Chimney Smoke Draw & Pressure Testing

There are two types of smoke test in the industry, referred to quite simply as 'Smoke Test I' and 'Smoke Test II'. The differences are quite simple as we detail below - but only one is offered as a stand-alone service, while the other is completed as part of a chimney sweep.

Smoke Test I (‘pressure test’)

A smoke test type 1 is used to test the integrity of the flue. If a chimney stack had any integrity issues, whereby the smoke was able to leak out into the property, the smoke test type 1 would highlight these areas in order for them to be remedied. To carry out this test the flue is sealed off at the fireplace, access is gained to the top of the chimney to seal off at the top of the pot. With pressurised smoke within the flue system we inspect for any smoke evacuation points (leaks). Any leakage points will be highlighted and any additional work required provided with an estimate to return to rectify.

The cost of the Smoke Test Type one is dependent on the height and access to the chimney stack. We have based our listed pricing on a typical single or two story height property with a standard height chimney accessible with roof ladders. Please bear in mind in some cases scaffolding would be required, which would of course be an added cost.

Smoke Test II (‘smoke evacuation test’)

A smoke test type 2 is carried out as standard after a chimney sweep, on systems whereby we can not confirm with certainty that the brush has cleared the top of the flue, or where we want to test the draw of the flue. It is usually done by heating the flue at first and then lighting a smoke bomb to see how well the smoke evacuates.

Our smoke evacuation test (smoke test type two) is included as part of all of our sweep packages when required.

Chimney Pressure Test

Ideal for you when:

✓ You are looking to begin using an existing chimney
✓ The internal condition of the chimney is unknown
✓ You are looking to have steel liner put down for a new stove (chimney integrity must be checked first)
✓ You need to be sure no smoke or dangerous gases will leak into your home or adjoining properties

£175 + VAT (£210 total)

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David Husband

Great service again, you literally couldn't fault the job they do, they are spotlessly clean whilst they work. Jack serviced our fire this year and he is a lovely fella just like Deri. Very happy to recommend again this year.

Don Skelton

Deri supplied, fitted and commissioned a log burner for us. Polite, professional, kept us informed at all stages. Turned up when he said, worked like a trooper all day & made a fantastic job & a great explanation of all things log burners. If your looking for a professional job, give Deri a shout, I doubt you’ll be disappointed… Now had Deri & Jack back for several services… top job, clean tidy & professional

Dods Arnold

Excellent service.... good advice....not overpriced..... Will certainly use them next year.. ..thank you Jack for brilliant service

Janet Prosser

Excellent service, covers on floors, covers on the front of log burner. Jack text when he was near to coming with an eta. Very friendly and did a great service on our log burner. All clean and tidy. Thank you

Rob Edwards

We purchased our woodburner from Calon Yr Adref after looking for a local business with a personal approach. They did not disappoint! Deri was quick to respond and very accommodating to all our needs. He sorted all the parts to create the perfect install and arranged postage for us. His service from start to finish was excellent. Everything went together a dream and was exactly right for the space. We would highly recommend supporting this growing business, they are fantastic folk! Thank you so much!

Martin Collins

Highly recommend these guys, from start to finish, they provide a faultless service. Both easy going lads, but very professional, with a wealth of knowledge for their trade. We have had 100% honesty, and a job completed to a really high standard.

Tony & Julie

Deri and his team carried out a thoroughly professional job of providing and installing a gas stove at our home including the final connection to our gas supply. Thank you.

Fred Rees

After previously using Calon Y Adref a couple of months ago, I have had Deri and Jack come back to install an excellent stove that was recommended by Deri, absolute class service from start to finish, yet again Calon Y Adref have exceeded my expectations, full supply and fit carried out with top class work. You won’t find better in the county or beyond, thank you again guys top job!!!!

Geraint Lewis

Excellent service

Samantha Crowfoot

Excellent job - friendly, very knowledgeable, will definitely use again

Claire Rees

Fab service. Thanks. Jack was friendly, methodical and did a great job.

Jac Hall

Jack came today instead of Deri, but was equally cheerful and efficient, and did a very good, thorough, clean job. Wholeheartedly recommend!

Osian Jones

Messaged to check if they covered my area to do a chimney repair. Unfortunately they didn't but Deri took the time to send a video explaining the steps he would take to try and resolve the problem. Didn't have to, but shows what a professional he is by doing it. Would highly recommend. Thanks again for the help

Carl Clement

Superb service, Deri is knowledgeable, helpful and a pleasure to have in our home. Chimney swept quickly and professionally, useful advice for a first time stove owner, and even performed some additional maintenance for us. Highly recommended.

F Rees

Deri came to my home today and worked above and beyond, I highly recommend him he has heaps of knowledge and runs a very professional business. Thank you very much!! I will without a doubt use him in future.

Peter Howell

Your expert advice, the installation with a chimney check and a new cowl were of the highest standard, with an organised work plan in a quiet engaging working atmosphere. Guaranteed to be the perfect combination at the ‘HEART of the HOME’. DIOLCH YN FAWR IAWN. Gwynne, Mary, Peter

Julie Griffiths

Thank you Derri and Jack your workmanship is incredible and you have transformed my fireplace. You were both polite and made me feel reassured that I was in safe hands. Nothing was a bother and you left the place clean and tidy every evening when you left. I recommend this skilful pair even if it means waiting for them. Derri still in touch to support me with what fire surround to have if I decide to have one. Thank you both for helping me on my long journey to make my place look amazing

Owen Pollard-Rice

Deri made an excellent job of our installation and finished to a very high standard. His workmanship is not common these days as he takes the time to make sure everything is completed to a high standard and really takes care to look after your property. I would thoroughly recommend him for any installation.