If you need to reposition your gutters do so at this.
Installing roof sheathing by yourself.
Avoid the errors described when installing this roof sheathing.
Avoid installing osb with the textured side down.
Choose an exterior c d grade.
Install osb textured side up.
An air compressor with a nail gun will come in handy for nailing large flat areas like this.
Curved or uneven roof trusses will cause osb roof sheathing to warp or buckle under roof coverings.
Place the first screw.
Nail it every couple of feet.
Lay asphalt felt paper or special waterproof underlayment such as a self healing membrane over the roof.
Also use more nails and place them closer together to build a stronger roof.
We go in depth on how to install roof sheathing.
Some roofers will use 15 pound 6 8 kg roofing paper which is an effective method although the best method is a self sealing membrane with a rain screen.
Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof.
For vaulted or cathedral roof construction provide a free ventilation path from eaves to ridge between all rafters.
Install the drip edge on the gable ends of the roof after you finish installing your underlayment.
Install osb panels on aligned roof trusses.
Install the roofing screws vertically along each rib in the panel.
Use a tin snips to cut the drip edge to size.
Ensure roof trusses are in proper alignment with no curves or uneven sections when installing osb to sheathe roofs.
When installing roof sheathing use nails with longer nail shank larger diameter and a larger head than may be required.
When ordering the sheathing divide the total number of square feet of roof surface by 32 square feet a 4 x 8 panel and add an extra 15 for waste.
Thickness will range from 3 8 to 3 4 inch depending upon local code.
Starting with how to place the first row of sheathing we cover fastening methods the use of h clips stagg.
Install baffles providing a minimum of 1 inch of clear space between framing and or under roof decking at eaves to ensure that ceiling or roof insulation does not block ventilation paths.
Start at the bottom side of the gable and overlap the sections of drip edge a few inches as you work your way up the roof see figure a.