Iko sig design technology click to enlarge at a door threshold the standard acknowledges that locally a 75mm upstand height is acceptable but either side must step up and drainage must fall away from the pinch point.
Flat roof upstand detail.
They often arise because the roof is considered too late in the process when decisions about the rest of the design cannot be changed or are already built.
Reputable flat roofing manufacturers should have appropriate detail drawings for most penetration requirements.
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This will ensure that british standards and codes of practice are properly maintained including minimum 150mm upstands and mechanical restraints at waterproofing termination points.
Flat roofing flat roofs commercial buildings flat roofs industrial buildings flat roofs residential buildings add flat roof upstand best practice.
The job of an upstand sometimes referred to as a kerb is to lift the glass element of your rooflight off of the roof s surface and is required by building regulations for safety and weathering.
Most flat roof upstand problems arise from restrictions in height such as planning restrictions which cannot be avoided.
Back to flat roof construction.
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The roof lantern upstand in detail.
Nhbc accessible threshold built up roofing bur detail.
The roof lantern upstand in detail.
Darren collins 4th september 2017.
Bs 6229 2003 flat roofs with continuously supported coverings code of practice and bs 8217 2005 reinforced bitumen membranes for roofing code of practice both state that if unwanted water ingress into the building is to be avoided all weatherproofing upstands occurring around the roof area.
If you are adding a skylight to a flat roof you must decide on whether to construct your own upstand or purchase one from your rooflight supplier.
Technical resources for your flat roof project.
Please fill in your details below to access our full list of standard details for sika sarnafils range of systems.
Which would include abutments rooflights.
At bauder our service is free to you and covers all elements for a successful project delivery from initial concept or site survey through to specification package with bespoke drawings and calculations on site monitoring and final sign off and handover.
Iko sig design technology click to enlarge at a door threshold nhbc has agreed that locally a 75mm upstand height is acceptable but either side must step up and drainage must fall away from the pinch point.
