Roof Board Size

Measure each section of the roof from side to side parallel to the line of the fascia board.

Roof board size.

For 2 x 4 rafters use a 2 x 6 ridge board. The ridge board s length will be the outside measurement of the building plus the length of the overhang at both ends. R values 28 tested in accordance with astm c518 spannings. Osb and plywood come in thicknesses ranging from 5 16 to 3 4 inch and the thickness needed for a particular roof depends on several factors including rafter spacing expected load and roof design.

What size roof decking 7 16 1 2 what warning. With billions of square feet installed in a complete range of roofing systems and climate extremes densdeck roof boards have proven their toughness and versatility. 1 4 dens deck roof board. Explore a number of housing related calculators as well as hundreds of other calculators covering topics such as finance math health fitness and more.

The topics covered on this site include activities in which there exists the potential for serious injury or death. A good alternative to ply wood and usually cheaper we stock osb3 board in a selection of sizes. Sterling board is resistant to water with the osb3 option being particularly suitable for humid conditions. For 2 x 6 rafters use a 2 x 8 ridge board and so on.

Browse our range of roof boards below and choose between general purpose hardwood plywood shuttering plywood exterior wise spruce plywood sheets and more. We have the right sized osb3 board for almost every job. Tin roofing also known as metal roofing. The unique construction has been shown to withstand delamination deterioration warping and job site damage far more effectively than paper faced gypsum board and other conventional roofing products such as wood fiberboard and.

1 4 spans flute widths up to 2 5 8 flexural strengths parallel lbs. Choose a ridge board that is one size larger than your common rafters. For this example a section of roof is 20 feet wide. Our roof rafter calculator tools are handy for calculating the number of rafters needed rafter length calculator lineal feet of rafter board feed in ridge and sub facia and the total board feet in the roof.