Hampshire · England
Commercial sealant contractors in SO21
Commercial sealant, construction mastic and joint sealing across SO21, covering Colden Common, Twyford and Otterbourne, with a fixed quote before we start.
Mastic and sealant across SO21
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
Areas within SO21
- Colden Common
- Twyford
- Otterbourne
- South Wonston
- Sutton Scotney
- Micheldever
- Worthy Down
- Barton Stacey
- Itchen Abbas
- Compton
- Hursley
- Owslebury
- South Down
- Westley
- Easton
- Sparsholt
- Micheldever Station
- Abbots Worthy
- East Stratton
- Egypt
- Martyr Worthy
- Morestead
- Shawford
- Baybridge
- Crawley
- Hunton
- Ladwell
- Lane End
- Nob's Crook
- Northbrook
- Stoke Charity
- Owslebury Bottom
- Temple Valley
- Winchester
- Allbrook
- Highcliffe
- Winnall
- Bar End
What we do in SO21
- Facade and window perimeter sealing
- Mastic sealing for building owners and managing agents
- Commercial washroom and wet-area sealing
- Fire-rated sealing and fire stopping
- Expansion and movement joint sealing
- Construction and new-build mastic
- Industrial and floor joint sealing
- Coloured and colour-matched sealant
- Commercial sealant contractors
- See all services
Tell us what needs doing and your postcode for a fixed quote: call the office on 01277 525 020 or email a schedule or drawings.
How commercial sealant contractors works in SO21
On a commercial site, sealant turns up in more places than people expect: around sanitaryware, along worktops and splashbacks, at window boards, partition heads and floor junctions. Externally it keeps rain out of frame perimeters, panel joints and movement joints. We deal with internal and external sealant joints alike. We work on washrooms and tea points, movement joints in walls and floors and kitchen worktops and splashbacks, and what we are called in for most is greasy, split joints in a kitchen or tea point and frame sealant that has cracked, shrunk or pulled away.
We follow your site rules from the start: signing in, inductions and any permit to work. With the paperwork done, we take the joints in the sequence agreed with you, and each area is checked before we leave it.
- First, details come to us: photos, drawings or a schedule of the areas, or we arrange a site visit.
- The failure is diagnosed and a fixed quote issued for the work agreed.
- 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.
- Each area is inspected, signed off and backed by our 12-month guarantee.
Pricing in SO21
Access often affects the price as much as the sealing: easy-to-reach joints are quicker than those that need equipment to get to. Mention the access as part of your enquiry.
Why clients in SO21 choose us
- Over 20 years of commercial sealing
- CHAS accredited contractor
- Fixed quotes based on photos, drawings or a visit
- Standard and matched colours in many product ranges
Get a fixed quote
Photos, drawings or a schedule of the joints are often enough for a fixed quote. Where a site visit makes more sense, we will arrange one.
Local landmarks in Colden Common
We work on buildings around Colden Common Primary School, Church of the Holy Trinity and Thornden School, among other places. The nearest railway station is Shawford station, about 1.9 miles north. Well-known places in the area include Wolvesey Castle (4.4 miles north) and Eastleigh Museum (2.4 miles south-west). The countryside around Colden Common includes Shawford Down and Twyford Down.
Where commercial joints are in SO21
Across SO21, from Winchester, Allbrook and Highcliffe to the smaller places between, commercial buildings run from high-street shops and offices to hotels, schools and business parks. Because we cover all of it, multi-site occupiers can bring every building under one quote, with colours matched site to site where the brand needs it.
All of Greater London is inside the ULEZ, and much of the South East is within easy reach of the capital, and every job in SO21 starts with access, parking and site rules.
Colden Common: For premises near Shawford station, 1.9 miles to the north of Colden Common, footfall is part of the plan: work is phased so shops and offices keep trading. For a shop at a centre such as Cannons Retail Park (2.7 miles south-west of Colden Common), tidy joints at counters and displays matter as much as the fixtures.
Signs you need commercial sealant contractors
If only one face has lost its grip, that’s an adhesion failure. Typical reasons include rushed preparation, no primer where one was needed, dust or release agents on the surface, or three-sided adhesion. We see it often where joints were sealed in a hurry.
Look out for the following:
- Frame sealant that has cracked, shrunk or pulled away
- A top-up bead over failed sealant, now lifting
- Damp patches where an external joint has failed
- Expansion joints with the sealant torn out
What sets the cost
There’s no standard rate for sealant work, because every site is different. What we take into account:
- Working within restricted access windows
- Travel to remote or island sites
- The product specified
- The site’s rules and procedures
The work involved drives the cost: removing old material, preparing the joints, the product, the access and how the work is phased. Call for a fixed quote and we’ll explain how it’s made up.
Before you send an enquiry
To price the job accurately, we need to understand the site. Send us:
- The postcode of the building
- Specification clauses that apply
- Photos of the joints, close up and from further back
- Access details, including height
If there’s a specification, drawings or a tender package, send it with your enquiry, and we will price against exactly what is specified. For smaller jobs, photographs and a description will do.
Why deal with it now?
On many buildings the mastic was done by whichever trade was on site. Choosing the product, setting the depth and preparing the faces are what a specialist brings. You notice the difference years later, not on the day.
What your quote should include
- Are they CHAS accredited or on Constructionline?
- Who will actually carry out the work
- How long is the guarantee, and what does it include?
- Is depth set with backing rod, or bond-breaker tape in shallow joints?
Maintenance after handover
Problems stay small when the joints are checked regularly. Specifically:
- On pre-2000 buildings, share the asbestos information before work starts
- Log reseals in the O&M or maintenance records
- Keep abrasive pads and scrapers off resealed joints
- Act on the first lifting edges rather than waiting
We stand behind the workmanship with a 12-month guarantee. Keep the handover details with your O&M or maintenance records, and tell us if a joint we sealed gives trouble within that time.
Once sealant fails in a movement joint, grit and debris get in. With nothing soft to close against, the materials either side take the load and start to break up. That turns a sealant job into something bigger.
General trades versus a specialist
Using site staff can make sense for a small touch-up, but larger jobs are different: a specialist brings efficiency, a consistent finish and a 12-month guarantee.
Redoing a failed joint normally costs more than getting it right at the outset, because the whole bead must be removed and the faces cleaned back again. For that reason, many FMs and contractors use a sealant specialist from the outset.
Questions about SO21
Does weather matter for sealant work?
Outside, yes. Sealant needs a dry joint and a temperature within the product’s range, so frost, rain or cold mornings can delay outside work. Inside work is seldom held up.
When can the area be used after sealing?
That comes down to the sealant and the temperature. Some take light use quickly, others need longer to cure, so we’ll confirm the curing time on the day.
Is the old sealant taken out first?
The old bead is stripped out first. After that come cleaning, primer where needed, backing and the new sealant.
Do you hold CHAS accreditation?
Yes. Mastic Doctor is CHAS accredited and a Constructionline member.
How do you keep disruption to occupiers down?
It’s mostly about sequence: areas are phased, access windows agreed and enough washrooms or entrances left in use. Tell us what has to stay open and we’ll plan the job around it.
Can you supply RAMS and insurance details?
We confirm documents at quote stage: RAMS, an insurance certificate and CSCS details are the usual requests. Every applicator holds a CSCS card.
Do you check for asbestos before removing sealant?
We check the asbestos register or survey before any old sealant is disturbed. Managing asbestos is the dutyholder’s responsibility, and we don’t remove asbestos-containing materials.