# What Size Header Do I Need For A 16 Foot Garage Door?

## How far can a triple 2×10 span without support?

In general terms, joists spaced 16 inches on center can span 1.5 times in feet their depth in inches.

A 2×8 up to 12 feet; 2×10 to 15 feet and 2×12 to 18 feet..

## How far can a 2×6 floor joist span?

Max. Live Load 30 lbs/ft2 (1436 N/m2)Maximum Span (ft – in)Nominal Size (inches)Joist Spacing Center to Center (inches)Lumber Grade2 x 61212′ – 0″1610′ – 11″249′ – 7″10 more rows

## What size garage door opener do I need for a 16 foot door?

If you have a wooden or insulated double-car garage door up to 16 feet wide and 8 feet tall, you may want to move up to a 3/4-horsepower opener. For doors that are more than 16 feet wide or very heavy, an even large opener that’s 1 horsepower or higher can reduce strain on the motor.

## What is the maximum span for a 2×8 header?

Figure B: Example of Calculating Header SizeHeader SizeMaximum SpanNumber of TrimmersDouble 2×64 ft., 0 in.OneDouble 2×85 ft., 0 in.TwoDouble 2×106 ft., 2 in.TwoDouble 2×127 ft., 1 in.Two

## How far can you span a 2×10 header?

10 feetA double 2×12 beam can span 12 feet; a (2) 2×10 can span 10 feet and so on.

## What is the size of a primary header?

Recommended Header Primary Tube DiameterHorsepower OutputPrimary Diameter200-325 hp.1 1/2 in.275-425 hp.1 5/8 in.400-500 hp.1 3/4 in. or 1 7/8 in.500 hp. or more2 in. or largerMay 11, 2017

## Can a garage door opener be too powerful?

The horsepower of a garage door opener does little if anything to affect the power of the opener. While openers do come with different amounts of horsepower, the labels are primarily a gimmick. … Luckily, most openers aren’t too powerful for the standard garage door.

## Are two 2×6 stronger than a 2×8?

In bending, a joist composed of two 2×6’s (true dimension 1.5 inches x 5.5 inches) are slightly stronger than a single 2×8 true dimensions 1.5 inches by 7.25 inches.

## How far can a triple 2×8 beam span without support?

How far can a triple 2×8 beam span? In general terms, joists spaced 16 inches on center can span 1.5 times in feet their depth in inches. A 2×8 up to 12 feet; 2×10 to 15 feet and 2×12 to 18 feet.

## How far can a 6×8 beam span without support?

Regarding this, how far can a beam span without support? When supporting joists that span 12 feet with no overhang beyond the beam, a double ply beam can span in feet a value equal to its depth in inches.

## What size header do I need for a 4 foot span?

Most door frames that are 4 feet wide or less require a 2-by-6 header. Between 4 and 5 feet, the header should be built 2 inches wide and 8 inches long while a larger opening needs a header that is 2-by-12. When in doubt, use 2-by-12-inch headers.

## How do you calculate header size?

It went like this: Measure the span in feet and add 2 to that number. The sum will be the height of your double header in inches. For example, if the span is 4 feet, add 2 to 4 for a sum of 6. Therefore, the header would need to be made from doubled 2x6s.

## What size header do I need for a 12 foot garage door?

Step 2: Measure the Garage Door Rough Opening The header itself should be nine inches wider than the door. The rough opening’s width should be three inches longer than the door, measured between the left and right edges. So, in a 12-foot wide garage door, the rough opening will be 15 inches wide.

## What size header do you need for a 12 foot span?

2×12 material, even with a moderate load will sag over time. The best to use would be something like an LVL, engineered lumber and the lumber yard where you buy it can answer your load question.

## Is LiftMaster better than Genie?

So, LiftMaster or Genie? LiftMaster offers more conveniences, features and is proven to be a more reliable opener. With similar warranties and prices as Genie, a LiftMaster brand opener is the better buy.

## How much does a 16 foot garage door cost?

The typical price range for a 16 x 7 ft. garage door is \$800 to \$1,000.

## How far can 3 2×6 header span?

Dimensional Lumber Deck Beam Span ChartJoist SpansDouglas Fir-Larch, Hem-Fir, Spruce-Pine-Fir, Redwood, Cedars, Ponderosa Pine, Red Pine3-2X65′-3″3-2X86′-8″3-2X108′-3″3-2X129′-7″17 more rows

## What size lumber can span 20 feet?

Joist spacing of 24 inches is allowed for spans between 16 to 20 feet using 2-inch by 10-inch lumber of these three grades.

## How far can a triple 2×8 beam span?

In general terms, joists spaced 16 inches on center can span 1.5 times in feet their depth in inches. A 2×8 up to 12 feet; 2×10 to 15 feet and 2×12 to 18 feet. The larger the deck, the larger the joists.

## How far can a 2×6 header span without support?

How Far Can a 2×6 Rafter Span? A 2×6 rafter can span 14 feet 8 inches when spaced 16 inches apart with No. 1-grade southern pine lumber on a roof with a 3/12 slope or less with a maximum live load of 20 pounds per square foot and a dead load of 15 psf.

## What size beam do I need for a 20 span?

you looking around 4×14, 4x 16 for a 20′ span. i would use a glue lam and not a solid beam ( 1 pc ). steel would be best for strength and space.