In australia for instance there are cool roof energy savings and incentives for having a painted roof specifically a roof that s considered solar.
How to shingle your own roof.
A square of shingles covers an area of 100 square feet.
Laminated versions carry a lifetime warranty which means for as long as you own the house or for a maximum of 40 to 50 years.
Nail through the self sealing stripe along the center of each shingle.
Place and nail the shingles from the bottom of the roof to the top.
Asphalt roof shingles are sold and installed in units called squares.
Step 4 install the new shingles.
Install the new shingles using galvanized roofing nails.
The cap of each shingle should fall evenly in half over each side of the ridge.
Ensure that each cap overlaps the one below it by 1 4 inch 7 cm.
Shingle coverage three tab shingles usually carry a 20 25 or 30 year warranty against manufacturing defects.
Arrange the shingles so the ends and the tab notches do not lie directly above gaps in the shingle below.
Nail each side of the cap shingle into the roof.
If the shingles fail at any point during that time span expect a check for a prorated amount.
Choosing a good color for roof shingle painting can significantly impact the environment.
If the gaps lined up water could get directly onto the roof sheathing and then seep in through a nail hole.