our home is a 1995 and was neglected (and that is a undestatement) it just fell off in pieces as we rolled it. that was only going in one direction as well. i had no experience with a sprayer as well but if you ever have used a can of spray paint you can use a paint sprayer

I have one of these. Works great! http://www.homedepot.com/p/Ryobi-18-Volt-ONE-AirStrike-18-Gauge-Cordless-Brad-Nailer-Tool-Only-P320/203810823?gclid=Cj0KEQiA-_HDBRD2lomhoufc1JkBEiQA0TVMmqPDVahZsS8FVedwTWeXl8smZ1FezAdUCBfUzbsUI-4aAiv48P8HAQ&gclsrc=aw.ds I agree i am using one in our current rem...

i sprayed ours. tried rolling them but it was useless. Went to homedepot and rented a sprayer did the whole house in under a hour