If the gaps lined up water could get directly onto the roof sheathing and then seep in through a nail hole.
How to shingle your own roof.
Shingle coverage three tab shingles usually carry a 20 25 or 30 year warranty against manufacturing defects.
In australia for instance there are cool roof energy savings and incentives for having a painted roof specifically a roof that s considered solar.
For example painting your roof shingles a lighter shade can directly lead to reduced energy consumption.
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.
A square of shingles covers an area of 100 square feet.
Place the ridge cap shingles over the roof ridges.
Choosing a good color for roof shingle painting can significantly impact the environment.
Ensure that each cap overlaps the one below it by 1 4 inch 7 cm.
If the shingles fail at any point during that time span expect a check for a prorated amount.
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.
Arrange the shingles so the ends and the tab notches do not lie directly above gaps in the shingle below.
Install the new shingles using galvanized roofing nails.
Nail each side of the cap shingle into the roof.
Step 4 install the new shingles.