In actuality if the basement does not have zoned heating and air, the insulation will probably make the area cooler in the winter. The warm air from the first floor will. However, if youre planning a basement thatll be used as living space, then youre going to need to fully insulate the walls and floor. If it this was previously done inadequately, you might have to throw everything away and start afresh. In the end, its your choice how far to go. Oct 21, 2016Insulating basement ceiling. They suggest adding insulation for basement walls if you plan to use the space as a living space; for example, perhaps finishing it off as a playroom. Insulate basement ceilings if youre merely looking to mitigate heat loss and potentially lower your energy costs. You would insulate it by building a false wall in front, insulating with fiberglass batt's(sp? ) and putting on a vapor barrier of plastic. For the false wall, some do 2x4's, others 2x3's. Some put the studs on 16 centers, others 2 If you ever plan on finishing off the basement, I would recommend 2x4 16. Feb 10, 2018# diycrew# hrvdiy# renovision Controlling moisture is the easiest way to eliminate mold in a basement. Here is a great system to do that! Visit our Amazon Store to find tools and products that Jeff. May 14, 2014Thanks for your help Mike. I've removed the styrofoam insulation from the basement and will frame it, Insulate with Roxul drywall and no VOC paint as the vapour barrier. The walls were completely dry when we removed the foam. My question is should I leave a 1air space between walls and Insulation or can the ruxol be against the wall. Once people start thinking about basement insulation one of the first things they ask is whether they should insulate their basement walls or their basement ceiling. Wall insulation slows the heat loss from your basement to the outside. Ceiling insulation slows the heat loss from the first floor of your home into the basement. Nov 21, 2015Sound is the most common reason to insulate a basement ceiling, but if you have an old home with a drafty or leaking foundation, an insulated ceiling may also give you better heat retention throughout the rest of the home. Although many people will argue that basement insulation is not important because the foundation temp stays a constant 55 degrees or so, and the wind does not blow 8 feet underground. I still believe you should insulate when you finish your basement. Mar 27, 2015I'm in starting phases of finishing my basement and am uncertain if I should have the ceiling insulated. This would be more for sound proofing purposes rather than heating since we will be using the basement as a media room we actually don't mind if it's cold. 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; (4C) as an alternative to floor insulation, foundation walls of unvented crawl spaces. (4D) Extend insulation into joist space to reduce air flows. DON'T put visqueen or any plastic on the basement walls, it will trap moisture, the moisture barrier should be touching the drywall and raw insulation against the concrete 3. if you insulate or not, if you have a moisture problem, you are going to get mold. Insulation Materials Are The Key. The key to successfully insulating basement walls is selecting insulating materials that stop moisture movement and prevent mold growth. Basements are the perfect location for foam type insulation products. Cellulose is also an option for basements but its not a product that Ill cover here. Jun 29, 2012If you have a dry basement with no water entry issues and perfect interior drainage, and if the interior relative humidity of your basement stays low all year round including during the summer it's perfectly possible to use fiberglass batts or mineral wool to insulate the interior of your basement walls. Jan 04, 2013Avoid Using Fiberglass Insulation In Basements. Basement insulation installed incorrectly is one of the most common Contractor errors I see on a regular. Often times the results are disastrous with severe mold and mildew problems, not to mention the loss of heating bill savings that mounts up over time. Jun 20, 2008(Of course, the same insulator said how insulating the ceiling would cause two zones and the pipes may freeze, however, he also said that the basement should stay around 55' if you insulate the top part of the cellar walls that are exposed to the outside and no need to do the ceiling). A water vapor fog on a concrete wall is absolutely invisible. This water on the walls is the needed fuel for mold and mildew growth. When you insulate a basement in order to finish it, you need to account for this water issue. There are two ways to insulate a basement that do a superb job.