Hampshire · England

Fox Sand Mastic

Problem with your window and door surrounds in Fox? We remove the old material, prepare the joints and seal them properly, and the work is guaranteed for a year.

  • Cracked mastic round a front door frame
  • Weathered mastic on the most exposed windows
  • Tired mastic found when preparing windows for paint

Sand mastic near Fox

Why it’s worth doing now in Fox

Not every draught comes from the sashes themselves. Open mastic joints round the box can let air in and new mastic seals them. Older cottages and farmhouses around Fox can have timber floors and frames, where water from a failed joint can cause rot if it’s left.

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. The price is agreed before we begin.

Why Fox clients choose us

  • Any old sealant cut out fully, not covered over
  • Rated 4.9 stars on Google
  • Domestic, commercial and hotel work
  • 12-month guarantee on every job

See our cost guide and customer reviews.

About our sand mastic in Fox

On many period windows, sand mastic looks right and suits the building. Newer frames generally get a flexible sealant instead and we’ll explain which is best for yours. We are often asked to deal with weathered mastic on the most exposed windows and old sand mastic that has cracked, crumbled or fallen out, across stone surrounds, period & listed homes and sash and case windows.

Outdoor sealant needs dry, clean surfaces, so work on frames around Fox is planned for dry weather. Tell us about access to every side of the house, including upper-floor windows.

Every job comes with our one-year guarantee.

Location
Fox (SP11)
Wider area
Hampshire
Cover
One year on every job
Price
Quoted before any work starts
Telephone
0345 464 0079
Page updated
26 October 2026
Mr Mastic applicator sealing the top of a white uPVC door frame on a red-brick house

Signs you need sand mastic in Fox

Decorating can disturb tired mastic. Many people find it crumbling when they prepare the windows.

These are the problems we’re asked about most:

  • Cracked mastic round a front door frame
  • Draughty sash windows at the surround
  • Open joints round the window box
  • Old sand mastic that has cracked, crumbled or fallen out

Rented homes near Grateley station change hands often, and older sash windows in a rental need their mastic kept sound to keep the weather out.

Questions to ask before you book

  • What the cure time is
  • What guarantee comes with the work
  • Whether the sealant suits the joint
  • Who does the work, and how experienced they are

Our hiring checklist

DIY versus a professional finish

What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is matched to the joint and its conditions, then guaranteed for a year.

Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and does not move well, and the joint depth matters as much as the finish.

What we do, step by step

Before we leave, we go over the finished joints with you and tell you how long to leave it. The visit itself generally takes a few hours for a single window, longer for several, depending on how much there is to do. Somewhere as small as Fox, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.

  1. We look at the surrounds with you and agree the joints to renew.
  2. We remove the old, loose mastic.
  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. The surface is finished to suit the stone or brick.

How to prepare

  • Plan for the work area to be out of bounds to pets and children
  • Let us know about parking restrictions
  • Let us know about stairs, lifts or work at height

Get a quote

We do not publish a price list, because every job is different. Instead, your job gets its own clear quote. To get started, call 0345 464 0079 or drop us an email.

Get a price

Advice

Aftercare tips

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

  • Look over the window mastic once a year
  • Do not paint over the new mastic
  • Clear gutters so water doesn’t pour onto the windows
  • Ask the planning authority about consent for listed or conservation-area homes

Avoid painting over the new mastic, as traditional guidance advises. Ask us before any decorating around it.

Sound mastic protects the frame. Once it fails, water can sit against the timber and timber that stays wet can rot.

For landlords and businesses

Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements and we will quote.

Hotels need rooms back in use, so we plan the work room by room. We have worked in hotels as well as homes and businesses.

Quotes for sand mastic in Fox

The price is agreed before any work begins. It’s based on:

  • How many rooms, windows or areas are involved
  • Access and height
  • The type of sealant required
  • The number and length of the joints

Combining jobs into one visit is normally more efficient than separate visits. We’ll give you a clear quote for the lot.

Helping us quote

When you call or email, it’s useful to know:

  • Where the property is
  • Photos by email, if that is easy
  • The problem you’ve noticed
  • Whether it’s a home or a business

If you’re in Fox and need sand mastic, call 0345 464 0079 or send us an email. A short description of the job and where it is helps us quote, and you’ll get a clear quote before any work starts.

Windows and doors in Fox

The South East is one of the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.

Schools such as Amport Church of England Primary School are buildings too, and its window and door frames need their mastic kept sound, just like a home’s. For an older house near a landmark such as Church of St Mary, the joint between an old wall and a newer frame is normally the first place rain gets in.

Fox is about 5 miles west of Andover, in Hampshire. Wherever you are in the SP11 postcode area, we can carry out sand mastic at your property. 683 places in Hampshire are on our list, from the larger towns to small villages. We also work in Southampton, about 21 miles from Fox.

Work in SP11 works the same way as everywhere else we cover. Nearby, we also carry out sand mastic in Amport (1 mile north-east), Monxton (1 mile north-east), Abbotts Ann (2 miles east), Kentsboro (2 miles south) and Little Ann (3 miles east). Further out, we also cover Winchester (15 miles south-east), Andover (5 miles east), Romsey (14 miles south), Hyde (14 miles south-east), Tidworth (5 miles north-west) and Weeke (14 miles south-east).

Around Fox

Fox’s nearest station is Grateley station, roughly 2.1 miles south-west. Nearby you will also find Andover War Memorial Hospital (4.2 miles north-east). For a walk, there’s Mill Lake and Anton Lakes.

Map of Fox © OpenStreetMap contributors

Fox questions

Is Fox within the area you cover?

Yes. Fox is within the area we cover, which takes in towns, villages and rural addresses. Our work covers London and the South East. Just mention lanes, gates or anything else about the route when you book.

Can you do sand mastic in Fox?

Yes. Our work covers London and the South East, and Fox is part of that. Just call 0345 464 0079 or drop us an email with a few details of the job, and we will give you a clear price.

Should I check with the council before work on a listed or conservation-area home?

Your local planning authority is the one to ask. They’ll tell you if consent is needed.

Will there be a smell?

There can be a smell while the sealant cures. Ventilation helps.

Can sand mastic be painted?

Sand mastic is normally left unpainted, as guidance on traditional windows advises. Ask us before decorating.

What do you need from me for a quote?

Where the job is, what the problem is and roughly how big it is. If you can, email a few photos.

Will you leave a mess?

Not at all. The area is protected while we work and cleaned up afterwards.

Can new sealant go over the old?

No. Fresh sealant does not stick to old sealant, and anything trapped underneath, including mould and water, stays there. It all has to come out first.

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