Facade and window perimeter sealing in Gosport, Hampshire
Facade sealing for Gosport, from a contractor working since 2005. Fully insured and CHAS accredited.
- Perimeter joints where frames meet the structure
- Water coming in around window frames
- New sealant peeling off old mastic
Facade sealing across Gosport
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
Facade sealing in Gosport
Every facade quote starts with how the joints will be reached. Tell us about access: whether scaffold is already up, what the client is arranging, and any restrictions on the site, so the price covers the real job. We work on perimeter joints where frames meet the structure, window and door perimeters and stone and brick facade joints, and what we are called in for most is old perimeter mastic that has dried out and weathered joints at frame-to-structure perimeters. Whoever orders the work in Gosport, the brief is typically the same: a clear scope, tidy work and joints that don’t fail again.
Conversions of older rural buildings near smaller places such as Gosport bring stone, flint, brick and timber up against new glazing. Those joints need a sealant that suits an uneven, sometimes porous surface, and often a colour chosen for the building.
We stand behind the joints we seal with a 12-month guarantee. It covers how we prepared and applied the sealant, and if something we did falls short, we return to it.
- Location
- Gosport (SO51)
- Region
- Hampshire
- Guarantee
- A 12-month guarantee
- Price
- Quoted before any work starts
- Phone
- 01277 525 020
- Updated
- 3 November 2026
Why act early in Gosport
A few metres of new sealant compare well with replacing ceilings, linings or damaged stock. Water through a failed joint rarely stays where it starts, often turning up far from the joint. Older rural buildings around Gosport 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.
The product called for affects the cost, and so does the preparation, such as cutting out, priming or new backing rod. Access, phasing and site rules also count.
Why appoint us
- Old sealant cut out, never sealed over
- Workmanship guaranteed for 12 months
- One contact handling all your sites
- Constructionline member
Take a look at how commercial sealant jobs are priced and how we’re accredited.
New build and refits around Gosport
Central London is about 67 miles from Gosport. Commuter-belt towns tend to see a steady flow of new flats, offices and commercial schemes, so mastic packages have to keep pace with busy programmes. Gosport is in the South East, one of the UK’s drier regions. Still, external mastic needs dry faces within the maker’s temperature limits, which isn’t every day, which is why external dates are agreed with the site manager.
Projects at schools like Ampfield Church of England Primary School work to term dates, so mastic is programmed tightly. For a contractor at a hotel such as The Potters Heron Hotel (0.9 miles east of Gosport), the mastic often has to be finished before a reopening date.
Gosport is about 2 miles east of Romsey, in Hampshire. Any commercial site in Gosport is covered, whether it’s a single job or part of a planned programme. We work across 723 places in Hampshire. There’s a separate page for Southampton, about 6 miles away.
We take on facade joints across the SO51 postcode area. Sites close to Gosport are covered too, including Ampfield (1 mile north-east), Crampmoor (1 mile west), Knapp (1 mile north-east), Broadgate (1 mile east) and Lower Slackstead (2 miles north). Nearby towns on our patch include Winchester (6 miles north-east), Eastleigh (5 miles south-east), Fareham (15 miles south-east), Andover (14 miles north), Totton (7 miles south-west) and Hedge End (8 miles south-east).
Local landmarks in Gosport
We work on buildings around White Horse Public House and The Mountbatten School. For rail, the closest station is Chandlers Ford station, roughly 2.6 miles south-east. Nearby you’ll also find King Johns House (2.9 miles west) and Romsey Community Hospital (2.2 miles west). For a walk, there’s Emer Bog and Baddesley Common.
FAQs: Gosport
Is Gosport too far out for you?
Not at all. Gosport is within our area. Our area covers London and the South East counties. Good photos up front let us bring everything on the first visit.
Is Sleepy Hollow Business Park, near Gosport, within your area?
Yes, sites like Sleepy Hollow Business Park are within our area, along with the rest of Gosport. A few photos and the unit address let us price the work.
Is old mastic on our building likely to contain asbestos?
In older non-domestic buildings, old sealant can contain asbestos. The dutyholder’s asbestos register should be checked first; if it’s suspected, work stops until it has been tested. We don’t remove asbestos-containing materials.
Will you just go over the old sealant?
No. Overlaying old sealant is a frequent cause of early failure, so it all comes out first.
Will rain stop the work?
Year-round work is possible as long as joints are dry and temperatures suit the product. Frost and condensation on glass and steel are common on winter mornings, so we plan around the forecast.
When can you be on site?
Give us your site hours and any access windows in your enquiry, and we will plan around them. You can reach the office between 8am and 5pm, Monday to Friday.
Can weather delay the job?
It can, when the joints are outside. Wet joints and cold, damp or frosty conditions stop the sealant bonding properly, so external work may be moved if conditions aren’t right. Internal work is far less affected.
Work for main contractors and building owners
Planned maintenance programmes are welcome: working through a building or an estate in stages that fit your budget. Sites in Gosport can sit alongside others in a wider programme.
When you manage a building on behalf of an owner, clear figures and clear communication matter. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative.
What sets the cost
There’s no standard rate for sealant work, because every site is different. What we look at:
- Access and working height
- Removal of failed or old sealant
- Travel to remote or island sites
- Whether the work must be split into stages
Quantities, awkward access and phased working all shape the price. So do site requirements such as inductions and permits.
What we need to price the job
The more we know, the firmer the quote. When you get in touch, include:
- The product your specification calls for
- Access details, including height
- Whether an asbestos survey exists
- When you need the work done
Photos, drawings or a schedule of the joints and a fixed quote comes back to you. Where a site visit makes more sense, we’ll arrange one.
Also near Gosport
What else we do in Gosport
On site: what to expect
Working in a building that stays open takes some planning. We sign and contain the area we are in, keep walkways clear and work section by section so the rest of the building stays in use. Rural sites near Gosport may need directions, gate codes or a contact on site. Add it to your enquiry and we’ll build it into the plan.
- We look at the joints, the drawings and the access before pricing.
- The old bead is cut away completely, not overlaid.
- Joint faces are cleaned to firm, sound material, with primer where the sealant maker specifies it.
- Closed-cell rod fixes the depth, and the sealant grips two sides only.
- The new sealant goes in and is tooled firmly onto both faces.
- The completed runs are checked with you, then the 12-month guarantee applies.
Getting the site ready
- Tell staff and tenants when we will be in
- Confirm the product named in the specification
- Point out any areas we must not close
Get a fixed quote
For a fixed quote, call 01277 525 020 or send photos by email. You can also send details through our quote form.
Read more
Doing it in-house
For a quick touch-up, site staff may be fine, but larger jobs are different: a specialist works through quantities efficiently, leaves a consistent finish and backs it with a 12-month guarantee.
Some joints are best left to specialists: for example fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. Getting these wrong usually costs more in the end than doing them right.
Signs you need facade sealing in Gosport
Sun, rain and temperature swings wear facade sealant down over the years. The bead hardens, chalks on the surface and loses the flexibility to follow the joint.
If one of these sounds familiar, it’s time for a closer look:
- Staining on stone next to old sealant
- Facade joints cracked through the middle
- Perimeter joints where frames meet the structure
- Draughts around frames and panels
New wings at hospitals like Romsey Hospital (2.2 miles west of Gosport) bring long runs of window and panel joints to seal.
Before you book anyone
- How they handle RAMS and site documents
- Are they CHAS accredited or on Constructionline?
- How joint depth will be controlled
- Is the sealant right for the movement and the substrate?