Hertfordshire · England
Fire Rated Sealant in Westwick Row
Intumescent and fire-rated sealant around gaps, frames and service penetrations for homes and businesses in Westwick Row and across Hertfordshire. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.
- Sealant items on a fire risk assessment action list
- Gaps around pipes and cables through fire-resisting walls
- Cracked or shrunken fire-rated sealant
What fire rated sealant looks like in Westwick Row
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. Hemel Hempstead, which Westwick Row is part of, is one of England’s post-war new towns. Like the other new towns, Hemel Hempstead was planned with its own areas for industry and business, so workplaces sit close to the homes. Their washrooms, kitchens and fire-rated joints need the same upkeep as anywhere.
Managing a site like Leverstock Green Church of England Primary School? Then service openings in fire-resisting walls need checking after any refurbishment. If you look after a church, hall or community building such as Church of Holy Trinity, older buildings that have had new heating or wiring often have service gaps worth checking.
Westwick Row is about 2 miles east of Hemel Hempstead, in Hertfordshire. For fire rated sealant in and around Westwick Row, please phone 0345 464 0079 or drop us an email for a quick quote. We cover Hertfordshire from our Crawley base. Westwick Row is one of 381 towns and villages in Hertfordshire where we work for fire rated sealant. London is on our list too, around 22 miles away.
Jobs for fire rated sealant in HP2 and HP3 works the same way as everywhere else we cover. Streets in the area include Pancake Lane, Delmar Avenue and Farm End, all of which we cover. We also cover the places around Westwick Row: Leverstock Green (1 mile west), Bennetts End (1 mile west), Pimlico (1 mile south), Adeyfield (1 mile west) and Hemel Hempstead (2 miles west). We also work in nearby towns such as Watford (6 miles south), Stevenage (15 miles north-east), St Albans (4 miles east), Welwyn Garden City (10 miles east), Harpenden (6 miles north-east) and Hitchin (15 miles north-east).
Near you in Westwick Row
In Westwick Row, that means homes and buildings near Longdean School and the streets around them. The closest station to Westwick Row is Apsley station, roughly 2.1 miles south-west. A little further out are Village Arcade St Albans (3.4 miles east) and Hemel Hempstead Hospital (2.1 miles west). Open spaces near Westwick Row include Verulamium Lake and Long Deans.
About our fire rated sealant in Westwick Row
Bigger jobs can be worked through in stages, flat by flat or floor by floor, with each location and product recorded. That record is useful for your files and for whoever looks at the building next. If you are dealing with unsealed gaps where pipes and cables go through a wall and ordinary sealant used where a fire-rated product was needed, we can put it right, on door frames, pipe & cable gaps and linear gaps alike.
In a village or hamlet like Westwick Row, commercial work is more likely to be a pub, a farm shop, holiday lets or a village hall than an office block. Each still needs sound sealant in its washrooms and kitchens, and fire-rated joints where services pass through walls.
A 12-month guarantee comes as standard.
- Location
- Westwick Row (HP2, HP3)
- Wider area
- Hertfordshire
- Cover
- 12 months on all our work
- Price
- A clear quote up front
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
When to call us in Westwick Row
Door frames are a common weak spot. The architrave hides the gap between frame and wall, so it can be left open when a door is replaced.
People generally contact us after spotting something like this:
- Standard silicone or caulk in a fire-stopping gap
- Seals cut through by electricians, plumbers or data installers
- Holes left by a change of layout
- Open holes round services passing through fire walls
Rented homes near Apsley 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
- How long the guarantee is
- When the joint can take water or movement
- Is VAT in the price?
- Who turns up on the day
Different surfaces, different methods
Flats and HMOs
Conversions normally 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.
Masonry and concrete
Core-drilled and broken-out holes in concrete are often irregular. We check the gap size around the service against the product’s tested range.
Why it’s worth doing now in Westwick Row
A quick fill with any sealant to hand isn’t fire stopping. Fire-rated products are tested in set gap sizes, depths and substrates, so both the product and the method matter. Where a wall is exposed, as many are in small places like Westwick Row, wind-driven rain gets into any failed joint, and older walls, once damp, take a long time to dry.
Homes and businesses are quoted the same way: the amount of work, the access and the products needed, along with when we can work on site. Call for a quick quote and we’ll explain what it covers.
Why book with us
- Old sealant always removed completely
- We are fully insured
- Trusted Arbo and Everbuild sealants
- Tidy, careful work
DIY sealant or a professional job?
Not every job suits DIY: work at height, external movement joints, fire-rated sealant and large areas call for the right materials, safe access and experience.
Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and getting the depth right matters as much as the look.
What we do, step by step
Most of a good job is in the preparation, and we do not rush it. Joints are cleaned back and dried before anything new goes in. In total, it normally takes from a few hours to a few days, depending on the number of gaps and the access. Somewhere like Westwick Row needs a little journey planning: let us know about lanes, gates and parking. We bring what the job needs, so it can be finished in one trip where possible.
- We begin by agreeing the list of gaps from your assessor’s or designer’s requirements.
- We measure every gap and note what it’s in and what passes through.
- Any non-fire-rated filler is removed and the faces cleaned.
- The specified fire-rated sealant goes in over any backing its detail requires.
- We hand over a list of locations and products for your files.
Before we arrive
- Where the joints are inside, avoid wetting them before we arrive
- Tell us about any previous sealing or DIY attempts
- Tell us about any water getting in
Get a quote
For fire rated sealant in Westwick Row, phone 0345 464 0079 or drop us an email. A short description of the job and where it is helps us quote, and we will agree the price before any work begins.
Advice
Keeping the joints in good condition
Once the sealant has cured, a few habits help it last:
- Include fire stopping when you schedule refits
- Look in service cupboards and ceiling voids from time to time
- Flag any open gap you spot round a pipe or cable
- Ask every contractor to reseal any fire stopping they disturb
Do not add foam, filler or ordinary sealant over a fire seal. Repairs should use a matching fire-rated product. Ask us if you are not sure which product was used.
Small gaps around services are simple to deal with while there are only a few. Over time, more work adds more holes and the list grows.
Questions from Westwick Row
Will you come out to Westwick Row?
Yes, we do. We work across London and the South East, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.
Do you cover Westwick Row for fire rated sealant?
Yes. Our work covers London and the South East, and Westwick Row is part of that. You can ring 0345 464 0079 or email us and tell us what needs doing, and we’ll send you a clear quote.
Do you have insurance?
Yes. Mr Mastic is fully insured, with over 20 years’ experience in sealant work.
Where is Mr Mastic based?
We are a Crawley-based firm. Our area covers South East England, London and Scotland.
Can I add another job to the visit?
Yes. More than one area can go on one quote.
Can you tell me which gaps need fire stopping?
No. We work from the specification you give us, and apply each product to its tested details.
Do you hold any approvals?
Yes. Mr Mastic is an ARBOMaster approved applicator and we’re fully insured too.
Is it OK to seal over old sealant?
No, because it fails. The old sealant always comes out first, so the new sealant bonds properly.
What we can’t put right
A few problems are outside what sealant work can do:
- Walls or floors that weren’t built to resist fire
- Problems with the door itself rather than the gap around the frame
- Big openings where sealant alone isn’t the tested solution
Not sure which it is? You can ring 0345 464 0079 or email us and we will tell you honestly.
Surfaces we seal
- Plasterboard & masonry
- Service penetrations
- Pipe & cable gaps
- Linear gaps
- Door frames
- Flats & HMOs