What Shawn describes is exactley what I used on my van 4 years ago.
Cost around Ca$80/roll (approx 3 ft wide roll, one roll more than
enough to do the van, even using 4 layers in places).

Alistair

'82 westy, diesel converted to gas in '94
http://www.members.shaw.ca/albell/

On 22-Jan-05, at 8:13 AM, Shawn Wright wrote:

> It is used in this area around window frames, especially on new houses
> with stucco,
> where water penetration in our wet climate is an issue (search on
> "leaky condos in
> BC" for more gruesome details). The stuff I've seen is a thick black
> rubber mat (1/16
> to 1/8" thick) , with a peel off plastic on one side revealing
> adhesive, and a light blue
> plastic coating on the exposed side. My neighbour also used it where
> the concrete
> porch is poured up against the rim joists. I don't recall the name,
> but maybe this
> description will help locate it. About one in 5 houses on my street
> used it during
> construction in the past 2 years. I think it may be the same stuff
> used as roofing "ice
> guard" in climates prone to such problems.