All the other patterns work in essentially the same way offsetting.
Laying shingles on a flat roof.
Using alternate patterns 1.
Starting at the bottom of the roof map out a guideline with chalk.
You ll get the most life out of your shingles and your roof by laying them in a smart.
Pattern curling and shadowing color blending.
Understand the basic patterns.
But remember the lowest pitch accepted by most cities and counties for applying basic asphalt shingles is a 3 inch rise to a 12 inch run.
Putting shingles on a flat roof is probably not the best way to go but in the event you decide you want shingles on your flat roof instead of shakes tile or metal here are a few good pointers to follow.
Consider four and five.
After completing a column the roofer can go back down to the eave edge of the roof and start laying the next column of shingles.
You won t void your warranty by going with the racking method but with some manufacturers you d have trouble collecting a settlement on two specific problems.
Both step shingling and racking will yield a watertight roof.