Felt Roof Upstand Details

Have adequate provision for the additional loads where a flat roof is to act as a roof terrace roof garden or car parking area have adequate provision for movement in larger roofs particularly where the span of the roof deck changes e g.

Felt roof upstand details.

Technical resources for your flat roof project. Practical considerations however are likely toread more. Reputable flat roofing manufacturers should have appropriate detail drawings for most penetration requirements. Iko sig design technology upstands acknowledge the fact that rainwater can build up on a roof during heavy storm events.

Rainwater can build up on a roof during heavy storm events and it may be stating the obvious but unless checked this water could spill into building and saturate construction elements electrical installations as well as internal finishes and effects. Joints should be continuous through the vertical upstands walls and edges of the. No new flat roof installation is complete without the detail work. For conventional flat roofs this height is taken from the surface of the waterproofing but for landscaped roofs it should be taken from the surface of the finished landscaping.

On exposed membrane roofs the upstand height is measured directly from the membrane surface. Laying a felt roof is hard manual work which once started needs to be finished you cannot leave it. 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. This will ensure that british standards and codes of practice are properly maintained including minimum 150mm upstands and mechanical restraints at waterproofing termination points.

As long as the 150mm minimum upstand height is achieved then theoretically the upstand can extend to any height to suit the roof design and roof edge detail. If you just took your waterproofing up to the edge of the roof and didn t have an upstand the local construction would get saturated. This easy how to video shows flat roofers beginners and pros how to seal external corners. Attention to detail and an ability to measure are essential.

When constructing flat roof waterproofing systems good practice dictates that the minimum required height for upstands is 150mm. On upstands apply adhesive to both the felt and surface of the upstand.