fov Posted March 17, 2018 Share Posted March 17, 2018 It's been a while since I used these and my brain just isn't working right now. The website says each strip is 4.5" x .75" and there are 34 strips per package, which covers 112 sq inches. 4.5 x .75 x 34 = 114.75 so I guess that's where that number comes from. But since the strips overlap each other by at least half the height of the shingle, shouldn't the coverage be more like 4.5 x .375 x 34? I have about 250 square inches to cover on my back-to-back Victorianna and want to make sure I buy enough. I guess what I'm asking is, for anyone who's used these lately, did the coverage match what it says in the store, or did you need more than you thought you would? Quote Link to comment Share on other sites More sharing options...
havanaholly Posted March 17, 2018 Share Posted March 17, 2018 I lap shingles between 25% and 33% of their length. Quote Link to comment Share on other sites More sharing options...
chapchap73 Posted March 17, 2018 Share Posted March 17, 2018 I always buy more than I think I'll need because math and I are not friends 3 Quote Link to comment Share on other sites More sharing options...
sara_lee Posted March 24, 2018 Share Posted March 24, 2018 Coverage matched my half scale rosedale overlapping 50% Quote Link to comment Share on other sites More sharing options...
Phoenix71 Posted January 1, 2022 Share Posted January 1, 2022 chapchap73, I'm not friends with Math either, but I am friends with Google and this site 3 Ways to Determine Square Inches - wikiHow helped me tremendously figuring out square inches for my 3 triangular Duracraft Heritage gables. I'm late to this thread, only by a few years - I definitely bookmarked this site! Quote Link to comment Share on other sites More sharing options...
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