Buckinghamshire · England
Sand Mastic in Micklefield
We cover Micklefield for traditional burnt sand mastic around sash and case windows and doors in stone and brick. Old material cut out, joints cleaned and sealed neatly and every job guaranteed for a year.
- Mastic dropping out of the joint
- Gaps where the frame meets the masonry
- Window mastic to renew ahead of painting
Aftercare tips
So the new joints stay in good condition:
- Clear gutters so water does not pour onto the windows
- Find out about consent before window work on a listed home
- Look over the window mastic once a year
- Have rotten timber repaired before new mastic goes in
Keep paint scrapers and sanders off the mastic when redecorating. Hard scraping can loosen it.
Gaps round a sash box let in draughts and rain. The longer it’s left, the more the joint opens.
Sand mastic in Micklefield, done properly
On many period windows, sand mastic looks right and suits the building. Newer frames usually get a flexible sealant instead, and we’ll talk through which suits your home. Typical jobs include mastic worn away on windows facing the weather and a silicone bead on a sash window that spoils the look, across sash and case windows, period & listed homes and brick reveals.
Around Micklefield, conservatories, garden rooms and patio doors are often part of the house. Those joints need the same attention as the main windows, and any older timber or sash windows need a sealant that suits them.
Our work is backed for twelve months, in Micklefield and everywhere else we cover.
- Location
- Micklefield (HP13, HP10, HP11)
- Region
- Buckinghamshire
- Guarantee
- A year, on every job
- Quote
- A clear quote up front
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
How the visit works
We work through the job in order: protection first, then preparation, sealing and a tidy-up. For most jobs that takes a few hours for a single window, longer for several, and the area is left clean. Parking around Micklefield is usually easier than in a town centre, but mention any lanes, gates or long drives. For outside work, side access and the height of the joints help us plan.
- First we agree which joints need doing.
- Old mastic and any loose material are raked out.
- 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
- Keep children and pets away from the work area
- Mention any parking rules near the property
- On commercial sites, let us know about site rules
Ask for a quote
We quote each job on its own. Simply ring 0345 464 0079 or send us an email and describe the job, and pictures are welcome.
Read more
DIY sealant or a professional job?
Some sealant jobs are within reach of a careful DIYer, 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.
What a professional job adds is preparation and the right product. Joints are cleaned back to sound surfaces and dried, and the sealant is chosen for how the joint moves and where it is, and the work is guaranteed for a year.
Why it’s worth doing now in Micklefield
An open joint round the frame lets weather in. Left, water can reach the timber and the wall, so dealing with it now protects both. In a smaller place like Micklefield, wherever a wall is exposed, a failed outside joint is a real source of damp. Indoors, a failed seal lets water into floors and panels as it would anywhere.
Some things make a job bigger or smaller: 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.
What you get with us
- Homes, businesses and hotels
- Rated 4.9 stars on Google
- An ARBOMaster approved applicator
- We never seal over old sealant
What the job involves on each surface
Period and listed homes
A traditional finish suits a period property.
Sash and case windows
Sash windows are where we do most sand mastic work. We renew the mastic round each box.
What we are called out for in Micklefield
Previous repairs in cement or silicone often trap water or crack away. They do not move with the timber and we normally remove them.
People usually contact us after spotting one of these:
- Cracked mastic round a front door frame
- Mastic dropping out of the joint
- Old cement repairs round a window that have failed
- Failed mastic on an exposed elevation
Homes close to St Andrew's Church include some older properties, and the joint between an old wall and a newer frame is normally the first place rain gets in.
Before you book anyone
- What the quote includes, VAT included or not
- How the joint is cleaned and prepared
- Which sealant they’ll use, and why
- How long to leave it before use
Micklefield: your questions answered
Do you work for landlords with property near High Wycombe station?
Yes, we work for landlords and letting agents. Just call 0345 464 0079 or send us an email and tell us about the property, and we’ll give you a clear quote.
Is Micklefield within the area you cover?
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.
Will it make a mess?
No. The area is protected while we work and cleaned up afterwards.
Do the sealants smell?
It depends on the product. Some products have a noticeable smell, others very little.
Do I need permission for sand mastic on a listed building?
Your local planning authority is the one to ask. They’ll tell you if consent is needed for work to your windows.
Can you seal over the old sealant?
No. New silicone will not bond to old silicone, and it traps any mould or water underneath. It all has to come out first.
Will the old sealant be removed?
Yes, every time. New sealant will not bond properly to old, so the joint is cleaned back first.
Do I need to be at home?
We need access to the joints, so we’ll agree that with you when we book. Indoors, that normally means someone at home.
Landlord and commercial work in Micklefield
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.
Letting agents often deal with us directly. Tell us the address, the job and how access works and we will give you a quote.
What sand mastic looks like in Micklefield
With historic houses such as Hughenden Manor (about 2.3 miles north-west) nearby, there’s older building stock in the area around Micklefield as well as newer homes. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic. The South East is one of the drier parts of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
Rented homes near High Wycombe station change hands often, and cracked sand mastic around sash windows lets in the draughts tenants complain about. Managing a site like Kings Wood School and Nursery? Then larger buildings have plenty of frames, and the mastic around each one ages.
Micklefield is about 1 mile east of High Wycombe, in Buckinghamshire. We carry out sand mastic for householders, landlords and businesses in Micklefield, as part of our work across Buckinghamshire. We cover 263 towns and villages across Buckinghamshire. Reading is on our list too, about 17 miles from Micklefield.
Jobs for sand mastic in HP13, HP10 and HP11 is quoted and booked the same way as anywhere else. That includes homes and businesses on Cock Lane, Colne Road and Baring Road and the roads around them. If you are just outside Micklefield, we cover Totteridge (1 mile west), Tylers Green (1 mile north-east), Wycombe Marsh (1 mile south), Terriers (1 mile north-west) and Hazlemere (1 mile north). We also work in nearby towns such as Aylesbury (14 miles north), Chesham (7 miles north-east), Marlow (5 miles south-west), Amersham (6 miles north-east), Beaconsfield (3 miles south-east) and Chalfont St Peter (7 miles east).
Local landmarks in Micklefield
We work in homes and buildings around The Dolphin Eye pub and Highcrest Academy and the streets around them. For rail, the closest station is High Wycombe station, about 1.3 miles west of the centre. Well-known places in the area include Eden (1.7 miles west) and Hospital of St John the Baptist (1.2 miles west). The countryside around Micklefield includes Gomm's Wood.