Three Mile Cross mastic sealing
Commercial sealant work in Three Mile Cross for contractors, FMs and building owners: mastic sealing for building owners, managing agents and housing associations, quoted at a fixed price.
- Draughts at frames across a block
- Damp patches beside frames
- Mastic failing across several blocks on an estate
Mastic sealing across Three Mile Cross
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
Do you need mastic sealing in Three Mile Cross?
Buildings move with temperature and moisture, and the sealant takes up that movement. If the joint or the product wasn’t suited to the movement, it splits long before it should.
Things that typically lead to an enquiry:
- Mastic failing across several blocks on an estate
- Failed external movement joints
- Occupiers reporting cold air round windows
- Worn sealant at communal door frames
With historic buildings such as Stratfield Saye House, 4 miles south of Three Mile Cross, in the wider area, owners of older properties around Three Mile Cross should expect mastic to need a product that suits old masonry.
What to look for in a quote
- Will CSCS-carded applicators be on site?
- How the joint faces will be prepared and primed
- Health and safety accreditation such as CHAS
- The named product and why it was chosen
How we handle mastic sealing in Three Mile Cross
In buildings from before 2000, some old mastics contain asbestos. Before we disturb it, we ask to see the asbestos register or survey, and work stops for testing if there’s any doubt. Removing asbestos-containing material isn’t something we do. If you have estate-wide sealant that is simply worn out and window mastic that has split and shrunk, we can help. For commercial sealant work in Three Mile Cross, you deal with one contact from quote to sign-off, for single jobs and planned programmes alike.
Rural conversions near places like Three Mile Cross often set modern frames into older stone, flint or brick. The mastic needs to suit an irregular masonry face and the look of the building.
Building owners and contractors get the same cover: twelve months on the work we carried out. It doesn’t extend to damage, faults in the building or work by others, and we are upfront about that.
- Location
- Three Mile Cross (RG7)
- Region
- Wokingham
- Cover
- 12 months on our workmanship
- Price
- Fixed quote, scope in writing
- Phone
- 01277 525 020
- Updated
- 3 November 2026
Our process
When we get to site, we report to your site contact and complete whatever induction the building runs. Floors, finishes and fittings next to the joints are covered before anything is cut or cleaned, and the work usually takes a day or two for a single block, longer for an estate programme. Smaller jobs around Three Mile Cross can be grouped with others nearby. A fixed quote is given before anything starts.
- We check the asbestos register for older buildings and look at the joints.
- A fixed quote covers the joints, products and order of work.
- Failed mastic is removed completely.
- The joints are prepared and resealed with the right product.
- Buildings are completed in turn.
Getting the site ready
- Tell us what induction or permit system the site runs
- Agree which areas must stay open
- For older buildings, check the asbestos register before work
Getting a fixed quote
Let us know the site, the scope and your timescale, and we’ll put a fixed quote together. To get it moving, call 01277 525 020 or send details through our quote form.
Read more
Also near Three Mile Cross
What else we do in Three Mile Cross
Why it’s worth doing now in Three Mile Cross
Mixed repairs by different contractors leave a patchwork of products and colours. A block-wide reseal gives one product, one colour and one guarantee and one 12-month guarantee. Halls, stores and units around places like Three Mile Cross may not be checked every day, which gives a failed joint time to do damage. Resealing early avoids that.
Pricing mastic joints depends on quantities, condition and access. Ask us for a fixed quote.
Why clients in Three Mile Cross choose us
- One phone line for London, the South East and Scotland
- Coloured sealants to suit the setting, where available
- 12-month guarantee on workmanship
- Colours confirmed for the specified product
Read how commercial sealant jobs are priced and our accreditations and insurance.
Mastic sealing in Three Mile Cross: the local picture
Three Mile Cross sits in one of the drier corners of the country, the South East. Outside work still depends on dry joints, and south- and west-facing elevations, which take the most sun and rain, often age first. Three Mile Cross is about 38 miles from central London. Commuter-belt towns tend to have plenty of managed blocks near stations and town centres.
Buildings close to stations like Reading Green Park station (to the north-west of Three Mile Cross) are often flats over shops, with frame mastic to keep sound. If you manage student housing near a university such as University of Reading - Whiteknights Campus (2.7 miles north-east of Three Mile Cross), the summer turnaround is the time for mastic.
Three Mile Cross is about 3 miles south of Reading, in Wokingham. We cover Three Mile Cross, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. Three Mile Cross is one of 42 places we cover in Wokingham for mastic joints.
Business premises anywhere in RG7 are within our area for mastic joints. Buildings on Dairy Grove, Basingstoke Road and Buttermilk Grove are within our area. Just outside Three Mile Cross, we also work in Ryeish Green (1 mile south-east), Great Lea Common (1 mile north-west), Whitley Wood (1 mile north-east), Shinfield (1 mile east) and Green Park (2 miles north-west). A short drive away, we cover Wokingham (5 miles east), Woodley (5 miles north-east), Earley (3 miles north-east), Crowthorne (8 miles east), Lower Earley (3 miles north-east) and Winnersh (4 miles north-east).
Landmarks near Three Mile Cross
We work on buildings around Ryeish Green School, Shinfield Infant and Nursery School and Pearman's Copse. The closest station to Three Mile Cross is Reading Green Park station, about 2 miles north-west of the centre. A little further out are Berkshire Medical Heritage Centre Museum (3.2 miles north) and The Oracle (3.3 miles north). For a walk, there’s Fobney Island Wetland Reserve and Longwater.
What sets the cost
The price varies from site to site. Expect it to depend on:
- Removal of failed or old sealant
- Phasing around occupants
- The site’s rules and procedures
- Backing rod, priming and other preparation
Cost follows what’s involved: stripping out, preparation, sealing, access and phasing. Call for a quote.
Before you send an enquiry
However big the job, these details speed things up:
- Photos of the joints, close up and from further back
- The type of building and who uses it
- The product your specification calls for
- Whether an asbestos survey exists
Every job follows the same four steps: send details, get a quote, we seal, guaranteed. The first step is to give us a call on 01277 525 020 or use the quote form with what you know.
What we can’t put right
Some faults sit outside our scope, and we point that out rather than sealing over them:
- Leaks through the frame itself rather than the perimeter
- Broken glass or failed sealed units
- Cracked or crumbling render, brick or stone at the joint edges (we’ll tell you if so)
If you’re not sure, just give us a call on 01277 525 020 or email the details over and we’ll give you a straight answer.
What we seal
- Window and door perimeters on blocks
- Communal kitchens and washrooms
- Shopfronts below residential blocks
- External wall and movement joints
- Balcony and threshold joints
- Communal entrances and stairwells
Surface by surface
Commercial and mixed-use buildings
Tenants in commercial buildings need to keep trading, so we plan around them.
Tenement and older buildings
Older buildings, including Scotland’s sandstone tenements, have their own joint details. We look at the substrate before choosing a sealant.
Questions about Three Mile Cross
Is Three Mile Cross off your patch?
No. Small places get the same service as large ones. We work across Greater London and the South East. Good photos up front let us bring everything on the first visit.
Will you take on a block within reach of Reading Green Park station?
Yes, and several blocks can go on one quote. Give us the building’s details and say how residents are notified, and we will quote and plan to suit.
Can you reseal a whole block or estate?
Yes, planned programmes suit estates and portfolios. The quote can be split however suits your budgeting.
What paperwork can you provide?
Our credentials include CHAS, Constructionline and public liability insurance. For specific documents, tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we’ll confirm with the quote.
When can the area be used after sealing?
That comes down to the sealant and the temperature. Some products skin over quickly but need longer to cure fully, and we confirm it before leaving site.
Who decides which product is used?
A specification, where there is one, decides it. If there isn’t one, it comes down to the joint: its movement, its surfaces and what it has to cope with.
Is it fine to apply new sealant on top of old?
No. We cut the old material out and clean the joint back before sealing, since fresh sealant will not bond reliably to aged material.