Roofing Shingles Pattern

Asphalt composition shingles covering the roof of this home were installed with joints aligned vertically at every other course.

Roofing shingles pattern.

This installation method is called racking racking is an improper installation method for many shingle types. It is acceptable for some shingle types and it is the required method for a few shingle types. Align shingles properly to avoid nail exposure. Because the bending can stress and deform shingles especially in cold weather the ends of those shingles may warp over time creating a prominent pattern on the roof.

Position the nails appropriately according to the shingle installation instructions. Some roofers install shingles so the cutout lines describe a slight angle as you look from the bottom to the top of the roof. For duration series shingles owens corning recommends using either a 4 or 6 nail fastening pattern depending on the roof s slope and building code requirements. Each tab is 12 inches.

Patterns textures and shingle color. For decades the three tab strip shingle dominated the roofing industry with the characteristic geometric brickwork pattern it created on the roof. However most people prefer the cutout lines to be aligned so they make straight vertical lines. Three tab shingles are usually 36 inches long.

Other shingle design patterns have come and gone including shingles that once installed simulated the look of fish scales or had interlocking t shapes scalloped and beavertail rounded tabs. Three tab shingles are still widely available and used. In most cases 4 nails are adequate. Some were even diamond patterned roof shingles.

They are designed to be installed with a 5 inch reveal.