Question about Garden
The purpose of a cavity tray is to deflect moisture that has seeped through the external layer of brick or mortor back out of the property via the tray. All bricks are porous to different levels (you can tell from the specs how porous).
good explanation here: http://www.lpg-portable-heaters.co.uk/conservatory/cavity_tray.htm
Cavity tray standards information is here http://www.cavitytraystandards.co.uk/viewarticle.asp?id=18
If this helps please leave feedback, if not let me know and I'll try and help some more!
Posted on Feb 04, 2010
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Posted on Jan 02, 2017
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