I plan to build some interior walls offset of the block wall up to 4 feet.
Dow interior basement wall insulation.
Ecotouch insulation with purefiber technology is a practical choice for basements and all around the house because it is easy to use and environmentally sustainable.
Styrofoam brand insulation is a rigid insulation that can be placed directly on walls framing and drywall.
Basements provide for a very challenging insulation problem.
Basement wall insulation using rigid foam board full article.
On the interior the best insulation to place against the concrete or block is rigid foam without any facing such as foil or plastic sheeting.
Thermosetting resins from dow can be used as an alternative to traditional formaldehyde based resins for binding mineral fibers in the production of insulation blanket products that go into building insulation systems and specialty insulation.
Insulating interior basement walls with batts and rolls from r 11 to r 21 it s easy to add insulation to interior basement walls.
Learn more by watching this installation video.
Dow thermax sheathing is a rigid foam insulation that effectively reduces condensation for exceptional moisture protection.
It has nominal 1 0.
Best methods for insulating basement walls.
I ve written several articles on insulating basement walls and evolved some of my methods over time.
The place to control vapor migration is on the exterior of the basement wall in the form of waterproofing or damproofing.
This is where there is the utilities up against the block wall water pump heater etc.
One of the preferred products for insulating foundations is dow xps extruded polystyrene foam commonly called blue board in the trades.
Dow thermax sheathing is specially designed to have a class a fire rating and can be used in a range of concealed and exposed applications above and below grade.
Allows spacing for electrical wiring and other utilities.
Basements are a challenge because of high moisture levels and cooler temperatures.
Creates a finished appearance.
Insulating the basement or crawlspace walls of a home is a crucial step in lowering energy bills.
Because of the improved fire performance it is best suited for hourly rated assemblies.
I do have one question.
Thanx so much for your article on basement insulation and vapor barriers it was of great help.
Dupont styrofoam perimate insulation is your go to choice for insulating exterior basement walls.
The short answer is no you generally do not want a vapor barrier on the walls of a finished basement.
Unfortunately for most homeowners paying high energy bills that conventional thinking was wrong.