
Construction Mastic in Upham
Mastic packages for new-build and refurbishment projects in Upham. CHAS accredited and fully insured, with a 12-month guarantee.
- Window and door perimeters that won’t pass inspection
- Old sealant on a refurbishment that needs stripping before new work
- Oversized or tapered gaps around new frames
Need construction mastic in Upham?
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
Construction mastic in Upham: the local picture
Upham lies roughly 61 miles out from central London. Building activity in the commuter belt runs from new flats near stations to business park refurbishments, and each scheme needs its mastic sealed to programme. Rainfall across the South East, Upham included, is lower than in many parts of the UK. Even so, frost and condensation on steel and glass are common on winter mornings, so we time external mastic for dry faces and agree it with the site team.
School extensions, at buildings such as Upham Church of England Aided Primary School, normally run to the summer holidays, mastic included. Extensions at sites like Moorgreen Hospital, 5.4 miles south-west of Upham, typically sit beside working departments, and the mastic follows strict access rules. Units on estates such as Deer Park Farm Industrial Estate, 2.7 miles to the south-west of Upham, tend to be reclad and refitted as tenants change, and each job leaves cladding and perimeter joints to seal.
Upham is about 5 miles east of Eastleigh, in Hampshire. Any commercial site in Upham is covered, for single jobs and planned programmes alike. Our Hampshire coverage takes in 723 places, from busy centres to rural villages. We also cover Southampton, some 8 miles away.
We take on mastic packages across the SO32 postcode area. Streets here include Church Street, Shoe Lane and Widlers Lane. If your building is just outside Upham, we cover Ashton (1 mile south-east), Lower Upham (1 mile south-west), Wintershill (2 miles south-west), Durley Street (2 miles south-west) and Bishop's Waltham (2 miles south-east). Further afield, our area takes in Winchester (6 miles north-west), Gosport (13 miles south), Havant (14 miles south-east), Eastleigh (5 miles west), Fareham (9 miles south) and Horndean (11 miles south-east).
Near you in Upham
Locally, jobs take us to sites close to Brushmakers Arms and the streets around them. Upham’s nearest station is Hedge End station, roughly 4.4 miles south-west. Other landmarks nearby include Moorgreen Hospital (5.4 miles south-west) and Bishop's Waltham Museum (2.1 miles south). Not far away are Bishops Waltham Branch LNR and Beacon Hill.
How we handle construction mastic in Upham
The specification and the programme set the job. Where the specification names a product, we use it, and if an alternative is proposed, it goes to you for acceptance first. Backing, primer and depth follow what the sealant maker sets out so the detail on the drawing is what ends up on site. If you are dealing with early adhesion failures on new external joints and inconsistent sealant finishes from plot to plot, we can put it right, on floor and skirting junctions, cladding and panel joints and sanitary and kitchen joints alike. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, the work in Upham is the same: the right product in a properly prepared joint.
Sites around smaller places like Upham can be a fair drive from suppliers, so we come with everything the package needs. Drawings, photos and the programme let us give a fixed quote.
Our 12-month guarantee is about workmanship, not wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, so we are clear about what is covered before work starts.
- Location
- Upham (SO32)
- Region
- Hampshire
- Cover
- A 12-month guarantee
- Quote
- Fixed quote, scope in writing
- Phone
- 01277 525 020
- Page updated
- 3 November 2026

Towns and villages near Upham
More services for Upham
Building owners, agents and FMs in Upham
Whether you’re a managing agent, a property factor or an owner’s representative: send the details, accept a fixed quote, and we carry out and guarantee the work. Keys, access and contacts can be agreed in advance.
We work for building owners and managing agents on sealant work across single buildings or whole portfolios around Upham. One quote can cover more than one site, so there’s one set of paperwork to deal with.
Upham: questions and answers
Is a hospital such as Moorgreen Hospital somewhere you can work?
Yes, hospitals are one of the sectors we cover. Each area is agreed with the ward or department and the estates team in advance.
Is Deer Park Farm Industrial Estate, near Upham, within your area?
Yes. We cover Upham and the area around it, including industrial estates, business parks and retail parks such as Deer Park Farm Industrial Estate. A few photographs and the unit address let us price the work.
Do you use the sealant named in the specification?
We work to the specification and the manufacturer’s installation guidance. Primers, backing and joint depth follow what the manufacturer sets out.
Do you do internal caulk as well as external mastic?
External and internal frame perimeters, caulking where it’s specified, sanitary silicone, kitchen joints and snagging before handover. The scope follows your specification.
Is any job too small?
Whatever the size, the process is the same: send details, get a fixed quote, we seal, guaranteed.
Do you have public liability insurance?
Yes. Our insurance certificate can be sent alongside the quote.
How long do sealant joints last?
There isn’t a single answer, because life depends on how much the joint moves, how exposed it is and how it’s cleaned and used. Regular inspection is the best way to catch problems early.
After the work
Your facilities or cleaning team can help the joints last. Pass these on to them:
- Ask for joint and product checks before the package is urgent
- Brief the final clean team to avoid blades near sealant
- Keep product details for future maintenance
- Release areas for mastic once other trades have finished in them
Our 12-month guarantee covers the workmanship from sign-off. Damage by others isn’t a workmanship fault which is why protection after sealing matters.
Sealing outside when the joint is damp or too cold leads to poor adhesion. Holding off until conditions suit avoids callbacks, so we plan external work with that in mind.
Leave it or put it right?
Sealing over damaged or contaminated new joints might save a day. Sealant can’t grip a contaminated or existing bead. We cut out and redo the joint properly. For buildings around smaller places like Upham, water damage can go unnoticed for longer, especially where a building isn’t used daily, which gives a failed joint time to do damage. Resealing early avoids that.
There’s no price list, since every building and every scope is different. For a fixed figure, call for a quote and we will price your job on its own details.
Why appoint us
- One number for every site we cover
- 12-month guarantee on workmanship
- CHAS accredited
- Coloured sealants to suit the setting, where available
Take a look at how commercial sealant jobs are priced and our accreditations and insurance.
From enquiry to sign-off
In a busy building, we agree a sequence with your contact so the disruption stays in one area at once. Each area is protected, prepared and sealed, then handed back before we move to the next. For a building around Upham, tell us how to find it and who will meet us. Send that with the details and we’ll confirm the plan with the quote.
- First we look at the scope on site or from drawings.
- A fixed quote sets out scope, products and phasing.
- Paperwork is agreed and applicators are inducted on site.
- Sealing follows the programme as areas are released.
- Any frame gaps or issues outside our scope are flagged to the site team.
- The package is closed out, snags cleared and backed by our 12-month guarantee.
Getting the site ready
- Confirm the product named in the specification
- For older buildings, check the asbestos register before work
- Warn occupants and staff about the work
Get a fixed quote
A good quote starts with a clear picture: what’s there, how much of it, how we reach it and what’s specified. Share whatever details you have and we will fill any gaps with a visit.
Related advice
What the job involves on each surface
Kitchens and utility areas
Kitchen joints are sealed after fitting and before final clean. A kitchen-suitable sealant is used and hygienic or food-safe grades wherever food contact is possible.
Fire-rated sealant where specified
Where the specification calls for fire-rated or intumescent sealant around service penetrations or linear gaps, we install it to the manufacturer’s tested detail. The design and sign-off of fire stopping sit with the designer, principal designer or fire engineer.
Honest limits
Our job is the joint, not everything around it. On its own, sealant can’t deal with:
- Rework caused by others damaging completed areas
- Frames fitted out of tolerance
- Glazing units that are cracked or misted
If you are not sure, just call the office on 01277 525 020 or use the quote form and we’ll give you a straight answer before you book.
Joints and surfaces we work on
- Floor and skirting junctions
- Internal decorators’ caulk
- Cladding and panel joints
- Window and door perimeters
- Brick and block movement joints
- Sanitary and kitchen joints