Minimum Roof Edge Details

Drop edges are a more simple process but are equally important to finish perfectly.

Minimum roof edge details.

Low slope metal perimeter edge details include fascia coping and gutters are critical systems that can strongly impact the long term performance of single ply roofs. Struction details illustrated in this manual depict wood nailers and blocking at roof edges and other points of roof termination. Recently spri has zeroed in on the roof edge. Drip edge varies in dimensions but typically the flange that nails to the roof surface is about 2 5 wide and the vertical edge that directs roof runoff down and away is about 1 5 in depth.

Wall with self terminating parapro paraflex 531 liquid flashing. To effectively waterproof this area we like to follow a detail supplied by manufacturers that calls for running the membrane all the way to the roof edge and down over the fascia. Roof edge details 9 1 general of all exterior building components roofs probably have the greatest exposure to environmental and physical abuse. Lightning protection terminal wall mount detail.

Wall flashing with coated metal edge. Lengths of drip vary but typically it s sold in ten foot lengths 120. Wood nailers must be adequately fas tened to the substrate below to resist uplift loads. Drop edge buildups are as important as inside and outside corners in terms of your ability to create a seamless finish.

Metal drip edge at the roof edge is difficult to seal against water intrusion. Roof the roof dimensions to the closest inch the roof slope and drainage direction a description of the conditions at each edge and details about any penetrations such as pipes and skylights. Because of the wide variation in detailing this section will not. Heat welded walkway installation.

Install a wood nailer at the roof edge. Wall base termination detail. Allow the epdm field membrane to pass over the edge by minimum 100 mm and fully adhere it to the front of the wood nailer over its full length. Detail drawing index 1 a c unit curb 17 parapet wall w counterflashing 2 draining edge detail 18 pipe penetration 3 edge corner coating detail 19 plumbing vent 4 edge metal w flashing raised edge 20 raised curb detail 5 equipment base flashing 21 roof deck.

Use stainless steel screws to fasten the metal edge profile to the wood nailer at 100 mm on centre. Do not over rout during edge clean up. The minimum thickness for a drop edge strip is 7 16 11 mm. The metal expands and contracts and puts a stress on any sealant you may apply at lap joints.

This especially is true at parapet walls and copings and roof edges where edge metal shapes are fastened to wood blocking. For years leading roofing manufacturers have taken a systems approach to their product lines.