or you could find some good salvage T&G flooring and skip the strips - they just accelerate the rot and get rusty if you really use the bed - mine's goin on 10 years old now and still works fine
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics