To: "'seaint(--nospam--at)seaint.org'" <seaint(--nospam--at)seaint.org>
Subject: RE: Concrete Mix for low permeability
From: Paul Meyer <PMeyer(--nospam--at)HASimons.com>
Date: Tue, 27 Apr 1999 07:42:15 -0700
How about a roof?
Does anyone have any information concerning what to add to concrete mix or
specify for an overhead slab that is exposed to weather. It is needed to
minimize cracking and reduce permeability. I am designing around 4000 psi
and the slab has a room under it.