Chimney Repair - RSS Feed

Repair of chimney mortar joints.

Thu, 04 Sep 2025 05:54:40 -0700

Rooftop Chimney cleaning and Repair services.
Please visit us at: http://rooftopchimneyandroofservices.com/ or Call at (503) 653-3819 for a free estimate.

You can also check us out on Twitter (@RooftopPortland), Facebook, Google+.

This video shows a chimney with the worn mortar joints ground out and new mortar being placed in the joints with the use of a grout bag.

How to Patch a Chimney - EASY!

Thu, 04 Sep 2025 05:54:40 -0700

If you're having issues with your chimney and need to patch it yourself, this is how you do it! This vinyl concrete is extremely easy to use and is designed not to crack. Quikretes manufacturing instructions outline exactly how to use this product and is a big part of what my video goes off of.

This specific chimney is made out of cinder blocks and was cased with some sort of concrete. There have been multiple patch jobs on this it appears as I can see some fiberglass strands in the surface concrete here. This same type of patch that I'm using will work with any type of brick and concrete chimney.

The steps are as follows:
1) remove any loose pieces
2) use a wire brush to further remove debris and moss
3) use a soft brush to clear the dust and dirt
4) mix the mortar
5) spray water in areas you are about to apply vinyl concrete to
6) apply concrete and let sit for 15-30 minutes
7) use a float to smooth out the concrete
6) keep the concrete wet for a few hours if possible to prevent cracking and improve bonding.

If you have any questions or if you're a professional mason, drop down a comment below and either I'll help you out, or you can help me and the other viewers out.

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Tools Used:
⚒️⚙️????️????????????????

Vinyl Concrete: https://amzn.to/37j3XcT
Wire Brush: https://amzn.to/2IRKt5Z
Soft Brush: https://amzn.to/3oS7bKu
Pointing Trowel: https://amzn.to/2WevwOk
Flat Trowel: https://amzn.to/2JYu0O1
Spray Pump Bottle: https://amzn.to/37kxy5I
Foam Float: https://amzn.to/3nyyJnK

#ChimneyPatch #ChimneyRepair #HowTo

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Save Thousands With This DIY Chimney Stack Repair

Thu, 04 Sep 2025 05:54:40 -0700

????CHECK OUT OUR OTHER GUIDES
https://www.youtube.com/playlist?list=PLvRh7uimDQfddLu9kc-cCSBds9xNeoUiU

Summary

???? Preparation & Assessment: Roger inspects the chimney stack and explains the damage. The cement pointing had failed due to frost, leading to loose mortar and bricks.

???? Chasing Out Mortar: The old mortar is removed using a grinder and chisel, ensuring a clean depth of 20-25mm for reporting.

???? Lime vs. Cement: The issue with cement pointing is that it traps moisture, damaging the structure. Lime mortar (NHL 5) is selected for flexibility and durability.

???? Brick Replacement & Color Matching: New imperial-size bricks are chosen to match the existing structure for an aesthetically seamless repair.

???? Pot Reinstallation & Flaunching: The old flaunching is removed, and the pots are checked for cracks. They are reset securely using slates for added support.

???? Structural Tying: To correct the chimney’s outward lean (15mm deviation), helical ties are installed into the brickwork to reinforce stability.

???? Resin Bonding: The helical ties are embedded in resin and concealed under the pointing to blend with the original chimney.

???? Final Coating: A storm dry coating is applied to keep moisture out while allowing the chimney to breathe, preserving its longevity.

Insights Based on Numbers

???? 20-25mm Depth: The mortar was carefully chiselled out to this depth, ensuring a solid repointing foundation.

???? 15mm Lean: The chimney had shifted over time, necessitating structural reinforcement.

???? Every Fourth Course: Helical ties were installed at every fourth brick course to secure the structure effectively.

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#homeimprovement #diyprojects #chimneyrepair

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How To Do Chimney Flashing

Thu, 04 Sep 2025 05:54:40 -0700

One of our owners demonstrating how to do chimney flashing on a roof replacement!

Repairing your brick chimney: Part 4. Repair and replacement of bricks

Thu, 04 Sep 2025 05:54:40 -0700

What do you do when bricks in a chimney are damaged or eroded? Using our Old House Project as an example, we cover what to look for, replacing an eroded brick, repairing a fractured brick, pointing with lime mortar, after care and why bricks have a frog.

Other videos in the series:
1. Introduction: https://youtu.be/mjmldXlmhAc
2. Flaunching and mortar fillets: https://youtu.be/-E_Ww9Wnk6s
3. Repointing: https://youtu.be/tTxXYw-6vLQ

For further information on this topic, download our Technical Advice Note on fireplaces, flues and chimneys: https://www.spab.org.uk/sites/default/files/SPAB%20Technical%20Advice%20Note_Fireplaces%2C%20Flues%20and%20Chimneys.pdf

Have a question about an old building? Phone our free advice line on 020 7456 0916, Monday-Friday 9.30am-12.30pm or visit our website for FAQs on caring for historic buildings: https://www.spab.org.uk/advice

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The Society for the Protection of Ancient Buildings (SPAB) believes old buildings have a future. From cottages to castles and from churches to cathedrals we are here to help buildings and the people who care for them. Through our unique training schemes, courses, advice and research we help people put our expertise into practice.

https://www.spab.org.uk/
37 Spital Square, London E1 6DY

With special thanks to Lynn Mathias.
Filmed at our Old House Project St Andrew's in Boxley, Kent by @photography.tuition
Music: Ed Cook Sound

CHIMNEY REPAIR (Part 10) Mike Haduck