If 1 person on a deed finances a "fixture filing"/UCC, does it affect the credit of other person on deed?

My sister & I are on title of a house, she wants to finance new windows through utility co. by herself will this affect my credit if she goes delinquent? I understand the lien on the house until its paid, but am unclear how she finances this only in her name yet I have to sign financing statements & fixture filing disclosures. Am I co-signing on the loan? Am I responsible for the loan she wants to take out? How will this affect my financial image? Help please?