How much does a 20 foot LVL beam cost?
In that case, you need something like a 12-16″ GLULAM or LVL to span the 20′ and can use simple 2×8-10 dimensional lumber 16″OC as floor joists.
x 6 in. x 20 ft. Premium Pressure-Treated Lumber.
How much do wood beams cost?
The most common lengths used in wall plating, window and door framing and bracing range between 8 ft and 16 ft. The other lengths of 18 ft to 20 ft are rarely stocked and rarely used because they are only usable in few unusual cases. Wall construction commonly requires 2-by-6 and 2-by-4 lumber.
The more popular and cost-effective option, laminated veneer lumber (LVL) beams, ranges in price from $55 to $400, not including installation. Secondly, what size lumber can span 20 feet?…How much does a header beam cost?