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What wood is used for roof decking?
OSB (oriented strand board) is the most common type of decking used on roofs today. It’s made up of wood chips/strips compressed together to form a flat 7/16” sheet. Plywood comes in several different thicknesses (⅜”, ½”, ⅝”, and ¾”) depending on the span of the rafters.
Do I need treated timber for roof?
5 Answers from MyBuilder Roofers Hi, no you do not have to treat for something that doesn’t exist. Breathable felt and correct installation of the roof insulation will allow the timbers to stay dry and free from future rot.
What size OSB should be used for roofing?
Typical types of wood used for roof sheathing are oriented strand board, known as OSB, and plywood, the most popular being OSB. Sheets of 7/16-inch thick, with no edge support, can be used in an area where the snow load is 30 pounds per square foot. With edge support and the same snow load, 3/8-inch OSB can be used.
What are the best materials for a roof deck?
Roof deck materials to ensure a stable roof surface. 1 1. Sheathing boards or plywood. Sheating boards are made from thin layers of wood adhered together, each with its grain at right angles to adjacent 2 2. Oriented strand board (OSB) 3 3. Wood boards.
What kind of wood is used for roofing?
Wood types used for roofing: which is the best? 1 OSB. 2 Plywood. 3 Wood board. More …
Where does a fascia board go on a roof?
Fascia board is a type of roof trim that is commonly used on houses. It is mounted on the exposed ends of rafters or the top of exterior walls to create a layer between the edge of the roof and the outside.
What kind of support do I need for my roof?
Install the boards with staggered vertical joints, parallel to the ridgeline. The vertical joints between boards must be supported along the whole length and nailed down well. Ensure sufficient support with a maximum of 600 mm in between two rafters.