Hampshire · England
External Mastic in Rake
Our applicators work in Rake on sealing brickwork movement joints, render, cladding and façade joints. Old sealant removed completely, joints prepared properly.
- Joints where the bead has come unstuck
- Water getting into walls through failed joints
- Plants rooting in failed movement joints
Landlords, agents and businesses in Rake
From a single let to a portfolio, the work is the same standard: the old material taken out, careful preparation and a 12-month guarantee.
We regularly work with letting and managing agents. Tell us the address, the job and how access works and we’ll quote.
External mastic in Rake, done properly
Ground-floor and low-level joints are straightforward to reach. For joints higher up, give us some details of the building and we will confirm what’s needed to reach them safely. We work on façade panels, render & cladding joints and joints between brick and frames, and the jobs we see most are water getting into walls through failed joints and hard, crazed mastic that has stopped moving.
Somewhere as small as Rake, homes and farm buildings often face open ground, so walls and rooflines take the full force of wind and rain. Joints on those walls need a sealant that moves with the building and stays in place.
The work is covered for a year after we finish. If anything is not right with it, call 0345 464 0079 or send us an email.

- Where
- Rake (GU33)
- Wider area
- Hampshire
- Cover
- A year, on every job
- Quote
- A clear price before any work starts
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
Also in Rake
Different surfaces, different methods
Render joints
Water behind render can lead to blown patches. Resealing the joints early keeps water out and protects the render itself.
Joints between dissimilar materials
Different materials may need different primers. Both surfaces are cleaned and primed as the product requires.
Aftercare tips
To keep the joints looking good and working properly:
- Show decorators and builders where the movement joints are
- Never let anyone fill a movement joint with mortar
- Check external joints each spring
- Wash walls gently around the sealant
Give the sealant the cure time we tell you before anything rubs against it. Most exterior sealants skin fast but take longer to cure right through.
Small splits are the time to act. Then it’s a straightforward cut-out and reseal.
How it works
Our applicators work methodically: protect, prepare, seal, tidy. Typically it takes anything from a few hours to several days, depending on the building. For a village or hamlet like Rake, the journey is planned in advance: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.
- We inspect the joints and agree which need resealing and how they’ll be reached.
- The old mastic and anything lodged in the joint is removed.
- Both sides are cleaned back to sound material and primed if needed.
- 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.
How to prepare
- Mention any tricky access
- Move anything stored near the joints
- Mention any parking rules near the property
Getting a quote
We quote each job on its own, so start by telling us what you need. Just ring 0345 464 0079 or email us with the details, and pictures are welcome.
Read more
Honest limits
In fairness, there are a few things sealant will not fix:
- Cutting new joints into brickwork, which is building work rather than sealant work
- Failed render or damaged cladding panels
- Cracks in the bricks or render themselves, away from the joints
Not sure which it is? You can phone 0345 464 0079 or drop us an email and we’ll tell you honestly before you book.
What we seal
- Concrete & block
- Render & cladding joints
- Façade panels
- Joints between brick and frames
- Copings & trims
- Brickwork movement joints
Questions from Rake
I let a flat near Liss station. Can you help?
Yes, rental work is part of what we do. Just call 0345 464 0079 or send us an email and tell us about the property, and we will give you a clear price.
Do you cover smaller places like Rake?
Yes, Rake is covered. Our work covers London and the South East, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.
What do you put in the joint?
The product depends on the job: anti-fungal sanitary silicone in wet areas, and other sealants where joints move or face the weather. We use products from Arbo and Everbuild.
Should I try DIY first?
That depends on the joint. High-level, external movement and fire-rated joints are professional jobs, while a short indoor joint may be within reach.
Do the sealants smell?
There can be a smell while the sealant cures, which fades as it sets. Opening a window helps.
Should I point up the gap in my brickwork?
No. A mortar-filled joint cannot move, so the movement cracks the wall elsewhere. Use a flexible sealant with backing rod.
Will you leave a mess?
Tidy work is part of the job. We protect what’s around the joints.
Can you match the colour of my brickwork?
There’s a good range of exterior colours, including greys, browns, whites and stone tones. We choose the closest to your brick or render.
When to call us in Rake
If plants are growing out of a joint, the sealant has normally failed or was never there. Roots and dirt hold water against the wall and make things worse.
Keep an eye out for these signs:
- Movement joints filled with mortar instead of sealant
- Plants rooting in failed movement joints
- Panel joints letting water in
- Water getting into walls through failed joints
Managing a site like Rake CofE Primary School? Then its movement joints, gutters and trims need looking after like any other building’s.
Questions to ask before you book
- How the surfaces are prepared before sealing
- How hidden problems are handled
- Whether they seal over old material or remove it
- Whether you can choose the colour
What affects the quote in Rake
The price is agreed before any work begins. It’s based on:
- The size of the job
- Whether there’s mould to deal with
- Whether the work is at height
- The old material and how stubborn it is
We don’t show prices on the website, because the cost depends so much on the job itself. Call for a quick quote and we will talk you through it.
Asking for a quote
What to tell us when you ask for a quote:
- Where the property is
- Pictures of the joints, sent by email
- The type of property
- If someone has resealed it before
Quotes start with a quick conversation. Tell us what’s wrong, where it is and how much there is. When it suits you, call 0345 464 0079 or email us.
Outside joints around Rake
The South East is one of the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
Letting a property close to Liss station? Then failed wall and movement joints let damp in, so they’re worth checking between tenancies. In the older streets around Rake Mission Church, an extension built onto an older house moves differently, and the joint between them takes the strain.
Rake is about 4 miles north-east of Petersfield, in Hampshire. Across the GU33 area, we cover external mastic for homes and businesses. Rake is one of 683 places in Hampshire we cover for external mastic. For nearby work, see our Portsmouth page.
Postcode districts we cover here for external mastic: GU33. That includes homes and businesses on London Road, Brewells Lane and St Patrick's Lane. We also cover the places around Rake: The Mint (1 mile north-west), Hill Brow (1 mile south-west), Liss (1 mile west), Liss Forest (1 mile north-west) and West Liss (2 miles west). We also work in nearby towns such as Havant (14 miles south-west), Horndean (12 miles south-west), Aldershot (15 miles north), Alton (9 miles north-west), Waterlooville (14 miles south-west) and Petersfield (4 miles south-west).
Near you in Rake
Around Rake, our work takes us to homes and buildings near The Sun Inn, among other places. Rake’s nearest station is Liss station, roughly 1.6 miles west. Well-known places in the area include Chase Community Hospital (4.2 miles north). Open spaces near Rake include Liss Riverside Railway Walk North and Wheeler's Down.
