Flat To Sloped Roof Flashing

Proper flashing design is the responsibility of the roof designer.

Flat to sloped roof flashing.

The soft aluminum base conforms to most metal roof panels. Flashing problems account for the majority of roof leaks on low slope built up roof systems. Roof leg and a 7 in. Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings.

Roof sheathing is attached to the roof framing trusses or rafters and provides the nail base for the other components of the roof system. At this point order i am considering is roof deck ice water shield insulation board copper flashing and finally epdm. Actually it is the other way around. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.

If the damage to the roof flashing was due to fungus growth use the fungicide to eliminate the. Open valleys have metal flashing to protect this critical area of the roof. The flat roof is the highest point and water sheds down on to the slate roof. Step 3 fix the source of the leak.

Up to 5 3 4 in. Check along this path until you find a blister bubble or other sign of damage to the flat roof flashing. So for low slope roofs water is kept outside the building envelope by providing a perfect waterproofing barrier over the entire roof system and around every penetration in that roof. From there move up the slope of the roof or determine which way water would naturally flow on the roof.

Roofs peel off from the edges so it is critical to hold them tight with the roof deck sealed on the outside we turn to flashing the edges with metal and membranes metal drip edge flashing image details roofing wrb flashing. I recommend 12 in wide step flashings bent for a 5 in. Adequate research of flashing conditions and the use of proper flashing details is vital to the long term success of the roof system. This flashing provides protection for pipes cables conduits and wires.

And in our experience when a single piece of flashing extends only a few inches under the shingles especially on a long roof slope and worse on a roof that happens to slope slightly towards rather than away from the abutting vertical building wall the accumulated roof drainage water near the bottom end of the roof wall intersection will. The narrower step flashing just isn t wide enough to protect the intersection fully.