West Sussex · England
New-build mastic & snagging in Cootham, West Sussex
Plot mastic for developers and snagging failed sealant in new homes for homeowners, landlords and businesses in Cootham. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.
- Kitchen sealant that has pulled off the wall
- New-build shower sealant that has already split
- Untidy sealant flagged on a snagging list
DIY versus a professional finish
What a professional job adds is preparation and the right product. Joints are cleaned back to sound surfaces and dried, and the sealant is chosen for how the joint moves and where it is, then guaranteed for a year.
If you’ve already had a go yourself, that is fine. We cut it out and start again, so tell us about it when you ask for a quote.
About our new build mastic in Cootham
Developers send us the plot schedule and we work through it. Bathrooms, en suites, kitchens, frames and skirting are sealed ready for handover using the right product for each joint. Common call-outs are for sealant applied over dusty or wet surfaces and plot mastic for developers ahead of handover, across windows & doors, plot handovers and bathrooms & en suites.
Somewhere as small as Cootham, new homes tend to be conversions, self-builds or a few houses rather than an estate. Each still needs its sealant and floor joints finished properly.
Big or small, it’s backed by our 12-month guarantee.
- Where
- Cootham (RH20)
- Wider area
- West Sussex
- Guarantee
- 12 months on all our work
- Price
- A clear quote up front
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
When it is not the sealant
We’ll always be straight with you, so here’s what sealant cannot fix:
- Plumbing faults behind the sealant
- Disputes or warranty claims with your builder
- Baths and trays that move too much for sealant to cope with
If you are not sure, just ring 0345 464 0079 or send us an email and we’ll give you a straight answer.
What we seal
- Skirting & floors
- Plot handovers
- Bathrooms & en suites
- Show homes
- Kitchens
- Windows & doors
Places near Cootham
More services for Cootham
For landlords and businesses
In hotels, rooms out of use cost money, so the work can be planned room by room around your bookings where we can. We have worked in hotels as well as homes and businesses.
Housing providers, facilities teams and property managers book us too in Cootham and across West Sussex. We can quote a run of properties together, and we are fully insured.
What affects the quote in Cootham
There’s no set price list, because jobs vary so much. What we look at:
- The amount of work
- When we can work, for business premises
- The old material and how stubborn it is
- Any mould that needs treating
We don’t show prices on the website, because the cost depends so much on the job itself. For a quick quote, please call 0345 464 0079 or send us an email and we will talk you through it.
Asking for a quote
When you contact us, it’s useful to know:
- The rough size of the job
- Any previous sealing or DIY work
- Whether it’s a home or a business
- A few photos by email, if you can
We quote each job on its own. Just call 0345 464 0079 or email us with the details.
New build mastic in Cootham: local notes
Compared with the north and west, the South East gets less rain, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
Around Cootham, as everywhere, new build mastic is only as good as the preparation behind it.
Cootham is about 7 miles north-west of Worthing, in West Sussex. Wherever you are in the RH20 postcode area, our applicators can take on new build mastic. Across West Sussex, we cover 371 places, Cootham among them. Our Brighton page covers work nearby.
Jobs for new build mastic in RH20 works the same way as everywhere else we cover. If you need new build mastic at a property on Warren Croft, Pulborough Road and The Crescent or anywhere close by, our applicators can take on the job. Close by, we work in Storrington (1 mile east), Wiggonholt (2 miles north-west), Sullington (2 miles south-east), West Chiltington Common (2 miles north) and Abingworth (2 miles north-east). Further out, we also cover Horsham (12 miles north-east), Worthing (7 miles south-east), Bognor Regis (13 miles south-west), Chichester (15 miles west), Burgess Hill (15 miles east) and Littlehampton (8 miles south).
Near you in Cootham
We work in homes and buildings around Rydon Community College, Parham Park and The Crown Inn and the streets around them. For rail, the closest station is Pulborough station, roughly 3.3 miles north-west of the centre. A little further out are The Storrington And District Museum (1 mile east) and Amberley Castle (3.2 miles west). Open spaces near Cootham include Chanctonbury Hill and Amberley Wildbrooks RSPB Reserve.
Cootham questions
Do you cover Cootham for new build mastic?
Yes, Cootham is within the area we cover. Our work covers London and the South East. Just call 0345 464 0079 or email us with a few details of the job.
I let a flat near Pulborough station. Can you help?
Yes, rental work is part of what we do. You can call 0345 464 0079 or send us an email with the address and a few details, and we’ll give you a fixed price before any work starts.
Where do you work from?
Mr Mastic is based in Crawley. We cover Cootham and the rest of West Sussex.
Do you use white or clear sealant?
It depends on the joint: white or clear for most sanitary joints, colours for worktops, floors and frames. We’ll agree it with you first.
Why has my new-build shower seal failed already?
A new house dries and settles for a year or two, and sealant is often applied quickly onto dusty surfaces. Either can make it fail early.
Can you work on commercial sites?
Yes. Commercial and hotel work is a large part of what we do, as well as homes. We can talk about working times when we quote.
Is the work guaranteed?
Yes, for a year. If anything is not right with the work within the year, let us know and we will sort it.
Do the sealants smell?
Possibly a little. Any smell clears as the sealant cures.
Common problems we fix in Cootham
Later trades and the final clean can damage fresh sealant. A bead disturbed before it has cured may never seal properly and it shows once the home is in use.
Signs it’s time to call us include:
- Sealant that never bonded to the surface
- Gaps between new skirting and floors
- Untidy sealant flagged on a snagging list
- Frame joints opening as the plaster dries
For new homes near Pulborough station, it’s worth checking the sealant early, while snags are still fresh.
Before you book anyone
- Whether they’re fully insured
- What happens if the job turns out different
- Whether VAT is included
- Is the old sealant removed completely?
The process
On the day, there’s very little for you to do. Point us to the joints and we will get on with it. The work itself takes a few hours in a single home from start to finish. In a small place like Cootham, access is normally the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- First we work through your snagging list or plot schedule with you.
- Failed or untidy sealant is cut out completely.
- We clean off dust from the build and prime the surfaces where the product needs it.
- We apply a sealant that suits each joint and tool it to a neat finish.
- We check every joint and tell you how long each needs to cure.
Preparing for the visit
- Tell us about access, such as stairs, a lift or high-level joints
- Let us know about earlier repairs to the joints
- Tell us about any water getting in
How to get a quote
It all starts with a short chat. Describe the problem, the location and the size of the job, and we’ll talk you through what we’d do. When it suits you, phone 0345 464 0079 or drop us an email.
Read more
Why deal with it now?
The builder is normally 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 Cootham can have timber floors and frames, where water from a failed joint can cause rot if it’s left.
Homes and businesses are quoted the same way: the amount of work, the access and the products needed, plus any working-time requirements on site. Ask us for a quote and we will explain what it covers.
Why us?
- Every job guaranteed for a year
- Rated 4.9 stars on Google
- Trusted Arbo and Everbuild sealants
- We agree the colour with you first
Read what affects the cost or our reviews.