don't even think of bringing your gas-guzzling motor boat here. the water in the lakes would be protected by a 6-foot-thick underground wall and would allow for the cultivation of fish and
the thickness of interior walls is dictated by stud width and wall covering. standard 2-by-4 studs are 3 1/2 inches wide and drywall is 1/2 inch thick, so interior walls are usually 4 1/2 inches thick. exterior wall thickness depends on siding material. the recommended maximum is 12 inches.
the typical interior wall thickness in newer construction using 2-by-4 studs and half-inch drywall is 4.5 inches. 2-by-6 studs are typically used in walls that contain plumbing, making those walls 6.5 inches. exterior wall thickness varies, depending on the exterior finish, siding and brick facing.
thick walls also take up space, which on small urban lots can be a challenge 1. in all but mild climates, exterior walls should be thick due to holding extra insulation: anywhere from 7 to 16" of it. by using foam board, thinner walls can be achieved, although there are environmental tradeoffs (see envelopes in the energy section). thick walls
window and door jamb depth needs to increased with 2x6 walls. these extension jambs cost $575 in my example. the extra thickness fiberglass insulation added $145 to the cost. the total up-charge for my hypothetical house would be $1,020. larger houses or ones with more exterior wall surface area, windows, and doors will obviously cost more
the most common thickness of drywall used in residential interior construction is 1/2 inch. this material is recommended for walls with studs placed 16 inches on center. if the wall studs are placed 24 inches on center, a 5/8-inch drywall is recommended.
q&a / energy savings and exterior wall thickness energy savings new construction text: tim carter. dear tim: my husband and i are getting ready to build a new home. we want to spend as little as possible on heating and cooling fuel costs. 2 x 6 wall studs are two inches deeper than standard wall studs allowing you to add more insulation.