What do you use for decking on a roof?
There are 2 types of sheet decking: plywood and OSB. OSB (oriented strand board) is the most common type of decking used on roofs today.
Can you deck over shingles?
Homes that are roofed with wooden shakes or shingles utilized an older type of decking to allow the air to flow between the shakes and ventilate the home. If you are having your roof changed from wooden shakes or shingles to asphalt shingles, you will need to redeck over the old decking to bring your home up to code.
What is roof deck substrate?
What is Roofing Substrate? Roofing substrate is the surface a roofing system is applied on. This can include the roof deck, insulation system or even a pre-existing roof system. It serves to support the other elements of your roof.
How much does it cost to replace roof decking?
With that said, the average cost to replace roof decking on a 2,400 square foot home is between $1,050 and $1,575. It’ll take roughly 75 sheets of plywood to complete the job, putting the average cost of sheathing at $14 to $21 per sheet.
Do you need plywood under shingles?
Sometimes referred to as roof sheathing or a roof deck, this plywood acts as a foundation for the layers of underlay and the shingles on your roof and connects the roof to the frame of the house. Even though it isn’t visible, it is very important to the structure of your home.
What is a cover board?
A cover board is a thin substrate to which a roof membrane is adhered. However, the use of a cover board far exceeds that of a substrate — it also serves as a critical component that helps to extend the life of a roof.
Can I use tongue and groove for decking?
The answer is yes. Creating a deck with tongue and groove lumber is as easy as creating a deck with traditional boards. First, cut all of your pieces into appropriate lengths. This sinking action will allow the next deck board to slide into place and will perfectly conceal the previously installed screw head.
Is it OK to use OSB on metal roof?
OSB is widely used as roof decking material. A homeowner recently wrote and asked me the following regarding OSB roof decking: Q. We are checking into a metal roof and we have a question that needs to be clarified. We heard that the metal will not stay on as well if you have OSB roof decking.
Which is better for roof decking plywood or OSB?
Originally, plywood was the go-to choice for roof decking. The material is strong, durable, and tested over time. The only downfall when comparing the two materials is cost. Although plywood is traditionally used to create the roof deck, it’s becoming more popular for contractors to use OSB.
What kind of decking do you use for a roof?
In the process of constructing a roof, there are typically two different roof decking materials. The contractor can choose an oriented standard board (OSB) or plywood to create the decking of the roof. Each material has its similarities and differences. Here are some things to consider when choosing your decking material to install on a roof.
How is oriented standard board ( OSB ) made?
Oriented standard board (OSB) is created much differently. If you take a look at a sheet of OSB, you’ll notice the surface isn’t extremely smooth. This is because OSB is created by taking woodchips, gluing them together, and hot-pressing them down.