DEAR TIM:How does insulation work? I see all different types: fiberglass, cellulose, foam and rock wool. Is one better than the other? Louis K., St. Louis, MO DEAR LOUIS:Insulation works by slowing the movement of heat from a hot space to one that is cooler. Heat moves in three way...
How does down insulation work? Down is the fluffy next-to-skin coating found on the underside of birds. It is one of the most effective methods of providing insulation in clothing. Down is not the same as feathers. Feathers form the stiff outer plumage of a bird and aid in flight and ...
1. Low insulation resistance Use the elimination method. Unplug all the strings on the input side of the inverter, and then connect them one by one. Use the function of the inverter to check the insulation resistance to detect the problem string. After finding the problem string, check whethe...
How does the rotary granulator work? This rotating pelletizer granulates pellets by centrifugal force. It rotates the cylinder. Then the powders will get together and become pellets. Do you know how each components work together? And how can you do for better granulating?
Soundproofing your apartment need not be complicated or costly. Using the proper soundproofing insulation materials and renter-friendly solutions, you can muffle unwanted noise and develop a peaceful living area. However, living in an apartment does not mean coping with continual noise. With some ef...
How does pressure-treated lumber work? The chemicals in treated wood are generally not good for humans. This is why you see warnings advising you to wear gloves, avoid breathing the sawdust, and refrain from burning treated wood. Glowimages/Getty Images Wood is a great building material. ...
Underneath the layer of insulation, a heated concrete layer(F)keeps the ground below the ice from freezing, expanding and cracking the rink structure. The entire rink sits on a base layer of gravel and sand(G)which has a groundwater drain at the bottom. ...
How does a passive house work? The standard is built on a set of five principles that ensure stable temperatures, comfortable indoor air, reduction of noise and a minimal energy use: No thermal bridging –this means making sure walls, floors and roofs are well insulated with no gaps. This...
Every electrical device needs to be checked every now and then for any type of loose connections, as it may cause some kind of malfunction without your knowing. Servicing ensures safe electrical wiring, allowing you to inspect for fire hazards, ensure proper insulation, and tighten connections. ...
Water is the most familiar extinguishing material, and it is one of the most effective. But it can be dangerous in the wrong situation. A water extinguisher can put out things like burning wood, paper or cardboard, but it does not work well on electrical fires or fires involving inflammable...