On Jun 9, 9:55�pm, "john" wrote:
laminate flooring and sheetrock dont stop radon gas, since its a gas
it travels verywhere thru tiny cracks.

Your saying 2 different things here. � Cracks are different then the solid
material. �So either your talking about the cracks...or your talking about
the material ? � �Im sure there are people here that would disagree with you
penetrating through sheetrock..... or half inch think flooring that has
padding and 6 mill. plastic.

Well radon is getting thru the concrete?

Radon can pass thru tiny cracks in concrete, plastic etc.

Its near IMPOSSIBLE to seal it out In a basement or crawl space it
can pass up thru the voids in concrete blocks, cracks that can come
and go where concrete floors meet block walls, any penetration of
concrete floor, like bolts holding bottom plate for wood wall, etc
etc. cant seal under a plate....


plus the laminate plastic underlayment probably isnt perfect, all
seems taped, seacured to walls etc. and even if it was no guarantee
that movement would dislodge it or make it porous someday.......

drill into the non heated garage side, the slight vacuumn should help

if thats not enough turn on radiant heat use infared sensor to find
cool spots in floor to drill thru.

they shouldnt of heated behind walls or likely closets.

theres lots of ways to accomplish this.......