Only if the piping is leaking, or if you get a lot of condensation
under a foundation of a sub.
under a foundation of a sub.
suport the sub floor
to support the sub floor.
Usually yes, a well insulated sub-floor will save you lots of money from heating. You can choose to build a sub-floor on 2x4 lumber with moisture barrier or use those sub-floor tiles (usually come in as 2x2).
Shortage of fresh water, and the difficulty in having toilets that would flush without causing the sub to sink.
Shortage of fresh water, and the difficulty in having toilets that would flush without causing the sub to sink.
Dricore
The type of underlay you need will depend on the type of sub floor or floor you are putting the laminate on is made of. If the sub floor is made of concrete, you would want vapor barrier underlay. If the sub floor is made of wood a standard or premium underlay would used.
Yes, a laminate floor will do just fine in your kitchen. Unlike wood floors, the laminate is very resistant to damage from moisture. Be sure the sub-floor is prepared properly, however! Sever water damage to a sub-floor can cause warping and buckling if the proper materials are not used. If this happens, damage to the sub-floor will telegraph problems into your new laminate floor, causing it to warp and buckle as well. Hire a qualified contractor to install your floor who knows what he's doing and who follows all appropriate building codes. But a sloppy dog probably isn't much to worry about. :)
Absolutely.
If you're installing hardwood floor boards over a strong 3/4 inch plywood sub-floor, then yes, you can install the hardwood floor parallel to the joists. If your sub-floor is weak, then you should fix the subfloor.