As perform repair ties

You do not know fix out of service screed? Just, about this you can read in this article.
For a start has meaning find master by repair ties. This can be done using yahoo or google. If price repair you will afford - consider question resolved. If cost services for fix you're not satisfied - in this case you have solve task own forces.
So, if you all the same decided own forces repair, then first necessary grab information how repair screed. For this purpose one may use any finder, let us say, mail.ru, or view binder magazines "Junior technician", "Himself master", "Home workshop" and etc., or hang out on popular forum.
Think this article helped you solve question.