Hertfordshire · SG13

Intumescent & Smoke Seal Replacement in Hertford

Hertford landlords, managing agents and facilities teams can book fire door seal replacements with straightforward reports and fixed prices.

Intumescent seals are strips set into the edge of a fire door or its frame that expand when heated to close the gap around the door. Smoke seals, usually brush or fin seals, block cold smoke before the intumescent reacts. Both are part of the door's tested performance.

Town: Hertford
County / area: Hertfordshire
County council: Hertfordshire
Postcode district: SG13
Region: East of England
Population: Around 26,000 people
Fire safety law: England: Fire Safety Order 2005 + regulation 10 above 11 m
Nearest town: Hoddesdon (6 km)

Typical Hertford fire door jobs

Hertford has its share of converted buildings and older doors of unknown origin, where an inspection records what evidence exists. For fire door seal replacements, we group Hertford visits with nearby buildings wherever possible to keep your price down.

What you get in Hertford

Survey of the seal type, size and position for each door
Gap readings checked so new seals can work
Threshold or drop-down seals where smoke control is required
Old seals removed cleanly from the groove
Intumescent-only or combined intumescent and smoke seals as required

Size	Width and position match the door's evidence and gap.
Type	Intumescent only or combined with a smoke seal, to suit the door's rating.
Continuity	No breaks, overlaps or missing lengths.

Full details on our intumescent & smoke seal replacement page.

How we work in Hertford

Priced door by door

Every failed item in Hertford is priced separately, so you approve exactly what you want done.

One contact

One point of contact for inspections, repairs and replacements across Hertford and Hertfordshire.

Records you can use

PDF and spreadsheet records for every Hertford building, ready for your fire risk assessor.

Which fire door rules apply in Hertford?

As Hertford is in England, responsible persons must maintain fire doors under the Fire Safety Order 2005, give residents fire door information in buildings with two or more flats, and run regulation 10 checks where a storey is over 11 metres.

What will it cost in Hertford?

In Hertford, fire door seal replacements typically cost £45–£110 per door ex VAT, with visits from £145. Get a guide price for your Hertford building.

Hertford FAQs

What is the difference between an intumescent strip and a smoke seal?

An intumescent strip expands in heat to seal the gap during a fire. A smoke seal, often a brush or blade, blocks cold smoke at lower temperatures. Smoke control doors, marked with an S such as FD30S, need both.

Does regulation 10 apply to buildings in Hertford?

Yes, if the building is a multi-occupied residential building with storeys over 11 metres. Hertford is in England, so the quarterly communal door checks and annual flat entrance door checks apply to those buildings.

Do you work in occupied buildings in Hertford?

Yes. Inspections and repairs in Hertford can be carried out in occupied flats, schools, care homes and workplaces, with doors kept closable at all times.

Can intumescent strips be painted?

Brush and fin smoke seals should never be painted, because paint stops them working. Some intumescent strips tolerate a light coat, but the safest rule is to mask all seals before decorating and replace any that have been painted.