Thus, there is only a minor gain in heaping insulation on these walls and your return on investment drops off to almost nothing after a modest amount of insulation is added. The opaque portions of exterior walls just don't contribute that much to your energy use. Things like efficient hot water heaters and air conditioners, extra attic insulation and better infiltration packages make a HUGE difference your energy bill. That is because the opaque exterior walls just don't contribute that extensively to the overall energy use of the home. You can super insulate all you want but you will never recoup your investment with energy saving. The $ difference in Central and Northern portions of the State is even less because of the cooler evenings which makes the masonry thermal mass work better. This is for a 2000 sf one story home in Miami. The actual energy $ savings between the minimum R4 foil interior insulation and R20 super insulation is only about $100 per year (not per month - per year). Results from that testing are attached to this blog and clearly show that your typical foil interior insulation is the best value for money. Perlite Concrete Blocks (PCBs) are engineered, lightweight, thermal insulating, reinforced, and waterproofed concrete blocks useful for, among other things. We proved this with extensive research done at the Pacific NW Labs, one of the top energy research labs in the Country. The truth is that masonry homes require very little insulation in the Florida climate. Normally block walls are either painted, sealed or stucco'd on the outside and none of these adds any appreciable energy efficiency to the home. This gives you a through wall insulation value for a typical block wall of R10 or an added insulation value of R7.8 (insulation value of the 3/4" board plus the insulation value of a 3/4" reflective air space). 3/4" furring strips are then attached over the board and the drywall attached to the furring strips. The board is glued or nailed to the inside face of the masonry wall with the foil face pointing inward. However, there are significant savings realized from using ICF, and that will be discussed later. Once you factor in additional costs like concrete, rebar, hardware, labor, insurance, etc, the average total cost using ICF forms can be around 15-20 more than stud framing. The maximum recommended insulation for Florida homes is a 3/4" polyiso board with a reflective side. ICF forms cost an average of 3.50 to 4.00 per square foot. Using a 1 5/8" furring strip rather then a 3/4" furring strip allows you to slightly increase your interior insulation value of the available foil products. In addition, it is made of a natural environmentally friendly material, based on laboratory test reports issued by relevant government agencies, which can be viewed through our website.The most common way to insulate your home in Florida is to use a foil type insulation spread between the furring strips on the inside face. It works as a sound and heat insulator according to ideal standards, and is characterized by a set of physical and chemical properties, hardness and light weight, as it weighs approximately twelve kilograms, half the weight of ordinary blocks, as well as its resistance to fire. The insulated cement block, known as leca, is characterized by a set of features that are unique and distinguished from the regular cement blocks. Why Al Madina insulated cement blocks (Leca)? To choose the best type of insulation, you should first determine the following: Where you want or need to install/add insulation The recommended R-values for areas you want to insulate. Leca, in short, is a lightweight material of porous clay pebbles produced through the pyro process in a rotary kiln at a temperature of thousand and two hundred degrees Celsius, and the gases released from the process cause the formation of air gaps covered with a layer of relatively hard crust in round unequal shapes. Energy Saver Home Comfort Weatherization Insulation Types of Insulation When insulating your home, you can choose from many types of insulation. It is made of the basic Leca material, cement and sand, in addition to other materials extracted from various Omani quarries. This gives excellent thermal insulation (Low U-Value). Insulated cement blocks, known as (Leca), is a type of blocks, and it is a high quality product of Al Madina Cement Products Company, the leading company in the field of building materials. Our insulated blocks are manufactured with expanded polystyrene inside.
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