Buckinghamshire · England
Fire-rated sealant in Princes Risborough, Buckinghamshire
Fire rated sealant for Princes Risborough, by sealant specialists with 20+ years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Door frames with gaps between frame and wall
- Fire seals that have cracked with movement
- Linear gaps at the head of walls
What the job involves on each surface
Plasterboard walls
Holes in plasterboard are often cut roughly for services. Where a hole is bigger than the sealant’s tested range, it needs another approach and we will flag it.
Service penetrations
New gaps tend to show up where services have been added. Old or unsuitable filler comes out before the right sealant goes in.
About our fire rated sealant in Princes Risborough
Landlords, managing agents and facilities teams use us for the sealant items on a fire risk assessment. Send us the list or the survey and we’ll quote for the fire-rated sealant work on it. We work on service penetrations, linear gaps and plasterboard & masonry, and common reasons people get in touch are new service routes left unsealed after building work and ordinary sealant used where a fire-rated product was needed.
For a pub, café, guest house or shop in or near Princes Risborough, its washrooms and kitchen need the same sealant care as any big building.
Our work is backed for twelve months, and the guarantee is the same wherever you are.
- Location
- Princes Risborough (HP27)
- Region
- Buckinghamshire
- Guarantee
- A year, on every job
- Quotes
- A clear quote up front
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026

Leave it or put it right?
An unsealed gap lets smoke and fire get round a wall that was built to hold them back. Sealing it properly restores what the wall was there to do, and the sealing itself is often a contained piece of work. Homes in smaller places like Princes Risborough can face more weather, and failed outside joints let damp into walls. Inside, a split seal lets water into floors and panels just as it would anywhere.
The cost reflects the work involved, not a rough estimate. That’s why we ask about the job first and agree the price before starting.
Why choose Mr Mastic in Princes Risborough
- Every job guaranteed for a year
- More than 20 years in sealant work
- Homes, businesses and hotels
- Fully insured
Read our cost guide or what customers say.
Should I try it myself first?
If you’re set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it fails, we can still redo it.
The biggest DIY mistake is sealing over old sealant. Silicone does not stick to old silicone, so it lifts and traps water and mould underneath. Everything old must be removed first.
Towns and villages near Princes Risborough
Also in Princes Risborough
The process
We keep the work tidy and contained to the joints we’re treating. Expect the work to take from a few hours to a few days, depending on the number of gaps and the access, and we tell you how long to leave it before we go. For a job in Princes Risborough, we agree the time, the access and parking before the day. If the work is outside, the weather plays a part, as sealant needs a dry surface.
- We start with the survey or action list, checking the size and surfaces of every gap.
- Old or unsuitable sealant is cut out and the gap cleaned.
- Where the tested detail needs backing or fill, we fit it.
- We apply the fire-rated or intumescent sealant to the specified depth and tool it.
- Locations and products are noted so you have them on file.
Before we arrive
- On commercial sites, let us know about site rules
- Let us know if you’ve seen damp or leaks
- For indoor joints, keep the area dry beforehand if you can
Getting a quote
There’s no standard price list. Instead, we give you a clear price for your job. To get started, phone 0345 464 0079 or send us an email.
Related advice
Princes Risborough questions
Will you come out to Princes Risborough?
Yes, smaller places are covered as well as towns. Our work covers London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Do you cover Princes Risborough for fire rated sealant?
Yes. Our work covers London and the South East, and Princes Risborough is part of that. You can call 0345 464 0079 or drop us an email and let us know what needs doing, and we will send you a clear quote.
Are you an approved applicator?
Yes. We’re approved under the ARBOMaster scheme, the approved applicator scheme for Arbo sealants.
What does fire rated sealant cost?
Every job is different, so each one gets its own quote. For a quick quote, phone 0345 464 0079 or drop us an email and tell us what needs doing and where.
I rent my home. Can I book you?
Of course. Check with your landlord; we can send the quote to them too.
Are you insured?
Yes, we’re fully insured.
Can you do several jobs on one visit?
Of course. Combining jobs makes good use of the visit, so mention them when you ask for a quote.
Do you provide details of the products used?
Yes. We record the locations we’ve sealed and the products used to keep with your fire safety documents.
For landlords and businesses
Failed sealant is one of the commonest items on a check-out report. We can quote for more than one property at once.
Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements and we’ll give you a quote.
Do you need fire rated sealant in Princes Risborough?
If the sealant is too shallow, has the wrong backing or sits on a dusty surface, it is not installed as tested. Rushed fire stopping is common, especially where it was squeezed in at the end of a project.
If you can see any of these, it’s time to have the joints looked at:
- New service routes left unsealed after building work
- Fire stopping disturbed by later work
- Standard silicone or caulk in a fire-stopping gap
- Joints picked up in a fire-stopping survey
For landlords with property near Princes Risborough station, any gap left by new services in shared walls should be closed with a fire-rated product.
What to look for in a quote
- Is VAT in the price?
- Whether you can choose the colour
- Are they insured?
- Who does the work, and how experienced they are
Workplaces and buildings in Princes Risborough
In England, the Regulatory Reform (Fire Safety) Order 2005 requires a fire risk assessment for workplaces and for the common parts of blocks of flats, which is often where open fire-stopping gaps are first noticed. We work to the specification you are given, installing the product to its tested details.
For site and facilities teams at buildings such as Princes Risborough School, fire-stopping around service openings should be restored whenever new services go in. For buildings such as St Teresa's Church, gaps around pipes and cables are worth checking after any building work there.
Princes Risborough is about 6 miles south of Aylesbury, in Buckinghamshire. Wherever you are in the HP27 postcode area, we cover fire rated sealant for homes and businesses. Across Buckinghamshire, we cover 263 places, and Princes Risborough is one of them. Our Oxford page covers work nearby.
Postcode districts we cover here for fire rated sealant: HP27. Whether your property is on High Street, Malthouse Square and Station Road or anywhere close by, our applicators can take on the job. You will find Princes Risborough on the A4010 and A4129, so it’s easy for us to get to with everything needed for fire rated sealant. We also cover the places around Princes Risborough: Alscot (1 mile north-west), Monks Risborough (1 mile north), Whiteleaf (1 mile north-east), Horsenden (1 mile west) and Askett (1 mile north-east). Larger places within reach include Aylesbury (6 miles north), High Wycombe (7 miles south-east), Chesham (9 miles east), Marlow (11 miles south), Amersham (10 miles east) and Beaconsfield (11 miles south-east).
Near you in Princes Risborough
Typical jobs here are in homes near Princes Risborough Primary School and The George And Dragon pub. The nearest railway station is Princes Risborough station, roughly 0.7 miles south-west. Other landmarks nearby include Great Kimble Dial Hill (1.9 miles north-east) and Stoke Mandeville Hospital (5.3 miles north). Green spaces nearby include Brush Hill Local Nature Reserve and Beacon Hill.
What we cannot put right
In fairness, there are a few things sealant won’t fix:
- Fire risk assessments, which need a qualified assessor
- Large holes that need a different fire-stopping system
- A wall that isn’t a fire-resisting element to begin with
If you are not sure, just phone 0345 464 0079 or drop us an email and we’ll give you a straight answer.
Surfaces we seal
- Service penetrations
- Pipe & cable gaps
- Plasterboard & masonry
- Linear gaps
- Flats & HMOs
- Door frames
