Remove the single quotes in strSQL:
Code:
strSQL = "UPDATE Justified SET Justified.Drawings = " & Me.txt1 & ", Justified.SiteReview = " & Me.txt2 & ","
strSQL = strSQL & " Justified.BasicLiftingPlan = " & Me.txt3 & ", Justified.DraftIsolationCert = " & Me.txt4 & ","
strSQL = strSQL & " Justified.Materials = " & Me.txt5 & ", Justified.Scaffold_Insulation = " & Me.txt6 & ","
strSQL = strSQL & " Justified.Phtographs = " & Me.txt7 & ", Justified.WP_DetailSteps = " & Me.txt8
strSQL = strSQL & " WHERE Justified.ID = " & ctl.Column(0, varItem) & ";"