Essex · England
External & façade joints in Marden Ash, Essex
Sealing brickwork movement joints, render, cladding and façade joints in Marden Ash, with a one-year guarantee on every job. Ask us for a quote.
- Water getting into walls through failed joints
- Hard, crazed mastic that has stopped moving
- Cracked joints where brick meets render or frames
Why act early in Marden Ash
Mortar or ordinary filler might look like a quick way to close an open joint, but it stops the joint moving. The wall then cracks somewhere else. The correct repair is a flexible sealant with the right backing. In a small place like Marden Ash, homes can be exposed to wind and rain, which finds any gap, and damp in older walls is slow to dry out.
Instead of a standard rate, we look at what your job involves: the amount of work, the old material and the access. You will know the price before we begin.
Why choose Mr Mastic in Marden Ash
- You choose the colour before work begins
- We are fully insured
- An ARBOMaster approved applicator
- A choice of colours where the product allows
See our cost guide or what customers say.
How we handle external mastic in Marden Ash
Short cuts in external joints show up within a season or two. Overfilled joints, missing backing rod and sealant laid over old sealant all tend to fail early. We strip the joint back and start again. If you have weathered mastic that no longer stretches and brick movement joints where the sealant has split, we can put it right, on render & cladding joints, concrete & block and joints between brick and frames alike.
Outside joints can only be sealed when they’re dry, so work in Marden Ash is booked around the forecast. Tell us about access to all sides of the building, including outbuildings and garages.
There’s a 12-month guarantee on every job, large or small.
- Location
- Marden Ash (CM5)
- Wider area
- Essex
- Guarantee
- One year on every job
- Quote
- Quoted before any work starts
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
Nearby places to Marden Ash
Also in Marden Ash
What affects the quote in Marden Ash
Jobs vary more than people expect. The main factors:
- How many rooms, windows or areas are involved
- Working hours on commercial sites
- The type of sealant required
- Whether there’s mould to deal with
Homes and businesses are quoted the same way: the amount of work, the access and the products needed. Call for a quick quote and we will explain what it covers.
What to tell us for a quote
There’s no need for technical detail. Just tell us:
- Pictures of the joints, sent by email
- What’s wrong with the joints now
- Whether it has been sealed before
- Roughly how big the job is
It all starts with a short chat. Tell us what’s wrong, where it is and how much there is. Whenever you are ready, phone 0345 464 0079 or drop us an email.
What we are called out for in Marden Ash
Some movement joints have been pointed up with mortar, often by someone who didn’t know what it was for. The joint cannot move, so the wall cracks somewhere else instead.
Any of these means the joints need attention:
- Weathered mastic that no longer stretches
- Sealant that has lost its bond to the brick or render
- Damp patches traced to an open external joint
- Brick movement joints where the sealant has split
Homes close to St James include some older properties, and the joints between older walls, newer extensions and the roofline need a sealant that can move.
Questions to ask before you book
- How the colour is chosen
- What happens if the job turns out different
- Are they insured?
- Is VAT in the price?
Walls and rooflines in Marden Ash
With historic houses such as Hill Hall (about 4.2 miles west) nearby, there’s older building stock in the area around Marden Ash as well as newer homes. Where a home is older, older walls and rooflines need a sealant that moves with them and suits the material. Rainfall in the South East is lower than in much of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
Managing a site like Chipping Ongar Primary School? Then its movement joints, gutters and trims need looking after like any other building’s.
Marden Ash is about 6 miles north-west of Brentwood, in Essex. Every kind of property in Marden Ash can book us for external mastic. Every job comes with our one-year guarantee. 644 places in Essex are on our list, large and small. Chelmsford is on our list too, around 11 miles away.
Work in CM5 is quoted and booked the same way as anywhere else. Local streets include Rodney Road, Fairfield Road and Brentwood Road. Marden Ash is on the A128, so it’s easy for us to get to. We also cover the places around Marden Ash: Stanford Rivers (1 mile south-west), Little End (1 mile south-west), Hare Street (2 miles south-west), Clatterford End (2 miles west) and Paslow Wood Common (2 miles east). We also work in nearby towns such as Chelmsford (11 miles east), Basildon (13 miles south-east), Harlow (7 miles north-west), Brentwood (6 miles south-east), Billericay (9 miles south-east) and Loughton (8 miles south-west).
Local landmarks in Marden Ash
We work in homes and buildings around The Ongar Academy and Two Brewers Public House and the streets around them. Well-known places in the area include Willingale Doe (4.8 miles north-east) and St. Margaret's Hospital (5.2 miles west). The countryside around Marden Ash includes Gernon Bushes.
DIY versus a professional finish
A careful DIYer can reseal a simple joint, such as a straightforward joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
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.
Looking after it afterwards
After the cure time, these simple habits help:
- Check external joints each spring
- Point out the joints to other trades
- Keep high-pressure jets off the joints
- Have failed joints looked at early
Look over the joints once a year, ideally after winter. Watch for splits, edges coming away or growth in the joint.
Once a joint can’t move, the wall finds another way, generally as cracking in the brickwork or render nearby. Catch it early and you reduce the risk.
Surface by surface
Cladding and façade panels
Where a cladding system has its own specified sealant, we follow it or an approved alternative. Send us any details you have about the façade.
Concrete and blockwork
The face of concrete or block is often dusty, so cleaning and priming matter. A primer goes on where the product requires one before the bead.
Marden Ash questions
Can you do external mastic in Marden Ash?
Yes. Our work covers London and the South East, and Marden Ash is part of that. Just ring 0345 464 0079 or drop us an email with a few details of the job, and we will give you a clear quote.
Is external mastic in Marden Ash guaranteed?
All our work, in Marden Ash and everywhere else, comes with a 12-month guarantee. We are also fully insured and ARBOMaster approved.
Can you work on commercial sites?
Yes. Hotels, offices and other businesses use us and we’re fully insured.
Do you remove the old sealant?
Yes, every time. New sealant will not bond properly to old, so the joint is cleaned back first.
How often do external joints need resealing?
That varies with the weather the wall faces, how much it moves and the sealant used. Sealant is a maintenance item, so check the joints once a year and reseal when it splits.
What colours does the sealant come in?
The aim is a neat, even joint in a colour that suits the wall. We’ll talk through colour options before we start.
Is it OK to fill a movement joint with cement?
No. Cement or mortar cannot stretch and the joint fails. Where a joint has been mortared, it can often be raked out and sealed properly.
Do the sealants smell?
Some sealants have a smell while they cure, but it fades. Opening a window helps.
The process
Our applicators work methodically: protection first, then preparation, sealing and a tidy-up. Typically it takes a few hours for a handful of joints, longer for a whole elevation and we leave things clean and tidy. Somewhere like Marden Ash needs a little journey planning: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.
- First we look over the joints with you, agree which to renew and talk through access.
- Old sealant and any debris are cut and raked out.
- The joint faces are cleaned and primed where the sealant needs it.
- Closed-cell backing rod is fitted to set the depth and stop three-sided bonding.
- The new sealant, chosen to suit the brick or render, is applied and tooled to a neat finish.
Getting ready for the visit
- Clear items away from the joints we’re working on
- Keep pets and children clear of the area while we work
- Mention any tricky access
How to get a quote
Need a quote? Please call 0345 464 0079 or drop us an email and tell us about the job. You’ll know what we plan to do, and what it will cost, before any work begins.