Timberline HDZ Weathered Wood Algae Resistant Laminated High Definition Shingles (33.33 sq. ft. per Bundle)

If your roof is 12 feet by 12 feet, you need about 5 bundles of Timberline HDZ shingles to cover the field area [04]. How that works *Timberline HDZ is packaged at 3 bundles per square, and 64 pieces per square *A 12 ft x 12 ft roof area is 144 sq ft, which equals 1.44 roofing squares. *1.44 squares × 3 bundles per square = 4.32 bundles. *Since shingles are bought in whole bundles, that rounds up to 5 bundles.

105 bundles needed

The Timberline HDZ Barkwood Algae Resistant Laminated High Definition Shingles require 3 bundles to cover one square. You will need 105 bundles to cover 35 squares. This calculation excludes any additional waste material unless otherwise specified.

he use of Timberline HDZ Hunter Green Algae Resistant Laminated High Definition Shingles on a dome roof with a 4-inch rise presents several considerations: Key Points: Minimum Slope Requirements: Timberline HDZ shingles are typically recommended for roof slopes of 2:12 or greater. For slopes between 2:12 and 4:12, additional underlayment is required to ensure proper water resistance. Dome Roof and Curved Surface Considerations: These shingles are designed for standard sloped roofs and are not specifically recommended for highly curved or dome-shaped surfaces. The rigidity of laminated shingles like Timberline HDZ can make it challenging to achieve proper sealing, fastening, and uniform appearance on curved surfaces. Improper installation on curved surfaces may lead to performance issues, such as water penetration or reduced durability. Specific to a 4-Inch Rise: The roof pitch represented by a 4-inch rise depends on the horizontal span (run), which is not provided. Without this detail, a complete slope assessment cannot be made. GAF documentation does not explicitly confirm the suitability of Timberline HDZ shingles for dome roofs with a 4-inch rise. Additional consultation with GAF technical support or a certified contractor is recommended. Deck and Installation Requirements: Proper roof deck preparation is essential, including ensuring a clean, dry surface. The use of appropriate underlayment, such as GAF's Shingle-Mate® or leak barriers, is recommended for added protection. Recommendations: Consult GAF Technical Support: For specific guidance on installing Timberline HDZ shingles on a dome roof, contact GAF technical support or a GAF-certified contractor. Consider Alternative Products: If the curvature of the dome roof is too tight for laminated shingles, explore alternative roofing materials that are more flexible and better suited for curved surfaces. If you need further assistance or specific technical documentation, feel free to ask! Please give our technical team a call at 1-800-ROOF-411. They'd be glad to speak with you regarding this particular type of installation.

three bundles per square = 66

The Timberline HDZ® Weathered Wood shingles are laminated architectural shingles, not 3-tab shingles. As such, they do not have a specific "tabs per piece" count like traditional 3-tab shingles. These shingles are designed for a dimensional, high-definition wood-shake appearance and enhanced durability.

The Timberline HDZ Pewter Gray Algae Resistant Laminated High Definition Shingles are suitable for a roof with a 2:12 pitch, provided specific installation requirements are met. Here are the key details: Slope Requirements and Installation Conditions: Minimum Slope: Timberline HDZ shingles are approved for slopes of 2:12 or greater. However, for slopes between 2:12 and 4:12, special underlayment conditions are required. Underlayment Requirements: For low-slope applications (2:12 to less than 4:12), GAF specifies: A double layer of underlayment, or Full coverage of a leak barrier, such as GAF's WeatherWatch® or StormGuard® Ice & Water Shield. Impact of Full Ice and Water Shield: Using a full double layer of leak barrier (e.g., Full Ice and Water Shield) enhances protection but does not change the minimum slope requirement. The slope must still be 2:12 or greater, with the specified underlayment conditions. Warranty and Code Compliance: Warranty: The WindProven™ Limited Wind Warranty applies when Timberline HDZ shingles are installed with the required combination of four qualifying GAF accessories. This warranty has no maximum wind speed limitation. Code Compliance: Timberline HDZ shingles meet certain building codes, including Title 24 requirements for reflective roofing in California. Installation Best Practices: Proper installation techniques, including the use of self-adhering watertight membranes around penetrations and flashing, are critical for low-slope roofs. If you have further questions or need additional resources, consulting a GAF-certified roofing contractor is recommended.

There are approximately 21 shingles per bundle of Timberline HDZ, however, the number of shingles per bundle can vary due to the fact that three bundles of Timberline HDZ shingles cover one square (100 sq. feet) of roof area.

Hello and thank you for your question. The FBC report number for Timberline HDZ Shingles is FL10124.