 | Mike Goebel
has been involved in the construction and home improvement industry for more than 40 years and is currently the Senior Vice President of the Home Center Division at Star Lumber & Supply Co. Inc. You may contact Mike by e-mail at mgoebel@starlumber.com or by phone at (316) 942-2221. |
Home Improvement
2003-01-01 11:40:00
Insulation... for the home
: What are the different types of insulation? Which is best for this area?
ANSWER: Although insulation can be made from a variety of materials, it usually comes in four types - batts, rolls, loose-fill, and rigid foam boards. Each type is made to fit in a different part of your house. Batts are made to fit between the studs in your walls or between the joists of your ceilings or floors. Batts are usually made of fiber glass or rock wool. Fiber glass is manufactured from sand and recycled glass, and rock wool is made from basaltic rock and recycled material from steel mill wastes. Rolls or blankets are also usually made of fiber glass and can be laid over the floor in the attic. Loose-fill insulation, usually made of fiber glass, rock wool or cellulose, is blown into the attic or walls. Cellulose is made from recycled materials treated with fire-retardant chemicals. By far the most common material used in Kansas for rolls, batts or loose fill is fiber glass.Rigid foam boards are made of polyisocyanurate, extruded polystyrene (XPS or blueboard), expanded polystyrene (EPS or beadboard), or other materials. These boards are lightweight and generally have an R-value of 4 to 7 per inch. Rigid board insulation is made to be used in confined spaces such as exterior walls, basements, foundation and stem walls, concrete slabs, and cathedral ceilings. The easiest and most cost-effective way to insulate your home is to add insulation in the attic. To find out if you have enough attic insulation, measure the thickness of insulation. If there is less than R-22 (7 inches of fiber glass or rock wool or 6 inches of cellulose) you could probably benefit by adding more. Most U.S. homes should have between R-22 and R-49 insulation in the attic. If your attic has ample insulation and your home still feels drafty and cold in the winter or too warm in the summer, chances are you need to add insulation to the exterior walls as well. This is a more expensive measure that usually requires a contractor, but it may be worth the cost if you live in a very hot or cold climate. You may also need to add insulation to your crawl space. Either the walls or the floor above the crawl space should be insulated. Most experts tend to favor insulating the stem-walls. Also, it's a good idea to put polyethylene film on the ground to keep moisture from rising from the ground into the floor.
