Robertson Building Systems

LokSeam

LokSeam® is a snap-together standing seam roof system with a 1 3/4″ tall vertical rib, for use on roofs with a minimum slope of 3:12. LokSeam® panels are available in 12-inch, 16-inch and 18-inch widths. LokSeam® panels can be installed over open framing or a solid substructure and are capable of transitioning from roof to fascia with the use of a rib cover.

LokSeam
LokSeam® is a snap-together standing seam roof system with a 1 3/4″ tall vertical rib, for use on roofs with a minimum slope of 3:12. LokSeam® panels are available in 12-inch, 16-inch and 18-inch widths. LokSeam® panels can be installed over open framing or a solid substructure and are capable of transitioning from roof to fascia with the use of a rib cover.
 
Gauge
24 gauge (standard)
22 gauge (12″, 16″, 18″)
26 gauge (12″ – optional)
 
Length
Maximum 50′ (standard), other lengths are available as special requests
 
Dimensions
16″ wide and 2″ high (standard)
12″ also available
 
Finish
Galvalume Plus®
Signature® 200
Signature® 300
Striated (standard)
Embossed Striated (optional)
Limitations
Max 4′-0″ Purlin Spacing for 24 & 22 Gauge Panels.
Solid substrate (ie. Plywood/OSB) for 26 Gauge Panels
Min. 3:12 Roof Slope
 
Fasteners
Concealed Fasteners (Exc: Exposed Fasteners @ Eave)
Concealed Panel clip allows for Expansion & Contraction
 
Usage
Snap together Roof Panel, no seaming machine rental
Weather tightness warranty available
 
Advantages
 
Insures watertightness and easier erection
Improves erection and enhances watertightness
Minimizes oil canning
Flexible and convenient erection
Creates a trimless eave
Increases weathertightness and improves appearance
Minimizes air infiltration and water penetration and enhances acceptability among specifiers
Better transition to hip, valleys, and roof openings
High energy efficiency system
Allows roof to expand and contract maximizing weathertightness
Provides of varying insulation thickness
25 year finish warranty
Reduces insurance costs
Helps with oil canning