Posted by HERB IN THE CASE OF THE TJI'S THAT YOU MENTIONED YOU ALSO HAVE THE CENTERLINE BEAM TO CONTEND WITH. IN MY CASE THIS BEAM BETWEEN THE LIVING/DINING ROOM AREA HAD TO BE 16" DEEP BASED ON THE ENGINEER I USED. HAVING BUILT THIS HOME, I WOULD STRONGLY RECOMMEND THE 9 FOOT FIRST FLOOR CEILINGS, THIS WILL ALLOW YOU ALMOST ALL OF THE FLEXIBILITY YOU NEED TO INSTALL ANY TYPE OF HEATING SYSTEM YOU MAY DESIRE.
on 10/15/2006, 9:34 pm, in reply to "Re: Series H 1512"
YOU STILL HAVE TO CONTEND WITH THE MAIN CENTER LINE BEAM THAT MUST SUPPORT THE JOISTS, IN THE CASE OF THE OF THE OPEN WEB FLOOR JOISTS, YOUR OPENNINGS FROM THE LIVING/DINING ROOM AREA INTO THE KITCHEN CAN BE LESS THAN 7 FEET, DEPENDING ON LOADING REQUIREMENTS. THESE TYPE OF JOIST CANNOT BE DESIGNED TO CARRY THE ROOF SNOW LOAD AT THE NEW STEP OUT DESIGN OVER THE PORCH DECK AREA. YOU MAY BE REQUIRED TO USE BEAMS, THEREBY ELIMINATING ANY HOPE OF GETTING ANY DUCT WORK TO THE MASTER BEDROOM AT THE DOORWALL.
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