presentation 30:
DESCRIPTION
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. - PowerPoint PPT PresentationTRANSCRIPT
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Presentation 30:
STARTING 3-TAB SHINGLES
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Underlayment
• Felt underlayment is installed on a roof deck before shingles are applied.
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Underlayment
• It comes in rolls three feet wide.• It is installed with an overlap.
4″ minimum
2″ minimum
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Drip Edge
• Metal drip edge is often installed to protect the roof perimeter.
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• This comes in lengths of ten feet.
Drip Edge
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Shingles
• 3-tab shingles are typically 1′ x 3′.12
″
36″
Cutout slots
Self-Sealing Strip
Typical Nail Locations
Attributes of a shingle:
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Starters
• Starter course must be installed to seal the tabs along the perimeter of the roof.
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Starters
• Starter course is a full shingle with the tabs cut off.
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Starters
• Starter course is a full shingle with the tabs cut off.
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Starters
• It is placed under the first course.
Starter also fills in the back of the cutout slots.
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Starters
• Notice the self-sealing strip under the tab.
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Beginning Shingles
• Install the starter strip on roof perimeter.
NOTE:Self-Sealing strip along the roof edge.Rake edge is installed first.
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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.
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Beginning Shingles
• To speed up installation, the first piece of each course is cut ½ tab shorter than the previous course.
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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.
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Full Shingle Installation
• The roof is completed in a similar fashion.
Top course is cut off.
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Full Shingle Installation
• Waste pieces from making the ½ tab starters are used to complete the roof.
Once a full shingle.
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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.