The Mastic Doctor team standing beside their branded vans outside an office building
Hampshire · England

Grayshott fire stopping

Commercial sealant work in Grayshott for contractors, FMs and building owners: fire-rated and intumescent sealing of service penetrations and linear gaps, quoted at a fixed price.

  • Unsealed openings around new pipes and cables
  • Damaged fire seals in risers and voids
  • Penetration schedules that need working through
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Signed off, with 12 months’ guarantee.
South East, London & Scotland
CHAS accredited
Fully insured: £5m PL

Fire stopping for businesses in Grayshott

Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.

How we handle fire stopping in Grayshott

Sealant is the specified answer for plenty of openings, such as metal pipes, cables and some small ducts where the detail covers them. Larger openings and some plastic pipes call for collars, wraps, batts or boards instead. We use sealant where it is the specified product, and we tell you when a detail calls for something else. If you’re dealing with non-fire-rated filler around services and fire-stopping items raised at inspection or handover, we can help, whatever the surface. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, the work in Grayshott is the same: failed joints cut out, faces prepared and the right sealant laid to the right depth.

Converted and extended buildings around places like Grayshott can mix old and new construction, so the wall or floor a service passes through isn’t always what the drawings assume. The right product depends on the wall or floor and the services passing through, and we will tell you if the detail calls for something other than sealant.

Building owners and contractors get the same cover: a 12-month guarantee on our workmanship. It doesn’t extend to damage, faults in the building or work by others, and we’re upfront about that.

The Mastic Doctor team standing beside their branded vans outside an office building
Where
Grayshott (GU26)
Region
Hampshire
Guarantee
12 months on our workmanship
Quote
Quoted before any work starts
Phone
01277 525 020
Last updated
3 November 2026

Looking after the joints

Your facilities or cleaning team can help the joints last. Pass these on to them:

  • Put resealing into every M&E and fit-out package
  • Agree the fire-stopping specification before services go in
  • Flag new cables with no seal around them
  • Check risers and ceiling voids after each round of works

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, by someone who knows the system.

Specify fire stopping early on refits, not as an afterthought. Details can then be picked to suit the actual pipes, cables and ducts, and installation follows the programme.

Our process

Site rules come first: sign-in, induction and whatever permit system the building uses. Once we’re cleared to begin, we take the joints in the sequence agreed with you. For a site in Grayshott, we plan so the whole job is done in one go where possible. Clear photographs and measurements help us bring the right products.

  1. We read the specification, drawings or penetration schedule you send.
  2. Every penetration is compared with its detail: wall or floor type, service, gap size and depth.
  3. Unsuitable fillers and loose debris are taken out of each opening.
  4. We fit the backing the detail asks for, to the stated depth.
  5. Fire-rated or intumescent sealant is gunned in to the specified depth, then tooled.
  6. If an opening needs something other than sealant, we tell you instead of improvising.

Getting the site ready

  • Tell us which areas need to stay in use
  • Point out parking and an unloading spot
  • Tell us what induction or permit system the site runs

Request 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.

Ask for a quote

Related advice

Compartment walls and floors in Grayshott

At about 39 miles from central London, Grayshott is within reach of the capital. Offices around the capital are refitted often, and the cabling that follows can breach fire-resisting walls. In England, Approved Document B covers fire stopping of 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 building such as Church of St Luke, new heating or data runs are the usual reason penetrations need sealing. Industrial units on estates such as Kings Road Industrial Estate, 2.1 miles to the south-east of Grayshott, often separate offices from warehouse space with fire-resisting walls, and new services through them need the specified seal. For a hotel such as Devil's Punchbowl Hotel, 1 mile east of Grayshott, penetration seals are worth checking after any refit or services upgrade.

Grayshott is about 7 miles south of Farnham, in Hampshire. Any commercial site in Grayshott is covered. Across Hampshire, 723 places are covered, including Grayshott. There’s a separate page for Portsmouth, about 25 miles away.

If you need fire stopping in GU26, the process matches everywhere else we work: details, then a fixed price, then sealing and a 12-month guarantee. If your site is on Church Lane, Vale Wood Lane and Avenue Road or close by, send details and we will quote for service penetrations. If your building is just outside Grayshott, we cover Hindhead (1 mile east), Nutcombe (1 mile south-east), Beacon Hill (1 mile north), Whitmoor Vale (1 mile north-west) and Green Cross (2 miles north). Bigger towns within reach include Farnborough (13 miles north), Fleet (12 miles north), Aldershot (9 miles north), Alton (10 miles west), Petersfield (11 miles south-west) and Bordon (5 miles west).

Near you in Grayshott

In Grayshott, that means premises near St Edmund's School, The Fox & Pelican pub and Woolmer Hill School. The nearest railway station is Haslemere station, about 2.2 miles south-east. Other landmarks nearby include Haslemere and District Hospital (2.4 miles south-east). Green spaces nearby include Lynchmere Commons and Upper Lake.

Map of Grayshott © OpenStreetMap contributors

Surface by surface

Cables and cable bundles

Data cabling added after handover is a regular cause of open service penetrations. We reseal around them to the specified detail, and we tell you if the bundle exceeds what sealant covers.

Masonry and concrete

Many seals are made in blockwork, brickwork or concrete slabs. Dust and loose debris are cleared out of the opening, with backing added if the detail requires it.

Why it’s worth doing now in Grayshott

An improvised seal can look finished while offering no tested performance. The fix is to remove it and reinstall to the detail. For buildings in places like Grayshott, one well-planned visit beats several small ones, so we’d suggest renewing all the joints that are going, not just the worst.

Whether it’s a single area or a whole estate, the same things set the price: what’s in scope, how we reach it, what’s specified and when it needs doing. Call for a quote and we will put a fixed figure on it.

Why us?

  • CHAS accredited contractor
  • Our applicators hold CSCS cards
  • One phone line for London, the South East and Scotland
  • Sealing commercial buildings since 2005

Take a look at how commercial sealant jobs are priced or how we’re accredited.

Cost factors for service penetrations

Sealant work doesn’t have a standard rate, since sites vary so much. What we take into account:

  • How much there is to seal
  • How much existing material needs removing
  • Access and working height
  • Site requirements such as inductions and permits

Larger quantities, tricky access or phasing all shape the price. Site requirements like inductions and permits play a part as well, along with the time of year for external work.

Sending details for a quote

A good diagnosis starts with the right details. Let us know:

  • Asbestos survey details if the building is older
  • The site address and postcode
  • Drawings or a marked-up plan, if available
  • Your programme or deadline

Tell us about the building, the joints and when you need the work done, and we’ll put a fixed quote together. The easiest way is to phone 01277 525 020 or email a schedule or drawings.

Questions about Grayshott

Can you take on a job at a hospital such as Holy Cross Hospital?

Yes. Healthcare sites are among the places we work. We follow the site’s permits, sign-in and infection-control procedures in every area.

Does your area include sites such as Kings Road Industrial Estate, near Grayshott?

Yes. Estates, retail parks and business parks around Grayshott, Kings Road Industrial Estate among them, are all within reach. A few photos and the unit address let us price the work.

How many days will you need on site?

We plan the time on site around your programme and access. We will give you an estimate of time on site when we quote.

How do you deal with asbestos in old sealant?

Some older mastics, especially in pre-2000 buildings, can contain asbestos. We check the asbestos register before cutting out old sealant in an older building, and if asbestos is suspected, work stops until it’s tested. We don’t remove asbestos-containing materials.

Do you hold third-party fire-stopping installer certification?

No. We are not members of a third-party fire-stopping installer scheme. Our credentials are CHAS accreditation, Constructionline membership and CSCS-carded applicators, and we are fully insured. Where a client or main contractor requires a scheme member, we’ll say so straight away rather than waste your time.

Can you handle several sites?

Yes. A group of buildings can go on one quote, and you deal with one contact throughout across South East England, Greater London and Scotland.

What changes on 2 September 2029?

From 2 September 2029, Approved Document B in England drops its references to BS 476 classes, subject to the Government’s transitional arrangements. The European route, BS EN 13501-2, then applies. Your designer will choose products with the right evidence.

When to bring in a 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.

For a quick touch-up, site staff may be fine, but larger jobs are different: a specialist brings efficiency, a consistent finish and a 12-month guarantee.

Accreditations

Trusted. Accredited. Insured.