Special thanks to Poppi, Ryin, Thumb and the rest of the Blighters. They did all the work. I just took the 10 minutes to run around and compile the data.
The storehouses use the silo scaffolding graphics to differentiate from one another, but it seems the actual footprint is the same for all; that of a T1/T3/T5 silo.
The stats are as follows:
All allow 4 stacks of raw or processed food resources
Tier 1............10,000 bulk
Tier 2............16,000 bulk
Tier 3............22,000 bulk
Tier 4............28,000 bulk
Tier 5............34,000 bulk
Tier 6............40,000 bulk
The number of materials is consistant across all Tiers. Each Storehouse uses all 5 build materials, all of the same Tier. (no cross-Tier requirements)
Wood Braces................30
Wood Timbers..............50
Metal Joints.................30
Metal Sheets...............50
Stone Keystones..........20
Stone Blocks...............40
Cloth Tapestries..........20
Cloth Bolts.................40
Essence Sources.........10
Essence Spheres.........20
Drev