Insulation

Blown-in Insulation for Exterior Walls, Ceilings and Attics

Because of the increasing cost of natural gas and electricity, insulating your home can be the single most efficient way of reducing energy costs.

If your home was built before 1978, chances are it is not properly insulated to today’s governmental standards. Properly insulating your home can give you the quickest return on investment compared with the high cost of replacement windows and doors. Insulation usually pays for itself within two to four years of installation. If your home is not insulated, you are losing money through your walls. Insulation is more than just a way of keeping in the heat during the winter months. It also helps to keep your home cooler during the summer, which gives you added savings year round.

There are many types of insulation products available in today’s market: compare Rockwool, Cellulose, and Fiberglass.

Rockwool:

Rockwool is the oldest insulation product on the market. It has been in existence for 167 years. It is the only 100% chemical-free product, and it is made from recycled steel slag.

Rockwool is an all-natural inorganic material, which is noncarcinogenic and formaldehyde-free. It also has the highest R-value (a measure of heat-flow resistance) of any fiber insulation material. Not only will it do a superior job of insulating your home, it will also offer sound and fire protection greater than that of any other fiber insulating materials available.

Cellulose:

Cellulose insulation is made from recycled newspaper. It contains borax, boric acid and aluminum sulfate. Because cellulose is an organic material, it decomposes as it ages. Eventually it leaves behind a fine dust or powder, which will cause extreme settlement inside wall cavities. Organic fibers will readily absorb large amounts of moisture, emitting fire retardant chemicals while drying, which can promote the growth of mold in walls and attic areas. Because the chemicals in cellulose are corrosive, they can adversely affect older homes containing knob and tube wiring.

Fiberglass:

Fiberglass insulation is made from silica sand and recycled glass materials. It is an inorganic material. Fiberglass is a known carcinogen. It is a very light fluffy fiber and is highly subjected to drifting and shifting in attics due to ventilation needs. And it has the lowest R-value per inch of any fiber material. This means the lowest R-value for your money in wall cavities and the need for an excessive depth if used in attics.

Let’s Compare Performances:
Materials Wall Cavities R-Value Attic to R-49
Rockwool R-15 14 inches depth needed
Cellulose R-13 16 inches depth needed
Fiberglass R-11 20 inches depth needed

If using a cost-by-performance comparison, you can clearly see that Rockwool is by far a much safer, higher performing product.

At The Siding and Insulation Company, we use only Rockwool for your insulating needs due to its proven thermal, fire and sound protection.

Contact Us Today To Schedule Your Free Estimate: (216) 281-5656.

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