
Construction and new-build mastic in Botley, Hampshire
Mastic packages for new-build and refurbishment projects in Botley. CHAS accredited, Constructionline member, with a 12-month guarantee on workmanship.
- Old sealant on a refurbishment that needs stripping before new work
- Cracks opening in caulked internal joints
- Early adhesion failures on new external joints
Construction mastic across Botley
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
Why it’s worth doing now in Botley
A cheaper sealant can look like an easy saving on a large package. A failed joint in the defects period costs far more than the product difference, especially externally. Where an alternative is genuinely suitable, we’ll say so. Sealant hardens, cracks and loses grip with age, UV and movement. Replacing it before it fails keeps water out.
No two sites price the same: joint size, product, access and site hours all play a part. A fixed quote follows once we understand the job.
Why choose Mastic Doctor in Botley
- Our applicators hold CSCS cards
- Fixed quotes based on photos, drawings or a visit
- Colour agreed before work starts
- Fully insured
Take a look at what affects the cost or our accreditations.
How we handle construction mastic in Botley
Most of the packages we price run well beyond frames: frame perimeters inside and out, caulking to trims and boards where the specification calls for it, sanitary silicone, kitchens, and the final snag list. Splitting those between trades often leaves gaps in responsibility. Most enquiries involve different trades sealing to different standards and sealant knocked or painted over by other trades, across cladding and panel joints, brick and block movement joints and window and door perimeters. A specialist sealant contractor works differently from a general builder: in Botley, that means joint design, primers and backing rod as standard.
In a smaller place such as Botley, construction tends to mean small housing schemes, conversions and extensions to community buildings. Even a small site needs its perimeter and facade joints sized, backed and sealed properly.
Building owners and contractors get the same cover: a 12-month guarantee on our workmanship. It doesn’t extend to damage, faults in the building or work by others, and we are upfront about that.

- Where
- Botley (SO30)
- Region
- Hampshire
- Cover
- A 12-month guarantee
- Price
- Fixed quote, scope in writing
- Call
- 01277 525 020
- Last updated
- 3 November 2026
Common questions from Botley clients
Do you cover business parks and estates near Botley, such as Bottings Industrial Estate?
Yes. We cover Botley and the area around it, including industrial estates, business parks and retail parks such as Bottings Industrial Estate. A few photographs and the unit address let us price the work.
Is Botley too far out for you?
No. Places such as Botley are covered as much as the big towns. We cover Greater London and the counties of the South East. Good photos up front let us bring everything on the first visit.
Are you CHAS accredited?
We are CHAS accredited and a Constructionline member, with CSCS-carded applicators. Public liability insurance of five million pounds is in place too.
Do you take on multi-site work?
Yes. Several buildings can share a single quote, with one point of contact.
What about RAMS and site documents?
Let us know which documents the site needs, such as RAMS, an insurance certificate or CSCS details, and we will confirm them with the quote.
Is colour matching possible?
Often, yes. Many products come in a range of standard colours, and matching to RAL references or surrounding finishes is often possible. We will confirm the colours available for the specified product.
Do you do internal caulk as well as external mastic?
It depends on the specification, but most packages include frame perimeters, sanitary and kitchen joints, caulking where specified and a snagging pass.
How a job runs
Site rules come first: signing in, inductions and any permit to work. Once we are cleared to begin, the joints are worked through in the order agreed with your site contact. If neighbouring businesses or buildings around Botley need work too, visits can be combined. Tell us your site hours and we will plan around them.
- We walk the site or review drawings to understand the package.
- A fixed quote sets out scope, products and phasing.
- Site paperwork is confirmed and our CSCS-carded applicators are inducted.
- We seal plot by plot or floor by floor in line with the programme.
- Any frame gaps or issues outside our scope are flagged to the site team.
- Final snagging is completed and the 12-month guarantee applies.
Getting the site ready
- Point out any areas we must not close
- Share the asbestos register for older buildings
- Send any specification or drawings in advance
Get a fixed quote
The quickest route to a quote is a few photographs and the site postcode. Send them through the quote form, or call 01277 525 020 or email drawings and photos to discuss it first.
Advice
Honest limits
A proper diagnosis includes knowing what sealant can’t do. You’ll hear from us if the cause turns out to be one of these:
- Fire-stopping design or sign-off (that’s for the designer, fire engineer and building control)
- Specifying the product where the designer hasn’t
- Faulty frames rather than failed sealant
If you are not sure, just ring 01277 525 020 or email a schedule or drawings and we will give you a straight answer.
What we seal
- Sanitary and kitchen joints
- Floor and skirting junctions
- Window and door perimeters
- Brick and block movement joints
- Internal decorators’ caulk
- Cladding and panel joints
Signs you need construction mastic in Botley
On a live site, contamination is the biggest threat to a new joint. Plaster dust, release agents, protective film residue and damp all stop sealant bonding, so preparation matters as much here as on a reseal.
Any of the following is a good reason to get the joints checked over:
- Mastic snags holding up handover
- Inconsistent sealant finishes from plot to plot
- Frame perimeters left unsealed or poorly sealed
- Failed sealant in an existing building being refurbished
When units on a site such as Bottings Industrial Estate, 0.7 miles east of Botley, are refurbished or reclad, the panel joints and window perimeters are part of the mastic package.
Before you book anyone
- Their approach to joint depth and backing
- Whether old or failed sealant will be cut out, not overlaid
- Will RAMS and insurance details be available?
- Is the sealant right for the movement and the substrate?
Towns and villages near Botley
More services for Botley
Construction mastic in Botley: the local picture
Several hotels sit less than 2 miles from Botley. Hotel schemes tend to have fixed reopening dates, so the mastic is programmed tightly with the other trades. The South East is one of the drier parts of the UK. Winter mornings still bring frost and condensation on frames and panels, so the external programme keeps a little slack.
Older buildings in the area around Botley, such as South Stoneham House (4.6 miles west of Botley), need care when sealed: the product has to suit soft or historic materials. For a contractor at a hotel such as The Legacy Botleigh Grange Hotel, 0.8 miles north-west of Botley, the mastic often has to be finished before a reopening date.
Botley is about 1 mile east of Hedge End, in Hampshire. Across the SO30 postcode area, it works the same way: send details, get a fixed quote, we seal, and the work is guaranteed. Botley is one of 723 places we cover in Hampshire.
Business premises anywhere in SO30 are within our area for mastic packages. If your site is on High Street, Boswell Close and Bailey Close or close by, we can quote for mastic packages. Botley sits on or close to the A334. Just outside Botley, we also work in Boorley Green (1 mile north), Curdridge (2 miles east), Curbridge (2 miles south-east), Durley (2 miles north) and Horton Heath (3 miles north). Further afield, our area takes in Winchester (10 miles north), Gosport (9 miles south-east), Havant (13 miles east), Eastleigh (5 miles north-west), Fareham (6 miles south-east) and Horndean (12 miles east).
Landmarks near Botley
Around Botley, our work takes us to commercial buildings near Wildern School, Wildern School and The Dolphin Hotel The Dolphin Public House. Botley’s nearest station is Botley station, about 0.8 miles east. A little further out are Moorgreen Hospital (2.2 miles north-west) and Netley Castle (4.4 miles south-west). Green spaces nearby include Swanwick Lakes.
Different surfaces, different methods
External facade and movement joints
External movement joints often need primer, depending on the substrate. Primer goes on where the sealant maker calls for it, and seal only with a dry joint inside the product’s temperature range.
Bathrooms, en suites and washrooms
Across a block of flats or a hotel, sanitary sealing is repeated in every room. One applicator team gives the same finish everywhere following the programme.
Doing it in-house
General builders and handymen seal joints, but it isn’t their main trade. A specialist prepares properly, controls joint depth and picks a product with the right movement class, which is what makes a joint last.
Using site staff can make sense for a small touch-up, but anything bigger is another matter: a specialist brings efficiency, a consistent finish and a 12-month guarantee.