When you are installing a shingle roof system and your roof structure contains valleys, valleys must be installed before underlayment is applied.  If there are no valleys, begin with underlayment. Underlayment:  A variety of roof underlayments are for sale today, such as 15# or 30# asphalt felts or snow & ice shields.  Snow and ice shields should be considered in areas with recurrent high winds or on ro ...

After sub-fascia and rakes have been installed, the next step in continuing your roof structure of your home building is installation of the roof sheathing.  Roof sheathing should be a minimum of 9/16” or 5/8” sheathing creates a good structural roof.  Using H-clips is highly recommended in all applications.  If your rafters have been installed correctly, they should be square to the fascia on the eave and ...