Is It Worth Insumating Unfer Basement Floor

2 xps foam board against in my case board formed concrete framed up with 2 4 studs with a composite board under the bottom plate as a capillary break.

Is it worth insumating unfer basement floor.

Nothing good will come from insulating on top of a wet basement floor. Floors above cold spaces such as vented crawl spaces and unheated garages. Underfloor insulation can take a variety of forms. Creating an insulation layer and a vapor barrier between the concrete slab and the ground beneath it is the best practice in insulating basement floors.

While insulating these areas is important homeowners can also save money on their heating and cooling costs if they insulate the space under their floors. While it is always a good idea to insulate concrete slabs you don t need to do so especially in your climate. I have an almost identical installation in my home basement. To enclose the space in a thermal envelope.

For homes without basements and those with unheated cellars adding insulation can bring heating costs. Insulating a basement is a great idea if it wasn t insulated when built as before we began insulating foundation walls and below slabs see slab on grade it was generally estimated that basement heat loss accounted for about 1 3 of the total heat loss of a house it is likely that such an abysmal starting place made the addition of any insulation at all seem sufficient so basements built to. Jerry thanks for the comment getting back to you after the holidays. 4b slab floors built directly on the ground.

Also insulate 4a any portion of the floor in a room that is cantilevered beyond the exterior wall below. For that matter don t do anything. You want the most insulation in the attic tapering down to the base. If you can t afford to fix the problem or don t want to invest the money do not insulate the floor.

The goal however is the same. 4c as an alternative to floor insulation foundation walls of unvented crawl spaces. There are two types of crawl spaces ventilated and unventilated and each requires its own form of insulation. Without insulation heat and cool air are easily lost through the floor.

Insulation also helps to preserve the air quality and reduce energy costs. If you re planning on finishing a basement or portion of your home that has a concrete floor then it may be a good idea to insulate it before installing basement flooring. If you live in a cold climate then you re no stranger to cold concrete floors in the winter. If ground under the home is cooler than the basement temperature which is the case in almost every climate year round heat will naturally try to escape through the concrete slab.

Check out the guide to insulating basement walls link above.