Buckinghamshire · England
Commercial sealant contractors in SL9
Our applicators cover all of the SL9 postcode district, including Chalfont St Peter, Gerrards Cross and Chalfont Common. Failed sealant is always cut out completely, with a 12-month guarantee.
Sealant work in SL9
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
Areas within SL9
Sealant work we offer in SL9
- Expansion and movement joint sealing
- Commercial washroom and wet-area sealing
- Fire-rated sealing and fire stopping
- Coloured and colour-matched sealant
- Commercial sealant contractors
- Construction and new-build mastic
- Mastic sealing for building owners and managing agents
- Industrial and floor joint sealing
- Facade and window perimeter sealing
- Every service
Tell us what needs doing and your postcode and we’ll come back with a price: call 01277 525 020 or email the details over.
Neighbouring districts
Across Buckinghamshire
Towns and villages in Buckinghamshire
Areas we cover
About commercial sealant contractors in SL9
Sealant joints are easy to overlook until one lets water in, and in an occupied building failure normally announces itself as a stained ceiling or an unhappy tenant. Mastic Doctor works as a commercial sealant contractor for facilities managers, managing agents and main contractors with sites in SL9. Our job is to diagnose the failure, remove the old bead and seal again using a product chosen for the movement and exposure. We work on washrooms and tea points, window and door perimeters and external facade joints, and what we’re called in for most is a top-up bead over failed sealant, now lifting and damp patches where an external joint has failed.
In a busy building, the work is phased so only one area is out of use at a time. Each area is protected, prepared and sealed before we move to the next.
- You send photographs, drawings or a list of the joints and areas involved, or we arrange a site visit.
- Next comes a diagnosis and a fixed quote.
- Before anything is cut out, we agree access, timings and sequence.
- 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.
- Finished joints are checked with you and handed over with our 12-month guarantee.
What you will pay
The specified product makes a difference, and so does the preparation, such as cutting out, priming or new backing rod. Access, phasing and site requirements come into it too.
Why choose Mastic Doctor
- A range of standard colours, depending on the product
- 12 months’ guarantee on every job
- CHAS accredited contractor
- Colours chosen to suit frames, cladding or finishes where possible
Request a quote
Let us know the site, the scope and your timescale, and we’ll put a fixed quote together. The easiest way is to give us a call on 01277 525 020 or send details through our quote form.
Local landmarks in Chalfont St Peter
In Chalfont St Peter, that means premises near The Poachers pub, Parish Church of St Peter and Gayhurst School, among other places. Also close by are Bulstrode Park (1.8 miles south-west), Chalfont St Peter CofE Academy (less than half a mile north-west), British Defence Film Library (1 mile north-west) and The Chalfonts Community College (0.6 miles west). The nearest railway station is Gerrards Cross station, about 1.3 miles south. Well-known places in the area include Chiltern Open Air Museum (2.1 miles north) and Chalfonts and Gerrards Cross Hospital (under half a mile west). For a walk, there’s Northmoor Hill Wood and Pynesfield Lake.
Commercial premises across SL9
Commercial buildings across SL9 range from older premises altered many times to recent units on business parks. Each building needs the right product for its surfaces, from stone and brick to coated aluminium and laminate.
The South East is one of the UK’s drier regions, but external sealing in SL9 still needs a dry joint and the right temperature, and damp or frosty mornings can hold it up.
Chalfont St Peter: For a hotel such as Ethorpe Hotel (1.2 miles south of Chalfont St Peter), the colour of a joint at the bar or the bath matters to the look of the room. Shops and cafés around stations like Gerrards Cross station, 1.3 miles to the south of Chalfont St Peter, trade from early, so work is timed around them.
Different surfaces, different methods
Shop fronts and retail fit-outs
Retail work normally has to fit around trading. Tell us your trading hours and access windows and we’ll plan around them.
Commercial kitchens and tea points
In kitchens, sealant lines at worktops, sinks and wall panels take heat, grease and daily cleaning. Proper degreasing comes before any new sealant.
Cost factors for sealant joints
Your fixed quote is built from the real scope. It allows for:
- The total length or number of joints
- Any access equipment needed
- How much existing material needs removing
- Induction, permit and paperwork requirements
Access can matter as much as the joints themselves: joints within easy reach take less time than ones that need access equipment. Tell us how the joints are reached and call for a quote.
Details that help us quote
There’s no need for a formal survey. These details are enough to start:
- Where the site is, with the postcode
- What the building is and how it’s used
- The asbestos register, for older buildings
- Photos of the joints, close up and from further back
Every job follows the same four steps: send details, get a quote, we seal, guaranteed. To take the first step, call the office on 01277 525 020 or use the quote form.
What happens if it’s left?
It can be tempting to hold sealant work back until the next refurbishment. That’s reasonable for internal joints that are just tired-looking, but external and wet-area joints that already leak shouldn’t wait. We can seal the urgent joints now and leave the rest for the programme.
Comparing quotes
- Which product they’ll use, and why it suits the joint
- Are they CHAS accredited or on Constructionline?
- How the joint faces will be prepared and primed
- Proof of insurance
What we’re called out for in SL9
The wrong sealant in the wrong place is a common cause of early failure. Painters’ acrylic in a moving joint, vinegar-smelling silicone on metal or natural stone, or a high-modulus product where a low-modulus one was needed. Guidance such as BS 6213 exists to steer sealant selection for exactly this reason, and many specifications refer to it.
Look out for the following:
- Weathered facade sealant that no longer flexes
- Layers of sealant, all of them failing
- Messy, uneven beads from earlier work that let the building down
- Damp patches where an external joint has failed
Aftercare for building managers
Cleaning and maintenance staff play a part too. Share these points with them:
- Report cracked or peeling sealant early
- On pre-2000 buildings, share the asbestos information before work starts
- Respect the cure time before reopening an area
- Have extract fans checked so wet areas dry out
New joints need their full cure time before they take water, cleaning or traffic. Cure time varies with the product, conditions and depth of the joint. Keeping signs or barriers up until then protects the finish.
A failed external joint lets water in every time it rains. It can run into cavities, insulation and internal finishes long before anyone sees a stain. Resealing early keeps the problem in the sealant and out of the building.
Questions about SL9
Does the weather affect the work?
It can, when the joints are outside. Sealant won’t bond properly to a wet or frosty joint, so we watch the forecast and rearrange outside work if we have to. Internal work is far less affected.
Can you supply RAMS and insurance details?
We will 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.
Are your applicators CSCS-carded?
Yes. Should the site need card details in advance, let us know and we’ll send them with the quote.
Is your work guaranteed?
Our workmanship on each job is backed by a 12-month guarantee. We are fully insured for public liability as well.
How long does a job like this take?
It depends on the scope, but the work normally takes as long as the agreed scope needs, from a single visit to a programme spread over several weeks. Larger or phased jobs take longer, and we’ll give you a timescale with the quote.
How long before the joints can be used?
That comes down to the sealant and the temperature. Some take light use quickly, others need longer to cure, so we will confirm the curing time on the day.
How long will the new sealant last?
It depends on movement, UV and weather, cleaning, traffic and the product. Treat them as maintenance items and inspect them regularly.