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

Commercial sealant contractors in Stonehills, Hampshire

Sealant work for offices, shops, hotels and other commercial buildings throughout Stonehills and nearby, by CSCS-carded applicators. CHAS accredited and fully insured.

  • Wall and floor joints that have lost their seal
  • Smeared sealant across finishes from a rushed job
  • Leaks that seem to come through a sealant line
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
CHAS & Constructionline
Fully insured: £5m PL

Commercial sealant contractors for businesses in Stonehills

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

Commercial sealant contractors in Stonehills

Failed sealant isn’t always the whole story. A leak near a frame edge can start in the frame, the cill or the cavity, and repeated splits in a movement joint can mean the joint is too narrow for the movement. We look before we quote and tell you plainly if sealant won’t solve it, so nobody pays for a reseal that can’t hold. If you have external beads that have gone brittle and cracked and a top-up bead over failed sealant, now lifting, we can put it right. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: on jobs in Stonehills, preparation and product choice get the time they need.

On a typical commercial building in Stonehills, the joints that fail first are the hardest-worked ones: south-facing perimeters, entrance thresholds and busy washrooms.

Commercial sealant work around smaller places like Stonehills tends to mean pubs and restaurants, halls, farm shops and offices in converted farm buildings. Each has kitchens, washrooms and frames whose joints need renewing in time.

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.

Place
Stonehills (SO45)
Region
Hampshire
Cover
12 months on every job
Price
A fixed quote before we start
Call
01277 525 020
Page updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

For managing agents and facilities managers

We take on planned maintenance as well as one-off repairs: resealing failed joints building by building, on a schedule that suits your budget. Sites in Stonehills can sit alongside others in a wider programme.

Facilities managers want contractors who arrive with the paperwork sorted. Let us know the documents you need (RAMS, insurance certificate, CSCS details) and we’ll confirm them with the quote.

What Stonehills’s businesses ask us to seal

Stonehills lies within about 1 mile of the sea. Exposed frontages near the sea are hard on sealant, so the product has to suit the weather as well as the look. A matched colour is only half the brief on an exposed frontage. Stonehills is in the South East, one of the UK’s drier regions. Drier doesn’t mean dry every day, so frontage work still has some give in the dates.

A hotel such as Falcon Hotel, under half a mile to the north-west of Stonehills, shows how much sealant a hospitality building has on show, from bathroom joints to the bar. If you have premises on more than one site, say at Ensign Way Business Park and Glenmore Business Park, one contractor and one quote can cover both. Premises within reach of Hamble station, 3.3 miles to the north of Stonehills, often have busy frontages where joints are seen by everyone passing.

Stonehills is about 4 miles south-east of Hythe, in Hampshire. Our applicators travel to Stonehills for work on sealant joints, handled exactly as we handle every other area. Stonehills is one of 723 places in Hampshire on our list. Our Southampton page has more on work in that area, about 7 miles away.

Work on sealant joints is covered throughout SO45, for business premises of every kind. We cover commercial and managed buildings on Stonehills and Fawley Bypass. We also cover Ashlett (1 mile north-east), Fawley (1 mile north-west), Sprat's Down (1 mile south), Calshot (1 mile south-east) and Blackfield (1 mile south-west) for sealant joints. Nearby towns on our patch include Gosport (8 miles east), Eastleigh (10 miles north), Fareham (7 miles east), Totton (10 miles north-west), Chandler's Ford (11 miles north) and Hedge End (7 miles north).

Near you in Stonehills

Around Stonehills, our work takes us to commercial buildings near Falcon Hotel and The New Forest Academy and the streets around them. The closest station to Stonehills is Hamble station, about 3.3 miles north. Other landmarks nearby include Calshot Castle (1.6 miles east) and Coldeast (4.1 miles north-east). For a walk, there’s Mercury Marshes.

Map of Stonehills © OpenStreetMap contributors

What sets the cost

What shapes the price:

  • Location, for remote and island sites
  • Specialist products, such as fire-rated or hygienic sealants
  • The size and state of each joint
  • Quantities, in metres or numbers

The specified product makes a difference, and so does the preparation. Access, phasing and site rules also count.

What to include in your enquiry

It doesn’t need to be a full survey. A few details are enough to get going:

  • Approximate linear metres or a joint schedule
  • When you need the work done
  • The site address and postcode
  • The asbestos register, for older buildings

A good quote starts with a clear picture: what’s there, how much of it, how we reach it and what’s specified. Send what you have, and we’ll arrange a site visit if anything is unclear.

What happens if it’s left?

A cheaper quote sometimes means the old bead stays in. New sealant laid on old silicone has nothing to bond to, so it peels. Our prices always include removal of the failed bead and full joint preparation, because that’s what makes the new bead last. Older rural buildings around Stonehills move with the seasons, and rigid or tired sealant can’t keep up. A sealant with the right movement capability, correctly sized, lasts far better.

Pricing sealant joints depends on quantities, condition and access, plus any specification you are working to. Call for a quote.

Why choose Mastic Doctor in Stonehills

  • Colour agreed before work starts
  • One number for every site we cover
  • Fully insured
  • CSCS-carded applicators

Take a look at our cost guide and how we’re accredited.

How the job changes by surface

Shop fronts and retail fit-outs

Retail work usually has to fit around trading. Tell us your trading hours and access windows and we will plan around them, working in sections where that helps.

Washrooms and toilets

Around WCs, urinals, vanity tops, IPS panels and cubicles, sealant is wet most of the day. Old sealant comes out and a sanitary silicone with anti-mould additives goes in, phasing the rooms so not every toilet is closed at once.

Diagnose, treat, sign off

Before any cutting starts, the area is protected: masking tape along the joint edges and sheeting over anything nearby. On site, the work usually takes a few hours to several days on most single sites, depending on joint lengths and access, and our waste is bagged and taken away as we go. Jobs in and around smaller places like Stonehills are usually planned as a single visit, so we ask for photos and rough sizes first. Then the right materials arrive with us.

  1. You send photographs, drawings or a list of the joints and areas involved, and a site visit is booked where it helps.
  2. We work out why the joints have failed and fix a quote for the agreed scope.
  3. Before anything is cut out, we agree access, timings and sequence.
  4. The failed bead is removed and the joint faces cleaned until they’re sound and dry.
  5. Backing and primer go in where needed, then the chosen sealant is applied and tooled.
  6. Finished joints are checked with you and handed over with our 12-month guarantee.

Getting the site ready

  • Send your site hours and access windows
  • Let us know about inductions and permits
  • Move anything stored against the joints

Ask for a quote

To get a fixed quote, call 01277 525 020 or email drawings and photos, telling us the site location and the nature of the job. You can also send details through our quote form.

Get a price

Related advice

Questions we’re asked in Stonehills

Our building in Stonehills is near the coast: does that change the sealant?

It can. Wind-driven rain and, closer to the shore, salt air are harder on external joints. Product choice and preparation matter more, and sea-facing elevations are worth inspecting more often.

Is Stonehills off your patch?

No. Places such as Stonehills are covered as much as the big towns. London and every South East county are within our area. Where we can, we group nearby jobs to make the most of each trip.

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 checks let you plan resealing before leaks or damage.

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.

Can you work to our specification?

Yes. Include it with the drawings when you ask for a quote, and the quote will be based on it.

How do you keep disruption to occupiers down?

It’s mostly about sequence: we agree access windows, phase the work and keep enough facilities open. Let us know what can’t close and we’ll work around it.

How soon can the area be used again?

Curing time varies by product, and we confirm it on the day, and sign any area that should be left alone.

Site staff or a sealant specialist?

Using site staff can make sense for a small touch-up, but larger jobs are different: a specialist brings efficiency, a consistent finish and a 12-month guarantee.

Certain joints really need a specialist: for example fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. Getting these wrong normally costs more in the end than doing them right.

Accreditations

Trusted. Accredited. Insured.