Mastic Sealing in Wendover Dean
We carry out mastic sealing for building owners, managing agents and housing associations in Wendover Dean and the surrounding area. Send details for a fixed quote.
- Worn sealant at communal door frames
- Occupiers reporting cold air round windows
- Brittle perimeter mastic across a building
Mastic sealing across Wendover Dean
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
About our mastic sealing in Wendover Dean
Most buildings come with mastic joints nobody has looked at since handover and it slowly wears out: window perimeters, door frames, external joints and communal junctions all rely on it. When it hardens, splits or pulls away, water and draughts follow along with complaints. The enquiries we see most involve a mix of products and colours from past repairs and window mastic that has split and shrunk, on shopfronts below residential blocks, external wall and movement joints and communal entrances and stairwells. Facilities teams, main contractors and managing agents in Wendover Dean tend to want the same three things: a fixed quote, no surprises on site and a 12-month guarantee behind the result.
In and around smaller places like Wendover Dean, landlords and agents often look after small groups of housing association properties, converted farm buildings and community buildings. Mastic around frames and on external joints wears out in time, whatever the building.
Whoever the client is, the cover is the same: a 12-month guarantee on our workmanship. Faults in the structure, damage and other trades’ work fall outside it, and we say so plainly.
- Where
- Wendover Dean (HP22)
- Wider area
- Buckinghamshire
- Cover
- 12 months on every job
- Quotes
- Fixed quote, scope in writing
- Telephone
- 01277 525 020
- Last updated
- 3 November 2026
What sealant work can’t fix
Not every problem is a sealant problem, and we’d rather tell you before you spend money. It won’t fix:
- Substrate edges that need repairing first
- Water coming in from the roof or rainwater goods
- Materials that need asbestos testing before work
If in doubt, ring 01277 525 020 or use the quote form and we’ll say what we think.
Where we work in Wendover Dean
- Shopfronts below residential blocks
- Balcony and threshold joints
- External wall and movement joints
- Window and door perimeters on blocks
- Communal kitchens and washrooms
- Communal entrances and stairwells
On site: what to expect
Where the site stays busy, the work is phased so only one area is out of use at a time. Each section is protected, cleaned back and sealed, then reopened once the sealant allows before the next one starts. Smaller jobs around Wendover Dean can be grouped with others nearby. You’ll have a fixed quote before work starts.
- We check the asbestos register for older buildings and look at the joints.
- The products and programme are set out in a fixed quote.
- Failed mastic is removed completely.
- The joints are prepared and resealed with the right product.
- Buildings are completed in turn.
Before we start on site
- Share your working hours and any access restrictions
- Send asbestos survey details if the building is pre-2000
- Point out parking and an unloading spot
Getting a fixed quote
Send details, get a quote, we seal, guaranteed: that’s how every job runs. To take the first step, phone 01277 525 020 or use the quote form.
Related advice
Site staff or a sealant specialist?
A short, simple internal joint is often within reach of a maintenance team. The usual problems come from preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.
For most general trades, sealant is a sideline. A specialist prepares properly, controls joint depth and picks a product with the right movement class.
Common problems we fix in Wendover Dean
The edges of the material itself sometimes break away, such as crumbling render, brick arrises or frame edges. If the edges are unsound, we say so before quoting the sealing.
Things that usually lead to an enquiry:
- No planned programme for sealant
- Draughts at frames across a block
- Patchy repairs in mismatched sealant
- Cracked, hardened mastic round windows on a block
Schools and community buildings such as John Colet School need frame and external mastic kept sound like any building.
What your quote should include
- Will RAMS and insurance details be available?
- How they’ll work around occupants
- How the joint faces will be prepared and primed
- Their approach to joint depth and backing
Mastic sealing around Wendover Dean: points for this area
Wendover Dean is in the South East, one of the UK’s drier regions. External mastic still waits for dry faces and the right temperature, and south- and west-facing elevations, which take the most sun and rain, often age first. At about 32 miles from central London, Wendover Dean is within reach of the capital. Managed blocks of flats are a big part of commuter-belt property, and window and balcony mastic on them tends to age at the same rate.
Blocks of flats and mixed-use buildings often cluster around stations such as Wendover station (to the north-west of Wendover Dean) and their window and balcony mastic tends to age at the same rate across a building. Older buildings near Wendover Dean, from historic houses such as Cholesbury Manor House, 3.5 miles to the north-east of Wendover Dean, to more modest stock, need compatible products when frames are resealed.
Wendover Dean is about 5 miles west of Chesham, in Buckinghamshire. We cover commercial sites throughout Wendover Dean, whether it’s a single job or part of a planned programme. We work across 308 places in Buckinghamshire. There’s a separate page for Reading, roughly 22 miles from Wendover Dean.
Business premises anywhere in HP22 are within our area. Among the streets we cover are London Road and Cobblershill Lane. Close to Wendover Dean, our area also takes in Kingsash (1 mile north-east), Lee Gate (1 mile east), Hunt's Green (1 mile south-east), Wendover (2 miles north) and Great Missenden (2 miles south-east). A short drive away, we cover Aylesbury (7 miles north-west), High Wycombe (7 miles south), Chesham (5 miles east), Marlow (11 miles south), Amersham (7 miles south-east) and Beaconsfield (9 miles south).
Near you in Wendover Dean
We work on buildings around The Firecrest pub and the streets around them. The closest station to Wendover Dean is Wendover station, about 2 miles north-west. Other landmarks nearby include Chiltern Hospital (3.4 miles south-east) and Little Kimble Motte (3.3 miles west). The countryside around Wendover Dean includes Coombe Hill and Dancersend Nature Reserve.
What happens if it’s left?
Reacting to every complaint means sending someone out block by block. Planned resealing covers a whole building or estate in one go, under a single quote and a single programme. One visit to deal with every failing joint makes more sense than several trips to a place like Wendover Dean, rather than one at a time. Photos of every joint help us quote for the whole job.
Every site prices differently: joint size, product, access and site hours all play a part. Send the details and a fixed figure follows.
What you get with us
- RAL and finish matching where the product range allows
- CHAS accredited contractor
- Our applicators hold CSCS cards
- A range of standard colours, depending on the product
Take a look at how commercial sealant jobs are priced or how we’re accredited.
How the job changes by surface
External movement joints
Failed sealant is removed, backing rod inserted to control depth and the joint resealed with a grade whose movement class fits.
Planned maintenance
Resealing can be scheduled alongside other planned works on a timetable you set.
Common questions from Wendover Dean clients
Does your area include sites such as Station Approach Business Park, near Wendover Dean?
Yes, sites like Station Approach Business Park are within our area, along with the rest of Wendover Dean. Photos and a short description are enough for a first look.
We manage a building near Wendover station. Can you help?
Yes, and several blocks can go on one quote. We work to your notice and access arrangements.
Can you work to our specification?
Yes. Send it with your enquiry, and the quote will be based on it, flagging anything that needs clarifying.
Do you supply RAMS and insurance details?
We’re CHAS accredited, a Constructionline member and carry public liability insurance. Tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we’ll confirm with the quote.
How long will the new sealant last?
Nobody can honestly give a figure in years, since movement, weather, cleaning and use all affect it. Regular inspection is the best way to catch problems early.
What if the old mastic contains asbestos?
Some mastics in pre-2000 buildings contain asbestos. We ask for the asbestos register or survey before work starts and suspect material is tested first.
What guarantee do you give on resealing?
Our workmanship carries a 12-month guarantee and we hold public liability insurance.