around occupants
- How long is the guarantee, and what does it include?
- Will RAMS and insurance details be available?
After the work
Problems stay small when the joints are checked regularly. In particular:
- Check risers and ceiling voids after each round of works
- Check with the data sheet before painting over fire sealant
- Agree the fire-stopping specification before services go in
- Report damaged or disturbed seals as soon as they’re spotted
Allow the manufacturer’s stated cure time before boxing in or decorating. Not every fire-rated product can be painted, and the data sheet says which.
Keep a register of where seals are and what they are made of. It tells the next contractor exactly what to reinstate, and it helps at inspections.
Different surfaces, different methods
Linear joints
Head-of-wall joints often have to absorb slab deflection. We use the product and backing the detail names for that movement, along the full length of the run.
Metal pipes
Metal pipes conduct heat, so their details often call for extra measures along the pipe, and the tested detail may ask for insulation beyond the wall. If the detail needs something beyond sealant, we tell you.
Compartment walls and floors in Wherwell Wood
Central London is about 63 miles from Wherwell Wood. Tenant changes on commuter-belt business parks mean regular fit-outs, and new services through compartment walls. Approved Document B is the English guidance that covers fire stopping around openings and penetrations. From 2 September 2029, BS 476 references are being taken out of Approved Document B, leaving BS EN 13501-2 classification as the route, subject to the Government’s transitional arrangements. What we install is set by the specification, and it goes in to the tested detail.
For a unit at a site such as Harewood Forest Industrial Estate (2.2 miles east of Wherwell Wood), new power or data runs between office and warehouse can breach a compartment wall. Large healthcare estates like Andover War Memorial Hospital, 3.2 miles north-west of Wherwell Wood, change their services often, so penetration seals are worth checking after M&E work.
Wherwell Wood is about 3 miles south-east of Andover, in Hampshire. Businesses, contractors and managing agents in Wherwell Wood use us for work on service penetrations. Across Hampshire, 723 places are covered, Wherwell Wood among them. Sites around Southampton have their own page, about 18 miles away.
Commercial sites across SP11 are covered for service penetrations. Nearby places we also cover include Wherwell (1 mile south-east), Goodworth Clatford (1 mile west), Cottonworth (1 mile south), Fullerton (2 miles south) and Chilbolton (2 miles south-east) for service penetrations. A short drive away, we cover Winchester (10 miles south-east), Eastleigh (15 miles south), Andover (3 miles north-west), Chandler's Ford (13 miles south), Romsey (13 miles south) and Hyde (10 miles south-east).
Local landmarks in Wherwell Wood
In Wherwell Wood, that means premises near White Lion Public House and Winton Community Academy. The nearest railway station is Andover station, roughly 2.9 miles north-west. Other landmarks nearby include Andover War Memorial Hospital (3.2 miles north-west) and Andover Museum (2.6 miles north). Open spaces near Wherwell Wood include Mill Lake and Anton Lakes.