The highest safe standing level is four rungs from the top of the ladder.
How much taller should a ladder be than your roof.
So if you don t need to reach a height of more than 12 feet than an 8 feet step ladder will suffice.
They must lean against a stable support surface.
An extension ladder needs to be several feet taller than the height you need to reach.
With a step ladder the maximum height you can reach height of the ladder 4 feet.
Extension ladders should be 7 to 10 feet longer than the highest support or contact point which may be the wall or roof line.
This will allow enough length for proper setup overlap of ladder sections height restrictions of the highest standing level and where appropriate the extension of the ladder above the roof line.
A roofing ladder is simply an extension ladder that has been securely attached to the ridge of a sloped roof to allow a roofer to work from an angle though no more than 75 degrees on the roof.
A straight ladder usually has a reach of two feet higher than the ladder s height.
Typically these ladders are best for outdoor projects such as exterior painting or reaching your home s roof.
Straight ladders are tall ladders that are not self supporting.
However if you need to reach 16 feet of height then you should go for a step ladder which is no less than 12 feet tall.
How tall step ladder do i need.
The sections must overlap at least 3 feet on ladders up to 36 feet in length and as much as 5 feet on longer ladders.
To secure the extending roof ladder a pair of roof hooks should be installed onto the ladder.