Regular checks to ensure that fixings are tight and the supporting legs remain securely in place is also required.. Dimensions: -Overall Height - Top to Bottom: 169.7.-Overall Width - Side to Side: 110.-Overall Depth - Front to Back: 201.-Distance Between Top and Bottom Bunk: 90.7.-Clearance from floor to bottom of Product: 30.5.-Bottom of Top Bunk to Floor: 126.2.-Side Rail Height: 12.-Overall Product Weight: 129.-Recommended Mattress Depth for bottom bunk bed (front to back): 188.-Recommended Mattress Width for bottom bunk bed (side to side): 92.-Recommended Mattress Thickness for bottom bunk bed (top to bottom): 18.-Recommended Mattress Depth for top bunk bed (front to back): 188.-Recommended Mattress Width for top bunk bed (side to side): 92.-Recommended Mattress Thickness for top bunk bed (top to bottom): 20.-Recommended Mattress Depth for trundle (front to back): 188.-Recommended Mattress Width for trundle (side to side): 92.-Recommended Mattress Thickness for trundle (top to bottom): 20.-Higher Tier Recommended Weight Capacity: 80.-Lower Tier Recommended Weight Capacity: 80. Assembly: -Assembly Required: Yes -Type of Assembly: Full.-Recommended Persons Required for Assembly: 2.-Tools required & NOT provided: .-Assembly Details: Refer to the instructions enclosed in the package..