Hampshire · England

Sand mastic for sash & case windows in Bidden, Hampshire

Specialist sand mastic for Bidden: careful preparation, the right product and tidy work. Ask us for a quick quote.

  • Wind and rain getting in round a sash window
  • Modern sealant on a period surround
  • Gaps round a timber door in stone or brick

Sand mastic near Bidden

Do you need sand mastic in Bidden?

Scraping and sanding before painting can loosen old mastic. Many people find it crumbling when they prepare the windows.

These are the problems we’re asked about most:

  • Modern sealant on a period surround
  • Old sand mastic that has cracked, crumbled or fallen out
  • Mastic worn away on windows facing the weather
  • Mastic round period door frames that has failed

Managing a site like Robert May's School? Then the mastic around its windows and doors needs looking after like any other building’s.

Comparing quotes

  • Who does the work, and how experienced they are
  • Whether all the old sealant comes out first
  • What insurance they hold
  • What happens if the job turns out different

How to choose a mastic man

Sand mastic in Bidden, done properly

Across Bidden, we renew sand mastic around sash and case windows. Every joint is cleaned out and filled by hand, finished to suit the masonry. We work on period & listed homes, sash and case windows and tenement windows, and people most often call us about weathered mastic on the most exposed windows and mastic dropping out of the joint.

In a village or hamlet like Bidden, older cottages and farmhouses often have timber windows set in stone or brick. Older buildings like these do not always suit modern silicone, so the sealant has to be chosen to suit the building.

You’re covered for a year from the day we finish. If anything isn’t right with it, call 0345 464 0079 or send us an email.

Applicator reaching up to seal an external door frame on a sunny day
Where
Bidden (RG25)
Wider area
Hampshire
Cover
A year, on every job
Quote
A clear price before any work starts
Phone
0345 464 0079
Updated
26 October 2026

DIY versus a professional finish

If you are set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it does not work out, we can still put it right.

Some jobs are best left to a professional: work at height, external movement joints, fire-rated sealant and large areas call for the right materials, safe access and experience.

Honest limits

We will not take on work that won’t last, so here’s what sealant can’t put right:

  • Rotten sashes, sills or window boxes (a joiner’s job)
  • Sash cords, weights and draught-proofing of the sashes
  • Broken panes

If you’re not sure, just call 0345 464 0079 or drop us an email and we will give you a straight answer.

Where we work in Bidden

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

Landlord and commercial work in Bidden

Whether it’s one flat or a portfolio, the work is the same standard: the old material taken out, careful preparation and a 12-month guarantee.

We regularly work with letting and managing agents. Tell us the address, the job and how access works and we’ll give you a quote.

What sand mastic looks like in Bidden

The South East is one of the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.

If you live in an older home near Church of St Mary, frames set in older brick or stone need a sealant that suits the wall as well as the frame. Rented homes near Hook station change hands often, and older sash windows in a rental need their mastic kept sound to keep the weather out.

Bidden is about 4 miles south of Hook, in Hampshire. Every kind of property in Bidden can book us for sand mastic, old or new, large or small. Every job comes with our 12-month guarantee. Across Hampshire, we cover 683 places, Bidden among them. You can also see our page for Reading, roughly 15 miles from Bidden.

Every address in RG25 is within our area for sand mastic, from the main roads to the quietest streets. Local streets include Bidden Road, Elder Dell and Meadowside, all of which we cover. Other places close to Bidden include Little Hoddington (1 mile west), South Warnborough (1 mile south-east), Long Sutton (2 miles east), Greywell (2 miles north-east) and Up Nately (2 miles north). We also work in nearby towns such as Basingstoke (5 miles north-west), Farnborough (11 miles north-east), Fleet (7 miles north-east), Aldershot (10 miles east), Alton (6 miles south) and Yateley (10 miles north-east).

Around Bidden

Around Bidden, our work takes us to homes and buildings near Hoddington Arms Public House, among other places. The nearest railway station is Hook station, roughly 3.6 miles north. Other landmarks nearby include Gliding Heritage Centre (3.4 miles south-west) and Odiham Castle (2.5 miles north-east). Green spaces nearby include The Mill Field and Holybourne Hill.

Map of Bidden © OpenStreetMap contributors

Looking after it afterwards

No joint lasts for ever, but care makes a real difference. Our tips:

  • Avoid patching sand mastic with silicone
  • Check with your local planning authority if your home is listed
  • Keep sills and gutters clear so water drains away
  • Check the mastic when you check the paintwork

Keep gutters and sills clear so water runs away from the surround. Water sitting against the mastic shortens its life.

Good mastic helps keep the frame dry. Failed mastic lets water reach the timber and timber that stays wet can rot.

What happens on the day

Good joint work is mostly preparation, so that’s where we spend the time. Joints are cleaned back and dried before anything new goes in. In total, it usually takes a few hours per window, depending on the condition of the joints. Somewhere as small as Bidden, access is often the only tricky part. For outside work, also let us know about exposed walls and any outbuildings involved.

  1. We check each window surround and the condition of the joint.
  2. The joint is raked out and cleaned.
  3. Large voids are packed out.
  4. New sand mastic is applied and shaped by hand.
  5. We finish the mastic to a tidy line.

Getting ready for the visit

  • On commercial sites, let us know about site rules
  • Try not to wet indoor joints just before the visit
  • Let us know about earlier repairs to the joints

Getting a quote

For a quick quote, get us on the phone, or email us if that’s easier. Tell us about the joints that need doing and we’ll explain what’s involved and send you a clear quote.

Ask for a quote

Read more

What affects the quote in Bidden

The price is agreed before any work begins. It takes into account:

  • Access and height
  • When we can work, for business premises
  • The size of the job
  • The type of sealant required

Instead of a standard rate, we look at what your job involves: how many joints, what’s in them now and how we reach them. You will know the price before we begin.

Asking for a quote

Photos by email are helpful but not essential. Please mention:

  • If someone has resealed it before
  • What’s wrong with the joints now
  • Any access issues, like height or stairs
  • Where the job is, and your postcode

We quote each job on its own, so start by telling us what you need. Just ring 0345 464 0079 or email us with the details.

Bidden: your questions answered

Do you cover smaller places like Bidden?

Yes, smaller places are covered as well as towns. Our work covers London and the South East. Let us know about access, parking and anything unusual about getting there when you book.

Can you do sand mastic in Bidden?

Yes. We work across London and the South East, and Bidden is part of that. You can phone 0345 464 0079 or email us and let us know what needs doing.

Can you replace silicone on a period window with sand mastic?

Usually, yes. With the silicone removed and the joint cleaned, sand mastic is applied by hand.

Can I add another job to the visit?

Of course. Combining jobs makes good use of the visit.

Is the work guaranteed?

All our work has a one-year guarantee, and we are fully insured.

Can you seal over the old sealant?

No, and we never do. It may look fine at first, but the new bead soon lifts. The old sealant has to come out completely.

Do you work for letting agents?

Yes, often. Several properties can go on one quote, and between tenancies is a good time for the work.

How long will you be here?

Most jobs take a few hours for a single window, longer for several, including preparation and clearing up. Your quote will say how long we expect yours to take.

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job