The tyvek wrap is placed on top of the roof trusses joists before the house is sheathed.
Tyvek house wrap on roof.
I would never allow a roofing contractor to use house wrap tyvek as roofing underlayment.
There is an installation video on the tyvek site.
The product that you are looking for is probably a synthetic roofing underlayment.
Begin by placing an edge of tyvek at one end of the wall leaving a 6 12 inch 15 30 cm overlap over the corner.
Dupont tyvek wrap cap screws and 1 1 4 or 2 metal gasketed washers with screws should be used for steel frame construction.
I think a roll is 4 x 100.
Here is a link to an article i wrote on the topic.
No tyvek housewrap is not designed to be used on roofs.
I think this is a recipe for disaster i actually don t even like house wrap under siding.
If stud marks are printed on your tyvek product line them up with the first stud of your wall.
Let me know what you guys think.
House wrap can help keep moisture out while helping to promote air flow.
Many people are familiar with tyvek house wrap whether through previous use or simply due to name recognition like kleenex jacuzzi or hoover.
A minimum of 15 lb felt even better is non organic 30lb felt with self stick ice and water shield at the eaves and all valleys.
Of course the wrap is expensive at about 200 bucks a roll.
Tyvek protec underlayments are ideal for jobs from renovation to new construction and designed for slopes 2 12 and higher under a variety of roofing materials.
Plus you ll enjoy the added benefits of lightweight durability excellent secondary moisture protection and a wrinkle free surface for smoother installations.
Some types can also be used as insulation to help provide the first defense against energy transfer through the walls.
Tyvek protec roofing underlayments feature a unique embossed pattern allowing for better traction and grip while walking on the roof.
To attach tyvek in wood frame construction use dupont tyvek wrap cap nails dupont tyvek wrap cap staples other cap staples for the stinger cap stapler.
It s not a good choice for the job you have in mind.