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DENALI CONSTRUCTION
Roofing & Exteriors
ROOFING SIMPLIFIED
Architectural Shingles
Heavy duty, longer lifespan, twice the wind resistance*
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3-Tab Shingles
Builder grade, not offered by us.
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Our installation
Step method
- Manufacturer required installation method
*High wind nailing
- Six nails per shingle
- Four nails per capping shingle
(7,500--8,300 nails avg/roof)
Common installation
Rack method
- Vertical installation method used for 3 tab shingles, unacceptable for architectural, although commonly used by many roofing companies to cut costs
- Can void shingle warranty
Basic nailing
- Four nails per shingle
- Two nails per capping shingle
(4,500--5,400 nails avg/roof)
Added leak protection
A. Synthetic Underlayment
Optional protection layer beneath shingles.
B. Ice & Water Shield
Included water barrier around valleys and roof edges.
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