West Sussex · England
New Build Mastic in East Marden
New build mastic for East Marden, by sealant specialists with 20+ years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Second-fix sealing on new plots
- Gaps opening as the house dries out and settles
- Untidy sealant flagged on a snagging list
New build mastic for homes and businesses in East Marden
We work in new homes and on new-build sites across East Marden. Whether it’s one en suite or a run of plots, the method is the same: cut out, clean, prime where needed and reseal neatly. We are often asked to deal with leaking shower tray seals in a new home and beads laid onto grit and dust from the build, on bathrooms & en suites, skirting & floors and plot handovers.
For a small place like East Marden, the journey and access are planned in advance, and once on site, the job is the same as anywhere.
There’s a 12-month guarantee on every job, large or small.
- Where
- East Marden (PO18)
- Region
- West Sussex
- Cover
- A year, on every job
- Quote
- A clear quote up front
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026
Looking after it afterwards
After the cure time, these simple habits help:
- Put sealant faults on your snagging list early
- Check bath and shower seals every few months as the house settles
- Act quickly if a seal starts to leak
- Clean sealant with mild detergent, not abrasives
Keep photos of the joints and any snagging correspondence with your builder. It helps if anything else comes up during the warranty period.
Report failed sealant to the builder while you are in the snagging period. After that, putting it right may fall to you, so raise it early.
How the visit works
Good joint work is mostly preparation, and we do not rush it. Joints are cleaned back and dried before anything new goes in. All told, the work takes a few hours in a single home. Somewhere as small as East Marden, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We look at why each joint failed, including any movement.
- We remove the failed sealant and clean the joints.
- Joints are dried and primed where the product calls for it.
- New sealant goes in, with baths filled first so they’re at their heaviest.
- The finished joints are checked and the cure times given.
Getting ready for the visit
- Mention any tricky access
- Mention any parking rules near the property
- Clear items away from the joints we are working on
Ask for a quote
The more we know about the job, the more useful the quote. Tell us where the job is, what’s wrong and how much there is, and email photos if that’s easy.
Related advice
When it is not the sealant
We’d rather tell you now than do work that won’t last, so here’s what sealant cannot put right:
- Leaks from pipes, valves or wastes, which need a plumber
- Baths and trays that move too much for sealant to cope with
- Cracked trays, tiles or worktops
Not sure which it is? You can ring 0345 464 0079 or send us an email and we’ll tell you honestly before you book.
Surfaces we seal
- Show homes
- Skirting & floors
- Windows & doors
- Kitchens
- Plot handovers
- Bathrooms & en suites
Common problems we fix in East Marden
When the heating goes on in the first winter, the house dries fast. Gaps open along skirting, frames and worktops.
If you can see any of these, it’s time to have the joints looked at:
- New-build shower sealant that has already split
- Second-fix sealing on new plots
- Gaps between new skirting and floors
- Internal frame sealant that has split
In and around East Marden, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint.
Questions to ask before booking
- Whether they’re fully insured
- Whether the sealant suits the joint
- Is VAT in the price?
- Whether you can choose the colour
Also near East Marden
Other services in East Marden
Can I do it myself?
Sealing over old silicone is the commonest DIY error. New silicone will not bond to old, so it peels away and traps moisture behind it. Everything old must be removed first.
If you’ve already had a go yourself, that’s fine. We remove it and do the joint properly, so just mention it when you contact us.
Landlord and commercial work in East Marden
Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements.
Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.
Different surfaces, different methods
Plot handovers
Good preparation at handover saves snagging later. Dust from the build is removed first.
Windows and doors
External mastic around new windows and doors is sometimes rushed or missed. It’s resealed with an exterior sealant suited to the frame and wall.
Common questions in East Marden
Can you do new build mastic in East Marden?
Yes, East Marden is within the area we cover. We work across London and the South East. Just phone 0345 464 0079 or drop us an email with a few details of the job, and we’ll give you a clear quote.
Is East Marden within the area you cover?
Yes, we do. Our work covers London and the South East, from towns to the smallest places. Longer journeys are simply planned in advance.
Should I try DIY first?
It depends on the job. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional.
Are you ARBOMaster approved?
Yes. We hold ARBOMaster approved applicator status, and we are fully insured.
How do I get a quote for new build mastic in East Marden?
It depends on the job, so we quote each one individually. To get one, phone 0345 464 0079 or email us with a short description of the job.
Do you guarantee your work?
Yes, always. There’s a 12-month guarantee on every job.
Do you work through snagging lists?
Yes. We often work straight from a snagging list. We agree the sealant items with you before we start.
Can you work on commercial sites?
Yes. We work in offices, washrooms, hotels and other commercial premises, as well as homes. Working times can be discussed when we quote.
What new build mastic looks like in East Marden
Rainfall in the South East is lower than in much of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
For jobs in and around East Marden, choosing the right material for each joint is as important as a tidy finish.
East Marden is about 6 miles north-east of Emsworth, in West Sussex. East Marden gets the same service as everywhere we cover: the old material taken out, joints prepared properly and a 12-month guarantee. Across West Sussex, we cover 371 places, East Marden among them. Our Portsmouth page covers work nearby, about 13 miles away.
We cover every part of the PO18 postcode area for new build mastic. Close by, we work in Compton (2 miles west), Chilgrove (2 miles east), Didling (3 miles north-east), Elsted (3 miles north) and East Harting (3 miles north). We also work in nearby towns such as Bognor Regis (12 miles south-east), Chichester (7 miles south-east), Selsey (14 miles south), Emsworth (6 miles south-west), Portfield (7 miles south-east) and Yapton (13 miles south-east).
Near you in East Marden
A little further out are Museum of Gardening (3.6 miles east). Open spaces near East Marden include Bow Hill and Kingley Vale National Nature Reserve.