Is It Worth Insumating Unfer Basement Floor
There are two types of crawl spaces ventilated and unventilated and each requires its own form of insulation.
Is it worth insumating unfer basement floor. 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. Buildings tend to lose heat in descending amounts form the top down. Insulation also helps to preserve the air quality and reduce energy costs. The goal however is the same.
Floors above cold spaces such as vented crawl spaces and unheated garages. Jerry thanks for the comment getting back to you after the holidays. Underfloor insulation can take a variety of forms. 4c as an alternative to floor insulation foundation walls of unvented crawl spaces.
Insulation projects are often focused on exterior walls and attics. I have an almost identical installation in my home basement. 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. You want the most insulation in the attic tapering down to the base.
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. 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. If you live in a cold climate then you re no stranger to cold concrete floors in the winter. Check out the guide to insulating basement walls link above.
Also insulate 4a any portion of the floor in a room that is cantilevered beyond the exterior wall below. 4b slab floors built directly on the ground. 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.
For homes without basements and those with unheated cellars adding insulation can bring heating costs. Nothing good will come from insulating on top of a wet basement floor. Without insulation heat and cool air are easily lost through the floor. For that matter don t do anything.
If you can t afford to fix the problem or don t want to invest the money do not insulate the floor.