you are sure that the old is down firmly and not buckles, air pockets, or areas that have dog ears.You wan the very best substrate that you can for the new to stick to.
If you feel good about it and feel that you will not be regreting this decision, go for it.
Clean it good and use venition blinds as your puller sticks, they work super. Of course this is used only with contact cement.
© 2016 Renovate Your World LLC