around here, those are called pre-cut studs, not 'dimensional lumber'
looking at the resto packs shows the Deco series 3600 to be 48.5" x 87" inside - the AD shows 50" x 87" - the TF series is 50" x 90" .... wonder when we stopped getting 'more for our money' grin

Bill

Moved over to the Passing Lane

"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