Oxfordshire · England
Fire Rated Sealant in South Newington
Fire rated sealant in South Newington from a team with over 20 years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- Linear gaps at the head of walls
- Standard silicone or caulk in a fire-stopping gap
- Gaps flagged on a fire risk assessment
Signs you need fire rated sealant in South Newington
Much fire stopping is hidden: above ceilings, inside risers and behind panels. Because nobody sees it, gaps go unnoticed until an assessor or surveyor looks.
If you can see any of these, it’s time to have the joints looked at:
- Standard silicone or caulk in a fire-stopping gap
- Sealant items on a fire risk assessment action list
- Gaps left after a refit or conversion
- Damaged fire sealant left by other trades
In and around South Newington, as anywhere, good fire rated sealant starts with a clean, dry, properly prepared joint.
What your quote should include
- Who does the work, and how experienced they are
- What the quote includes, VAT included or not
- Which colour the sealant will be
- The length of the guarantee
Fire rated sealant for homes and businesses in South Newington
Where services or frames pass through a fire-resisting wall or floor, the gap around them needs a fire-rated seal. Each gap is sealed to the product maker’s tested detail for its size and substrate. If you are dealing with standard silicone or caulk in a fire-stopping gap and unsealed gaps where pipes and cables go through a wall, we can put it right, whatever the surface.
For a small place like South Newington, the journey and timings are agreed in advance, so it can be fitted around guests, customers or events where possible.
Every job comes with our one-year guarantee.

- Location
- South Newington (OX15)
- Wider area
- Oxfordshire
- Cover
- 12 months on all our work
- Price
- A clear quote up front
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
Keeping the joints in good condition
Joint life depends on how it’s used and looked after. We suggest:
- Tell trades working in the building that fire seals must be put back
- Do not paint over fire sealant until it has cured
- Take pictures of fire stopping before ceilings or boxing go back
- Include hidden areas like risers in routine checks
Don’t drill through or remove a fire seal without putting it back properly. New services through a sealed wall should include fire stopping in the plan.
Small gaps around services are simple to deal with while there are only a few. Leave them and each new job adds another hole.
What happens if it’s left?
Waiting for the next refit can leave a gap open for years. On its own, sealing it now is a small job. Older cottages and farmhouses around South Newington can have timber floors and frames, where water from a failed joint can cause rot if it’s left.
We don’t show prices on the website, because the cost depends so much on the job itself. For a quick quote, please call 0345 464 0079 or send us an email.
Why choose Mr Mastic in South Newington
- Every job guaranteed for a year
- Sanitary silicone with an anti-fungal additive in wet areas
- 20+ years of sealant experience
- We never seal over old sealant
Read what affects the cost or our reviews.
Commercial buildings in South Newington
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’re given, installing the product to its tested details.
For buildings such as St Peter ad Vincula, older buildings that have had new heating or wiring often have service gaps worth checking.
South Newington is about 5 miles south-west of Banbury, in Oxfordshire. Every kind of property in South Newington can book us for fire rated sealant. Every job comes with our 12-month guarantee. 443 places in Oxfordshire are on our list, large and small. Oxford is on our list too, around 18 miles away.
We work across OX15 for fire rated sealant and the streets around it. If you need fire rated sealant at a property on High Street, Sands Lane and Green Lane or anywhere close by, we can help. Nearby, we also carry out fire rated sealant in Wigginton (1 mile west), Swerford (2 miles south-west), Great Tew (3 miles south), Little Tew (3 miles south-west) and Hook Norton (3 miles west). Further out, we also cover Banbury (5 miles north-east), Bicester (12 miles south-east), Witney (15 miles south), Kidlington (13 miles south-east), Bure Park (12 miles south-east) and Chipping Norton (7 miles south-west).
What’s near South Newington
We work in homes and buildings around The Duck on The Pond pub. Nearby you’ll also find Bloxham Village Museum (2 miles north-east) and Horton General Hospital (5 miles north-east). Green spaces nearby include Crouch Hill and Woodford Bottom and Lamb's Pool.
What we cannot put right
Sealant isn’t the answer to every problem, and we’d rather say so up front. Sealant will not put right:
- Certifying a building or signing off its fire safety
- Deciding what fire stopping a building needs
- Doors that aren’t fire doors in the first place
Not sure which it is? You can call 0345 464 0079 or send us an email and we’ll tell you honestly.
Joints and surfaces we work on
- Service penetrations
- Pipe & cable gaps
- Door frames
- Flats & HMOs
- Linear gaps
- Plasterboard & masonry
The process
When we get to you, we check the joints match what you told us. If anything is different, we explain it before carrying on. After that, the work takes anything from a few hours to several days, depending on how many gaps there are. For a village or hamlet like South Newington, the journey is planned in advance: let us know about lanes, gates and parking. We bring what the job needs, so it can be finished in one trip where possible.
- Before starting, we go through the specification or action list with you.
- Each gap is measured and its substrate and service noted.
- Unsuitable material such as ordinary foam or silicone is cut out.
- The specified fire-rated sealant goes in over any backing its detail requires.
- We hand over a list of locations and products for your records.
Preparing for the visit
- Mention any parking rules near the property
- Tell us about any previous sealing or DIY attempts
- Keep children and pets away from the work area
How to get a quote
Call for a quick quote, or email us if that is easier. Tell us about the joints that need doing and we will explain what’s involved and give you a clear price.
Advice
Also near South Newington
More services for South Newington
South Newington questions
Can you do fire rated sealant in South Newington?
Yes. Our work covers London and the South East, and South Newington is part of that. Just call 0345 464 0079 or email us with a few details of the job, and we will send you a clear quote.
Is fire rated sealant in South Newington guaranteed?
All our work, in South Newington and everywhere else, comes with a 12-month guarantee. We are fully insured, and an ARBOMaster approved applicator.
Are you fully insured?
Yes, we are fully insured for every job we do.
Is it worth trying it myself?
You can, for simple jobs. Preparation is everything: all the old sealant out, and a clean, dry joint. We can always put it right if it fails.
What do you put in the joint?
Quality sealants from brands including Arbo and Everbuild, picked for each joint. We explain the product when we quote.
Can you work in occupied buildings?
Yes. Flats, HMOs, offices, schools and other occupied buildings are all part of our work. The order of work and access are planned with you.
Can you match the sealant colour?
Normally, yes. Sealants come in white, clear, grey and other colours, and we will agree it with you first.
What’s the difference between intumescent and fire-rated sealant?
An intumescent material expands when it’s heated. Many fire-rated sealants work this way, but not all.
DIY sealant or a professional job?
If you do try it yourself, take your time over the preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it does not work out, we can still put it right.
The difference is mostly in the preparation and the product. Joints are cleaned back to sound surfaces and dried, and the sealant is chosen for how the joint moves and where it is, then guaranteed for a year.
What the job involves on each surface
Masonry and concrete
Brick, block and concrete walls and floors are sealed with products tested in masonry. The gap is cleaned of dust first.
Flats and HMOs
Conversions generally leave a mix of old and new service holes. The gaps on your list are sealed with a fire-rated product and the locations noted.
