If your chimney stack is causing problems in Stowmarket and you are waiting for a roofer to come out, knowing what to do in the meantime, and what not to attempt yourself, can save you from making the situation worse.
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A chimney stack that is no longer attached to a working appliance sits cold, exposed and slowly deteriorating. Without warmth rising through it, moisture settles into the brickwork and mortar. Frost works into the joints through winter, and the stack loosens from the top down. The flashing where the stack meets the roof is under constant movement stress and eventually fails. When it does, water tracks into the roof space and down into the rooms below.
Taking the stack down to below roof level removes all of those failure points at once. The opening is closed off with a tiled infill, the roof is made watertight, and the ongoing maintenance problem is gone. For most homeowners in Stowmarket with a chimney they are not using, removal makes more long-term financial sense than repeated repairs.
The stack is dismantled brick by brick from the top down to just below the roof surface. Access is always by scaffold - this is not work that can be safely done from a ladder. The remaining base is cut back flush with the roof timbers, and a timber-framed infill section is built into the gap, covered with felt, battens and tiles or slates to match the surrounding roof as closely as possible.
The old lead flashing is removed and the perimeter of the infill section is pointed to make a watertight seal with the surrounding tiles. Rubble from the demolition is brought down by hand or via a rubble chute, not dropped or tipped, to protect the roof and structure below. A single standard chimney stack produces a substantial amount of material, and disposal needs to be agreed with the contractor before work starts.
Chimney take-downs in and around Stowmarket typically cost between £900 and £2,500, depending on the size and height of the stack, how complex the roof junction is, and what access and waste removal arrangements are needed. That is a single cost with no further maintenance to budget for.
If you have identified a chimney problem and are waiting for a roofer to survey or carry out the work, there are a few sensible steps to take that will help protect your property in the interim.
Check the ceiling below the chimney breast after any significant rain. If you see new damp patches or water staining that was not there before, that tells you the flashing or the brickwork has already failed and water is getting in. Note the date and conditions when you first see it. This information is useful for a roofer assessing the cause, and it tells you how urgently the work needs to be done.
If you have access to the loft, look at the underside of the roof deck around the chimney stack during or just after rain. Daylight visible around the base of the stack on a dry day, or water staining on the felt or timbers, both confirm an active leak. Do not ignore this. A wet roof timber that stays wet will begin to rot, and a rotting rafter is a significantly more expensive problem than a failed flashing.
If the chimney pot or any of the top courses of brickwork look unstable, keep pedestrians away from the area directly below the stack, particularly during wind. Bricks falling from a stack are extremely dangerous. If you are seriously concerned about imminent structural instability, do not wait for a routine appointment - contact a roofer urgently and explain the situation clearly.
Sometimes fragments of mortar or pieces of pot fall before a roofer arrives. Clear any that have landed on the roof slope carefully from the ground if possible, or ask the roofer to clear the slope as part of their initial inspection. Debris sitting in a valley gutter or against a tile can cause localised water damming.
This is the section worth reading carefully. A chimney take-down looks like a manageable DIY project to some homeowners, but the risks are significant enough that the reasons deserve spelling out.
Working on a roof without a scaffold is dangerous even for experienced roofers, and doubly so for someone without roof-working experience. A steep pitch, wet tiles or simply an unexpected slip can cause a fall from height with life-changing consequences. No chimney take-down is worth that risk. If a contractor is willing to work without scaffold, that should make you reconsider using them - proper access is a basic requirement, not an optional extra.
A common response to a leaking chimney flashing is to buy a roofing sealant from a DIY shop and apply it from a ladder. This rarely works and often makes the eventual repair more complicated. Silicone sealants and expanding foam bond to the brick and tile surfaces in a way that is difficult to remove cleanly, and they do not address the underlying movement that is causing the flashing to lift in the first place. A roofer who then needs to relay the flashing properly has to spend additional time removing the sealant before they can start.
It has been tried. A loose pot needs to come down under controlled conditions from a scaffold, with someone on the stack guiding it and protecting the brickwork below. Pulling a pot from the ground risks it landing on the roof slope, breaking tiles, and potentially damaging the structure below. Leave pot removal to the roofer as part of the main job.
Some homeowners, wanting to save money on internal breast removal, start dismantling the brickwork from inside the fireplace opening. Chimney breasts are often loadbearing. Removing bricks without understanding the structural arrangement above them can cause collapse. This is work that needs a structural engineer's assessment and building regulations approval before a single brick is moved.
A good roofer will ask questions before starting work, but there is information worth having ready that will help them assess the job quickly and give you an accurate price.
Having clear answers to those questions means the survey can be thorough and the quote you receive will reflect the actual job, not a best guess.
If you have a redundant or failing chimney stack in Stowmarket, call us to arrange a survey. We will assess the stack, explain your options clearly and give you a price before any work begins.
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Call any time. Calls are answered day and night and passed straight to our roofers.
