Extension ladders should be 7 to 10 feet longer than the highest support or contact point which may be the wall or roof line.
12 foot roof ladder.
25 to 28 feet.
For you to get on and off the top of the ladder and onto a roof three rungs need to extend beyond the roofline 4 so the d6228 2 works with roofs about 21 feet high or less.
17 to 21 feet.
Louisville ladder 12 ft.
Louisville ladder 12 foot fiberglass pro platform ladder with extended rail 300 pound capacity type ia fxp1712 3 7 out of 5 stars 21 422 19 422.
Capacity step ladder century elite 7 67 ft to 10 25 ft type iaa aluminum attic ladder.
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Load capacity type ia duty rating model fxp1712 439 95 439 95.
Little giant ladders king kombo fiberglass 12 7 ft reach type 1aa 375 lbs.
Fiberglass step ladd.
Fiberglass manhole ladder with 375 lb.
13 to 17 feet.
28 to 31 feet.
Capacity multi position ladder werner nxt 8 ft fiberglass type 1a 300 lbs.
Product title louisville ladder fs1512 12 ft.
4 5 out of 5 stars 2 689.
Load capacity type iaa duty rating model m7112 1 201 21 201 21.
9 to 13 feet.
The ladder should be at the correct angle with the base 1 foot out from the surface it rests against for every 4 feet of height to that point.
Get it as soon as sat sep 19.
21 to 25 feet.
Ohuhu 12 5 ft aluminum telescopic extension ladder one button retraction new design telescoping ladder ansi certified extendable ladder with spring loaded locking mechanism 330 pound capacity.
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Buy this size ladder include a 3 foot extension above roof line 9 foot max.
When the ladder rests against a surface such as a roof line it needs to extend 3 feet beyond the top support point.