Box Gutter Detail For Parapet

Box gutters are essentially placed between parallel surfaces as in a valley between parallel roofs or at the junction of a roof and a parapet wall.

Box gutter detail for parapet.

We use lots of sketches and photos in our building surveys. Boards under the high point and just above the roof framing. Box gutter design and compliance is detailed in plumbing regulations sa hb 39 installation code for metal roof and wall cladding as well as saa snz hb 114 guidelines for the design of eaves and box gutters. Horizontal beams that sit on top of the rafters.

Theres anything complicated or expensive about getting it right. A box gutter internal gutter parallel gutter or trough gutter is a rain gutter on a roof usually rectangular in shape. Box gutters need to be large enough to cope with a certain amount of leaf blockage and snow n ice capacity. Even if it causes a few days delay i would get it detailed correctly before proceeding.

Box gutters are deemed to satisfy the performance requirements of the national construction code if they are certified to meet. A box gutter is defined as a graded channel generally of a rectangular shape for the conveyance of rainwater within the building footprint including adjacent to a wall or parapet. 1stassociated co uk can provide help and advice with regard to building surveys structural surveys independent valuations property surveys structural reports engineers reports specific defects report home buyers reports or any other property matters. It is at the layout of the design stage that compliance failure of box gutter usually begins.

With building design being so restrictive on space these days this is the area where designers must think about how the roofing contractor will make the box gutter comply. Construction of domestic roof. Additional construction details drawings as well as the small selection of new details here including parapet wall detail mansard roof edge detail and box gutter detail and the foundation wall floor and roof drawings on the contruction details page many of the building notes have a related construction detail drawing with specific dimensions eg rafter sizes spans insulations types for. Each box gutter run must discharge independently to ether a sump or directly out of the building without changing the size of the gutter or changing direction.

Box gutter sketch how to do it right. Box like parallel and rectangular rain gutter usually concealed behind a parapet. Wind resistant box gutter detail drawing dwg 1 55 mb wind resistant box gutter detail drawing dxf 134 41 kb wind resistant box gutter detail drawing pdf 44 26 kb wind resistant chamfer gutter detail drawing dwg 1 56 mb wind resistant chamfer gutter detail drawing dxf 137 09 kb. It may be lined with epdm rubber metal asphalt or roofing felt and may be concealed behind a parapet or the eaves or in a roof valley.