Thinking about removing or renovating an old fireplace? Depending on its age, there could be asbestos-containing materials hidden behind or around it.
Before getting started, it’s worth knowing what you might be dealing with. This guide explains where asbestos can be found around fireplaces, how to check for it and what to do if you suspect it’s present.
Can an Old Fireplace Contain Asbestos?
Yes, some older fireplaces and heating installations contain asbestos. It was historically used in certain heat-resistant and insulating materials, particularly those fitted behind or around fireplaces.
However, not every old fireplace contains asbestos, and the decorative fireplace itself may be completely asbestos-free.
Fireplaces in properties built or refurbished before 2000 are worth checking, but it’s also important to consider when the fireplace was installed or altered. An older property may have had its fireplace replaced, while newer fittings could conceal original materials.
Where Might Asbestos Be Found Around a Fireplace?
Asbestos may be present in several components of an older fireplace installation, including materials that aren’t immediately visible.
Behind Fireplaces: Backing Boards and Fire-Resistant Panels
Some older fireplaces have heat-resistant boards or panels fitted behind or around them to protect surrounding building materials.
These may include asbestos insulating board (AIB), which can look similar to ordinary plasterboard or other non-asbestos fire-resistant panels.
For more information about this material, read our guide to asbestos insulating board.
Fireplace Surrounds and Hearths
Materials such as brick, natural stone, cast iron and ceramic tiles aren’t inherently asbestos-containing.
However, some older fireplace installations may have asbestos-containing boards or protective materials fitted beneath or behind decorative surrounds and hearths.
This means removing an apparently asbestos-free surround could expose older materials that weren’t previously visible.
Chimney Flues and Older Fireplace Components
Asbestos was also used in certain older chimney and heating systems, including some asbestos-cement flue pipes and heat-resistant components.
Some older stoves and heating appliances also contained asbestos rope seals or gaskets designed to withstand high temperatures.
However, ordinary brick chimneys and firebricks aren’t automatically asbestos-containing. The materials used depend on the installation and any alterations made over time.
How Can You Tell If a Fireplace Contains Asbestos?
You can’t reliably identify asbestos in a fireplace just by looking at it. Some asbestos-containing boards and heat-resistant panels can look almost identical to modern asbestos-free alternatives, particularly when they’ve been painted or plastered over.
The age of the fireplace and any previous alterations may provide some clues, but neither can confirm whether asbestos is present.
Important: Never scratch, drill, break or remove suspected asbestos-containing boards or fireplace components to try to identify them. Doing so could release harmful asbestos fibres if they’re present.
What Should You Check Before Removing or Renovating a Fireplace?
Before starting a fireplace renovation, it’s worth establishing exactly what materials could be affected by the work.
Here are five things to consider:
- What work are you planning? Replacing a decorative surround is different from removing the entire fireplace or opening up a chimney breast. Consider which materials will need to be disturbed.
- When was the fireplace installed? Check whether the fireplace has been replaced or altered over the years. Previous renovation records or photographs may help establish when different components were fitted.
- Are there any existing asbestos records? Previous asbestos surveys or building records may identify materials around the fireplace. Check that the information covers the areas you’re planning to work on.
- Could there be concealed materials? Removing a surround or opening up a chimney breast may expose backing boards or other materials that aren’t currently visible. Don’t remove unidentified components simply to investigate what’s behind them.
- Do you need a professional assessment? If asbestos could be present in materials affected by the renovation, arrange for a competent asbestos professional to assess them before work begins.
If your renovation involves removing a gas fire, you’ll also need a Gas Safe registered engineer to disconnect it safely. Work involving structural alterations to the chimney breast may require additional professional assessment.
When Is Asbestos Testing or a Refurbishment Survey Needed?
If you’ve identified a particular board or panel that may contain asbestos, a professional asbestos survey can help assess the material. Where necessary, a suitably trained professional can take a representative sample for analysis by a UKAS-accredited laboratory.
However, testing one component doesn’t automatically confirm that everything behind or around the fireplace is asbestos-free.
For more intrusive projects, such as opening up a chimney breast or removing concealed building materials, a refurbishment and demolition (R&D) survey is generally needed before work begins.
Unlike a standard management survey, an R&D survey involves intrusive inspections to identify asbestos-containing materials that could be disturbed during refurbishment. The survey can be limited to the areas affected by the planned work rather than covering the entire property.
What Should You Do If You Find Suspected Asbestos During Fireplace Work?
If you uncover an unfamiliar board or other material while removing a fireplace, stop work until it’s been properly assessed.
In the meantime:
- Avoid further disturbance of the suspected material.
- Keep others away from the affected area.
- Don’t sweep, brush or use a domestic vacuum cleaner to clear up suspected asbestos dust or debris.
- Seek professional advice to establish whether asbestos is present and whether specialist cleaning or removal is necessary.
Discovering an unfamiliar material doesn’t automatically mean it contains asbestos or that you’ve been exposed. However, you shouldn’t resume work until the material has been identified and any necessary precautions are in place.
Does Asbestos Around a Fireplace Need to Be Removed?
Not necessarily. Finding asbestos around a fireplace doesn’t automatically mean the entire fireplace needs removing.
The appropriate course of action depends on the material involved, its condition and whether it’s likely to be disturbed. Some asbestos-containing materials can be left in place and safely managed, provided they’re in good condition and unlikely to be damaged.
However, if you’re planning to remove or renovate the fireplace, any asbestos-containing materials affected by the work may need specialist treatment or removal beforehand.
Concerned About Asbestos Around Your Fireplace?
If you’re renovating an older fireplace or have uncovered materials that you suspect contain asbestos, Malrod can help.
We provide professional asbestos surveys and domestic asbestos removal services, helping homeowners and property managers identify and deal with asbestos-containing materials safely.
To discuss your requirements, call 01942 811591 or complete our contact form and a member of our team will be in touch.
Asbestos Fireplace FAQs
Does a Cast-Iron Fireplace Contain Asbestos?
Cast iron itself doesn’t contain asbestos, but some older cast-iron fireplace installations may have asbestos-containing materials fitted behind or around them for heat protection.
If you’re restoring or removing a period fireplace, it’s important to consider the surrounding materials rather than assuming the entire installation is asbestos-free.
Can Asbestos Be Hidden Behind a Boarded-Up Fireplace?
Yes. Some older fireplaces were covered or boarded up without removing all the original components, meaning asbestos-containing backing boards or other materials could still be concealed inside.
If you’re planning to reopen a fireplace, don’t break through or remove unidentified boards without establishing whether asbestos could be present.
Is It Safe to Use an Old Fireplace That May Contain Asbestos?
The presence of asbestos doesn’t automatically mean a fireplace is unsafe to use. However, the risk depends on where the material is located, its condition and whether using the fireplace could disturb it.
If you suspect asbestos is present, have the affected materials professionally assessed before using the fireplace. You should also have the fireplace, chimney and any associated heating appliance checked by a suitably qualified professional to establish whether they’re safe to operate.
