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Williams Machin Newsletter – Due diligence: Your best friend, not your homework

Method of Shower Repair Waterproofing Conforms to AS 3740.

1. Remove existing wall tiles	2. Removal of wall tiles and remove floor tiles

3. Repair or replace broken wall sheeting if required	4. Repair or replace broken wall sheeting if required

NOTE: normally only one row of wall tiles is removed, however in this case due to broken wall sheeting more than one row had to be removed.
5. Remove broken wall sheeting and replace with new.	6. New wall sheeting installed, new mortar bed also installed

7. Waterproofing to AS 3740 installed.	8. New wall tiles and floor tiles installed prior to grouting.

NOTE: it is not always possible to obtain tiles that are a perfect match to the existing.
9. Floor and wall tiles grouted prior to cleaning.	10. Reinstall shower screen.

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Bath not installed correctly.

12. Bath OR Moulded shower base not installed correctly –
Bath – When NO shower is installed over the bath, although not installed correctly, if a
suitable flexible seal between the bath and wall tiles is applied and maintained in a good
condition, no significant or major damage should result.
Bath – When a shower is installed over the bath, If a shower is installed over an incorrectly
installed bath it is considered a Defect and rectification is recommended.
Moulded Shower base – A moulded shower base is the same as a bath with a shower
installed over it. If installed as diagram A, below, then is a defect and requires rectification.

Diagram A – Incorrectly installed Bath or moulded shower base	Diagram B – Correctly installed Bath OR moulded shower base.

Bath not installed correctly, although not installed correctly, if a
suitable flexible seal between the bath and wall tiles is applied and
maintained in a good condition, no significant or major damage
should result.