Trim the shingles with your utility knife photo 14.
How to put up roof shingles.
Understand the physics of how a sloped shingle roof works.
Repeat this basic pattern alternating shingles across the roof working toward the right side using the chalk line to keep the shingles straight horizontally.
Install the shingles up and halfway past the vent hole or stack.
3 tab shingles are the most common type of shingle they are typically 36 inches long in total.
If the roof shingles and all accessory roof components are arranged and overlapped with this in mind the roof should successfully shed water.
The first thing you need to do when figuring out how to put shingles on a roof is to determine which type of roofing shingles you need.
Start from the top of the roof and remove the old shingles along with the flashing underlayment and vents.
Known in the trade as vertical racking or staggering this how to lay shingles method enables the roofer to install a single column of shingles all the way to the peak without the wasted back and forth motion necessary to fill several rows of stair steps.
Butt a full shingle up against the cut shingle and nail into place.
Inspect the underlying roof sheathing for damage and make any needed repairs.
Nail it down with your roofing gun top and bottom.
Install a layer of roofing insulation as recommended by the roofing manufacturer.
Asphalt roofing shingles simply rely on the force of gravity to shed water from rain or snow melt.
Next install your vent or stack flashing over that row of shingles photo 13.
Use 4 nails per shingle and 6 nails on the prevailing windward sides of the roof as wind resistance nailing.
Hammer down any large nails that are exposed by the removal.