West Berkshire · England
Crookham External Mastic
Specialist external mastic for Crookham: the right sealant, proper preparation and a neat finish. Call for a quick quote.
- Joints where the bead has come unstuck
- Old sealant gone brittle and cracked
- Damp patches traced to an open external joint
Common questions in Crookham
Do you cover Crookham for external mastic?
Yes, Crookham is within the area we cover. Our work covers London and the South East. Just ring 0345 464 0079 or drop us an email with a few details of the job.
Do you work for landlords with property near Thatcham station?
Yes, rental work is part of what we do. You can phone 0345 464 0079 or drop us an email with the address and a few details, and we will give you a fixed price before we start.
What’s an expansion joint in brickwork?
It’s a deliberate gap that lets the wall expand and contract without cracking. It should be filled with flexible sealant, never mortar.
Is it OK to fill a movement joint with cement?
No. Mortar locks the joint solid, so the wall cracks somewhere else instead. Use a flexible sealant with backing rod.
Can you work on commercial sites?
Yes. We have worked for hotels, offices and other businesses and we’re fully insured.
Do you hold any approvals?
Yes. We’re an ARBOMaster approved applicator, the approved applicator scheme for Arbo sealants.
How do I get a quote for external mastic in Crookham?
Size, access and the old material all affect the cost. Ask us for a quote.
Do you guarantee your work?
Yes. Every job comes with our 12-month guarantee.
About our external mastic in Crookham
Getting the depth right is half the job. Closed-cell backing rod sets the depth and stops the sealant sticking to the back, so it bonds to the two sides only and can stretch. Typical jobs include sealant that has lost its bond to the brick or render and gaps where render, brick and frames meet, on façade panels, brickwork movement joints and joints between brick and frames.
External sealant needs dry, clean surfaces, so work around Crookham is planned for dry weather. Let us know about access to every wall, plus any garages or outbuildings.
All our work is covered by our 12-month guarantee, wherever you are in West Berkshire.
- Location
- Crookham (RG7, RG19)
- Wider area
- West Berkshire
- Cover
- 12 months on all our work
- Quote
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
Quotes for external mastic in Crookham
Every job gets its own quote. This is what makes a difference:
- Any mould that needs treating
- How many rooms, windows or areas are involved
- Which sealant suits the joint
- Whether the work is at height
No two jobs are quite the same, so each one gets its own quote. Size, access and the product the joint needs all make a difference.
What we need to know
There’s no need for technical detail. Just tell us:
- Any access issues, like height or stairs
- Whether it’s a home or a business
- How many joints, rooms or windows are involved
- A few pictures by email, if you can
Every job is quoted individually. Just call 0345 464 0079 or send us an email with the details and send pictures if you have them.
Walls and rooflines in Crookham
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. With historic houses such as Shaw House (about 5 miles north-west) nearby, there’s older building stock in the area around Crookham 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.
Schools such as Brimpton C.E. Primary School are buildings too, and its movement joints, gutters and trims need looking after like any other building’s. Rented homes near Thatcham station change hands often, and split movement joints are easy to miss on a rental until damp shows inside.
Crookham is about 3 miles south-east of Thatcham, in West Berkshire. Every kind of property in Crookham is covered for external mastic, old or new, large or small. Every job comes with our 12-month guarantee. Our West Berkshire coverage runs to 155 places, and Crookham is one of them. There’s also a page for Reading, roughly 12 miles from Crookham.
Work in RG7 and RG19 works the same way as everywhere else we cover. If you need external mastic at a property on Crookham Common Road and Hyde End Lane or anywhere close by, we can help. Close by, we work in Hyde End (1 mile south-east), Goose Hill (1 mile south-west), Mill Green (1 mile south-west), Ashford Hill (2 miles south-east) and Plastow Green (2 miles south-west). We also work in nearby towns such as Newbury (5 miles west), Thatcham (3 miles north-west), Burghfield Common (7 miles east), Speenhamland (5 miles north-west), Hungerford (13 miles west) and Spencers Wood (11 miles east).
Local landmarks in Crookham
In Crookham, that means homes and buildings near Kennet School and The Travellers Friend pub and the streets around them. For rail, the closest station is Thatcham station, about 1.6 miles north-west of the centre. Other landmarks nearby include Old Chapel Textile Centre (2.7 miles west) and West Berkshire Community Hospital (3.8 miles north-west). Green spaces nearby include Thatcham Reed Beds.
Landlords, agents and businesses in Crookham
In hotels, rooms out of use cost money, so the work can be planned room by room around your bookings where we can. We have worked in hotels as well as homes and businesses.
We work for landlords and agents as well as homeowners. Sealant work between tenants is a simple way to keep a property in good order before the next move-in.
DIY sealant or a professional job?
Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and getting the depth right matters as much as the look.
The biggest DIY mistake is sealing over old sealant. New silicone won’t bond to old, so it lifts and traps water and mould underneath. All the old material has to come out first.
Nearby places to Crookham
What else we do in Crookham
Why act early in Crookham
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 does not last, so it pays to do it properly once. In a small place like Crookham, homes can be exposed to wind and rain, which finds any gap, and damp in older walls is slow to dry out.
Leaving a failed joint normally makes the job bigger, not smaller, because water and mould keep working on it. If you are not sure whether it needs doing, phone 0345 464 0079 or email us for an honest opinion and a quote.
Why us?
- Old sealant always removed completely
- Neat joints and a tidy finish
- We’re fully insured
- Colour agreed with you before work begins
See what affects the cost and customer reviews.
When it isn’t the sealant
New sealant can’t fix everything, and we’d rather say so up front. It will not solve:
- Cracks in the bricks or render themselves, away from the joints
- Walls that need new movement joints cut into them
- Subsidence or other structural problems
If you’re not sure, just phone 0345 464 0079 or drop us an email and we will give you a straight answer before you book.
Surfaces we seal
- Copings & trims
- Joints between brick and frames
- Concrete & block
- Brickwork movement joints
- Render & cladding joints
- Façade panels
When to call us in Crookham
The wrong product in a moving joint is a classic cause. A high-modulus or general-purpose sealant can be too rigid for a busy joint, and it tears off the sides.
Look out for these signs:
- Joints where the bead has come unstuck
- Plants rooting in failed movement joints
- Damp patches traced to an open external joint
- Movement joints with cracked, split or missing sealant
Homes close to Church of St Peter include some older properties, and an extension built onto an older house moves differently, and the joint between them takes the strain.
Questions to ask before booking
- Whether all the old sealant comes out first
- What the cure time is
- How the joint is cleaned and prepared
- Are they insured?
How the visit works
We keep the work tidy and contained to the joints we’re treating. Expect the work to take a few hours for a handful of joints, longer for a whole elevation. Somewhere as small as Crookham, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We look at every joint and agree a colour to suit the wall.
- We take out the old sealant until the faces are sound.
- Backing rod goes in so the sealant can stretch between the two faces.
- Primer is applied wherever the sealant needs it.
- We gun in low-modulus sealant and tool it neatly.
Getting ready for the visit
- Tell us if parking is tricky
- Clear items away from the joints we are working on
- Where the joints are inside, avoid wetting them before we arrive
Get a quote
If you are in Crookham and need external mastic, call 0345 464 0079 or send us an email. A short description of the job and where it is helps us quote, and you’ll get a clear quote before we start.