Hertfordshire · England
How Wood Fire Rated Sealant
Intumescent and fire-rated sealant around gaps, frames and service penetrations for homeowners, landlords and businesses in How Wood. Fully insured, ARBOMaster approved and guaranteed for a year.
- Gaps left after a refit or conversion
- Sealant items on a fire risk assessment action list
- Open joints along the top of partitions
Aftercare tips
So the new joints stay in good condition:
- Ask every contractor to reseal any fire stopping they disturb
- Photograph sealed gaps before they’re covered up
- Flag any open gap you spot round a pipe or cable
- Check whether a sealant can be painted before decorating over it
File the record of locations and products with your fire safety paperwork. It helps whoever checks the building next.
If a fire risk assessment has flagged a gap, don’t leave it for the next one. Get it sealed and recorded so the item can be closed.
Fire rated sealant in How Wood, done properly
Bigger jobs can be worked through in stages, flat by flat or floor by floor. It gives you a list to keep with the building’s fire safety documents. We work on plasterboard & masonry, door frames and flats & HMOs, and the jobs we see most are ordinary sealant used where a fire-rated product was needed and open gaps behind door architraves.
Community buildings, schools and small businesses around places like How Wood have washrooms and kitchens that see a lot of use. Their sealant and fire-rated joints are as important as those in any bigger building.
A one-year guarantee comes with the work, just as it does everywhere we cover.
- Where
- How Wood (AL2)
- Region
- Hertfordshire
- Cover
- 12 months on all our work
- Quotes
- A clear price before we start
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Should I try it myself first?
If you do try it yourself, take your time over the preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it does not work out, we can still put it right.
Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and doesn’t move well, and the joint depth matters as much as the finish.
For landlords and businesses
Hotels need rooms back in use, so we plan the work room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.
Housing providers, facilities teams and property managers book us too in How Wood and across Hertfordshire. Several sites can be quoted together, and we’re fully insured.
Different surfaces, different methods
Plasterboard walls
Service holes in plasterboard are often rough and oversized. Gaps that are too big for sealant alone need a different detail.
Flats and HMOs
Conversions usually leave a mix of old and new service holes. We seal the ones on your specification with a tested product and record where they are.
What affects the quote in How Wood
Call for a quick quote. What matters most is:
- Any mould that needs treating
- Any working-time requirements on site
- The product the joint needs
- How much old sealant there is and how hard it is to remove
Combining jobs into one visit usually makes better use of the time than several visits, so tell us about everything that needs sealing. You’ll get one clear quote for the whole job.
What we need to know
Before you ask for a quote, have a think about:
- What’s wrong with the joints now
- If someone has resealed it before
- Photos by email, if that’s easy
- If it’s domestic, commercial or a hotel
For fire rated sealant in How Wood, ring 0345 464 0079 or drop us an email. Tell us what the problem is and where, and you will get a clear quote before work begins.
How Wood questions
Can you do fire rated sealant in How Wood?
Yes, How Wood is within the area we cover. Our work covers London and the South East. You can ring 0345 464 0079 or send us an email and let us know what needs doing.
Is How Wood within the area you cover?
Yes. How Wood is within the area we cover, which takes in towns, villages and rural addresses. We work across London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Can new sealant go over the old?
No. Fresh sealant doesn’t stick to old sealant, and anything trapped underneath, including mould and water, stays there. We remove it all first.
Can I choose the sealant colour?
In most cases you can choose. We will tell you which colours the right product comes in and agree one before work begins.
Is there a guarantee?
Yes. All our work carries a 12-month guarantee.
What does intumescent mean?
Intumescent describes a material that swells in heat. Intumescent sealants are a type of fire-rated sealant and which one is used depends on the job.
Are you an approved applicator?
Yes. ARBOMaster is the approved applicator scheme for Arbo sealants, and we are part of it.
Will it make a mess?
No. We protect the surfaces around the joints, and we clear up the old sealant and our materials before we leave.
Fire rated sealant around How Wood
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, and gaps around services are often picked up there. We apply fire-rated sealant to the assessor’s or designer’s specification and the product’s tested details.
Community buildings like Church of the Holy Trinity are part of the picture too: gaps around pipes and cables are worth checking after any building work there. Rented homes near How Wood station change hands often, and fire-rated sealant around pipes and cables through walls and floors needs making good whenever new services go through. For site and facilities teams at buildings such as How Wood Primary and Nursery School, service openings in fire-resisting walls need checking after any refurbishment.
How Wood is about 2 miles south-west of St Albans, in Hertfordshire. Jobs in How Wood get the same care as everywhere else we work: the old material taken out, joints prepared properly and a 12-month guarantee. Our Hertfordshire coverage runs to 381 places, How Wood among them. We also work in London, around 19 miles away.
We work across the AL2 postcode area for fire rated sealant and the streets around it. That includes homes and businesses on Ringway Road, Alder Close and How Wood and the roads around them. Neighbouring places we cover for fire rated sealant include Park Street (1 mile north-east), Chiswell Green (1 mile north-west), Frogmore (1 mile east), Bricket Wood (1 mile south-west) and Colney Street (1 mile south-east). Further out, we also cover Watford (4 miles south-west), Hemel Hempstead (5 miles north-west), Stevenage (15 miles north-east), Welwyn Garden City (9 miles north-east), Harpenden (7 miles north) and Hoddesdon (15 miles east).
Around How Wood
In How Wood, that means homes and buildings near Marlborough Science Academy and The Falcon pub. How Wood has its own railway station: How Wood station. Well-known places in the area include Hilfield Castle (4.6 miles south) and Hypocaust Museum (2.1 miles north). Open spaces near How Wood include Broad Colney Lakes and Verulamium Lake.
Why deal with it now?
A quick fill with any sealant to hand is not fire stopping. Fire-rated products are tested in set gap sizes, depths and substrates, so both the product and the method matter. Around How Wood, water from a failed joint in an older home can soak into timber and plaster, and that’s a much bigger job than renewing the sealant.
Leaving a failed joint generally makes the job bigger, not smaller, because water and mould keep working on it. If you are not sure whether it needs doing, call 0345 464 0079 or drop us an email for an honest opinion and a quote.
Why book with us
- 180+ five-star Google reviews
- Sanitary silicone with an anti-fungal additive in wet areas
- More than 20 years in sealant work
- Quality sealants from Arbo and Everbuild
Read our cost guide or what customers say.
Places near How Wood
Also in How Wood
How it works
We bring everything the job needs with us, so you don’t need to buy or prepare anything. After a quick look at the joints together, the area is protected and the work begins. It normally takes anything from a few hours to several days, depending on how many gaps there are. In a smaller place like How Wood, parking is seldom the issue; lanes, gates and long drives are worth mentioning. If the job is outside, tell us about side access and how high the joints are.
- We plan the order of work and access, floor by floor or flat by flat.
- We take out any damaged or unsuitable sealant.
- Gaps are cleaned of dust and loose material.
- The fire-rated or intumescent sealant is applied and tooled to the tested detail.
- We record what was done and flag anything that needs a different system.
How to prepare
- Tell us if parking is tricky
- Where the joints are inside, avoid wetting them before we arrive
- Keep pets and children clear of the area while we work
Get a quote
The more we know about the job, the more useful the quote. Let us know the location, the problem and roughly how many joints, and email pictures if that’s easy.