Sealing Terracotta, Tips from Living Terracotta
Sealing Tips from Living Terracotta http://www.livingterracotta.com
Need Help Choosing The Right Terracotta Sealer?
Choosing the correct sealer is one of the most important decisions when restoring a terracotta floor. Different sealers can produce very different results in appearance, maintenance requirements and long-term protection.
Rather than relying on generic advice, our detailed restoration guides explain the advantages and disadvantages of traditional finishes, breathable sealers and modern protection systems.
Learn how to restore, grout and protect terracotta floors correctly using our professional digital guides.
Visit The Terracotta Restoration Centre → HERE
Living Terracotta 
Thanks for your wonderful blog. This information is really useful. Well done.
Do you need to seal the underside of the terracotta tiles or just the tops and grout lines?
Just tops and grout lines