
Commercial sealant contractors in Norcot, Reading
Our CSCS-carded applicators take on sealant work for offices, shops, hotels and other commercial buildings in Norcot. Send photos or drawings for a fixed quote.
- Mouldy silicone around WCs, urinals and vanity tops
- Earlier reseals applied straight onto the failed bead
- Damp patches where an external joint has failed
Need commercial sealant contractors in Norcot?
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
Commercial sealant contractors in Norcot, done properly
How long a joint lasts is decided before any sealant leaves the gun. Old silicone gives new sealant nothing to grip, so every trace of it is removed. Primer is used wherever the manufacturer calls for it on that surface, and a backing rod limits the depth to give the sealant room to work. The enquiries we see most involve hardened, chalky sealant on south-facing or exposed elevations and a top-up bead over failed sealant, now lifting, on washrooms and tea points, external facade joints and window and door perimeters. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: on jobs in Norcot, preparation and product choice get the time they need.
On a typical commercial building in Norcot, the joints that fail first are the hardest-worked ones: south-facing perimeters, entrance thresholds and busy washrooms.
In a smaller place such as Norcot, commercial buildings are normally a mix of shops, a pub or café, a school, a surgery and perhaps a few business units. Each job is modest, yet a joint in a small café needs the same cutting out, cleaning and sealing as one in a city office.
The 12-month guarantee is for workmanship rather than wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, so we spell out the cover before we begin.

- Where
- Norcot (RG30, RG31)
- Wider area
- Reading
- Guarantee
- 12 months on every job
- Price
- Quoted before any work starts
- Phone
- 01277 525 020
- Updated
- 3 November 2026
When to call us in Norcot
In wet areas the enemy is typically mould rather than movement. Damp, harsh cleaning products and poor ventilation let mould take hold inside the bead, and once established it rarely cleans out. The fix is a new bead of anti-mould sanitary silicone.
Clients normally get in touch after noticing one or more of the following:
- Frame mastic that has hardened and come away from the wall
- Weathered facade sealant that no longer flexes
- Sanitary sealant that has gone black and patchy
- Wall and floor joints that have lost their seal
Sites a few miles apart, such as Norcot Industrial Estate and Oxford Road Business Park, can share one programme and one point of contact.
Before you book anyone
- Their public liability cover
- The named product and why it was chosen
- The terms of the workmanship guarantee
- Whether primer will be used where the manufacturer specifies it
Your questions answered
Is Norcot Industrial Estate, near Norcot, within your area?
Yes. We cover Norcot and the area around it, including industrial estates, business parks and retail parks such as Norcot Industrial Estate. Photos and a short description are enough for a first look.
Must a hotel around Norcot close while you work?
Rarely. Rooms or floors are done in turn, so the rest of the hotel keeps trading. The plan is built around your bookings.
Can you supply RAMS and insurance details?
We’ll confirm the paperwork you need, such as RAMS, an insurance certificate or CSCS details, with the quote. We hold CHAS accreditation and Constructionline membership and carry five million pounds of public liability insurance.
What about asbestos in old mastic?
It can, on some older buildings. So we check the register first and stop work on anything suspect until it’s tested. HSE guidance on asbestos is a useful reference.
Do you seal on top of existing sealant?
No. Overlaying old sealant is a frequent cause of early failure, so it all comes out first.
Are you CHAS accredited and on Constructionline?
Yes. Mastic Doctor is CHAS accredited and a Constructionline member, which helps with supplier vetting.
Will the building have to shut during the work?
It’s normal for us to work in occupied buildings. We agree the order of areas, protect what’s nearby and close off only the section we’re sealing.
Also in Norcot
What the job involves on each surface
Fire-rated seals where specified
Intumescent and other fire-rated sealants go in at service penetrations and linear gaps to the maker’s tested details, where they are specified. The design and sign-off of fire stopping belong to the designer and building control; we install what’s specified.
Commercial kitchens and tea points
A smooth, continuous joint is easier to keep clean, which matters when environmental health officers look at a kitchen. We seal to a neat, cleanable finish and work around service times you agree with us.
Honest limits
Honesty saves time and money. New sealant won’t cure:
- Structural cracks or movement the joints weren’t designed for
- A dripping trap, valve or pipe behind a fitting
- Old mastic that tests positive for asbestos
If in doubt, ring 01277 525 020 or email us and we’ll say what we think.
Surfaces we seal
- Movement joints in walls and floors
- Washrooms and tea points
- External facade joints
- Window and door perimeters
- Kitchen worktops and splashbacks
- Floor and threshold joints
How the quote is worked out
We price every job individually. The main factors are:
- Whether the work must be split into stages
- The total length or number of joints
- Location, for remote and island sites
- The site’s rules and procedures
The price depends on how many linear metres there are, how much old material needs removing and how the joints are reached. Call for a quote once you have the details.
Sending details for a quote
A good diagnosis starts with the right details. Tell us:
- Rough lengths or quantities, or drawings if you have them
- What the building is and how it’s used
- Clear photos of the problem areas
- Specification clauses that apply
Every quote starts with the facts: what’s there, how much of it, how we reach it and what’s specified. Share whatever details you have and we’ll fill any gaps with a visit.
Why act early in Norcot
Some low prices are low because nothing gets cut out. Sealing over looks tidy at handover, then lifts once the joint starts moving. Our prices always include removal of the failed bead and full joint preparation, because that’s what makes the new bead last. Small buildings around Norcot suffer from failed joints as much as large ones. Catching it early means a reseal rather than repairs.
Access can matter as much as the joints themselves: easy-to-reach joints are quicker than those that need equipment to get to. Tell us how the joints are reached and call for a quote.
Why choose Mastic Doctor in Norcot
- CHAS accredited
- Fully insured
- CSCS-carded applicators
- Clear, fixed quotes
Take a look at how commercial sealant jobs are priced or our accreditations and insurance.
What Norcot’s businesses ask us to seal
The South East is one of the drier parts of the UK. Drier doesn’t mean dry every day, so frontage work still has some give in the dates. Norcot lies roughly 40 miles out from central London. The South East around the capital has large numbers of business parks, offices and retail centres, especially around the motorway corridors. Occupiers with several premises in the region tend to prefer one contractor and one point of contact.
Shops and cafés around stations like Tilehurst station, 0.8 miles north of Norcot, trade from early, so work is timed around them. A hotel such as The Roebuck Hotel, 1 mile north of Norcot, shows how much sealant a hospitality building has on show, from bathroom joints to the bar.
Norcot is about 2 miles west of Reading, in Reading. Our applicators travel to Norcot for work on sealant joints. Across Reading, 17 places are covered, Norcot among them.
Commercial sites across RG30 and RG31 are covered. We cover commercial and managed buildings on Ash Road, Tay Road and Tyle Road. If your building is just outside Norcot, we cover Tilehurst Within (1 mile south-west), Tilehurst (1 mile west), Horncastle (1 mile south), Little Heath (1 mile west) and Fords Farm (1 mile south). Further afield, our area takes in Caversham (3 miles north-east), Newtown (3 miles east), Whitley Wood (4 miles south-east), Whitley (4 miles south-east), Caversham Park Village (4 miles north-east) and Emmer Green (3 miles north-east).
Near you in Norcot
We work on buildings around The Butchers Arms, Prospect School and Round Copse. The closest station to Norcot is Tilehurst station, roughly 0.8 miles north of the centre. A little further out are Battle Hospital (1.3 miles east) and Royal Berkshire Regiment Museum (1 mile east). Not far away are South Lake and Moor Copse Nature Reserve.
Diagnose, treat, sign off
Our CSCS-carded applicators arrive with the sealants, primers and backing rod the job calls for. Any old material is cut back to clean, sound faces, primer goes on where the manufacturer specifies it, and the sealant is tooled off neatly. For a job in Norcot, the main thing is a clear picture of the work. You’ll then get a fixed price for the work.
- You send photographs, drawings or a list of the joints and areas involved, or we arrange a site visit.
- We work out why the joints have failed and fix a quote for the agreed scope.
- Site hours, access windows and the order of areas are agreed before we start.
- Failed sealant is cut out and each joint cleaned back to sound, dry faces.
- We fit backing to the right depth, prime where specified and lay the new bead.
- We walk the completed areas with you and sign them off under the 12-month guarantee.
Getting the site ready
- Arrange parking or a loading space
- Send asbestos survey details if the building is pre-2000
- Send your site hours and access windows
Getting a fixed quote
The quickest route to a quote is a few photographs and the site postcode. Upload them with the quote form, or speak to us on 01277 525 020 or email a schedule or drawings if you’d rather talk the job through.