Re: Price Per Square For Roofing For New Construction. Roofing and plumbing are the 2 areas I typically under-guess on the remodels I take on. Roofing is always a concern from a quality and safety perspective of the sub (i.e. they need to have liability & work comp insurance).
Some newer fire blankets like the Titan21 are made from 100 percent cotton and treated with a nontoxic and biodegradable fire inhibitor instead of potentially harmful flame retardants.
Fire by Chemical Reaction. by Bob Gillis and Dino Labiste. Although this fire making technique is not primitive technology, it is worth mentioning in terms of survival skills. Fire can be produce by chemical reaction using potassium permanganate mixed with antifreeze from a car radiator or glycerin. Potassium permanganate used to be found in first aid kits and was utilized as a mild antiseptic.