Essex · England
Sand mastic for sash & case windows in Holland-on-Sea, Essex
Traditional burnt sand mastic around sash and case windows and doors in stone and brick for homes and businesses in Holland-on-Sea and across Essex. Fully insured, ARBOMaster approved and guaranteed for a year.
- Draughts and rain around sash boxes
- Mastic that needs renewing before redecorating
- Cracked mastic round a front door frame
Sand mastic in Holland-on-Sea
Traditional burnt sand mastic blends with stone and brick surrounds. It suits period and listed homes, where modern sealant can look out of place. If you are dealing with mastic round period door frames that has failed and crumbling sand mastic round a window, we can help, whatever the surface.
Many houses in smaller places like Holland-on-Sea have conservatories, garden rooms or patio doors. Their glazing joints and frame seals are as much a part of the job as the windows.
We stand behind the work with a 12-month guarantee, so you are not left on your own once the job is done.

- Location
- Holland-on-Sea (CO15)
- Region
- Essex
- Guarantee
- A year, on every job
- Quotes
- A clear price before any work starts
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Questions from Holland-on-Sea
Do you cover smaller places like Holland-on-Sea?
Yes, smaller places are covered as well as towns. We work across London and the South East. Just mention lanes, gates or anything else about the route when you book.
Can you help a landlord with a rental near Clacton-On-Sea station?
Yes. We work for landlords and agents as well as householders. You can ring 0345 464 0079 or email us with the details for a clear quote.
What do you put in the joint?
Quality sealants from brands including Arbo and Everbuild, chosen to suit the joint. We will tell you what we’re using and why.
What exactly is sand mastic?
A traditional pointing material made from sand and a linseed-oil-based binder for the joint between timber frames and masonry.
Do you remove the old sealant?
Yes. We cut out all the old sealant and clean the joint before resealing.
Will you leave a mess?
Not at all. The area is protected while we work and cleaned up afterwards.
Do you guarantee sand mastic work?
All our work has a one-year guarantee.
Where are you based?
Our base is in Crawley, West Sussex, and we cover South East England, London and all of Scotland.
Why act early in Holland-on-Sea
Filling over old, loose mastic does not last. We remove the loose material first so the new work lasts. Homes in smaller places like Holland-on-Sea can face more weather, and failed outside joints let damp into walls. Inside, a split seal lets water into floors and panels just as it would anywhere.
Doing several joints on one visit usually makes better use of the time than several visits, so it’s worth mentioning everything you’d like done. We will send you a clear quote for the lot.
Why book with us
- Arbo and Everbuild products
- 4.9 on Google from 180+ five-star reviews
- An ARBOMaster approved applicator
- Old sealant always removed completely
See our cost guide and our reviews.
Frames and glazing around Holland-on-Sea
Holland-on-Sea is within about 1 mile of the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. Both are hard on the mastic around older windows and doors, which can dry out and crack sooner where a building faces the weather. Compared with the north and west, the South East gets less rain, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
For landlords with property near Clacton-On-Sea station, any sash windows need sound mastic to keep draughts and rain out. For site and facilities teams at buildings such as Holland Haven Primary School, its window and door frames need their mastic kept sound, just like a home’s.
Holland-on-Sea is about 2 miles east of Clacton-on-Sea, in Essex. Wherever you are in the CO15 postcode area, we cover sand mastic for homes and businesses. Our Essex coverage runs to 644 places, Holland-on-Sea among them. You can also see our page for Chelmsford, roughly 31 miles from Holland-on-Sea.
All of CO15 is covered for sand mastic. If you need sand mastic at a property on York Road, Cliff Road and Nansen Road or anywhere close by, our applicators can take on the job. Nearby, we also carry out sand mastic in Clacton-on-Sea (2 miles west), Bocking's Elm (3 miles west), Pig Street (3 miles north-west), Little Clacton (3 miles north-west) and Thorpe Cross (3 miles north). Within a short drive, we also cover Colchester (14 miles north-west), Harwich (9 miles north), Camulodunum (15 miles west), Greenstead (13 miles north-west), Wivenhoe (11 miles west) and Brightlingsea (7 miles west).
Landmarks near Holland-on-Sea
Around Holland-on-Sea, our work takes us to homes and buildings near Pickers Ditch Meadow, Clacton County High School and The Oakwood Inn, among other places. For rail, the closest station is Clacton-On-Sea station, about 2 miles south-west of the centre. For a walk, there’s Great Holland Pits.
The process
You don’t need to clear the whole room or building before we come, just the space around the work. Everything nearby is protected, and the job takes a few hours per window, depending on the condition of the joints in most cases. In a smaller place like Holland-on-Sea, parking is seldom the issue; lanes, gates and long drives are worth mentioning. 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.
- We pack any deep voids first.
- We apply the mastic by hand and shape it.
- The surface is finished to suit the stone or brick.
Preparing for the visit
- Move anything stored near the joints
- Let us know if you’ve seen damp or leaks
- Let us know about stairs, lifts or work at height
Ask for a quote
For a quote, call 0345 464 0079 or email us with the location and a short description of the problem. We will give you a clear quote before any work starts.
Read more
Should I try it myself first?
If you do try it yourself, take your time over the preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it fails, we can still redo it.
What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is, and the work is guaranteed for a year.
Looking after it afterwards
To keep the joints looking good and working properly:
- Go gently near the mastic when preparing windows
- Check the mastic when you check the paintwork
- Leave the new mastic unpainted
- Check with your local planning authority if your home is listed
Keep gutters and sills clear so water runs away from the surround. Constant wetting wears the mastic faster.
An open joint round the box lets weather through. The longer it’s left, the more the joint opens.
What we’re called out for in Holland-on-Sea
Shallow joints are a common cause. A thin layer does not hold well, which is why we pack deep voids first and get the depth right.
It’s worth asking for a quote if you see:
- Gaps where the frame meets the masonry
- Tired mastic found when preparing windows for paint
- Cracked mastic round a front door frame
- Mastic worn away on windows facing the weather
For an older house near a landmark such as St Bartholomews Church Hall, frames set in older brick or stone need a sealant that suits the wall as well as the frame.
What your quote should include
- What the cure time is
- What product goes in the joint
- What guarantee comes with the work
- Are they insured?
What the job involves on each surface
Sash and case windows
The box of a sash and case window sits in the stone or brick opening. Sand mastic seals the joint round it.
Period and listed homes
Materials matter on listed and conservation-area homes. Like-for-like sand mastic is generally favoured.
Towns and villages near Holland-on-Sea
Also in Holland-on-Sea
How we quote for sand mastic
Every job gets its own quote. This is what makes a difference:
- Any mould that needs treating
- The size of the job
- The number of rooms or windows
- Whether old sealant or filler has to be cut out
The cost depends on the amount of work, how hard the old material is to remove and access to the work. We give a clear quote before work begins.
What to tell us for a quote
To make quoting easier, please include:
- The type of property
- The problem you’ve noticed
- Photos by email, if that is easy
- The rough size of the job
Getting a quote is simple: tell us what needs doing and where, and roughly how big it is. A few photos by email make the job easier to understand, and we will come back to you with a quote.
