If you are using asphalt composite shingles 9 stacked bundles is probably the limit.
Wrong way to load roof with bundles.
Walking up to the ridge is wha twears on your legs quick.
How to lift roofing shingle to avoid lower back issues tutorial by crossfit coach crossfitter shows how to properly lift a bundle of roofing shingles.
Do not take them out of their packaging before setting them down.
When i worked on a roofing crew 2 bundles is what you expected to carry up each time you came up the ladder.
If you went.
This will prevent the shingle bundles from sliding which would be a safety hazard and could damage the roof.
On high pitched roofs nail down a board just below where you will lay the shingle bundles.
You may be able to sling a bundle over your shoulder and safely climb and extension ladder onto the roof but soon your shoulder will be protesting and chances are you ll be looking for a new method.
If you must store them two or three bundles high for an extended period try to.
Carefully lay the bundles flat out on the roof.
Going up the ladder is the easy part.
Do not take them out of their packaging before setting them down.
Dive into everything roofing related.
This will prevent the shingle bundles from sliding which would be a safety hazard and could damage the roof.
Carefully lay the bundles flat out on the roof.
2 bundles is not a big deal i used to do it all the time.
While they may not look it a bundle of shingles is extremely heavy.
Another reason to avoid stacking too many is to not risk them toppling over and becoming damaged.
On high pitched roofs nail down a board just below where you will lay the shingle bundles.
Continue lifting bundles of shingles and placing them on the power conveyor until you ve put all shingle bundles on the roof and according to how quick whomever is on the roof is able to grab them off of the conveyor belt.
Lift a bundle of shingles using the proper lifting technique and put them onto the power conveyor.
Stacking several shingle bundles on top of each other will cause the bundles toward the bottom to degrade faster.