Originally Posted by TacomaRobert
Thank you very very much.
I looked at the diagram in the document. Yet, I'm having trouble visualizing this paragraph.
Would you mind, please, elaborating? I've read it a half dozen times but maybe can't get it. Particularly the "box/cooler/space filler" terminology.
By elevating the load, is it the elevation that allows the straps to exert a downward pressure on the load??
Siding goes center of bed slid all the way forward against the front.
Measure the distance from top of siding bundle to top of bed side.
Find something solid, that is slightly taller than that distance. Place that solid object, we use blocks of wood or stacks of wooden pallets
, then move side rails cleats forward to a position centered on the object and tighten a strap between the cleats applying downward force on the object. This is restraining the front of bundle down to the bed.
Next simply run a strap over the bundle from side to side between the D-rings at the back off bed. The load is now vertically restrained. Note: if you want to get some lateral restraint, wrap the middle strap(between the D-rings) once all the way around the bundle before tightening it up between the rings.
Forward restraint is not a concern because the bundle is against the front of the bed. For aft restraint a simple strap around the end between the D-rings will work, simple way to duplicate the bridle effect is to use two straps, 1 from the right D-ring over the top, down across the end of the bundle, then under and back to left D-ring. Do the same thing in the opposite direction left to right; effectively making an "X" between the D-rings around the end of the bundle.
Lot of words, but hopefully you get the idea. Final clarification on the filler thing: if you had D-rings in the front floor of your bed, it wouldn't be needed. You're just looking to hold the bundle down to the floor at the front of the bed. The only way to do that with the available side rail cleats, is to fill the space between the top of the bundle and height of the cleats. Then when tighten a strap between the cleats over the filler object, downward force is transfered to the top of the bundle effectively holding it down to the bed floor.