Metal Tile Roof Installation Proposal
Installation Outline
- Determine number of mounting brackets needed for rail system
- Configure and mark out the placement of each mounting base at the top of the metal roof wave only
- Drill a 2″ into each top wave identified in the layout
- Drill a pilot hole with appropriate sized 24″ long bit into roof sheeting and have an installer inside to attic to identify and mark if the pilot hole has missed a truss.
- If a truss is missed block that hole from inside the attic with a 2×4 (or appropriately sized dimensional lumber) cut to size to fit snugly between the trusses and mounted with construction adhesive and toe nailed/screwed to the adjacent trusses.
- Mount the FlashJack base through the 2″ hole onto the roof with appropriate sized lag bolt with caulk applied to the threads of the lag bolt and on the FlashJack base.
- Screw each FlashJack post into the base and caulk the threads and entire post so as to create an overflow onto the roof.
- Add caulk as needed to create a caulk dam from the base post shaft to the sides of the hole and onto the metal roof
- Once caulk has skinned install the fabricated flashing curb with caulk to the roof around the installed post
- Fill the curb with 1-Part polyether pourable sealant and continue installation
ProSolar FlashJack CFJE-600-1 6″ Commercial Standoff
Link to FlashJack supplier
Specs – Available in 4-1/2″, 6″, 8″, 10″, 12″ tall sizes. Contractor price starting below $6.60 each. Single lag bolt design – Patent No. 6,360,491. Independently laboratory tested to 4,050 lbs ultimate pull out*, 1,640 lbs ultimate side axial loads (engineered with 3/8″ x 5″ lag bolt). Lightweight and corrosion resistant material. Solid aluminum post (1-1/4″ outer diameter and 2″ outer diameter base) compatible with standard 1″ UPC / NES approved flashing.
FlashJack Installation
Customers Roof
Once a baseline height is determined by the distance from the top of the wave of the metal tiles to the roof sheeting below we can choose the length of the FlashJack’s needed for the entire project.
The hole needed to install the FlashJack through the metal roof only has to be big enough to fit the FlashJack base component that is lag bolted into the trusses. If the trusses do not align with the placement of the FlashJacks block those areas from inside the attic as described above as there is ample space to work.
This video shows how the two parts ofthe FlashJack are installed and can be adapted to this customers roof
1-PART POURABLE PENETRATION SEALANT
E-Curb penetration seals replace old-style metal pitch pans with versatile, precast components and 1-Part polyether pourable sealants. CHEM LINK’s E-Curb System can usually be installed in under 15 minutes and never requires flashing or mechanical attachment – a vast improvement over traditional pitch pans!
E-Curbs are highly versatile for sealing penetrations around solar panel mounts, HVAC, Electrical, and any type of structural supports.
Because this roof does not have a flat surface to be able to use the E-Curb precast flashing curbs we could easily fabricate a flashing curb to match the curve of the existing roof. Mounting this system to the top wave of the metal roof would eliminate any water pooling and the possibility of future water intrusion.
Video below shows how the product works as an example and how a fabricated curb could be fabricated to match the top wave of this roof.
Along with the report from the structural engineer the owner hired to validate the integrity of the roof this configuration should satisfy code requirements as the FlashJack is directly attached to the roof trusses and does not rely on the metal roofing for any support. The 1-Part polyether pourable sealant system should satisfy any water intrusion issues now and in the future as the sealant is actually creating a solid plug rather than just caulk.