Flat Roof Duct Addition
It appears that the house originally had only one unit with the second unit added later.
Flat roof duct addition. 1 reply august 23 2014 10 40am sarah. Then closed cell polyurethane roof waterproofing materials embed and encapsulate the ductwork. We purchased an eichler style house few years ago and the contractor moved the hvac duct work to the roof. The off the rack alternative to custom flashing is a galvanized drip edge specially made for flat roofs.
Slide the vent under the shingles so they cover the top half of the vent flange. Apply a bead of asphalt roof cement on the bottom of the vent. Called a gravel stop it works on any kind of flat roof and comes in many colors. One option is to run spiral duct exposed.
The lower half of the flange sits on top of the shingles. The flat roof addition design can go up against different style that when nitty gritty right can ooze a cutting edge feel. Once the flashing is in place the roof is ready to face the elements. Next option is to box in duct.
Tying in a flat roof addition makes it possible to extend and add to your existing property without affecting the look of it. First off the flat roof addition design is an extremely basic direct and utilitarian design every single current trademark. Looking at an older house in las vegas built in the 70 s. May 27 2012.
The issue is that when they installed the second unit they installed the ductwork in the ceiling of the kitchen. Rather than elevating ducts above the roof dura foam systems integrate low profile rectangular ducts that are installed directly over flat roof s deck boards. Step 1 plan. If done properly the flat roof can be tied in so that it doesn t change the look of the house at all.
Nail the lower corners with roofing nails and tar the heads. In addition there s a third type the warm flat roof with airflow that s essentially a hybrid version of the warm flat roof and the cold flat roof. Last option i can think of is add a roof to the house and create an attic if funds are available for such a project. Flat seam roof expansion guidance over 30 feet use batten seam design to allow for expansion copings and fascia also require joints that accommodate expansion between sections figure 1 5 allowances for gutter expansion roof edging and perimeter.
Count the cost of a roof top which will need a curb and crane and play with the options. There are design differences for each type. A roof design gives the chance to extra floor space in the roof volume similar to a space or upper room space. Forum home ca modern forums home maintenance hotline how to conceal hvac duct work on a flat roof.
The house has no attic so they create a drop ceiling for the duct work. The two classic types of flat roof designs are the warm flat roof and the cold flat roof.