The Self Build Self Help Site Forming a chimney stack

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Doing Stuff

Block & Beam Floor Building a Chimney Flue Drains Fixing a Wall Plate Forming a Chimney Stack Insulating the Loft Keeping Water Out Landscaping Painting & Decorating Rendering a Gable End Replacing a Radiator Retaining Walls Roof Truss Installation Roof Windows
Forming a chimney stack

Click on the photos for a larger view

chimney stack in preparation


The front and back of the tray is turned down - eventually lead aprons will be inserted underneath. This photo shows well the role of the lead to prevent water going down into the house

chimney stack in preparation


The brick chimney is built, using sulfacrete cement to avoid formation of white deposits on the face of the bricks, caused by naturally ocurring sulphates in the bricks. Towards the top of the stack, two courses of brick have been brought out to provide a drip course, the wooden formwork providing a guide.

Two weep hole vents have been inserted in the bottom course of bricks on each side. .

chimney stack in preparation

A wooden formwork is made so that the lead aprons can be constructed to the correct size and angles.

chimney stack in preparation

The apron is welded to ensure a no leak seamless barrier to water.

chimney stack in preparation


The front and back of the tray is turned down - eventually lead aprons will be inserted underneath. This photo shows well the role of the lead to prevent water going down into the house

chimney stack in preparation


The brick chimney is built, using sulfacrete cement to avoid formation of white deposits on the face of the bricks, caused by naturally ocurring sulphates in the bricks. Towards the top of the stack, two courses of brick have been brought out to provide a drip course, the wooden formwork providing a guide.

Two weep hole vents have been inserted in the bottom course of bricks on each side. .

chimney stack in preparation

A wooden formwork is made so that the lead aprons can be constructed to the correct size and angles.

chimney stack in preparation

The apron is welded to ensure a no leak seamless barrier to water.

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