Essex · England

Fire Rated Sealant in Runwell

Intumescent and fire-rated sealant around gaps, frames and service penetrations in Runwell, with a one-year guarantee on every job. Ask us for a quote.

  • Fire seals that have cracked with movement
  • Door frames with gaps between frame and wall
  • Gaps left after a refit or conversion

Need fire rated sealant in Runwell?

Fire rated sealant in Runwell, done properly

A fire seal relies on being installed the way it was tested: correct depth, correct backing and a product suited to the surfaces. That detail is what we take care over, gap by gap. If you have fire stopping disturbed by later work and unsealed gaps around fire door frames, we can help, whatever the surface.

Community buildings, schools and small businesses around places like Runwell 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.

All our work is covered by our 12-month guarantee.

Eleven members of the Mr Mastic team standing in front of branded white vans
Place
Runwell (SS11)
Wider area
Essex
Guarantee
One year on every job
Price
Quoted before any work starts
Telephone
0345 464 0079
Page updated
26 October 2026

What we cannot put right

Before booking, it’s worth knowing the limits:

  • Openings too large for sealant, which need batts, boards or another system
  • Fire risk assessments, which need a qualified assessor
  • Walls or floors that weren’t built to resist fire

If you’re not sure, just call 0345 464 0079 or drop us an email and we will give you a straight answer.

Where we work in Runwell

  • Linear gaps
  • Door frames
  • Service penetrations
  • Plasterboard & masonry
  • Flats & HMOs
  • Pipe & cable gaps

How the job changes by surface

Service penetrations

Pipes, cables and ducts passing through fire-resisting walls and floors each leave a gap. The sealant is chosen for what passes through and how wide the gap is.

Plasterboard walls

In plasterboard walls, the condition of the board edge matters. Crumbling edges are cleaned back before the sealant goes in.

Quotes for fire rated sealant in Runwell

The quote reflects the job in front of us. We look at:

  • Working hours on commercial sites
  • The old material and how stubborn it is
  • The number and length of the joints
  • How many rooms, windows or areas are involved

Homes and businesses are quoted the same way: the amount of work, how we reach it and what it needs. Ask us for a quote and we’ll go through it with you.

What to tell us for a quote

You don’t need to know the technical terms. It helps if you can tell us:

  • The rough size of the job
  • If it’s domestic, commercial or a hotel
  • How we’d reach the joints
  • Pictures of the joints, sent by email

We quote each job on its own. Simply phone 0345 464 0079 or drop us an email and describe the job and send photos if you have them.

Should I try it myself first?

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.

A careful DIYer can reseal a simple joint, such as a straightforward joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.

What we do, step by step

We bring everything the job needs with us, so there’s nothing for you to buy. Once we’ve agreed what’s being done, the area is protected and the work begins. Most jobs take from a few hours to a few days, depending on the number of gaps and the access. For a job in Runwell, 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.

  1. We start with the survey or action list, checking the size and surfaces of every gap.
  2. Anything that isn’t fit for the job comes out, and the gap is cleaned.
  3. We put in whatever backing or fill the product detail specifies.
  4. Fire-rated or intumescent sealant is applied to the right depth and tooled.
  5. Locations and products are noted so you have them on file.

Before we arrive

  • Try not to wet indoor joints just before the visit
  • Let us know about parking restrictions
  • Keep children and pets away from the work area

Get a quote

For fire rated sealant in Runwell, phone 0345 464 0079 or email us. A short description of the job and where it is helps us quote, and we’ll agree the price before any work begins.

Ask for a quote

Read more

Common questions in Runwell

Can you do fire rated sealant in Runwell?

Yes, Runwell is within the area we cover. We work across London and the South East. You can phone 0345 464 0079 or send us an email and let us know what needs doing.

Can you help a landlord with a rental near Wickford station?

Yes, landlords and agents are among the people we work for. You can call 0345 464 0079 or send us an email with the details for a clear quote.

What should I tell you?

Tell us what needs doing and where, with pictures by email if possible. We will ask anything else we need to know.

Are you insured?

Yes. We are fully insured for domestic and commercial work.

Should I try DIY first?

It depends on the job. High-level, external movement and fire-rated joints are professional jobs.

Do you certify the fire stopping?

Ratings and certificates are not something we issue. The performance comes from the product’s tested details and the specification from your assessor or designer, and we install to them.

What sealant do you use?

Quality sealants from brands including Arbo and Everbuild, chosen to suit the joint. We explain the product when we quote.

Where do you work from?

We are a Crawley-based firm, with over 20 years’ experience. Our area covers South East England, London and Scotland.

Commercial buildings in Runwell

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.

Rented homes near Wickford station change hands often, and any gap left by new services in shared walls should be closed with a fire-rated product. Community buildings like Church of St Mary are part of the picture too: service openings in its walls need the right fire-rated sealant, as in any building.

Runwell is about 1 mile north of Wickford, in Essex. Runwell gets the same service as everywhere we cover: the old material taken out, joints prepared properly and a 12-month guarantee. We cover 644 towns and villages across Essex. Our Chelmsford page covers work nearby, about 8 miles away.

Postcode districts we cover here for fire rated sealant: SS11. That includes homes and businesses on Church End Lane, Viking Way and Canewdon Gardens and the roads around them. Other places close to Runwell include Wickford (1 mile south), Brock Hill (1 mile north-west), Shotgate (2 miles south-east), Battlesbridge (2 miles east) and South Hanningfield (2 miles north). We also work in nearby towns such as Chelmsford (8 miles north), Basildon (5 miles south-west), Brentwood (9 miles west), Maldon (10 miles north-east), Canvey Island (7 miles south) and Billericay (4 miles west).

Near you in Runwell

In Runwell, that means homes and buildings near Beauchamps High School and Quart Pot pub. For rail, the closest station is Wickford station, about 0.7 miles south-west of the centre. A little further out are Rayleigh Castle (4.2 miles south-east) and Battlesbridge Motorcycle Museum (1.9 miles east). Not far away are Shotgate Thickets.

Map of Runwell © OpenStreetMap contributors

Work for landlords, hotels and businesses

We also work for property managers and facilities teams. We can quote a run of properties together, and we’re fully insured.

Failed sealant is one of the commonest items on a check-out report, and it’s quick to put right between tenancies. We can quote for more than one property at once.

Do you need fire rated sealant in Runwell?

Buildings are refitted and reconfigured over the years. A house turned into flats or an HMO, or an office split into smaller units, brings new walls, new service routes and new gaps.

Common reasons people contact us include:

  • Fire stopping disturbed by later work
  • Sealant items on a fire risk assessment action list
  • Open gaps behind door architraves
  • New service routes left unsealed after building work

For site and facilities teams at buildings such as Runwell Community Primary School, gaps opened by contractors for new cabling are a common finding in schools and offices.

Questions to ask before you book

  • Is VAT in the price?
  • How the colour is chosen
  • What product goes in the joint
  • How hidden problems are handled

How to choose a mastic man

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job