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Presentation 30:. STARTING 3-TAB SHINGLES. Underlayment. Felt underlayment is installed on a roof deck before shingles are applied. 4 ″ minimum. 2 ″ minimum. Underlayment. It comes in rolls three feet wide. It is installed with an overlap. Drip Edge.

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Presentation 30

Presentation 30:

STARTING 3-TAB SHINGLES


Underlayment
Underlayment

  • Felt underlayment is installed on a roof deck before shingles are applied.


Underlayment1

4″ minimum

2″ minimum

Underlayment

  • It comes in rolls three feet wide.

  • It is installed with an overlap.


Drip edge
Drip Edge

  • Metal drip edge is often installed to protect the roof perimeter.


Drip edge1
Drip Edge

  • This comes in lengths of ten feet.


Shingles

36

12″

Cutout slots

Self-Sealing Strip

Shingles

Attributes of a shingle:

  • 3-tab shingles are typically 1′ x 3′.

Typical Nail Locations


Starters
Starters

  • Starter course must be installed to seal the tabs along the perimeter of the roof.


Starters1
Starters

  • Starter course is a full shingle with the tabs cut off.


Starters2
Starters

  • Starter course is a full shingle with the tabs cut off.


Starters3
Starters

  • It is placed under the first course.

Starter also fills in the back of the cutout slots.


Starters4
Starters

  • Notice the self-sealing strip under the tab.


Beginning shingles
Beginning Shingles

  • Install the starter strip on roof perimeter.

NOTE:

Self-Sealing strip along the roof edge.

Rake edge is installed first.


Beginning shingles1
Beginning Shingles

  • Install the starter strip on roof perimeter.

NOTE:

Self-Sealing strip along the roof edge.

Rake edge is installed first.

Starter and first shingle butt seams do not line up.


Beginning shingles2
Beginning Shingles

  • To speed up installation, the first piece of each course is cut ½ tab shorter than the previous course.


Full shingle installation
Full Shingle Installation

  • Full shingles are now installed across the roof, but in a vertical pattern.

A full shingle completes a course.

Then another set of starter pieces is installed.


Full shingle installation1
Full Shingle Installation

  • The roof is completed in a similar fashion.

Top course is cut off.


Full shingle installation2
Full Shingle Installation

  • Waste pieces from making the ½ tab starters are used to complete the roof.

Once a full shingle.


Conclusions
Conclusions

  • Underlayment is the first step in installing shingles.

  • Drip edge gives strength to the roof edge.

  • Starter course is a full shingle with the tabs cut off.

  • Self-sealing strip is close to roof edge.

  • Each course is started with ½ tab removed.

  • Waste pieces from the ½ tab cutoffs are used to complete the roof.


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