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Re: icf walls

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I've used them on several projects and they seem to have worked OK up to two storeys. 
My biggest concern is the completeness of concrete filling, especially on the 6" walls, where we have experienced some honeycombing and incomplete vibration near the base of the wall.  Good concrete placing habits are a must.  Some building inspectors have expressed concerns about effective water proofing.  That has happened in areas with poor concrete consolidation.  One must rely on the forms for proofing unless another membrane is attached (probably not the greatest of ideas).  Repair requires removal of the forms etc.
Thor A. Tandy P.Eng MIPENZ
Victoria BC
email: vicpeng(--nospam--at)
----- Original Message -----
From: Mark Baker
Sent: Friday, June 27, 2003 11:03 AM
Subject: icf walls

Is anyone designing with the insulated concrete forms in residential construction? I have a project using this product, 6" flat panel, not the waffle type and would like to discuss various issues with anyone who has some experience.