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

Facade Sealing contractors in Up Somborne

Looking for facade sealing in Up Somborne? It’s simple: send details, get a quote, we seal, guaranteed.

  • Failed sealant on precast panel joints
  • New sealant peeling off old mastic
  • Damp patches beside frames after rain
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
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
12-month guarantee on our workmanship.
London, the South East & Scotland
CHAS & Constructionline
£5m PL insurance

Facade sealing for Up Somborne sites

Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.

Surface by surface

Brick and stone facades

Brick and stone facades have perimeter and movement joints that need a compatible sealant. We avoid acetoxy silicone, which can stain some natural stone.

Precast concrete panels

Concrete edges can be dusty or weak. Faces are cleaned to sound concrete, and damaged edges are reported.

Facade sealing for commercial buildings in Up Somborne

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. If you have perimeter joints where frames meet the structure and patch repairs that keep failing, we can put it right, on coping and flashing joints, stone and brick facade joints and window and door perimeters alike. A single leaking joint is often how a building in Up Somborne first comes to us: we check the joints around it and give you an honest view of what needs doing now and what can wait.

In the countryside around places like Up Somborne, conversion schemes put new frames into old stone, flint, brick or timber. A product that grips an irregular face, with a colour that suits the building’s character, is usually what’s needed.

Guaranteed is the last step of every job. Our workmanship is backed for 12 months, and the quote explains what it covers.

Place
Up Somborne (SO20)
Region
Hampshire
Cover
A 12-month guarantee
Quote
A fixed quote before we start
Telephone
01277 525 020
Last updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

Why act early in Up Somborne

The longer a failed joint is left, the more the substrate suffers: wet edges break down, so repairs may be needed before resealing. Early action keeps it simple. Halls, stores and units around places like Up Somborne may not be checked every day, which gives a failed joint time to do damage. Renewing joints in good time avoids the problem.

A quote for facade joints depends on how many there are, their condition and the access. Call for a quote.

Why choose Mastic Doctor in Up Somborne

  • Over 20 years of commercial sealing
  • Fully insured
  • One number for every site we cover
  • Colours confirmed for the specified product

Read how commercial sealant jobs are priced or our accreditations.

Sites and facades in and around Up Somborne

Up Somborne sits in one of the drier corners of the country, the South East. That doesn’t stop wet spells, or frosty starts that leave panels too damp to seal, so we time external mastic for dry faces and agree it with the site team. Central London is about 64 miles from Up Somborne. Towns within reach of London tend to keep building, from flats to offices and schools, so mastic packages have to keep pace with busy programmes.

Extensions at sites like Royal Hampshire County Hospital, 4.9 miles south-east of Up Somborne, normally sit beside working departments, and the mastic follows strict access rules. Recladding or extending a unit at a site like Balldown Business Centre, 2.2 miles east of Up Somborne, brings panel joints and frame perimeters into the programme.

Up Somborne is about 5 miles north-west of Winchester, in Hampshire. We send applicators to Up Somborne for facade joints. Up Somborne is one of 723 places in Hampshire on our list. We also cover Southampton, some 12 miles away.

Anyone looking for facade sealing in SO20 gets the same process as the rest of our area: send details, get a quote, we seal, guaranteed. For a building on Court Lane and Up Somborne Lane or nearby, we can quote for facade joints. Just outside Up Somborne, we also work in Little Somborne (1 mile west), Ashley (1 mile south-west), King's Somborne (2 miles south-west), Lower Slackstead (4 miles south) and Braishfield (5 miles south). A short drive away, we cover Winchester (5 miles south-east), Eastleigh (9 miles south-east), Andover (9 miles north), Totton (12 miles south), Chandler's Ford (8 miles south) and Hedge End (13 miles south-east).

Near you in Up Somborne

Nearby you will also find Royal Hampshire County Hospital (4.9 miles south-east).

Map of Up Somborne © OpenStreetMap contributors

What we can’t put right

A proper diagnosis includes knowing what sealant can’t do. We will tell you if the real problem is one of these:

  • Render or concrete edges that have broken away
  • Arranging specialist high-level access, which is planned with the client
  • Leaks from roofs, gutters or failed flashings rather than sealant joints

If in doubt, call the office on 01277 525 020 or use the quote form and we will say what we think before you book.

What we seal

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

Questions about Up Somborne

Is Up Somborne off your patch?

No. Small places get the same service as large ones. Our area covers London and the South East counties. We plan jobs in smaller places so return trips are kept to a minimum.

Do you take on work at healthcare sites like Royal Hampshire County Hospital?

Yes, healthcare and care buildings are part of our work. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.

Are you insured?

Yes. Our insurance certificate can be sent alongside the quote.

How long does a job like this take?

It depends on the scope, though a typical visit normally takes anything from a single day to several weeks, depending on joint lengths, access and the weather. Larger or phased jobs take longer, and we’ll give you a timescale with the quote.

Are you CHAS accredited?

Yes. CHAS accredited, Constructionline member, and our applicators hold CSCS cards.

Do you replace failed glazing units?

No. We don’t install glazing systems, windows or glass. We seal the joints around them, such as perimeter joints where frames meet the structure.

Can you quote from photographs?

It depends on the job. Simple work can often be priced from photos, and bigger or more complex jobs typically get a visit.

Common problems we fix in Up Somborne

Not every failure is in the sealant: if the edge of the render, concrete or coating breaks away, the bead goes with it. When the joint edges need repair first, we say so.

It’s worth sending us details if you spot any of the following:

  • Weathered facade joints that have lost their grip
  • Draughts around frames and panels
  • Damp patches beside frames after rain
  • Perimeter sealant that has split or peeled away

For contractors at a college like Sparsholt College Rifle Range, 1.3 miles to the east of Up Somborne, perimeters and internal sealant are timed for the holidays.

What your quote should include

  • How they’ll work around occupants
  • Will CSCS-carded applicators be on site?
  • How long is the guarantee, and what does it include?
  • Are they CHAS accredited or on Constructionline?

How to choose a sealant contractor

On site: what to expect

We begin with a short walk round with whoever looks after the building, to confirm the scope, the order of work and any areas we must keep clear. Then we strip out anything that has failed, prepare every joint and seal it. If others near Up Somborne need work, visits can be combined, which keeps travel down. A fixed quote is given before anything starts.

  1. Access, site rules and timing are settled with the client up front.
  2. We only seal when joints are dry and within the product’s temperature range.
  3. Each joint is cut out and the edges inspected.
  4. Faces are cleaned, primed where needed and backed.
  5. Facade-grade sealant goes in and is tooled to a tidy concave profile.
  6. We hand over with our 12-month workmanship guarantee.

Getting the site ready

  • Let building users know which areas are affected
  • Send your site hours and access windows
  • Confirm the product named in the specification

Getting a fixed quote

The quickest route to a quote is a few photographs and the site postcode. Send them through the quote form, or speak to us on 01277 525 020 or email the details over to discuss it first.

Get a price

Advice

Keeping the joints sound

Problems stay small when the joints are checked regularly. In particular:

  • Share access with other external trades
  • Add perimeter sealant to planned maintenance checks
  • Report water ingress at frames as soon as it shows
  • Check that rainwater leaves the facade the way it was designed to

Following storms, look inside for damp or staining near frames. Catching a new leak early keeps the repair small.

Use each reseal to correct the joint: correct depth, proper backing and a sealant that can take the movement. Repeating a faulty detail just repeats the failure.

Accreditations

Trusted. Accredited. Insured.