Construction and new-build mastic in Charlton, Oxfordshire
Mastic packages for new-build and refurbishment projects in Charlton and across Oxfordshire. CHAS accredited and fully insured, with a 12-month guarantee.
- Missed perimeter joints on a new elevation
- Caulk cracking where joints are moving more than expected
- Old sealant on a refurbishment that needs stripping before new work
Construction mastic for Charlton sites
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
Site staff or a sealant specialist?
There’s also the paperwork. Many sites expect CSCS cards, RAMS and proof of insurance, and our CSCS-carded applicators are used to working under those rules.
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 where general trades tend to cut corners.
Construction mastic in Charlton
Most of the packages we price run well beyond frames: frame perimeters inside and out, caulking to trims and boards where the specification calls for it, sanitary silicone, kitchens, and the final snag list. Splitting those between trades often leaves gaps in responsibility. Site teams most often ask us about perimeter gaps outside the sealant’s range and a long mastic snag list close to completion, on cladding and panel joints, sanitary and kitchen joints and brick and block movement joints. For commercial sealant work in Charlton, you deal with one contact from quote to sign-off, for single jobs and planned programmes alike.
In a smaller place such as Charlton, construction tends to mean small housing schemes, conversions and extensions to community buildings. Even a small site needs its perimeter and facade joints sized, backed and sealed properly.
Our 12-month guarantee is about workmanship, not wear and tear. Sealant wears with time, and movement, weather, cleaning and use decide how fast, so we are clear about what is covered before work starts.
- Where
- Charlton (OX12)
- Region
- Oxfordshire
- Cover
- 12 months on every job
- Quotes
- Quoted before any work starts
- Phone
- 01277 525 020
- Last updated
- 3 November 2026
Towns and villages near Charlton
What else we do in Charlton
Building and refurbishing in Charlton
Charlton sits in one of the drier corners of the country, the South East. Winter mornings still bring frost and condensation on frames and panels, so the external programme keeps a little slack. Charlton lies roughly 57 miles out from central London. Commuter-belt towns tend to see a steady flow of new flats, offices and commercial schemes, which keeps mastic packages in demand.
Projects at schools like Charlton Primary School work to term dates, so mastic is programmed tightly. New units and refits on sites such as Elms Farm Business Park (0.6 miles north-west of Charlton) need their panel and perimeter joints sealed to the specification.
Charlton is about 7 miles west of Didcot, in Oxfordshire. Anywhere in OX12, the process is the same: send details, get a fixed quote, we seal, and the work is guaranteed. Across Oxfordshire, 423 places are covered, Charlton among them. Sites around Oxford have their own page, about 13 miles away.
If you need construction mastic in OX12, the process matches everywhere else we work: send details, get a quote, we seal, guaranteed. For a building on Grove Road, Little Lane and Ormond Road or nearby, send details and we will quote for mastic packages. Main routes into Charlton include the A417, useful when we plan access and materials. Nearby places we also cover include Wantage (1 mile west), East Challow (2 miles west), Letcombe Regis (2 miles south-west), West Challow (2 miles west) and Childrey (3 miles west). Bigger towns within reach include Oxford (13 miles north-east), Didcot (7 miles east), Abingdon-on-Thames (8 miles north-east), Witney (14 miles north), Carterton (14 miles north-west) and Faringdon (8 miles north-west).
Landmarks near Charlton
Locally, jobs take us to sites close to Lord Nelson pub, King Alfred's and St Mary's School. Other landmarks nearby include Williams F1 Grand Prix Collection (1.8 miles north). Open spaces near Charlton include Letcombe Valley and Chain Hill.
From enquiry to sign-off
Where the site stays busy, we agree a sequence with your contact so the disruption stays in one area at once. Each section is protected, cleaned back and sealed, then reopened once the sealant allows before we move to the next. Work in places the size of Charlton is planned as a single visit where we can. Photos with rough sizes let us arrive with everything needed.
- Drawings, specification and programme come to us.
- Quantities are measured and a fixed price returned.
- We agree with the site team which areas come first.
- Each area is sealed when it’s released.
- Every joint is cleaned, set to depth and sealed with the specified product.
- After snagging, the work is handed over under our 12-month guarantee.
What we need from you
- Let us know about inductions and permits
- Send asbestos survey details if the building is pre-2000
- Tell us your opening times and when work is allowed
Request a quote
Send us photographs, drawings or a joint schedule and a fixed quote comes back to you. Where a site visit makes more sense, we’ll arrange one.
Read more
Cost factors for mastic packages
Quotes vary with the job. Expect it to depend on:
- How accessible the joints are
- Site requirements such as inductions and permits
- How much existing material needs removing
- Specialist products, such as fire-rated or hygienic sealants
Access can matter as much as the joints themselves: easy-to-reach joints are quicker than those that need equipment to get to. Tell us how the joints are reached and call for a quote.
Before you send an enquiry
There’s no need for a formal survey. A few details are enough to get going:
- Asbestos survey details if the building is older
- Rough lengths or quantities, or drawings if you have them
- The type of building and who uses it
- Your programme or deadline
Quotes are fixed against the scope you send, so you know the figure before anyone is on site. To start the process, call 01277 525 020 or email the details over.
Why act early in Charlton
On a refurbishment, there’s a choice between resealing existing frames and replacing them. If the frame is in good order, cutting out and resealing the perimeter can be all it needs, which is a much smaller cost. If the frame is life-expired, we will tell you. A failed joint lets water into a building whatever its size. Early resealing avoids the damage that follows a leak.
The work involved drives the cost: stripping out, preparation, sealing, access and phasing. Call for a quote and we’ll explain how it’s made up.
Why appoint us
- Commercial sealant work since 2005
- CSCS-carded applicators
- One phone line for London, the South East and Scotland
- CHAS accredited contractor
Take a look at what affects the cost or our accreditations and insurance.
After the work
Cleaning and maintenance staff play a part too. Share these points with them:
- Get the mastic subcontractor involved early in the programme
- Put any product change through the designer first
- Keep finished joints away from paint, plaster and scrapers
- Don’t schedule sealing before decorators and flooring are done
After we’ve sealed an area, it helps to keep other trades from damaging the joints. New beads should be left to cure before cleaning or decorating nearby.
Leaving the mastic snag list to the end squeezes everyone. A planned close-out through each area as it completes keeps the list short.
FAQs: Charlton
Can you take on a job at a hospital such as Wantage Community Hospital?
Yes. Healthcare sites are among the places we work. Each area is agreed with the ward or department and the estates team in advance.
Is Charlton too far out for you?
No. Small places get the same service as large ones. Our area covers London and the South East counties. Send photos and a list of what needs doing, and we will plan the job to need as few trips as possible.
Do you take on multi-site work?
Yes. Several buildings can share a single quote, with one point of contact.
When can you be on site?
Mention the site’s hours and access windows in your enquiry, and we’ll plan around them. Our office runs Monday to Friday, 8am until 5pm.
How do you work with the site programme?
We follow the trades through the building. Each plot, floor or elevation is sealed when it’s ready, and we will raise anything that holds the work up.
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.
Can you send site paperwork?
Tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we will confirm with the quote.
Do you need construction mastic in Charlton?
Shrinkage and settlement in the first months put new joints under strain. Plaster, screeds, timber and blockwork all shrink as they lose moisture. Choosing the right product for each joint reduces that.
Typical triggers for a call:
- Sanitary sealant damaged by following trades
- New external sealant already peeling away
- Perimeter gaps outside the sealant’s range
- Mastic snags holding up handover
Hotel extensions and refits, at places such as Blue Boar Hotel (0.5 miles south-west of Charlton), normally run between busy periods, so the sealing is squeezed into short windows.
Comparing quotes
- Their approach to joint depth and backing
- Can the work be phased to keep areas open?
- Do they follow the manufacturer’s priming guidance?
- Their public liability cover