Construction and new-build mastic in Newnham, Kent
Commercial sealant work in Newnham for contractors, FMs and building owners: mastic packages for new-build and refurbishment projects, quoted at a fixed price.
- Old sealant on a refurbishment that needs stripping before new work
- Sealant knocked or painted over by other trades
- A mastic package split between trades with no clear owner
Construction mastic in Newnham
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
What affects the price in Newnham
Quotes vary with the job. Expect it to depend on:
- The product specified
- Whether the work must be split into stages
- Site requirements such as inductions and permits
- Removal of failed or old sealant
What a job costs comes down to the quantity of joints, how much old material needs removing and the access. Call for a fixed quote once you have the details.
Sending details for a quote
The more we know, the firmer the quote. Helpful details to send:
- When you need the work done
- Anything awkward about access or site hours
- Any specification or named product
- Asbestos survey details if the building is older
Need a figure for a tender or a budget? We will quote against your scope and drawings you can plan around. If you have questions first, call the office on 01277 525 020 or email us.
How we handle construction mastic in Newnham
Most of the packages we price run well beyond frames: external door and window perimeters, internal decorators’ caulk where specified, sanitary joints in bathrooms and washrooms, kitchen worktops and splashbacks, and snagging before handover. Splitting those between trades often leaves gaps in responsibility. If you’re dealing with caulk cracking where joints are moving more than expected and external joints sealed in damp or cold conditions that are now failing, we can put it right. Whether you call it commercial sealant work, mastic application or joint sealing, the work in Newnham is the same: failed joints cut out, faces prepared and the right sealant laid to the right depth.
Conversions of older rural buildings near smaller places such as Newnham bring stone, flint, brick and timber up against new glazing. Those joints need a sealant that suits an uneven, sometimes porous surface, and often a colour chosen for the building.
We stand by our work with a 12-month guarantee. That covers our preparation and application, and we come back if anything isn’t right.
- Location
- Newnham (ME9)
- Region
- Kent
- Cover
- 12 months on every job
- Quotes
- A fixed quote before we start
- Call
- 01277 525 020
- Last updated
- 3 November 2026
Nearby places to Newnham
More services for Newnham
How a job runs
Where the site stays busy, the work is phased so only one area is out of use at a time. Each area is protected, prepared and sealed, then handed back before the next one starts. For work around Newnham, we aim to finish in one visit, so we ask for photographs and rough sizes first. Then the right materials arrive with us.
- We walk the site or review drawings to understand the package.
- You receive a fixed quote covering scope, products and sequence.
- Site paperwork is confirmed and our CSCS-carded applicators are inducted.
- Sealing follows the programme as areas are released.
- Problems we find, such as oversized gaps, are raised straight away.
- The package is closed out, snags cleared and backed by our 12-month guarantee.
Preparing the site
- Flag any permit to work we will need
- Send your site hours and access windows
- Point out parking and an unloading spot
Ask for a quote
We quote a fixed sum against the scope you give us, so the cost is agreed before work starts. To start the process, ring 01277 525 020 or email us.
Advice
Looking after the joints
Problems stay small when the joints are checked regularly. In particular:
- Record the products used in the O&M file
- Plan external elevations with the weather in mind
- Protect sealed areas from following trades
- Get the mastic subcontractor involved early in the programme
At handover, keep the product details with the O&M information. That helps the building owner maintain the joints later, and tells you what to reseal with. Tell us what records you need and we will confirm with the quote.
Frames with gaps too wide for sealant need sorting before the mastic goes on. Sealant stretched over an oversized gap won’t last. We raise them during our first walk of the area.
FAQs: Newnham
Is a smaller place like Newnham outside your area?
No. Places such as Newnham are covered as much as the big towns. We work across Greater London and the South East. Where we can, we group nearby jobs to make the most of each trip.
Can the mastic package for our job in Newnham follow the site programme?
Yes, we work to the programme and the sequence the site sets. Any paperwork you need, from RAMS to our insurance certificate and CSCS details, is confirmed with the quote.
Can you clear a mastic snag list before handover?
Yes. We clear snags by redoing joints rather than patching them.
Is the mastic package guaranteed?
It’s backed by our 12-month guarantee, covering how we sealed. Keeping other trades off finished joints prevents most problems.
Can you handle several sites?
Yes. A group of buildings can go on one quote, with one point of contact across South East England, Greater London and Scotland.
Are you insured?
Yes. We’re fully insured, including public liability cover.
How do you deal with asbestos in old sealant?
Asbestos is possible in some older mastics, particularly in buildings from before 2000. We check the asbestos register before cutting out old sealant in an older building, and work stops until any suspect material has been tested. We don’t remove asbestos-containing materials.
Leave it or put it right?
Getting the mastic contractor involved early pays off. Early involvement means gaps, products and access are sorted before the programme bites, which avoids last-minute problems. Called in at the end, the same issues surface during handover. For buildings around smaller places like Newnham, water damage can go unnoticed for longer, especially where a building isn’t used daily, so a failed joint can leak for a while before anyone sees it. Resealing early avoids that.
Pricing mastic packages depends on quantities, condition and access. Ask us for a fixed quote.
What you get with us
- Health and safety: CHAS accredited
- CSCS-carded applicators
- Constructionline member
- Colour agreed before work starts
See how commercial sealant jobs are priced or how we’re accredited.
When to bring in a specialist
For most general trades, sealant is a sideline. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint.
Certain joints really need a specialist: for instance fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. A poor seal in places like these tends to cost more to put right later.
Mastic packages on Newnham sites
Central London is about 41 miles from Newnham. Construction around the commuter belt mixes station-side flats with refurbished offices and units, and each scheme needs its mastic sealed to programme. Newnham is in the South East, one of the UK’s drier regions. Even so, frost and condensation on steel and glass are common on winter mornings, so the external programme keeps a little slack.
For contractors at a school such as Eastling Primary School, sealing has to be finished before term starts.
Newnham is about 4 miles south-west of Faversham, in Kent. Any commercial site in Newnham is covered. Across Kent, 931 places are covered, including Newnham. For work in that direction, see our London page.
We take on mastic packages across the ME9 postcode area, whatever the building. Among the streets we cover are The Street, Sharsted Hill and Newnham Lane. Sites close to Newnham are covered too, including Doddington (1 mile west), Wichling (2 miles west), Bluetown (2 miles west), Hollybushes (3 miles west) and Payden Street (3 miles south-west). A short drive away, we cover Maidstone (12 miles west), Ashford (10 miles south), Canterbury (12 miles east), Sittingbourne (5 miles north-west), Whitstable (11 miles north-east) and Faversham (4 miles north-east).
Near you in Newnham
We work on buildings around The George Inn and Doddington Place Gardens. The closest station to Newnham is Teynham station, about 3.4 miles north. Well-known places in the area include Newnham Castle (under half a mile north-east).
When to call us in Newnham
A joint without backing rod or bond-breaker often fails early. Fixed to three faces, the sealant rips the first time the joint opens so we set the depth properly before sealing.
It’s worth sending us details if you spot any of the following:
- Frame perimeters left unsealed or poorly sealed
- Cracks opening in caulked internal joints
- A long mastic snag list close to completion
- Different trades sealing to different standards
Historic houses such as Belmont House and Gardens, 2.2 miles to the south-east of Newnham, are a reminder of the older buildings in the wider area, where sealing against old stone, brick or timber needs compatible products.
Before you book anyone
- What level of public liability insurance do they hold?
- Will CSCS-carded applicators be on site?
- Will RAMS and insurance details be available?
- Whether old or failed sealant will be cut out, not overlaid