I know they come in different lengths But do they come in different heights and thicknesses?

Thank you for your inquiry about Suspended Concrete T-Beam 155mm x 110mm 3000mm.

No, the Suspended Concrete T-Beams we have in stock only come in the following sizes:

• 155mm x 110mm x 3000mm
• 155mm x 110mm x 3600mm
• 155mm x 110mm x 4200mm
• 155mm x 110mm x 4800mm
• 175mm x 106mm x 3600mm (not listed online, but available in store in Romford)