metal roof L feet mounting
Aluminum L feet metal roof mounting
Material: The industry standard is AL6005-T5 aluminum alloy. This material offers an excellent strength-to-weight ratio and is highly corrosion-resistant. High-quality versions feature an anodized surface treatment (typically 10-15 microns thick) to withstand salt spray and harsh weather for 25+ years.
Dimensions: A standard L-foot usually has a base of 80mm x 40mm, but heights vary significantly (typically 80mm to 150mm) depending on roof clearance needs.
Load Capacity: A single, properly installed L-foot can withstand significant forces, often rated for wind loads up to 1.4 kN/m² (approx. 60m/s wind speed) and similar snow loads.
Purlin Integrity: For penetrating mounts, hitting the structural purlin is non-negotiable. Attaching an L-foot only to the thin metal sheet of the roof will result in catastrophic failure during high winds.
Thermal Expansion: Metal roofs expand and contract with temperature changes. Quality L-feet often utilize slotted holes in the base, allowing the roof to move slightly without stressing the bolt or the racking system.
Corrosion Control: To prevent galvanic corrosion (where two dissimilar metals react), stainless steel hardware (SUS304 or 316) is used for the bolts, while the foot itself remains aluminum.
The L-foot is more than just a bracket; it is a precision-engineered component designed to handle structural loads, environmental stress, and waterproofing challenges simultaneously. Choosing the right type (penetrating vs. clamp) and ensuring proper sealing are the keys to a safe, leak-free solar array.
Necessary information to design and quote of the adustable tilt solar racking mounting system manufacturers china:
1. Panel dimension: length, width and thickness?
2. Tilt angle?
3. Panel layout? How many panels in a column, how many panels in a row? How many solar panels in total?
4. Max wind speed on project site?
5. Max snow load on project site?
6. roof top type : metal roof or tile roof or concrete roof .
Requirements to design and quote of the adjustable tilt solar racking:
1) solar panel datasheet (L x W x T)
2) planed layout: ___row X ___nos modules
3) tile angle
4) roof type: metal or tile or concrete
5) orientation of solar panel: portrait or landscape
6) wind load and snow load
Welcome to make drawing with quotation for you.
Any further news,pls contact with me,following information.
Email: sales6@starwinsolar.com
whatsapp: +8615206096360
Cellphone:+86-592-2076007
website: www.starwinsolar.com
