Roof deck framing unlike for decks at ground level doesn t entail a ledger attached to the rim joist of a house.
Retrofit deck on sloped roof.
These new roofs can be either low sloped less than 2 12 functional roofs or high pitched greater than 2 12 architectural roofs depending on the expectations of the building owner.
Single ply roof manufacturers may also have minimum requirements for roof deck properties depending on how the roof.
A metal roof has recently been shown to have a service life of 60 years or more meaning it will likely last for the entire useful life of the building.
Retrofit roof retrofit re covering of an existing roof not only restores the roof s performance but is used to change and alter the roof s slope and other more visual characteristics.
The mbci nuroof retrofit roof system utilizes light gauge 16 ga.
Also the slope could be increased to improve the aesthetics of the roof by adding hips valleys and color.
If required steel posts and beams or sub purlins are first installed to form the structure for a new sloped metal roof.
A deck on a sloped roof requires a different approach to the framing underneath the joists.
Retrofit roofing systems be it for aesthetics or improved weather integrity many building owners with flat roofs less than 1 4 12 slope chose to add a sloped metal roof to their existing building.
A sloped retrofit metal roof incrementally extends the life expectancy of the building reducing roof maintenance costs.
Loadmaster can be used in both flat and sloped structures with all types of roof coverings.
Depending on your needs retro master provides every element required for a retrofit including structural framing sub framing and your new metal roof.
Once you have your beams in place everything above them joists deck boards balusters and handrails is the same as for any other deck.
Metal roofs have been documented to perform well and have a long service life.
Systems that meet building code.
The use of metal retrofit roofs allows the flat roofed buildings to undergo a transformation into a sloped roof building.
See our retrofit section for information on retrofitting loadmaster lightweight insulating concrete poured gypsum conventional steel deck and rigid insulation.
When faced with the need to replace a flat roof many building owners find retrofitting a more viable investment and so they erect a long lasting low maintenance sloped metal roof.
2010 standard for steel roof deck has a total load deflection limit for steel roof deck at l 120 whereas ibc table 1604 3 footnote a stipulates a total load deflection limit of l 60 for structural metal roofing figure 6.
To 12 ga steel framing installed over the existing roof s framing members to create a sloped plane.
Loadmaster provides a complete roof deck system.