Reading · England
Emmer Green External Mastic
External mastic for Emmer Green, by sealant specialists with 20+ years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Panel joints letting water in
- Moss and dirt in joints with no sealant left
- Hard, crazed mastic that has stopped moving
Why it’s worth doing now in Emmer Green
A properly done movement joint is an even line in a colour that suits the wall. A rushed bead with no backing looks untidy and doesn’t last, so it pays to do it properly once. In a smaller place like Emmer Green, 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.
The cost reflects the work involved, not a rough estimate. That is why we ask about the job first and agree the price before starting.
Why us?
- White, clear, grey or another colour, product permitting
- Old sealant always removed completely
- An ARBOMaster approved applicator
- A 12-month guarantee on all work
See what affects the cost and what customers say.
How we handle external mastic in Emmer Green
We cut out failed sealant, set the joint depth with closed-cell backing rod and reseal with a low-modulus exterior sealant. The colour is chosen to suit the brick or render. We are often asked to deal with joints with sealant missing in places and plants rooting in failed movement joints, on render & cladding joints, copings & trims and façade panels.
Homes around Emmer Green range from older cottages to newer houses, with walls and rooflines of every type. Older homes need their gutter and trim joints kept tight, newer ones their movement joints.
You’re covered for a year from the day we finish. If there’s a problem with it, please ring 0345 464 0079 or email us.
- Where
- Emmer Green (RG4)
- Wider area
- Reading
- Cover
- A year, on every job
- Price
- A clear quote up front
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
What sealant work cannot fix
New sealant cannot fix everything, and we’ll tell you before any work starts. Sealant won’t put right:
- Cracks in the bricks or render themselves, away from the joints
- Walls that need new movement joints cut into them
- Failed render or damaged cladding panels
If in doubt, ring 0345 464 0079 or send us an email and we’ll say what we think.
Where we work in Emmer Green
- Façade panels
- Brickwork movement joints
- Render & cladding joints
- Copings & trims
- Joints between brick and frames
- Concrete & block
Aftercare tips
No joint lasts for ever, but care makes a real difference. Our tips:
- Walk round the building once a year and look at the joints
- Point out the joints to other trades
- Ask before painting over external sealant
- Get split or bare joints resealed while the damage is small
Have a quick look at the joints each spring. Splits, gaps at the edges or plants in the joint are early warning signs.
Gaps, plants or missing sealant in a joint are worth getting looked at. Earlier resealing means a smaller job and a better result.
Your questions about external mastic in Emmer Green
Do you cover smaller places like Emmer Green?
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.
Do you cover Emmer Green for external mastic?
Yes. We work across London and the South East, and Emmer Green is part of that. Just phone 0345 464 0079 or drop us an email with a few details of the job.
Are you insured?
Yes, we are fully insured for every job we do.
Is it messy?
No. We protect the surfaces around the joints, and we tidy up before we go.
Can you quote for more than one area?
Yes. Tell us about everything you’d like done and we will quote it together.
Do you guarantee your work?
Yes. Every job comes with our 12-month guarantee.
Where are you based?
Mr Mastic is based in Crawley. We cover Emmer Green and the rest of Reading.
What is a movement joint?
Most straight vertical gaps in brickwork are movement joints. It gives the wall room to move and needs a flexible seal, not mortar.
DIY versus a professional finish
A DIY attempt doesn’t rule out a professional job. We cut it out and start again.
The difference is mostly in the preparation and the 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.
For landlords and businesses
In hotels, rooms out of use cost money, so the work can be planned room by room. We have worked in hotels as well as homes and businesses.
Housing providers, facilities teams and property managers book us too in Emmer Green and across Reading. We can quote a run of properties together, and we’re fully insured for the work.
Towns and villages near Emmer Green
Other services in Emmer Green
How it works
Most of a good job is in the preparation, so that is where we spend the time. Joints are cleaned back and dried before anything new goes in. All told, the work takes a few hours for a handful of joints, longer for a whole elevation. For a job in Emmer Green, we agree the time, the access and parking before the day. If the work is outside, the weather plays a part, as sealant needs a dry surface.
- First, the joints are inspected and the access agreed.
- We cut out the old mastic and rake out anything in the joint.
- The faces are brushed clean and primed where the product requires it.
- We fit closed-cell backing rod to control the depth.
- The exterior sealant is applied, tooled and checked along its length.
How to prepare
- Plan for the work area to be out of bounds to pets and children
- Tell us if parking is tricky
- Mention any sign-in or site rules at work premises
Ask for a quote
For a quote, phone 0345 464 0079 or send us an email with the location and a short description of the problem. We’ll send you a clear quote before any work starts.
Read more
External mastic in Emmer Green: local notes
Compared with the north and west, the South East gets less rain, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind. Historic houses like Mapledurham House (about 3.2 miles west) are a reminder that the area around Emmer Green has older buildings as well as new. In older buildings, older walls and rooflines need a sealant that moves with them and suits the material.
Schools such as The Hill Primary School are buildings too, and movement joints, cladding joints and gutters on larger buildings need the same care as a house’s. If you live in an older home near St Barnabas Church Hall, an extension built onto an older house moves differently, and the joint between them takes the strain. Letting a property close to Reading station? Then outside joints that have cracked can let damp into a rental, so check them between lets.
Emmer Green is about 1 mile north-east of Caversham, in Reading. Emmer Green gets the same service as everywhere we cover: old sealant removed completely, careful preparation and a 12-month guarantee. 34 places in Reading are on our list.
Here we cover the RG4 postcode area for external mastic. Local streets include Kiln Road, Grove Road and Barnes Road, and we cover them all. Neighbouring places we cover for external mastic include Caversham (1 mile south-west), Caversham Park Village (1 mile east), Littlestead Green (1 mile north-east), Dunsden Green (1 mile north-east) and Chalkhouse Green (1 mile north-west). Further out, we also cover Norcot (3 miles south-west), Tilehurst Within (4 miles south-west), Shinfield (5 miles south), Arborfield Garrison (7 miles south), Horncastle (4 miles south-west) and Whitley Wood (5 miles south).
Landmarks near Emmer Green
In Emmer Green, that means homes and buildings near The White Horse pub, Chiltern Nursery Nurse Training School and Highdown School and Sixth Form Centre, among other places. Emmer Green’s nearest station is Reading station, roughly 1.7 miles south of the centre. Nearby you will also find Broad Street Mall (2 miles south) and Royal Berkshire Hospital (2.2 miles south). Open spaces near Emmer Green include Sonning Hill and Fobney Island Wetland Reserve.
What affects the cost of external mastic
The quote reflects the job in front of us. We look at:
- When we can work, for business premises
- The old material and how stubborn it is
- Whether the work is at height
- Mould in or behind the old joints
The cost depends on how much there is to do, how much old material has to come out and how easy the joints are to reach. We give a clear quote before work begins, so you know where you stand.
Asking for a quote
To help us quote quickly, please include:
- Roughly how big the job is
- If someone has resealed it before
- How we’d reach the joints
- If it’s domestic, commercial or a hotel
For a quick quote, get us on the phone, or email us if that is easier. Tell us about the joints that need doing and we’ll explain what’s involved and send you a clear quote.