Kent · England

Sand mastic for sash & case windows in Pratling Street, Kent

Sand mastic for Pratling Street and the surrounding area: careful preparation, the right product and tidy work. Ask us for a quick quote.

  • Open joints round the window box
  • Cracked mastic round a front door frame
  • Weathered mastic on the most exposed windows

Sand mastic near Pratling Street

Can I do it myself?

The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is, then guaranteed for a year.

A careful DIYer can reseal a simple joint, 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.

Sand mastic in Pratling Street, done properly

On many period windows, sand mastic looks right and suits the building. On modern frames we’d normally use a flexible sealant, and we will talk through which suits your home. If you’re dealing with window mastic to renew ahead of painting and cracked mastic round a front door frame, we can put it right, on timber door frames, stone surrounds and brick reveals alike.

Somewhere as small as Pratling Street, older homes often have timber frames set in stone or brickwork. Older buildings like these don’t always suit modern silicone, so the sealant has to be chosen to suit the building.

The work is guaranteed for twelve months. If there’s a problem with our work within the year, let us know and we’ll sort it.

Where
Pratling Street (ME20)
Wider area
Kent
Guarantee
One year on every job
Quotes
A clear quote up front
Telephone
0345 464 0079
Last updated
26 October 2026
Applicator reaching up to seal an external door frame on a sunny day

Questions from Pratling Street

Do you cover smaller places like Pratling Street?

Yes, smaller places are covered as well as towns. Our work covers London and the South East. Just mention lanes, gates or anything else about the route when you book.

Do you cover Pratling Street for sand mastic?

Yes. We work across London and the South East, and Pratling Street is part of that. Just ring 0345 464 0079 or drop us an email with a few details of the job, and we will send you a clear quote.

Do the sealants smell?

Possibly a little. It fades as the sealant cures.

Should I try DIY first?

Some simple jobs can be done by a careful DIYer. Most DIY failures come from sealing over old material, wet joints or too much sealant.

What do you put in the joint?

It depends on the joint: anti-fungal sanitary silicone in wet areas, and other sealants where joints move or face the weather. Brands we use include Arbo and Everbuild.

Can I choose the sealant colour?

Yes. White, clear and grey are common, and other colours are available for many products, and we agree the colour with you before we start.

Where is Mr Mastic based?

Our base is in Crawley, West Sussex, and we cover South East England, London and all of Scotland.

Can new sealant go over the old?

No. Fresh sealant doesn’t stick to old sealant, and it traps any mould or water underneath. We remove it all first.

What we can’t put right

We will always be straight with you, so here’s what sealant can’t fix:

  • Decisions on consent for listed homes
  • Timber that has rotted
  • Damaged stone surrounds

If you are not sure, just ring 0345 464 0079 or send us an email and we’ll give you a straight answer before you book.

What we seal

  • Sash and case windows
  • Timber door frames
  • Period & listed homes
  • Brick reveals
  • Tenement windows
  • Stone surrounds

Do you need sand mastic in Pratling Street?

Some old mastic was never deep enough. A thin layer does not hold well so we make sure the new mastic is the right thickness.

Common reasons people contact us include:

  • Wind and rain getting in round a sash window
  • Patchy fillers round a sash window
  • Failed mastic on an exposed elevation
  • Mastic that needs renewing before redecorating

Managing a site like St Peter's Church of England Primary School? Then its window and door frames need their mastic kept sound, just like a home’s.

What to look for in a quote

  • What happens if the job turns out different
  • Are they insured?
  • What guarantee comes with the work
  • Whether the sealant suits the joint

Our hiring checklist

What we do, step by step

Once we are on site, we compare the joints with what we discussed. If anything is different, we explain it before carrying on. Most jobs then take a few hours for a single window, longer for several. For a village or hamlet like Pratling Street, the journey is planned in advance: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.

  1. We look at the surrounds with you and agree the joints to renew.
  2. Old mastic and any loose material are raked out.
  3. Deep gaps are packed so the mastic sits at the right depth.
  4. The sand mastic is mixed and pressed into the joint by hand.
  5. We dress the finish so it sits neatly against the masonry.

Before we arrive

  • Mention any parking rules near the property
  • Where the joints are inside, avoid wetting them before we arrive
  • Move anything stored near the joints

Get a quote

There’s no standard price list. Instead, your job gets its own clear quote. To arrange one, ring 0345 464 0079 or send us an email.

Get a quick quote

Advice

What affects the quote in Pratling Street

We quote each job individually. This is what makes a difference:

  • How much old sealant there is and how hard it is to remove
  • Access and height
  • Whether there’s mould to deal with
  • The product the joint needs

We do not show prices on the website, because each job is priced on what it involves. Call for a quick quote and we’ll talk you through it.

What we need to know

A few details help us give you an accurate quote. When you get in contact, it helps to mention:

  • The type of property
  • The address or postcode of the job
  • How many joints, rooms or windows are involved
  • Pictures of the joints, sent by email

Getting a quote is simple: tell us what needs doing and where, and roughly how big it is. Photos by email help us understand the job.

Why act early in Pratling Street

New sash windows are a major, costly change and on a listed home, consent may be needed. Where the frames are in good order, new mastic seals the surround. Around Pratling Street, older homes often have timber in their floors and frames, and water through a failed joint can rot timber if it’s left.

A few things move the cost up or down: the old material and how easily it comes out, any mould to treat, and whether the work is at height. We take all of that into account in your quote.

Why Pratling Street customers choose us

  • ARBOMaster approved applicator
  • Full insurance on every job
  • Over 20 years’ experience
  • Experience in homes, commercial sites and hotels

See how sealant jobs are priced and our reviews.

What the job involves on each surface

Brick reveals

Sand mastic is also used where timber frames meet brick. It gives a traditional finish.

Sash and case windows

On a sash window, the mastic joint shows on the outside, so a neat, even finish matters.

What sand mastic looks like in Pratling Street

Historic houses like Starkey Castle (about 4.3 miles north) are a reminder that the area around Pratling Street has older buildings as well as new. Where a home is older, 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.

Letting a property close to Aylesford station? Then any sash windows need sound mastic to keep draughts and rain out. In the older streets around Methodist Church Including Sunday School, the joint between an old wall and a newer frame is usually the first place rain gets in.

Pratling Street is about 3 miles north-west of Maidstone, in Kent. We carry out sand mastic for householders, landlords and businesses in Pratling Street, as part of our work across Kent. 922 places in Kent are on our list, from the larger towns to small villages. Our London page covers work nearby, about 29 miles away.

Postcode districts we cover here for sand mastic: ME20. Sand mastic is available to properties on Old Mill Lane, Pratling Street and St Michaels Close and the roads around them. We also cover the places around Pratling Street: Forstal (1 mile south-west), Eccles (1 mile north-west), Burham (2 miles north-west), New Hythe (2 miles west) and Larkfield (2 miles west). Larger places within reach include Maidstone (3 miles south-east), Sittingbourne (11 miles east), Dartford (15 miles north-west), Sevenoaks (14 miles west), Royal Tunbridge Wells (15 miles south-west) and Gravesend (10 miles north-west).

Around Pratling Street

Typical jobs here are in homes near Aylesford School, The Bush pub and Tyland Barn and the streets around them. The nearest railway station is Aylesford station, roughly 1.4 miles west of the centre. A little further out are Fremlin Walk (2.4 miles south-east) and Allington Castle (1.1 miles south-east). The countryside around Pratling Street includes Burham Down and Boxley Hills.

Map of Pratling Street © OpenStreetMap contributors
20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job