Kent · England
Colliers Green New Build Mastic
Plot mastic for developers and snagging failed sealant in new homes for homes and businesses in Colliers Green and across Kent. ARBOMaster approved applicators, fully insured, with a one-year guarantee.
- Cracked sealant around new window and door frames
- Smeared, uneven beads picked up at snagging
- Beads laid onto grit and dust from the build
New build mastic for homes and businesses in Colliers Green
Developers send us the plot schedule and we work through it. We seal bathrooms, kitchens, windows, doors and skirting so plots are ready to hand over with a sealant suited to each area. Typical jobs include shower seals failing in the first year or two and internal frame sealant that has split, across windows & doors, skirting & floors and plot handovers.
In a village or hamlet like Colliers Green, new homes are more likely to be a barn conversion or a handful of houses than a big estate. Each still needs its sealant and floor joints finished properly.
Whatever the size of the job, you get the same 12-month guarantee in Colliers Green and across Kent.
- Location
- Colliers Green (TN17)
- Wider area
- Kent
- Guarantee
- One year on every job
- Quote
- Quoted before any work starts
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
Signs you need new build mastic in Colliers Green
If plaster or screed was still damp when it was sealed, the bond suffers. Site programmes do not always leave time for joints to dry before the sealant goes on.
Most people get in touch when they notice one of these:
- Smeared, uneven beads picked up at snagging
- Internal frame sealant that has split
- Sealant work across a run of new homes
- Sealant that never bonded to the surface
If you’ve bought a new home near Marden station, the sealant around baths, showers and frames is worth checking in the first year or two.
Comparing quotes
- Whether you can choose the colour
- What the quote includes, VAT included or not
- How long to leave it before use
- What happens if the job turns out different
For landlords and businesses
Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.
We regularly work with letting and managing agents. Send the address, what’s needed and the access arrangements.
What happens if it’s left?
The builder is generally the first port of call while the snagging or warranty period runs. If it’s slow, or the same joint keeps failing, a proper reseal from a specialist is the next step. Older cottages and farmhouses around Colliers Green can have timber floors and frames, and water through a failed joint can rot timber if it’s left.
There are no prices on our website, because each job is priced on what it involves. For a quick quote, please phone 0345 464 0079 or send us an email and we’ll talk you through it.
Why choose Mr Mastic in Colliers Green
- Domestic, commercial and hotel work
- More than 20 years in sealant work
- White, clear, grey or another colour, product permitting
- An ARBOMaster approved applicator
Colliers Green: your questions answered
Will you come out to Colliers Green?
Yes, we do. We work across London and the South East, and smaller places are part of that. Longer journeys are simply planned in advance.
Is Colliers Green in your area for new build mastic?
Yes, Colliers Green is within the area we cover. We work across London and the South East. Just call 0345 464 0079 or drop us an email with a few details of the job, and we will give you a clear price.
Is it worth resealing while the house is still settling?
It depends on whether water is getting through. A leaking shower or bath seal should be redone right away, but cosmetic gaps can wait for movement to slow.
What should I tell you?
A short description and the location, plus pictures if you have them. We will ask anything else we need to know.
Will it make a mess?
Not at all. The area is protected while we work and cleaned up afterwards.
Will the old sealant be removed?
Yes. Sealing over old sealant is the main reason resealing fails early, so we never do it.
How long does new build mastic take?
As a guide, most jobs take a few hours in a single home. Bigger jobs take longer, and we will say how long yours will take.
Do I have to be there?
If the work is inside, we need someone to let us in. After that, you can carry on with your day.
How to look after the new joints
So the new joints stay in good condition:
- Clean sealant with mild detergent, not abrasives
- Resist patching a failed seal with a tube from the DIY shop
- Open a window or run the fan after bathing
- Put sealant faults on your snagging list early
Leave the sealant for the cure time we give you before showering or bathing. Most silicones need around a day.
A failed seal in a new home lets water into joists, plasterboard and ceilings. Early resealing keeps the job small and protects the rest of the house.
What new build mastic looks like in Colliers Green
Rainfall in the South East is lower than in much of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
In and around Colliers Green, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint.
Colliers Green is about 7 miles south-east of Paddock Wood, in Kent. Homes, rented property, offices and hotels in Colliers Green is covered for new build mastic. The work is guaranteed for a year. Colliers Green is one of 922 places in Kent where we work. Our Crawley page covers work nearby.
Here we cover the TN17 postcode area for new build mastic. Close by, we work in Flishinghurst (1 mile south), Horden (1 mile north), Wilsley Green (2 miles south-east), Wilsley Pound (2 miles south-east) and Cranbrook Common (2 miles east). Within a short drive, we also cover Maidstone (10 miles north), Ashford (15 miles east), Royal Tunbridge Wells (11 miles west), Tonbridge (12 miles north-west), Kings Hill (11 miles north-west) and Foley Park (11 miles north).
Landmarks near Colliers Green
Around Colliers Green, our work takes us to homes and buildings near High Weald Academy and The Gill and the streets around them. The closest station to Colliers Green is Marden station, about 3.9 miles north of the centre. Other landmarks nearby include Sissinghurst Castle (3 miles east) and Benenden Hospital (5.1 miles south-east).
How we quote for new build mastic
For a quick quote, just ask. The main things that affect it are:
- Which sealant suits the joint
- Whether old sealant or filler has to be cut out
- The size of the job
- How easy the joints are to reach
The cost reflects the work involved, not a rough estimate. That is why we ask a few questions first.
What we need to know
A few details help us give you an accurate quote. When you ask for a quote, tell us:
- The address or postcode of the job
- The problem you’ve noticed
- Whether it’s a home or a business
- Pictures of the joints, sent by email
Need a quote? Please ring 0345 464 0079 or drop us an email with a few details. You’ll know what we plan to do, and what it will cost, before any work begins.
How it works
Every visit runs the same way: we look at the joints together, protect the area around them, carry out the job and clear up. Most jobs take a few hours for most snagging lists, longer for a run of plots. Somewhere like Colliers Green needs a little journey planning: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.
- We start by going through the snagging items or plot schedule with you.
- The failed sealant is removed completely, with no layer left behind.
- We clean out the dust and grit left from the build.
- Primer goes on where the surface and product need it, then the new sealant.
- We tool every joint neatly and tell you when each area can be used.
Getting ready for the visit
- Tell us about any water getting in
- Mention any tricky access
- Tell us about any previous sealing or DIY attempts
How to get a quote
We quote each job on its own. Simply ring 0345 464 0079 or drop us an email and describe the job.
Read more
Nearby places to Colliers Green
What else we do in Colliers Green
DIY sealant or a professional job?
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.