West Sussex · England
Sand Mastic in Whitemans Green
Problem with your window and door surrounds in Whitemans Green? We cut out the old, prepare the joints and apply the right sealant, with a one-year guarantee.
- Draughts and rain around sash boxes
- Mastic worn away on windows facing the weather
- Old cement repairs round a window that have failed
How we quote for sand mastic
The quote reflects the job in front of us. We take into account:
- Whether the work is at height
- Whether there’s mould to deal with
- Which sealant suits the joint
- Any working-time requirements on site
What it costs depends on how much there is to do, how hard the old material is to remove and how easy the joints are to reach. You will have a clear quote before any work starts, so you know where you stand.
Asking for a quote
Photos by email are helpful but not essential. Please mention:
- How many joints, rooms or windows are involved
- Access, such as stairs, a lift or height
- A few photos by email, if you can
- What the problem is, such as mould, gaps, leaks or cracking
A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints.
How we handle sand mastic in Whitemans Green
We work across Whitemans Green renewing sand mastic on sash windows and doors. Every joint is cleaned out and filled by hand, finished to suit the masonry. We work on timber door frames, stone surrounds and period & listed homes, and common reasons people get in touch are old cement repairs round a window that have failed and mastic dropping out of the joint.
Outdoor sealant needs dry, clean surfaces, so work on frames around Whitemans Green is planned for dry weather. Let us know about access to all the frames, upstairs ones included.
All of our work is guaranteed for twelve months.
- Location
- Whitemans Green (RH17)
- Wider area
- West Sussex
- Cover
- 12 months on all our work
- Price
- A clear quote up front
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
How it works
Every visit runs the same way: we look at the joints together, mask and protect the surrounding surfaces, do the work and tidy away. It usually takes a few hours per window, depending on the condition of the joints. Somewhere like Whitemans Green needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. We bring what the job needs, so it can be finished in one trip where possible.
- We look at the surrounds with you and agree the joints to renew.
- We remove the old, loose mastic.
- Deep gaps are packed so the mastic sits at the right depth.
- We apply the mastic by hand and shape it.
- The surface is finished to suit the stone or brick.
Before we arrive
- Let us know if you’ve seen damp or leaks
- Where the joints are inside, avoid wetting them before we arrive
- Plan for the work area to be out of bounds to pets and children
Get a quote
Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we’ll talk you through what we’d do. Whenever you are ready, call 0345 464 0079 or drop us an email.
Related advice
What we’re called out for in Whitemans Green
Timber swells and shrinks with the weather. The movement cracks the mastic little by little.
Look out for any of the following:
- Mastic dropping out of the joint
- Draughts and rain around sash boxes
- Gaps round a timber door in stone or brick
- Old cement repairs round a window that have failed
Letting a property close to Haywards Heath station? Then any sash windows need sound mastic to keep draughts and rain out.
Questions to ask before booking
- What happens if they find a problem under the old sealant
- The length of the guarantee
- Whether all the old sealant comes out first
- What the cure time is
Towns and villages near Whitemans Green
Also in Whitemans Green
Keeping the joints in good condition
No joint lasts for ever, but care makes a real difference. Our tips:
- Ask the planning authority about consent for listed or conservation-area homes
- Leave the new mastic unpainted
- Keep sills and gutters clear so water drains away
- Plan mastic work ahead of painting
Check the mastic when you check the paintwork. Small cracks are easier to deal with early.
It’s best to renew mastic before painting the windows. Painting over failed mastic hides the problem for a while.
What the job involves on each surface
Period and listed homes
Sand mastic is the like-for-like choice for many period homes. On listed buildings, check with your planning authority first.
Brick reveals
Gaps between frame and brick let in rain and draughts. Renewing the mastic closes it.
Questions from Whitemans Green
Is Whitemans Green in your area for sand mastic?
Yes, Whitemans Green is within the area we cover. Our work covers London and the South East. Just call 0345 464 0079 or send us an email with a few details of the job, and we’ll give you a clear quote.
Can you help a landlord with a rental near Haywards Heath station?
Yes, we work for landlords and agents. Just call 0345 464 0079 or send us an email and tell us about the property, and we’ll give you a clear price.
Do you guarantee sand mastic work?
Every job comes with our one-year guarantee.
Do I need to be at home?
If the work is inside, we need someone to let us in. Once we have agreed the job, you don’t need to watch us work.
Where do you work from?
We are based in Crawley, West Sussex, and we cover South East England, London and all of Scotland.
Do you take out the old sealant first?
Always. Sealing over the old bead is the commonest cause of early failure, and it’s something we never do.
What’s sand mastic made of?
A traditional pointing material made from sand and a linseed-oil-based binder for the joint between timber frames and masonry.
Is there any odour?
Some sealants have a smell while they cure. Ventilation helps.
Windows and doors in Whitemans Green
Historic houses like Ockenden Manor (about 0.6 miles south) are a reminder that the area around Whitemans Green has older buildings as well as new. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that’s traditional sand mastic. 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.
Schools such as Holy Trinity Church of England Primary School are buildings too, and its window and door frames need their mastic kept sound, just like a home’s. If you live in an older home near Holy Trinity Church, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
Whitemans Green is about 2 miles north-west of Haywards Heath, in West Sussex. Whether you’re in the middle of Whitemans Green or further out, sand mastic is available for homes and businesses alike, from flats and houses to offices and hotels. Our area takes in 371 places across West Sussex, large and small. You can also see our page for Crawley, roughly 7 miles from Whitemans Green.
Here we cover the RH17 postcode area for sand mastic. Sand mastic is available to properties on London Road, Tollgate Lane and Ardingly Road. Neighbouring places we cover for sand mastic include Cuckfield (1 mile south-east), Brook Street (1 mile north), Slough Green (1 mile west), Staplefield (2 miles north-west) and Warninglid (2 miles west). Further out, we also cover Crawley (7 miles north), Horsham (8 miles north-west), Burgess Hill (4 miles south), East Grinstead (10 miles north-east), Shoreham-by-Sea (13 miles south-west) and Lancing (15 miles south-west).
Near you in Whitemans Green
In Whitemans Green, that means homes and buildings near The Rose And Crown Public House, Warden Park School and Warden Park School and the streets around them. The nearest railway station is Haywards Heath station, roughly 1.8 miles south-east of the centre. A little further out are St Francis Hospital (2.7 miles south-east) and Cuckfield Museum (0.5 miles south). Open spaces near Whitemans Green include Blunts Wood and Paiges Meadow.
When it isn’t the sealant
Honest advice matters more to us than a booking, so here’s what sealant can’t fix:
- Planning or listed building consent (your local planning authority decides)
- Decayed frames that need repair
- Masonry that needs repairing
If you are not sure, just call 0345 464 0079 or email us and we’ll give you a straight answer before you book.
Surfaces we seal
- Brick reveals
- Period & listed homes
- Timber door frames
- Tenement windows
- Stone surrounds
- Sash and case windows
Landlord and commercial work in Whitemans Green
In hotels, rooms out of use cost money, so the work can be planned room by room. We have worked in hotels as well as homes and businesses.
Water getting past a failed joint can damage the building, which is a bigger problem in a rented property. Resealing at the right time is simple maintenance that we can handle for you.