Metal Roof Curb Flashing

Provides uniform curb construction method and quality with watertight design.

Metal roof curb flashing.

With the complexity and assortment of roofing systems available today a variety of designs is required to work with all conditions a good flashing system must be versatile economical maintenance free simple to install and adapt to multiple penetrations and angle irons yet have uniformity allowing fast easy. A galvalume coated roof doesn t mean that a galvanized steel roof curb is the best thing to use in fact galvanized roof curbs are known to rust corrode and leak particularly along weld joints as soon as a year after installation. In addition a 20 year warranty comes standard on all aluminum curbs. Roof curbs for standing seam metal roofs pick the proper material.

Sill apron features pliable pleats that form to the roof. The extra kick at the bottom of the face directs run off away from the structure. Here again the curb base sides extend to the next natural seam and mates to the roof panel by lapping over the rib making the curb an integral part of the roof system. This drip edge flashing provides protection from water damage along the eaves and rake of a roof.

This requires a flexible seal at the penetration and proper attachment to the roof. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. These flashings are easily welded to the installed membrane and the combination of reinforced membrane and prefabrication ensures a long lasting watertight flashing. Roof curbs may include a custom finish that matches the roof color.

Jm tpo curb flashing is a 60 mil reinforced tpo membrane with an encapsulated edge used on curbs and parapet walls. Metal roofing edm flashing pieces interlock with roofing material for a fast weather tight installation. Standing seam roof curbs install under the roof panel on the up slope and over the roof panel on the down slope which results in a shingled watershed condition. Duro last prefabricated curb flashings are designed for roof penetrations.

For r panel applications we use the same design techniques as curbs for standing seam roofs. Economical flat flange models are also available. Gibraltar drip edge flashing can be used with asphalt shingles or metal roofing panels. More product details close.

Good roofing practice allows penetration movement independent of the roof.