Sealant specialists in Selborne
Sealant work for offices, shops, hotels and other commercial buildings across Selborne, carried out by CSCS-carded applicators. Fully insured and CHAS accredited.
- Earlier reseals applied straight onto the failed bead
- Shrunken sealant along kitchen worktops and splashbacks
- Wall and floor joints that have lost their seal
Commercial sealant contractors near Selborne
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
Commercial sealant contractors in Selborne
Sealant joints are easy to overlook until one lets water in, and in an occupied building failure normally announces itself as a stained ceiling or an unhappy tenant. Mastic Doctor works as a commercial sealant contractor for facilities managers, managing agents and main contractors. We find out why the sealant joints failed, take them out and seal again using a sealant that suits the joint. Site teams most often ask us about external beads that have gone brittle and cracked and leaks that seem to come through a sealant line, on floor and threshold joints, movement joints in walls and floors and external facade joints. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: on jobs in Selborne, preparation and product choice get the time they need.
On a typical commercial building in Selborne, 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 Selborne 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.
What our 12-month guarantee covers is the way we did the job: the preparation, the sealing and the tooling. Damage, later alterations by others and movement beyond what the joint was designed for sit outside it.
- Where
- Selborne (GU34)
- Wider area
- Hampshire
- Cover
- 12 months on our workmanship
- Quote
- A fixed quote before we start
- Telephone
- 01277 525 020
- Last updated
- 3 November 2026
Common questions from Selborne clients
Does your area include sites such as Southlands Industrial Park, near Selborne?
Yes. Estates, retail parks and business parks around Selborne, Southlands Industrial Park among them, are all within reach. Send details of the unit and the work through our quote form for a quick quote.
Can the sealant on our Selborne premises match the finishes?
Yes, we can usually get close to most finishes from the product’s colour range. The quote lists the colours the product is made in.
Are you CHAS accredited and on Constructionline?
Yes. We are CHAS accredited and a Constructionline member, which helps with supplier vetting.
Is failed sealant stripped out, or sealed over?
Every failed bead is cut out completely. Laying new silicone on old gives it nothing to grip; the faces are then cleaned and prepared.
Will your applicators have CSCS cards?
Yes. Our applicators hold CSCS cards, which many sites require.
Will the building have to shut during the work?
Most of the buildings we work in stay occupied. We agree the order of areas, protect what’s nearby and close off only the section we’re sealing for as long as the cure needs.
How long do sealant joints last?
There’s no fixed lifespan: movement, exposure, cleaning, traffic and the product all play a part. Treat them as maintenance items and inspect them regularly.
How a job runs
On arrival, we report to your site contact and complete whatever induction the building runs. Floors, finishes and fittings next to the joints are covered before any cutting starts, and the work usually takes part of a day on a small job and longer where several buildings or phases are involved. For a building around Selborne, tell us how to find it and who will meet us. Add it to your enquiry and we’ll build it into the plan.
- First, details come to us: photos, drawings or a schedule of the areas, or we arrange a site visit.
- Next comes a diagnosis and a fixed quote.
- We plan around your site hours and access windows, phasing the work where areas have to stay in use.
- Failed sealant is cut out and each joint cleaned back to sound, dry faces.
- Backing and primer go in where needed, then the chosen sealant is applied and tooled.
- We walk the completed areas with you and sign them off under the 12-month guarantee.
Preparing the site
- Send any specification or drawings in advance
- Share your working hours and any access restrictions
- Tell us what induction or permit system the site runs
Quotes
To get a fixed quote, speak to us on 01277 525 020 or send details through our quote form, telling us the site location and the nature of the job. You can also send details through our quote form.
Read more
Aftercare for building managers
Every sealant joint needs some looking after, and their life depends on movement, exposure, cleaning and use. Our advice:
- Keep washroom and kitchen extraction working
- Keep barriers up until the new sealant has cured
- Log reseals in the O&M or maintenance records
- Check the asbestos register before anyone disturbs old sealant in an older building
Good ventilation keeps wet-area sealant in better condition. Fans that are broken or switched off leave joints damp for longer, which is how mould gets back in. It’s worth having fans checked while the sealant is fresh.
Tenants and staff spot black or split sealant quickly. Replacing it on a planned cycle keeps complaints down.
Different surfaces, different methods
Window and door perimeters
Internally, window boards and frame edges often have decorators’ caulk or silicone that has cracked. We use a paintable product where decorating follows and a silicone where it doesn’t, matched to the frame colour where colour matters.
Fire-rated seals where specified
Where the specification calls for fire-rated or intumescent sealant around service penetrations or linear gaps, we install it to the product’s tested detail. The design and sign-off of fire stopping belong to the designer and building control.
Site staff or a sealant specialist?
Some joints are best left to specialists: fire-rated seals that must follow a tested detail, trafficked floor joints and external movement joints among them. A poor seal in places like these tends to cost more to put right later.
What you see is the finished bead, but most of the work is hidden. Correct depth, the right primer and a sealant matched to the movement are easy to get wrong without experience.
What affects the price in Selborne
Quotes vary with the job. It mainly depends on:
- Phasing around occupants
- How much there is to seal
- Any access equipment needed
- Site requirements such as inductions and permits
We don’t publish prices, since every building and every scope is different. For a fixed figure, call for a quote.
What to include in your enquiry
A few photos plus some basic facts will normally do. Please tell us:
- How the joints are reached, and at what height
- Asbestos survey details if the building is older
- Drawings or a marked-up plan, if available
- Specification clauses that apply
Let us know the site, the scope and your timescale, and a fixed quote will follow. The easiest way is to call 01277 525 020 or email us.
Do you need commercial sealant contractors in Selborne?
Every sealant joint is a maintenance item. Its life comes down to movement, UV and weather, how it’s cleaned, how much traffic passes it and what was used in the first place. On a busy commercial site several of those pile up at once, which is why regular inspection pays.
Things that typically lead to an enquiry:
- Hardened, chalky sealant on south-facing or exposed elevations
- A top-up bead over failed sealant, now lifting
- Smeared sealant across finishes from a rushed job
- Expansion joints with the sealant torn out
Sites a few miles apart, such as Southlands Industrial Park and Farringdon Industrial Centre, can share one programme and one point of contact.
Comparing quotes
- What the guarantee covers, and for how long
- Whether old or failed sealant will be cut out, not overlaid
- How joint depth will be controlled
- What site paperwork they can supply
Also near Selborne
Other services in Selborne
Commercial premises in Selborne
Rainfall across the South East, Selborne included, is lower than in many parts of the UK. External joints still need dry faces and the right temperature, and damp or frosty mornings can hold work up. Selborne has at least three named business or industrial parks inside a 3-mile radius. Sites like these see regular refits, with shopfronts, offices and staff areas to seal.
On estates like Southlands Industrial Park, which lies east of Selborne, the office and welfare end of each unit has its own sealant to maintain. Shops and cafés around stations like Alton station, 3.8 miles north of Selborne, trade from early, so work is timed around them.
Selborne is about 4 miles south of Alton, in Hampshire. If you are looking for commercial sealant contractors in Selborne, we can help, as we do across Hampshire. Across Hampshire, 723 places are covered, Selborne among them. Our Portsmouth page has more on work in that area.
If you need commercial sealant contractors in GU34, the process matches everywhere else we work: send details, get a quote, we seal, guaranteed. If your site is on Huckers Lane, Ganders Close and Selborne Road or close by, send details and we’ll quote for sealant joints. We also cover Newton Valence (1 mile west), Empshott (2 miles south-east), Lower Green (3 miles south), Hawkley (3 miles south) and Oakshott (4 miles south). Bigger towns within reach include Basingstoke (13 miles north-west), Fleet (13 miles north), Horndean (14 miles south), Aldershot (13 miles north-east), Alton (4 miles north) and Waterlooville (15 miles south).
Local landmarks in Selborne
We work on buildings around The Jubilee Tap, among other places. Selborne’s nearest station is Alton station, about 3.8 miles north. Other landmarks nearby include The Romany Museum (less than half a mile south-east) and Alton Community Hospital (3.5 miles north-west). For a walk, there’s Selborne Hill and Deadwater Valley.