Hertfordshire · England
Horns Mill Fire Rated Sealant
Fire rated sealant in Horns Mill from a team with over 20 years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Cracked or shrunken fire-rated sealant
- Open gaps behind door architraves
- Open joints along the top of partitions
About our fire rated sealant in Horns Mill
Filling a fire-stopping gap with standard silicone or caulk does not make it fire-rated. We cut out the wrong material and the gap is resealed with a product tested for that use. We are often asked to deal with gaps filled with a product that isn’t fire-rated and unsealed gaps where pipes and cables go through a wall, on linear gaps, flats & HMOs and plasterboard & masonry.
For a small place like Horns Mill, the journey and timings are agreed in advance, so the job can fit around bookings, guests or opening times where possible.
All our work is covered by our one-year guarantee.
- Location
- Horns Mill (SG13, SG14)
- Wider area
- Hertfordshire
- Cover
- One year on every job
- Price
- A clear price before work begins
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
Workplaces and buildings in Horns Mill
Workplaces and the common parts of blocks of flats in England need a fire risk assessment under the Regulatory Reform (Fire Safety) Order 2005, and gaps around services are often picked up there. We work to the specification you’re given, installing the product to its tested details. There are hotels and other places to stay in and around Horns Mill. For hotels, a room-by-room programme keeps most rooms in use while the work goes on.
For site and facilities teams at buildings such as Morgans Primary School & Nursery, service openings in fire-resisting walls need checking after any refurbishment. Community buildings like Church of St Andrew are part of the picture too: service openings in its walls need the right fire-rated sealant, as in any building.
Horns Mill is about 1 mile south of Hertford, in Hertfordshire. For fire rated sealant in and around Horns Mill, please phone 0345 464 0079 or drop us an email for a quick quote. We are based in Crawley and cover Hertfordshire, Horns Mill included. Horns Mill is one of 381 places in Hertfordshire we cover. London is on our list too, around 20 miles away.
We cover every part of SG13 and SG14 for fire rated sealant and the streets around it. Streets in the area include Cecil Road, Peg's Lane and Purkiss Road, and we cover them all. Other places close to Horns Mill include Hertford (1 mile north), Foxholes (1 mile north-east), Hertford Heath (2 miles east), Rush Green (2 miles north-east) and Brickendon (2 miles south). Larger places within reach include Stevenage (9 miles north-west), St Albans (11 miles west), Bishop's Stortford (12 miles north-east), Welwyn Garden City (5 miles west), Harpenden (12 miles west) and Hitchin (14 miles north-west).
Near you in Horns Mill
Typical jobs here are in homes near The Black Horse Public House and Richard Hale School and the streets around them. For rail, the closest station is Hertford North station, about 0.9 miles north. Well-known places in the area include Hertford County Hospital (0.7 miles north) and Mcmullen & Sons Brewery Museum (0.8 miles north). For a walk, there’s Willowmead.
Do you need fire rated sealant in Horns Mill?
Door frames are a common weak spot. The gap between the frame and the wall is hidden behind the architrave, so it’s easy to leave unsealed when doors are changed.
Common reasons people contact us are:
- Joints picked up in a fire-stopping survey
- Ordinary sealant used where a fire-rated product was needed
- Open joints along the top of partitions
- Open holes round services passing through fire walls
Rented homes near Hertford North station change hands often, and fire-rated sealant around pipes and cables through walls and floors needs making good whenever new services go through.
What to look for in a quote
- What insurance they hold
- What the quote includes, VAT included or not
- How long to leave it before use
- Whether you can choose the colour
What we cannot put right
It helps to know what we can’t do:
- Problems with the door itself rather than the gap around the frame
- Assessing a building’s fire safety
- Issuing a fire rating or certificate for a building
If you are not sure, just phone 0345 464 0079 or email us and we’ll give you a straight answer.
Surfaces we seal
- Pipe & cable gaps
- Door frames
- Flats & HMOs
- Linear gaps
- Service penetrations
- Plasterboard & masonry
How the visit works
There’s no need to move everything out before we come, just the space around the work. We protect the rest, and the work takes from a few hours to a few days, depending on the number of gaps and the access in most cases. In a small place like Horns Mill, access is normally the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- Access to each area is agreed so the work can run in order.
- Old, damaged or unsuitable sealant is removed.
- Dust and loose debris are cleaned from each gap.
- The fire-rated or intumescent sealant is applied and tooled to the tested detail.
- Locations and products are written up and any gaps unsuitable for sealant are flagged.
Before we arrive
- Let us know about earlier repairs to the joints
- For business premises, tell us about site rules or sign-in
- Let us know about parking restrictions
Ask for a quote
For fire rated sealant in Horns Mill, call 0345 464 0079 or drop us an email. Tell us what the problem is and where, and we’ll agree the price before any work begins.
Related advice
What affects the cost of fire rated sealant
Some jobs are bigger than they look, and some smaller. The main factors:
- The product the joint needs
- When we can work, for business premises
- How many rooms, windows or areas are involved
- How easy the joints are to reach
Combining jobs into one visit is usually more efficient than separate visits. We’ll send you a clear quote for the lot.
What we need to know
The more you tell us, the more accurate the quote. When you ask for a quote, tell us:
- If it’s domestic, commercial or a hotel
- What’s wrong with the joints now
- A few photos by email, if you can
- If someone has resealed it before
Every job is quoted individually, so the first step is telling us about yours. Just ring 0345 464 0079 or drop us an email with the details and send photos if you have them.
Can I do it myself?
The biggest DIY mistake is sealing over old sealant. New silicone won’t bond to old, so it peels away and traps moisture behind it. Everything old must be removed first.
A DIY attempt doesn’t rule out a professional job. We remove it and do the joint properly, so tell us about it when you ask for a quote.
Places near Horns Mill
Other services in Horns Mill
Why act early in Horns Mill
An open gap in a fire-resisting wall is a route for smoke and fire. A proper seal lets the wall do its job again, and the work involved is often modest. Older cottages and farmhouses around Horns Mill can have timber floors and frames, and water through a failed joint can rot timber if it’s left.
A few things move the cost up or down: how much old sealant there is and how stubborn it is, any mould to treat, and whether the work is at height. Your quote takes all of that into account.
Why us?
- 20+ years of sealant experience
- Domestic, commercial and hotel work
- Any old sealant cut out fully, not covered over
- We leave the area clean and tidy
Read our cost guide or customer reviews.
FAQs for Horns Mill
Do you cover smaller places like Horns Mill?
Yes, we do. We work across London and the South East, and smaller places are part of that. Longer journeys are simply planned in advance.
Do you take on hotel work around Horns Mill?
Yes, hospitality work, including hotels, is part of what we do. Work can be planned room by room, and out-of-hours working can be arranged.
Do you offer different sealant colours?
Most of the time, yes. We’ll tell you which colours the right product comes in.
Is standard sealant good enough for a fire gap?
No. It looks sealed but won’t perform as fire stopping. A tested fire-rated product is needed.
Where is Mr Mastic based?
We work from Crawley. We cover Horns Mill and the rest of Hertfordshire, along with the rest of our area.
I’m a tenant. Can you help?
Of course. Ask your landlord first, and we can send them the quote if that helps.
What sealant do you use?
Each joint gets the product that suits it. Movement, water and weather all affect the choice, and we will tell you what we are using.
Do you seal gaps around fire door frames?
Yes, if the gap is within the product’s tested range. Our work is the gap around the frame.
Surface by surface
Flats and HMOs
Flats and HMOs rely on fire separation between homes and the common parts. We seal the gaps your assessor has identified room by room.
Door frames
Behind most architraves is a gap between frame and wall. We seal any open gap to the product’s tested details.