The straps should extend a minimum of 6 onto the roof.
Box gutter installation detail.
Straps are riveted or bolted to the outer edge at the gutter bead and attached to the roof with two brass screws.
Box like parallel and rectangular rain gutter usually concealed behind a parapet.
A visual guide from softwoods timberyards showing you the steps to install an internal box gutter on a gable roof pergola.
Figure 1 as an alternative the top of the rainhead may be installed so that it is no higher than 50 per cent of the flow depth of the box gutter consistent with saa hb39 installation code for metal roof and wall cladding section 5 clause 5 7 3 and figure 5 7 3to prevent internal flooding or damage to the building or contents see figure 2.
A continuous lock strip is soldered to the apron at least 4 below its upper edge.
You will have to adjust all of this according to how regular rainfall flows off the roof you don t want the water to overshoot the rain gutter.
Expansion allowances gutter specific expansion tables based on girth profile metal predicted annual δt expansion of building materials table with various expansion coefficients must be used for fascia and copings with consideration of both metal and substrate flat seam roof expansion guidance over 30 feet use batten seam design to allow for expansion.
Position the rain gutter right the rain gutter should be installed a bit lower down so it is not directly in the path of the sliding snow and the metal roof should hang almost halfway over the gutter.
Strap hung molded gutter this is a typical detail of a gutter hung by straps.
Architects draftpersons builders and other practitioners responsible for designing a box gutter should work closely with the roof plumbers that will install the box gutter to ensure that the overall design and installation will be compliant with relevant regulations.
Whether folded metal locked or welded gaf edge corners and accessories come pre manufactured and ready to install for a clean finished look with no additional field labor.
Boards under the high point and just above the roof framing.
Attaches the gutter to the downspout.
In this detail a one piece copper gutter lining and apron is used in conjunction with a standing seam roof.
If you require any further instruc.
The upper edge of the gutter apron extends at least 6 onto the roof and is folded over and held by cleats at 12 o c.
A vertical pipe where water goes through from gutters and roof catchments to the drainage.
