South East England and London

Sand Mastic in Buckinghamshire

From the largest town to the smallest village in Buckinghamshire, we can help with sand mastic. A clear quote before we start, and a one-year guarantee.

Sand Mastic in Buckinghamshire

Sand mastic across Buckinghamshire: what to expect

For a listed home or one in a conservation area, ask your local planning authority if consent is needed before window work. Sand mastic is often favoured as a like-for-like material. Typical jobs include open joints round the window box and wind and rain getting in round a sash window, across brick reveals, period & listed homes and tenement windows.

Good joint work is mostly preparation, and we don’t rush it. Joints are cleaned back and dried before anything new goes in. All told, the work takes anything from a few hours to a full day, depending on how many windows.

  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. We dress the finish so it sits neatly against the masonry.

What affects the price in Buckinghamshire

A failed joint rarely gets cheaper to fix by waiting, as water and mould keep getting in. If you are unsure, phone 0345 464 0079 or send us an email for an honest opinion and a quote.

What you get with us

  • Sanitary silicone with an anti-fungal additive in wet areas
  • An ARBOMaster approved applicator
  • Domestic, commercial and hotel work
  • Over 20 years’ experience

Getting a quote

For sand mastic in Buckinghamshire, ring 0345 464 0079 or email us. Tell us what the problem is and where, and we’ll agree the price before any work begins.

Local landmarks in Aylesbury

We work in homes and buildings around Buckinghamshire UTC, Stocklake Park Community School and The Derby Arms Public House and the streets around them. Also close by are Bearbrook Combined School (0.5 miles west) and Church of St Mary (under half a mile north). Aylesbury has its own railway station: Aylesbury station. Well-known places in the area include Roald Dahl Children's Gallery (under half a mile east) and Royal Buckinghamshire Hospital (less than half a mile north). Not far away are Coombe Hill.

Sand mastic across Buckinghamshire: local notes

Across Buckinghamshire, from Aylesbury, High Wycombe and Chesham outwards, frames range from older timber to modern uPVC and aluminium. Each needs the right sealant, and every joint wears out eventually.

Most of the South East has hard water, so limescale builds up on sealant, grout and fittings. For any job in Buckinghamshire, joints are cleaned back properly before anything new goes in.

Aylesbury: Managing a site like Buckinghamshire UTC? Then larger buildings have plenty of frames, and the mastic around each one ages. Rented homes near Aylesbury station change hands often, and any sash windows need sound mastic to keep draughts and rain out.

Landlord and commercial work in Buckinghamshire

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

We work for landlords and agents as well as homeowners. Resealing between tenancies keeps a property looking cared for.

Common problems we fix in Buckinghamshire

Rain on the window surround works into any crack and pushes it out. Exposed elevations usually fail first.

Any of these means the joints need attention:

  • Gaps round a timber door in stone or brick
  • Modern sealant on a period surround
  • Wind and rain getting in round a sash window
  • Cement or filler used on old window joints that has cracked

How we quote for sand mastic

There’s no set price list. The quote depends on:

  • Whether old sealant or filler has to be cut out
  • Whether there’s mould to deal with
  • The number and length of the joints
  • Working hours on commercial sites

Combining jobs into one visit generally makes better use of the time than several visits, so tell us about everything that needs sealing. You’ll get one clear quote for the whole job.

Helping us quote

Before you ask for a quote, have a think about:

  • Any access issues, like height or stairs
  • The type of property
  • Where the property is
  • Roughly how big the job is

Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we’ll explain how we’d tackle it. When it suits you, ring 0345 464 0079 or email us.

Keeping the joints in good condition

After the cure time, these simple habits help:

  • Check the mastic when you check the paintwork
  • Check with your local planning authority if your home is listed
  • Avoid patching sand mastic with silicone
  • Clear gutters so water doesn’t pour onto the windows

Do not run silicone over the new mastic. If you see a crack, ask us to take a look rather than patching it.

Once mastic starts to crumble, rain gets in. That water can reach the timber frame and the wall, so renewing it early is worth it.

How the job changes by surface

Brick reveals

Brick reveals round timber windows are often pointed with sand mastic. It suits older brickwork.

Sash and case windows

A sash window’s box frame sits in the masonry opening. Sand mastic seals the joint round it.

Buckinghamshire: your questions answered

Can I choose the sealant colour?

Generally, yes. White, clear and grey are common, and other colours are available for many products, and we will agree it with you first.

Is it possible to paint over sand mastic?

The usual advice is to leave sand mastic unpainted. If you’re redecorating the window, ask us first and we’ll advise.

Can tenants book the work?

Yes, though it’s best to check with your landlord first. Landlords are often happy for the work to be arranged.

Where are you based?

Mr Mastic is based in Crawley. We cover Buckinghamshire.

Do I need permission for sand mastic on a listed building?

Checking first is sensible. Ask your local planning authority whether consent is needed for listed or conservation-area properties.

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.

Will it make a mess?

We keep the work tidy. We protect what’s around the joints, and we clear up when we’re done.

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