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

Upper Common facade sealing

Facade joint and window perimeter sealing on commercial buildings in Upper Common and across Hampshire. CHAS accredited, Constructionline member, with a 12-month guarantee on workmanship.

  • Water coming in around window frames
  • Cold air coming in at window perimeters
  • Unsightly perimeter sealant on a visible elevation
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Signed off, with 12 months’ guarantee.
South East, London & Scotland
CHAS accredited
£5m public liability

Facade sealing near Upper Common

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

What we’re called out for in Upper Common

Overlaying old sealant is a common shortcut that fails quickly. Fresh silicone won’t stick to cured silicone.

Any of the following is a good reason to get the joints checked over:

  • Gaps between rainscreen or cladding panels
  • Weathered joints at frame-to-structure perimeters
  • Hard, chalky sealant that no longer flexes
  • Leaks at window and door perimeters

For a contractor working at a hospital such as Basingstoke and North Hampshire Hospital (5.2 miles north of Upper Common), perimeter and facade sealing is planned around patients and deliveries.

Before you book anyone

  • How they handle RAMS and site documents
  • Is depth set with backing rod, or bond-breaker tape in shallow joints?
  • Who will actually carry out the work
  • Whether primer will be used where the manufacturer specifies it

How to choose a sealant contractor

Facade sealing in Upper Common

Managing agents and owners in Upper Common ask us to, we reseal perimeters across whole elevations or a handful of problem windows. Either way, the method is the same: old sealant out, faces cleaned, depth set and a new bead tooled in. A 12-month guarantee applies to our workmanship. We work on window and door perimeters, coping and flashing joints and shopfront frames, and the usual reasons a site gets in touch are discoloured or dirty facade joints and old perimeter mastic that has dried out. Most enquiries from Upper Common start with one failed joint and grow into a wider look at the building: we check the joints around it and give you an honest view of what needs doing now and what can wait.

Sites around smaller places like Upper Common can be a fair drive from suppliers, so we come with everything the package needs. Send drawings or photographs and the programme and we will quote to suit.

What our 12-month guarantee covers is the way we did the job: preparation, application and finish. It doesn’t extend to damage, other trades’ later work or movement the joint was never designed to take.

Place
Upper Common (RG25)
Wider area
Hampshire
Guarantee
A 12-month guarantee
Price
A fixed quote before we start
Telephone
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

When to bring in a specialist

Paperwork matters too. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and we will confirm the paperwork you need with the quote.

Putting right a botched joint often costs more than sealing it well at the start, since all of it has to come out and the faces be cleaned back again. For that reason, many FMs and contractors use a sealant specialist from the outset.

Owners, agents and contractors

We work for building owners and managing agents on sealant work across single buildings or whole portfolios. One quote can cover more than one site, so there’s one set of paperwork to deal with.

Hospitality, education, healthcare, office and retail clients come to us directly as well. We plan around the way the building is used, so guests, pupils, patients or staff are disturbed as little as possible.

Why act early in Upper Common

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. Converted and older buildings near places like Upper Common tend to move, and aged sealant cracks. A sealant with the right movement capability, correctly sized, lasts far better.

Every site prices differently: joint size, product, access and site hours all play a part. Send the details and a fixed figure follows.

Why us?

  • One number for every site we cover
  • Specification-led, product-correct work
  • Colour options checked against the specified product
  • Fully insured

See our cost guide or how we’re accredited.

Diagnose, treat, sign off

Site rules come first: sign-in, induction and whatever permit system the building uses. With the paperwork done, we take the joints in the sequence agreed with you, and each area is checked before we leave it. If others near Upper Common need work, visits can be combined. A fixed quote is given before anything starts.

  1. Photos, drawings or a visit tell us about the joints and the access.
  2. We confirm the joint type, movement and the specified product.
  3. The existing bead comes out in full and the joint faces cleaned.
  4. Primer goes on where the product data asks for it.
  5. Backing rod is fitted and the new sealant gunned in and tooled.
  6. We go over the completed work with you before leaving.

Getting the site ready

  • Warn occupants and staff about the work
  • Share your working hours and any access restrictions
  • Send any specification or drawings in advance

Quotes

Send details, get a quote, we seal, guaranteed: that’s how every job runs. The first step is to speak to us on 01277 525 020 or email a schedule or drawings with what you know.

Get a price

Read more

When it isn’t the sealant

Part of a good diagnosis is knowing where sealant stops. You’ll hear from us if the cause turns out to be any of the following:

  • Joints whose design needs changing by the specifier
  • Leaks from roofs, gutters or failed flashings rather than sealant joints
  • Cracked or spalling substrates that need repair before sealing

If in doubt, give us a call on 01277 525 020 or use the quote form and we’ll say what we think.

Where we work in Upper Common

  • Shopfront frames
  • Perimeter joints where frames meet the structure
  • Coping and flashing joints
  • Cladding panel joints
  • Window and door perimeters
  • Stone and brick facade joints

Mastic packages on Upper Common sites

Upper Common sits in one of the drier corners of the country, the South East. Still, external mastic needs dry faces within the maker’s temperature limits, which isn’t every day, so we time external mastic for dry faces and agree it with the site team. Upper Common lies roughly 48 miles out from central London. Towns within reach of London tend to keep building, from flats to offices and schools, and each scheme needs its mastic sealed to programme.

Historic houses such as Hall Place (3.9 miles south-east of Upper Common) are a reminder of the older buildings in the wider area, where sealing against old stone, brick or timber needs compatible products. New units and refits on sites such as Viables Business Park (2.8 miles north of Upper Common) need their panel and perimeter joints sealed to the specification.

Upper Common is about 4 miles south of Basingstoke, in Hampshire. Businesses, contractors and managing agents in Upper Common use us for work on facade joints, as part of our coverage of Hampshire. Across Hampshire, 723 places are covered, Upper Common among them. Our Reading page has more on work in that area, about 18 miles away.

Anyone looking for facade sealing in RG25 gets the same process as the rest of our area: details, then a fixed price, then sealing and a 12-month guarantee. If your building is just outside Upper Common, we cover Ellisfield (1 mile north-east), Cliddesden (2 miles north), Nashes Green (3 miles east), Viables (3 miles north) and Eastrop (4 miles north). Nearby towns on our patch include Basingstoke (4 miles north), Winchester (14 miles south-west), Fleet (12 miles north-east), Aldershot (15 miles east), Alton (6 miles south-east) and Petersfield (15 miles south-east).

Near you in Upper Common

We work on buildings around The Fox pub and the streets around them. Upper Common’s nearest station is Basingstoke station, roughly 4.4 miles north. A little further out are Barton Castle (4.6 miles south) and Gliding Heritage Centre (3.5 miles south-east). For a walk, there’s Farleigh Hill.

Map of Upper Common © OpenStreetMap contributors

Your questions answered

Can you work on a hospital site such as Basingstoke and North Hampshire Hospital?

Yes, provided the work is planned with the site’s estates team. Work is phased so departments keep running, under the site’s own rules.

Is Upper Common too far out for you?

No. Places such as Upper Common are covered as much as the big towns. We cover Greater London and the counties of the South East. Where we can, we group nearby jobs to make the most of each trip.

What site paperwork can you supply?

Requirements differ from site to site, so list what you need, whether RAMS, insurance or CSCS details, and we will confirm with the quote.

Can you work on upper floors?

Access is planned with you before we quote. Let us know what access is in place or planned, and the quote will reflect it.

Can the building stay open while you work?

Yes, with some planning. We agree a sequence with your contact so just one area at a time is disrupted.

Which sealant will you use?

A specification, where there is one, decides it. 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.

What do you charge?

Each job is quoted on its own details. For yours, give us a call on 01277 525 020 or email a schedule or drawings with a description of the work.

Accreditations

Trusted. Accredited. Insured.