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Q&A

How far apart should rafters be on a house?

How far apart should rafters be on a house? Builders aren't bound by standard rafter spacing measurements. But they do tend to space rafters in one of several industry-standard increments, typically either 12, 16 or 24 inches apart. How do you calculate roof trusses? Suppose the base of your roof is measured as 40 feet. Now set up the following calculation: Base of triangle = base of roof. After plugging in the numbers, you get 1/40 = 1.06/x (x is the required rafter length). Solving for x, you get x = (40) (1.06) = 42.4 feet. How to calculate the...
Guidelines

Can you suffocate in a trapped elevator?

Can you suffocate in a trapped elevator? Elevator shafts have exciting lights and passageways. You will run out of air if an elevator stops. Elevators are not airtight and suffocation in a stuck elevator is not going to happen. Can you run out of oxygen in a stuck elevator? Myth: If you are in an elevator that gets stuck between floors, you could run out of oxygen while waiting for help. Fact: Elevator cars are not designed to be airtight and are made with minimum requirements for vents that allow air to move freely in and out. Can you run...
Q&A

How do you fix slippery concrete around a pool?

How do you fix slippery concrete around a pool? There are several techniques and products you can use to make a stamped surface less slippery when wet. One of the standard methods involves mixing a nonslip additive such as SureCrete's SureGrip, H&C SharkGrip or Matcrete's Rhino Grip into the water- or solvent-based acrylic sealer before rolling it on. How can I make my concrete patio less slippery? Best Solutions for Fixing Slippery ConcreteYou can apply slip resistant pads or grip tape to various areas of the concrete to help provide more slip resistance. You can apply slip resistant mats to...
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Can you use pressure treated wood in the house?

Can you use pressure treated wood in the house? The simple answer is pressure-treated lumber can be used in any interior application except cutting boards and countertops. The reason lumber is treated is to protect it from exterior elements that might cause rot, decay or termite infestation. Is pressure treated wood now safe? Is Pressure-Treated Wood Safe? Yes, pressure-treated wood is safe for use in everything from raised garden beds to children's playhouses. Before 2003, pressure-treated lumber was often treated with chromated copper arsenate (CCA), a preservative containing some amount of poisonous arsenic. Is pressure treated wood considered hazardous waste?...
Tips

Are Amana Washers Direct Drive?

Are Amana Washers Direct Drive? Popular Amana Washer Motors. This direct drive motor coupling (Direct Drive Washer Motor Coupling, Motor Coupling, Washer Motor Coupling, Coupling Kit) provides a cushioned connection between the transmission and the motor shaft. Your washer may not agitate, spin slowly, or not spin at all. What does SD mean on a Amana washer? excessive detergent suds "Sud" or "Sd" in display of your Amana Washer This error code indicates excessive detergent suds occurred during the cycle. This could be caused by using too much detergent or not using High Efficiency (HE) detergent. The washer will not...
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What is a glow plug in a furnace?

What is a glow plug in a furnace? Furnace glow plugs are a common form of ignitor found in many heating systems throughout the U.S. They are responsible for making sure that your furnace can burn the fuel it uses to produce heat and warm your building. Do furnaces have glow plugs? What happens in a working furnace is that once a draft vacuum is established, the ignitor (aka hot surface ignitor or furnace glow plug) is energized. The gas valve opens, and gas flows into the burner ports. The gas hits the hot surface ignitor, and whoosh, your furnace...
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What is the minimum amp?

What is the minimum amp? Most homes require an electrical service of at least 100 amps. This is also the minimum panel amperage required by the National Electrical Code (NEC). A 100-amp service panel will typically provide enough power for a medium-sized home that includes several 240-volt appliances and central air-conditioning. How do I calculate amps required? A simple formula for calculating amps is to take the watts and divide that by the volts. So, for instance, if the wattage of the lighting fixture you're working with is 60 and the volts are 12, divide 60 by 12 and you...
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What is the underside of stairs called?

What is the underside of stairs called? Soffit: The underside of a staircase. Spindle: (See also Baluster.) A vertical, carved baluster placed between the handrails. How do you decorate the bottom of a curved staircase? Place a round area rug at the bottom of the staircase to match the lines of the curved architecture. Stand a curved table, desk or bench against the alcove wall, or decorate that space with freestanding items such as a tall houseplant, grandfather clock or even an ornate coat tree. What is a curved staircase called? Circular Stairs Sometimes called helixed stairs, their curve is...
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What are the causes and preventive measures of Weld imperfections?

What are the causes and preventive measures of Weld imperfections? This booklet, Weld Imperfections and Preventive Measures, is prepared to provide the information of common weld imperfections, causes, and preventive measures. The weld imperfections contained in this textbook are categorized into surface irregularities and weld discontinuities. How is microstructural examination used in the weld process? about the weld geometry, the depth of weld metal penetration, the magnitude of the heat- affected zone, and to detect cracks and voids. Microstructural examination is used to deter- mine the mode of cracking and the cracking mechanism and to identify phases or con- stituents...
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What size is a garden hose hook up?

What size is a garden hose hook up? Most residential garden hoses have a 5/8″ internal diameter with 11.5NH or 11.5 threads per inch. Some professional or high-flow hoses are 3/4″ 11.5NH while some cheaper hoses are 1/2″ 11.5NH. It is rare however to find a residential hose fitting that uses a different thread pitch. Does hose length affect water pressure? The short answer to this question is yes. In theory, the longer the hose is, the less the water pressure is going to be at the end of it. Therefore, a 100 foot long pressure washer hose will only...