Pre-Installation Requirements
Ensure the roof deck is properly built and supported per manufacturer’s instructions. Check local building codes‚ prevent moisture exposure‚ and ensure adequate ventilation before installation.
1.1 Checking Local Building Codes
Before starting the installation‚ ensure compliance with local building codes and regulations. Verify requirements for roof pitch‚ materials‚ and load-bearing capacities. Remove existing roofing materials to inspect the deck and ensure it meets structural standards. Confirm that the roof deck is properly built‚ supported‚ and has a smooth surface. Check for any local restrictions or specific guidelines for asphalt shingles. Ensure all materials‚ including underlayment and fasteners‚ meet ASTM standards and local code requirements. Proper preparation and adherence to building codes are crucial for a safe and durable installation. Always consult local authorities if unsure about specific regulations. This step ensures the installation meets legal and safety standards.
1.2 Preparing the Roof Deck
The roof deck must be properly built‚ supported‚ and have a smooth surface. Ensure it is clean‚ dry‚ and free from debris. Inspect for any damaged or rotten wood and replace it. Verify the deck’s nail-holding capacity to support the weight of the shingles. Check for proper alignment and structural integrity. If re-roofing‚ remove all existing roofing materials and inspect the deck thoroughly. Ensure the deck is securely fastened and even. Apply a suitable underlayment as per manufacturer’s instructions. Proper preparation of the roof deck is essential for a secure and lasting installation. Follow all safety guidelines during preparation to avoid accidents. A well-prepared deck ensures optimal performance of the roofing system. Always follow Owens Corning’s recommendations for deck preparation.
1.3 Ensuring Proper Ventilation
Proper ventilation is crucial for maintaining the integrity of the roofing system. Ensure the roof deck is dry and free from moisture before installation. Use Owens Corning Synthetic Underlayment‚ meeting ASTM standards‚ to provide a barrier against moisture. Install underlayment per manufacturer’s instructions and local building codes. Proper ventilation helps prevent moisture buildup‚ which can lead to structural damage or rot. Ensure adequate airflow through the roof system to maintain a stable temperature and humidity level. This step is essential for the longevity and performance of the roofing system. Always follow Owens Corning’s guidelines for ventilation to ensure compliance and optimal results. Proper ventilation ensures the roofing system functions as intended and lasts for years.
Installation Process
Apply Owens Corning Ice and Water Barrier on eaves‚ then lay synthetic underlayment meeting ASTM standards. Install shingles with a 6″ offset‚ starting from the bottom edge.
2.1 Applying Ice and Water Barrier
Begin by applying an Owens Corning self-sealing ice and water barrier to the eaves‚ ensuring coverage in regions prone to ice and water backup. Start at the eaves edge and extend upslope a minimum distance as specified. This barrier prevents leaks and protects vulnerable areas. Ensure proper adhesion by following the manufacturer’s instructions for surface preparation and temperature conditions. Apply the barrier smoothly‚ avoiding wrinkles or air bubbles. This step is critical for ensuring long-term roof integrity and preventing water infiltration. Always comply with local building codes and Owens Corning’s installation guidelines for optimal performance.
2.2 Laying Synthetic Underlayment
Install Owens Corning synthetic underlayment or an equivalent meeting ASTM standards (D226‚ D4869‚ or D6757). Ensure it is laid flat and smooth‚ covering the entire roof deck. Start at the eaves and work upward‚ overlapping edges by at least 6 inches to ensure watertight coverage. Secure the underlayment with fasteners spaced according to the manufacturer’s instructions. Avoid wrinkles or air pockets‚ as these can compromise the roof’s integrity. Verify that the underlayment is installed in compliance with both the manufacturer’s guidelines and local building codes. This layer provides essential protection against weather and moisture‚ ensuring a durable roofing system. Proper installation is key to preventing future issues.
2.3 Installing Shingles
Begin by installing Owens Corning Duration shingles at the bottom edge of the roof‚ aligning the first course with the eaves. Apply shingles with a 6-inch offset and 5 5/8-inch exposure‚ ensuring proper alignment of joints between courses. Use 5 fasteners per shingle‚ placing them 2 to 3 inches up from the eaves edge in the SureNail nailing zone. Start each course at a staggered joint to maintain a balanced appearance. Blend shingles from different bundles to minimize color variation. Follow the manufacturer’s instructions for nail placement and spacing to ensure a secure and weather-tight installation. Proper shingle alignment and fastening are critical for durability and performance.
Fastening Requirements
Use 5 fasteners per shingle‚ placed 2–3 inches up from the eaves edge within the SureNail nailing zone for secure installation.
3.1 Nail Placement and Count
For Owens Corning Duration shingles‚ use 5 fasteners per shingle‚ ensuring they are placed within the designated SureNail nailing area. This area is located in the lower half of each shingle. Proper nail placement is critical to prevent shingle damage and ensure a secure installation. Nails should be driven straight and not at an angle to avoid splitting the shingle. The recommended nail length is 1.5 inches for wood decks. Always follow local building codes and manufacturer guidelines for fastening requirements to ensure compliance and warranty validation. Proper nail placement and count are essential for durability and weather resistance.
Cutting and Fitting
Precisely cut shingles using a utility knife or saw‚ ensuring proper fit around vents‚ valleys‚ and edges. Measure carefully to maintain seamless integration and structural integrity.
4.1 Handling Valleys and Vents
When handling valleys and vents during installation‚ ensure shingles are cut precisely to fit snugly around these areas. Use a utility knife or saw for clean cuts. Apply additional sealant around vents to prevent leaks. For valleys‚ overlap shingles by at least 6 inches and secure with nails. Proper sealing and alignment are crucial to maintain waterproofing and structural integrity. Always follow manufacturer guidelines for specific techniques and materials to ensure durability and weather tightness. Regular inspection after installation is recommended to verify the integrity of these critical areas.
4.2 Ridges and Caps
Ridges and caps are critical for completing the roof installation. Begin by installing ridge shingles along the roof’s peak‚ ensuring they align with the roof’s slope. Secure each cap shingle with two nails‚ spaced evenly on either side of the centerline. Overlap each shingle by at least 6 inches to maintain a watertight seal. Use Owens Corning’s recommended nails to ensure proper hold and prevent lifting. Apply a bead of roofing cement along the edges for added security. Always follow the manufacturer’s instructions for specific details to ensure a durable and weather-tight finish. Regular inspections after installation are essential to verify the integrity of ridges and caps.
Finishing Touches
Ensure all ridge caps are securely fastened and sealed. Conduct a final inspection to verify every shingle is properly aligned and nailed. Check for any gaps or loose material.
5.1 Securing Ridge Caps
Ridge caps are the final touch‚ ensuring a watertight seal along the roof’s peak. Owens Corning recommends using 5 fasteners per shingle‚ placed 2-3 inches up from the eaves edge. Properly align caps with the roof’s ridge‚ overlapping each by at least 6 inches. Secure them using ASTM F1667-compliant fasteners‚ ensuring they penetrate the deck fully. For added durability‚ apply a bead of roofing cement beneath each cap before nailing. This prevents lifting and enhances weather resistance. Always follow manufacturer guidelines for nail placement and spacing to maintain warranty validity and structural integrity. A secure ridge cap installation is crucial for withstanding harsh weather conditions.
5.2 Final Inspection
After installation‚ conduct a thorough inspection to ensure all components are securely fastened and aligned properly. Verify that ridge caps are tightly sealed and fasteners are correctly positioned‚ meeting manufacturer specifications. Check for any gaps or misalignments in shingles‚ ensuring a uniform appearance. Inspect valleys‚ vents‚ and flashing for proper sealing and integrity. Confirm compliance with local building codes and Owens Corning’s installation guidelines. Address any issues promptly to maintain warranty validity and structural integrity. A detailed final inspection ensures a durable‚ weather-tight roof system‚ providing long-term protection and aesthetic appeal. This step is crucial for identifying and correcting any installation errors before final approval.