2 X12 Floor Joists For Attic Room Above Garage

Planned on using the 2 6 to support 2x4x12 on 16 centers with one end attached to rafters.

2 x12 floor joists for attic room above garage. According to salter spiral stair the approximate cost of finishing the bonus room over your garage is approximately 35 per square foot. The attic has 2 by 8 s also but it has a plywood floor hatch and a plasterboard ceiling. The rest of the space is situated over the laundry room to tap into existing pipe chases. This is calculated from standard costs for all of the.

I never store wood over my garage door more than a few boards deep. My driveway is cement so i buy new wheelsets every 5 years or so. Average cost of adding a bonus room above a garage for all the reasons mentioned above the cost of finishing a bonus room above your garage can vary. Although you can construct a garage using thicker stronger joists 2 inch by 6 inch joists are sufficient for most garages even if you intend to build an attic storage area above your garage.

Lan to use 2x4x36 upright screwed to ceciing joist every 24 to hold 2x6x12 s up above duct work. If the attic were designed as living space those ceiling joists would become floor joists and be much bigger. That creates a problem in support for storage floor and only using support walls below. Fine homebuilding notes that 2 inch by 6 inch garage joists will support a weight of up to 50 pounds per square foot.

That s a big size and strength difference between the two types of attic joists even if the joist spacing is the same. Attic joists for live loads. Ceiling joists are typically 2 8 lumber floor joists are usually 2 10 or 2x 12 lumber. If you want to put down flooring in your attic and want more insulation underneath that floor then you need to increase your joist size.

At geoff and michelle s house supply lines for the second floor bath were tucked above the addition s floor joists and only the room s tub sits over the garage. I also put an attic in the back 2 3 of the garage. House is a open floor plan so not a lot of support walls below. Don t forget the impact on adjacent spaces.

Sistering 2x6 joists next to your current 2x4 joists will simply give you a new floor height of 5 1 2 inches as opposed to the current 3 1 2 inches. You also need to ensure that the joist spacing is adequate. This can be done through blown in insulation and unfaced or faced batt insulation. If your attic joists won t bear the weight necessary to finish out a living space but the engineer cleared them to support floor decking for light storage you can install inch plywood or.

I have a shopsmith in my garage but only use it in the summer.