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North East England · England

Intumescent & Smoke Seal Replacement in County Durham

Intumescent & Smoke Seal Replacement throughout County Durham: from Darlington to Hartlepool, every door is inspected, photographed and logged, and remedial work is priced door by door.

Intumescent & Smoke Seal Replacement: 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.

Area
County Durham
Region
North East England
Postcode areas
DH, DL, SR, TS
Towns listed
13
Local authorities
County Durham, Darlington, Hartlepool, Stockton-on-Tees
Fire safety law
England: Fire Safety Order 2005 + regulation 10 above 11 m

What every job in County Durham includes

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

How does it work in County Durham?

  1. Identify

    We confirm the seal type and size the door needs.

  2. Remove

    Old or damaged seals are removed and grooves cleaned.

  3. Fit

    New seals are fitted in continuous lengths, mitred at the head.

  4. Check

    The door is closed and checked for binding or gaps.

Fire door law for County Durham buildings

Buildings in County Durham fall under English fire safety law: the Fire Safety Order 2005 requires fire doors to be maintained, and in multi-occupied residential buildings over 11 metres regulation 10 sets quarterly and annual checks.

  • Fire Safety Order 2005: fire doors must be maintained (article 17)
  • Fire Safety Act 2021: flat entrance doors are within scope
  • Regulation 10: quarterly communal checks and annual flat door checks above 11 m
  • Building Safety Act 2022: stronger record keeping and information duties

How much does it cost in County Durham?

Guide prices for fire door seal replacements in County Durham start from £145 per visit; typical rates are £45–£110 per door, ex VAT.

Intumescent & Smoke Seal Replacement by town in County Durham

Intumescent & Smoke Seal Replacement in County Durham: questions

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.

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.

Does regulation 10 apply to buildings in County Durham?

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

Do you cover the area around County Durham?

Yes. As well as County Durham itself we cover nearby towns including Darlington, Hartlepool and Stockton-on-Tees.

Other services in County Durham

Intumescent & Smoke Seal Replacement in County Durham

Missing, damaged or painted seals replaced with strips that suit the door's rating and gaps.