Project

Chessington Chimney Project

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Restoration Of A Chimney Stack Using Traditional Methods

Project Overview: This case study focuses on the restoration of a deteriorated chimney stack. The existing chimney was in poor condition and required extensive repairs. The project involved dismantling the chimney down to the ridge height of the existing roof, safely storing the chimney pots, repointing the top, and fully restoring the structure. The restoration work aimed to match the original design and employed traditional lime mortar mix and reclaimed Tudor bricks.

Background: The chimney stack in question had suffered significant damage and decay over time. The deterioration had led to structural instability, compromised bricks, and failing mortar. To preserve the integrity of the chimney and restore its original aesthetic, a comprehensive restoration plan was devised.

Dismantling and Preservation:  The restoration process commenced with the careful dismantling of the chimney down to the ridge height of the existing roof. During this phase, the existing chimney pots were removed and safely stored, ensuring their preservation for future use.

Repointing and Restoration: After the chimney was dismantled, attention turned to the top section. The top was repointed, which involved removing deteriorated mortar joints and replacing them with a fresh mortar mix. This step aimed to strengthen the chimney’s structure and prevent further damage.

Brick Replacement and Rebuilding: To restore the chimney’s body, the damaged and spalling bricks were systematically replaced. Reclaimed Tudor bricks were sourced from a reclamation yard to ensure a perfect match with the original brickwork. These reclaimed bricks not only provided structural stability but also contributed to the chimney’s historical authenticity.

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