Surrey · England
New Build Mastic in Whitewood
Problem with your new-build sealant joints in Whitewood? We cut out the old, prepare the joints and apply the right sealant, and the work is guaranteed for a year.
- Skirting joints opening in the first winter
- Gaps opening as the house dries out and settles
- Sealant work across a run of new homes
Looking after it afterwards
Looking after new joints is easy:
- Avoid scourers and strong chemicals on sealant
- Open a window or run the fan after bathing
- Act quickly if a seal starts to leak
- Avoid running a DIY bead over the old one
Follow the cure time we give you before the area gets wet. Silicone is usually left for about a day before water reaches them.
A failed seal in a new home lets water into joists, plasterboard and ceilings. Catching it early keeps the fix to the sealant and protects the rest of the house.
New build mastic for homes and businesses in Whitewood
We carry out plot mastic and second-fix sealing for builders, and snagging reseals for new-home owners. In both, preparation makes the difference. We work on windows & doors, skirting & floors and show homes, and people most often call us about gaps opening as the house dries out and settles and internal frame sealant that has split.
Around Whitewood, older homes often have timber floors that move through the year, so skirting and threshold joints need a flexible sealant rather than a rigid filler.
You get a one-year guarantee, the same in Whitewood as everywhere else we work.

- Where
- Whitewood (RH9)
- Region
- Surrey
- Guarantee
- 12 months on all our work
- Quote
- A clear price before we start
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Should I try it myself first?
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.
If you do try it yourself, take your time over the preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it does not work out, we can still put it right.
Surface by surface
Skirting and floors
Wet-area floor joints need a flexible seal. We seal them with a sealant suited to wet areas.
Kitchens
Worktop, upstand and sink joints in new kitchens often get a hurried bead. We take it out and reseal neatly, colour-matched where it shows.
Leave it or put it right?
Running a new bead over the builder’s sealant might look tidy for a few weeks, but it won’t bond to the old layer. A lasting seal starts with removing the old one completely. In a small place like Whitewood, homes can be exposed to wind and rain, which finds any gap, and older walls, once damp, take a long time to dry.
What you pay reflects the work, not a rough estimate. That is why we ask about the job first.
Why us?
- Anti-fungal sanitary silicone in wet areas
- Homes, businesses and hotels
- Approved under the ARBOMaster scheme
- A sealant colour to suit the surroundings
What sealant work cannot fix
Before booking, it’s worth knowing the limits:
- A tray or bath that isn’t properly supported, until it’s fixed
- Settlement cracks that need a surveyor
- Broken tiles or a split tray
If in doubt, call 0345 464 0079 or email us and we’ll say what we think before booking.
Where we work in Whitewood
- Skirting & floors
- Windows & doors
- Plot handovers
- Bathrooms & en suites
- Kitchens
- Show homes
New build mastic in Whitewood: local notes
London and the South East are among the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
In and around Whitewood, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint.
Whitewood is about 4 miles east of Horley, in Surrey. Homes, rented property, offices and hotels in Whitewood can book us for new build mastic, old or new, large or small. The work is guaranteed for a year. Whitewood is one of 395 places in Surrey we cover for new build mastic. Our Crawley page covers work nearby (7 miles or so).
Work in RH9 is quoted and booked the same way as anywhere else. New build mastic is available to properties on Whitewood Lane and Byers Lane. We also cover the places around Whitewood: Horne (1 mile south-west), Blindley Heath (1 mile north-east), Newchapel (2 miles south-east), Lingfield Common (2 miles east) and Lingfield (3 miles east). Within a short drive, we also cover Epsom (13 miles north-west), Horley (4 miles west), Redhill (5 miles north-west), Ewell (14 miles north-west), Reigate (6 miles north-west) and Caterham (7 miles north).
Near you in Whitewood
Locally, jobs take us to homes and businesses close to The Jolly Farmer pub. For rail, the closest station is Godstone station, roughly 2.2 miles north-east. Nearby you will also find East Surrey Hospital (4.5 miles north-west) and Effingham Park Motor Museum (3.4 miles south). For a walk, there’s Hedgecourt Lake and Bay Pond.
Whitewood: your questions answered
Do you cover Whitewood for new build mastic?
Yes. Our work covers London and the South East, and Whitewood is part of that. Just phone 0345 464 0079 or drop us an email with a few details of the job, and we will send you a clear quote.
I let a flat near Godstone station. Can you help?
Yes. We work for letting agents and landlords as well as homeowners. Just phone 0345 464 0079 or email us with the address and what needs doing, and we’ll send you a clear quote.
Where is Mr Mastic based?
We’re a Crawley-based firm, with over 20 years’ experience. Our area covers South East England, London and Scotland.
When is the best time to reseal in a new build?
If the seal has failed and water is getting in, do it now. Hairline cosmetic gaps can wait until the house has settled.
Is there a guarantee?
Yes. Every job comes with our 12-month guarantee.
How long before the joint can be used?
Most sealants are touch-dry well before they’re fully cured. We’ll tell you how long to leave the joint before we leave.
Will it make a mess?
Tidy work is part of the job. Nearby surfaces are protected, and we clear up when we’re done.
Do the sealants smell?
Some sealants have a smell while they cure. Ventilation helps.
Common problems we fix in Whitewood
Sealant applied onto damp surfaces doesn’t bond well. Site programmes don’t always leave time for joints to dry.
Most people get in touch after spotting one of these:
- Gaps between new skirting and floors
- Second-fix sealing on new plots
- Gaps opening as the house dries out and settles
- Leaking shower tray seals in a new home
For new homes near Godstone station, it’s worth checking the sealant early, while snags are still fresh.
Comparing quotes
- How the joint is cleaned and prepared
- Is VAT in the price?
- Is the old sealant removed completely?
- Whether the sealant suits the joint
How it works
When we arrive, we start by going over the job with you. We protect the surfaces around the joints before work begins. The work usually takes a few hours in a single home. Somewhere like Whitewood needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. Everything for the job comes with us, so a second trip is avoided where possible.
- First, the list of joints is agreed from your snagging sheet or plot schedule.
- The failed sealant is removed completely.
- Joints are vacuumed and cleaned of building dust.
- We prime where needed and apply a sealant suited to each joint.
- We tool every joint neatly and tell you when each area can be used.
Before we arrive
- Let us know about parking restrictions
- Tell us about access, such as stairs, a lift or high-level joints
- For business premises, tell us about site rules or sign-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 will explain how we’d tackle it. Whenever you are ready, phone 0345 464 0079 or drop us an email.
