There are four types of extension ladders. Here's how to choose the right one for your home projects.
By the DIY experts of The Family Handyman Magazine:September 2010
Load yourself up with your tools and climb on a scale before you go ladder shopping. The scale will decide what ladder you should buy.
There are four classifications of extension ladders, and they’re based on fully loaded weight. That means your weight plus the weight of the materials you’re carrying. The biggest mistake DIYers make is buying a Type III ladder to save money. An extension ladder is a long-term investment, so think about how much your weight may change over the years—and don’t be delusional about it. The average American male weighs 189 lbs. Add a gallon of paint and a few tools and you’ve already exceeded the weight limit of a Type III ladder. Carry a heavy power tool and a few hand tools and you’ll blow past a Type II. And if you ever have to lug up a bundle of shingles (70 lbs.), you’ll need at least a Type IA ladder. Heavy-duty Type I and Type IA ladders weigh more and cost more, but you’ll get a stiffer ladder with better construction.
Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.
Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.
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