View Full Version : Hardieflex - 4.5mm or 6mm
4th Jan 2012, 03:50 PM
Which thickness should I use for external cladding? Is 4.5mm sufficient?
5th Jan 2012, 10:07 AM
hi. Any cladding grade material should be totally fine. The thicker material should have better thermal properties but t may not be a justifiable additional expense, given other insulation to be applied. You will be able to get good technical advice from the makers.
5th Jan 2012, 10:31 AM
If the area to be cladded is a ground floor (and so is prone to the bumps and knocks of family life, or tenants that may care even less...) I would only use 7.5mm (e.g Harditex/blueboard).
5th Jan 2012, 11:32 AM
Thanks for that.
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