Single lock 90 degree seams and double lock 180 degree seams.
Roof seam 90 degree profile.
90 degree seams also called single locks mean there is only fold in the metal seam.
180 degree seams also called double locks mean the metal seam is folded and crimped twice.
Each profile is 1 2 inches 31 cm in height 1 3 inches in.
Because mechanical panels are securely seamed together it is critical to use expansion clips to accompany the metal s natural expansion and contraction.
There are two different versions of mechanical seams.
They are available in white copper and silver.
Rene thanks for the question and your interest in metal roofing.
Check out this great deal on the dis 70591 di roof seamers 70591 90 degree hand crimper today.
A damaged panel can be replaced with minimal effort.
Single lock 90 degree seam quick facts.
For wind uplift loads i believe that the 180 seam would be significantly stronger.
For pricing and availability.
Single lock refers to one fold of the seam or 90 degrees.
For gravity type loadings snow or live loads i believe the 90 degree seam would be slightly stronger.
For pricing and availability.
The s 5 h90 is a one piece clamps that has been developed to be a secure and cost effective roof clamp to accommodate metal roof panels with a horizontal seam greater than 0 65 turn it 90 degrees causing the side with the bolt hole to face up.
Single lock standing seam profile 90 degree seam standing seam panels are assembled by forming single folds.
Bending and bowing aluminum roofing and siding sheets are rollformed from hard ened tempered metal for maximum strength.
If a sheet must be bent a gentle 90 degree bend is the maximum recommended.
Roof pitches contact fabral for other suitable profiles.
While single lock profiles won t perform as well as a double lock single lock still performs well in milder environments.
Unlike double lock profiles single locked systems are easier to install.
I am familiar with the profile that you mentioned.
Sentinel profile bars are extruded pliable pvc bars designed to provide pvc membrane with the appearance of a standing seam metal roof.
Maxima maxima 1 5 and maxima adv mcelroy s maxima family of products represents the industry s broadest selection of vertical leg standing seam systems.
Union corrugating 4 5 in x 10 ft white aluminum drip edge.
In this position you can slip the clamp on the seam and tighten the set screws.
Roofing flashings.
