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A bunch of ABS joints in my house were leaking. The affected ones seem to be done with an incorrect adhesive/solvent weld. The defective joints have been replaced, leaving one final joint described below: There is a vertical drain from the 2nd floor inside a wall that takes a 45°bend, then...

Sounds good. Note the MSDS: Methyl esters of long-chain fatty acids is what biodiesel mostly is. Fatty acids and their methyl esters will support microbial growth, so be sure not to skimp on the rinse steps. John

The Franmar product looks interesting, but it seems to be focused on adhesives that are soluble in oils, like asphalt is. The MSDS shows it to be mostly long chain fatty acids and maybe a little organic solvent. As a test before buying it, you may want to see whether mineral spirits or...

I am solvent welding ABS and noted that manufacturer installation instructions differ from each other. One manufacturer instructs one to insert the properly prepared pipe into the hub and then twist 1/4 turn. Another manufacturer instructs one to insert the pipe into the hub with a twisting...

I think we are saying the same thing. John

I would recommend either media blasting (e.g., sand or crushed glass) or chemical based on the cost. From the look of the chairs, I suspect powder coating was not used when they were manufactured. For media blasting, companies specializing in that may be listed in your directory. You might...

I am not sure I understand the point of confusion, but let me try to exlain. First case: Assume the com is not open and the switched load off. Com-to-ground voltage will be real close to zero (I'll just call it zero from now on), because com is grounded. Second case: Assume com is not open...

Let me try to explain why one can see full voltage or almost full voltage from the com to ground, when com is open. Refer to the following diagram. I have represented each load as a resistance. It is important to note that the voltmeter draws almost no current. Consider first the...

I am glad you solved your problem before it caused a much bigger problem. As for my comment, I was referring to wiring of a single receptacle. If Black is wired to ground and ground to where Black should be (i.e., the connections are reversed at the receptacle), from the receptacle side...

I agree with GregC. There are a lot of possibilities. For example, black could be attached to ground, white and ground to the other terminals, etc. So, there are a lot of questions that might help sort it out. 1) How widespread is the problem in your house? Or, is only one outlet...

Good point. There is no hydraulic cement, roofing cement or other sealant around the chase. It is just a very loose fit through the hole that was knocked through the block. The general contractor didn't think that was the problem and was in a hurry to complete the porch over the area. He...

I am a new member today and a bit late coming to this thread, but a premise of this thread equating strong smelling synthetic chemicals to being bad for you caught my eye. As people strive to bring nature back into our lives, which is good, it is sometimes forgotten that the most poisonous...

New member here. My question is similar to this thread:http://www.houserepairtalk.com/f17/water-leak-poured-basement-wall-9437/ I will investigate the suggestions given, but my problem may have a little twist, so let me describe it. My basement is concrete block. The water supply and...