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

Commercial sealant contractors in Farnborough, West Berkshire

We carry out sealant work for offices, shops, hotels and other commercial buildings in Farnborough and the surrounding area. Send photographs or drawings for a fixed quote.

  • Hardened, chalky sealant on south-facing or exposed elevations
  • Greasy, split joints in a kitchen or tea point
  • Damp patches where an external joint has failed
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
12-month guarantee on our workmanship.
Covering the South East & Scotland
Constructionline member
£5m PL insurance

Commercial sealant contractors in Farnborough

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

What affects the price in Farnborough

Each job is priced on its own details. The things that drive the figure:

  • How accessible the joints are
  • Whether old sealant has to be cut out first
  • Specialist products, such as fire-rated or hygienic sealants
  • Distance, for remote addresses

Whether it’s a single area or a whole estate, the same things set the price: scope, access, product and programme. Call for a quote, and you will have a fixed figure to work with.

Details that help us quote

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

  • Access details, including height
  • Whether the building will be occupied during the work
  • Rough lengths or quantities, or drawings if you have them
  • Specification clauses that apply

For a fixed quote, call the office on 01277 525 020 or use the quote form with the site address and an outline of the work. You can also send details through our quote form.

Commercial sealant contractors in Farnborough, done properly

Pricing a commercial reseal is a short process. Our quote form takes photos, drawings or a schedule of the areas. If the joints need seeing in person, a site visit comes first. We work on washrooms and tea points, floor and threshold joints and window and door perimeters, and what we’re called in for most is damp patches where an external joint has failed and untidy joints in a reception, shop floor or lobby. Searching for sealant specialists in Farnborough? We have been sealing commercial buildings since 2005.

In Farnborough, as anywhere, the first joints to go are usually the ones that work hardest: frame perimeters in the sun, floor joints at doorways and anything that gets wet every day.

Rural business units near smaller places such as Farnborough are frequently converted agricultural buildings. Old masonry beside new aluminium, timber and plasterboard gives plenty of joints between materials that move differently.

We stand by our work: 12 months, guaranteed. That covers our preparation and application.

The Mastic Doctor team beside their liveried vans in front of an office building
Location
Farnborough (OX12)
Wider area
West Berkshire
Cover
12 months on every job
Price
Quoted before any work starts
Telephone
01277 525 020
Updated
3 November 2026

Why deal with it now?

Before budgeting for new frames, cubicles or worktops, check whether it’s just the sealant. Often the fitting is sound and the joint is the only thing letting it down. A careful reseal is a far smaller undertaking than replacement. One visit to deal with every failing joint makes more sense than several trips to a place like Farnborough, rather than one at a time. Photos of every joint help us quote for the whole job.

Access can matter as much as the joints themselves: joints within easy reach take less time than ones that need access equipment. Tell us how the joints are reached and call for a quote.

Why clients in Farnborough choose us

  • Sealing commercial buildings since 2005
  • Fully insured, including public liability cover
  • Clear, fixed quotes
  • Failed material removed, not covered up

Take a look at what affects the cost and our accreditations.

Common questions from Farnborough clients

Is a smaller place like Farnborough outside your area?

No. Places such as Farnborough are covered as much as the big towns. We cover Greater London and the counties of the South East. Good photographs up front let us bring everything on the first visit.

Can you match sealant colours for premises in Farnborough?

Yes. Colour matching to frames, cladding, stone and shop-fit finishes is a regular part of the work. Send colour references or photographs and we’ll confirm what’s available for the product.

How long will the new sealant last?

It depends on movement, UV and weather, cleaning, traffic and the product. Sealant joints are maintenance items, so inspect them regularly.

Can you work to our specification?

Yes. Send it with your enquiry, and the quote will be based on it, flagging anything that needs clarifying.

Is it fine to apply new sealant on top of old?

No. Failed sealant is removed and the faces cleaned back to sound, dry material first, because fresh silicone will not bond with aged silicone.

Can you supply RAMS and insurance details?

Send your site requirements with the enquiry, and the paperwork is confirmed with the quote. From you, we will need the asbestos information for older buildings and any site rules.

Do you check for asbestos before removing sealant?

In buildings from before 2000 in particular, some old mastics and sealants may contain asbestos. Before cutting anything out, we ask for the asbestos register or survey, and if something is suspected, work stops until it’s tested.

Site staff or a sealant specialist?

The visible bead is only part of the job. Correct depth, the right primer and a sealant matched to the movement are easy to get wrong without experience.

A short, simple internal joint is often within reach of a maintenance team. The usual problems come from preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.

From enquiry to sign-off

A typical day starts with protection: masking tape along the joint edges and sheeting over anything nearby. The work itself normally takes a few hours for one area, or a planned series of visits across a bigger building, and our waste is bagged and taken away as we go. Rural sites near Farnborough may need directions, gate codes or a contact on site. Add it to your enquiry and we will build it into the plan.

  1. We start with the evidence: photos, drawings or a look on site.
  2. A fixed quote follows, with removal and preparation included.
  3. Sequence, access and working times are settled before the first joint is touched.
  4. Each joint is stripped, cleaned back to sound faces and primed where the maker specifies.
  5. Backing goes in, the new sealant is laid and tooled, and the area is left neat.
  6. Completed areas are signed off with you under our 12-month guarantee.

Preparing the site

  • Send your site hours and access windows
  • For older buildings, check the asbestos register before work
  • Arrange parking or a loading space

Quotes

Let us know the site, the scope and your timescale, and a fixed quote will follow. To get it moving, give us a call on 01277 525 020 or use the quote form.

Get a quick quote

Advice

Commercial premises in Farnborough

Farnborough lies roughly 55 miles out from central London. This part of the South East is dense with business parks and out-of-town offices. Occupiers with several premises in the region tend to prefer one contractor and one point of contact. Farnborough sits in one of the drier corners of the country, the South East. Even so, outside sealing waits for a dry joint, and cold, damp mornings can delay it.

A lasting commercial joint around Farnborough begins with the old bead fully out and the faces clean and dry.

Farnborough is about 4 miles south-east of Wantage, in West Berkshire. If you’re looking for commercial sealant contractors in Farnborough, we can help. Farnborough is one of 140 places we cover in West Berkshire for sealant joints. Our Oxford page has more on work in that area, about 16 miles away.

Work on sealant joints is covered throughout OX12, whatever the building. Close to Farnborough, our area also takes in Catmore (2 miles south-east), Brightwalton (2 miles south), Brightwalton Green (2 miles south), West Ilsley (3 miles east) and Stanmore (3 miles south-east). Bigger towns within reach include Newbury (10 miles south), Thatcham (10 miles south-east), Speenhamland (9 miles south), Hungerford (10 miles south-west), Little Heath (15 miles east) and Calcot (15 miles south-east).

Landmarks near Farnborough

Other landmarks nearby include Atlas Computer Laboratory (3.8 miles north-east). The countryside around Farnborough includes Chain Hill and Letcombe Valley.

Map of Farnborough © OpenStreetMap contributors

Looking after the joints

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

  • On pre-2000 buildings, share the asbestos information before work starts
  • Keep barriers up until the new sealant has cured
  • Put external and wet-area joints on a regular inspection round
  • Act on the first lifting edges rather than waiting

Add the resealed joints to your planned maintenance inspections. A periodic look catches splits and lifting edges early, especially on exposed elevations and in washrooms. Should something look amiss, you can speak to us on 01277 525 020 or email a schedule or drawings and send a picture.

Sealant rarely fails all at once across a building. The first failures are often a warning about the rest, so it makes sense to look at the wider elevation or block. We’ll tell you which sealant joints need doing first and which can wait.

Do you need commercial sealant contractors in Farnborough?

A split down the middle of the bead tells a different story. Usually the movement was too much for the sealant chosen: a bead laid too thin, an over-stretched joint or the wrong movement class. The same product in the same joint tends to fail the same way, which is why we look at the joint design as well.

Things that usually lead to an enquiry:

  • Expansion joints with the sealant torn out
  • Untidy joints in a reception, shop floor or lobby
  • Damp patches where an external joint has failed
  • Hardened, chalky sealant on south-facing or exposed elevations

For premises around Farnborough where the joint is seen, colour options for the product are confirmed with the quote.

Comparing quotes

  • Health and safety accreditation such as CHAS
  • Whether old or failed sealant will be cut out, not overlaid
  • Whether primer will be used where the manufacturer specifies it
  • How joint depth will be controlled

Our contractor checklist

Accreditations

Trusted. Accredited. Insured.