Hertfordshire · AL8

Intumescent & Smoke Seal Replacement in Welwyn Garden City

Need a fire door seal replacement in Welwyn Garden City? Tell us the building and roughly how many doors, and we will confirm a fixed price before booking.

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: Welwyn Garden City
County / area: Hertfordshire
County council: Hertfordshire
Postcode district: AL8
Region: East of England
Population: Around 52,000 people
Fire safety law: England: Fire Safety Order 2005 + regulation 10 above 11 m
Nearest town: Hatfield (4 km)

What kind of buildings in Welwyn Garden City need fire door work?

Welwyn Garden City has smaller blocks of flats, flats above shops, care homes and schools, where a single day on site often covers every fire door. Welwyn Garden City jobs start with a short call to agree access, followed by a fixed price in writing.

What you get in Welwyn Garden City

Threshold or drop-down seals where smoke control is required
Seals on hanging, closing and head edges, and meeting stiles on pairs
Intumescent-only or combined intumescent and smoke seals as required
Gap readings checked so new seals can work
Survey of the seal type, size and position for each door

Paint	Smoke seals free of paint so they can work.
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.

Full details on our intumescent & smoke seal replacement page.

Why Welwyn Garden City clients choose us

Photos of every defect

You get photographs of every defect found in Welwyn Garden City, linked to a door reference you can find again.

Same report everywhere

Whether your building is in Welwyn Garden City or across the country, the report format, defect grading and pricing are the same.

One contact

One point of contact for inspections, repairs and replacements across Welwyn Garden City and Hertfordshire.

Fire safety law that applies in Welwyn Garden City

Welwyn Garden City is in England, so the Regulatory Reform (Fire Safety) Order 2005 applies to the common parts and non-domestic premises, and regulation 10 adds quarterly communal and annual flat entrance door checks in residential buildings with storeys over 11 metres.

Welwyn Garden City guide prices

Typical Welwyn Garden City prices: £45–£110 per door (ex VAT). Minimum visit from £145. Get a guide price for your Welwyn Garden City building.

Questions from Welwyn Garden City clients

Will new seals fix a door with big gaps?

No. Seals only work within the gap they were tested with. Gaps outside tolerance need the door adjusting first.

Which fire safety law applies in Welwyn Garden City?

Welwyn Garden City is in England, so the Regulatory Reform (Fire Safety) Order 2005 applies, together with the Fire Safety (England) Regulations 2022 for multi-occupied residential buildings.

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.

Can you price remedial work in Welwyn Garden City from another company's report?

Yes. Send the report and we will price each line for your building in Welwyn Garden City, or revisit specific doors if the report lacks detail.