Intumescent strips and smoke seals in Harpenden: what's involved
Looking for intumescent strips and smoke seals in Harpenden? We supply and fit certified fire doors and components across Harpenden and the wider Hertfordshire area, working from a free survey and a fixed written quote.
Harpenden has a broad mix of buildings, including family homes after loft conversions, care homes and small offices, and the same fire door principles apply to all of them.
Painted and missing seals are among the most common fire door defects nationally; in Harpenden we replace them with the type and size the certification specifies. Seal replacement in Harpenden can be combined with any other remedials on the same inspection report.
Pads, linings and hidden protection
Fire doors also rely on intumescent material you cannot see: pads behind hinges, linings around lock bodies and glazing seals. Where these are missing or damaged, we fit the correct items as part of the work.
As standard, the work covers:
- Removal of damaged or painted seals
- Identification of the specified seals
- Intumescent pads to hinges and locks
- Brush or blade smoke seals
Fire door law for Harpenden properties
In Harpenden, as elsewhere in England, the starting point is the Fire Safety Order 2005: whoever controls a workplace or the shared parts of a residential block must make sure its fire doors work. When doors are replaced, the Building Regulations and Approved Document B set the standard the new work has to meet.
Blocks above 11 metres have a specific routine under regulation 10 of the Fire Safety (England) Regulations 2022: quarterly checks of communal fire doors and annual best-endeavours checks of flat front doors. If your Harpenden building is a higher-risk building under the Building Safety Act 2022, we confirm the approval route with the Principal Accountable Person before any work is ordered.
Buildings and duty holders in Harpenden
The need for intumescent strips and smoke seals usually arises in blocks of flats or offices, and sometimes schools. Each has its own pressures, such as residents at home or a building that must stay open, so we plan the sequence of work in Harpenden to keep escape routes protected throughout.
From enquiry to handover in Harpenden
- Identify door certification and seal specification
- Remove failed seals and clean the grooves
- Fit new strips and seals to the specified positions
- Fit missing pads and lock linings
- Check the door closes and latches against the new seals
- Record the products fitted
Guide prices in Harpenden
If you need a budget figure first, the guide for intumescent strips and smoke seals is £45–£110 per door to supply and fit strips and seals, ex VAT. We firm that up after a survey, pricing each door separately so you can see where the money goes.
Around Harpenden
Nearby towns we cover include St Albans, Luton and Hemel Hempstead. Distance from Harpenden does not change our guide prices, and the survey and quote are free.
Common questions
Is Harpenden within your coverage area?
It is. We cover Harpenden in Hertfordshire and neighbouring towns such as St Albans. There is no charge for the survey.
How quickly can you survey in Harpenden?
It depends on the number of doors and access, but we offer survey dates as soon as we reply to your enquiry. If an inspection has found urgent safety issues, tell us and we'll prioritise.
Do all fire doors need smoke seals?
Only where the door is specified for smoke control, such as FD30S doors. Many doors on escape routes and flat entrances are specified this way.
Can I just add intumescent strips to an ordinary door?
No. Strips do not turn an ordinary door into a fire door. They only work as part of a door that was tested and certified with them.