Flat Roof Hvac Duct

My 1949 flat roof house is on a slab no basement no attic.

Flat roof hvac duct.

Rps duct mounting pedestals are the ultimate solution to mounting duct runs across a flat or pitched roof. More product details close. We purchased an eichler style house few years ago and the contractor moved the hvac duct work to the roof. 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.

For pricing and availability. In addition its flexibility allows for easier installation in hard to reach areas. This is my exact climate we do have to run ducts on the roof all the time. It can be installed with sheet metal screws.

Flexible duct can be installed in place of galvanized pipe in many applications if allowed by your local hvac codes. Hvac system for flat roof no duct house. Lambro rigiflex 4 in x 96 in aluminum semi rigid flexible duct. This sheet of 30 gauge galvanized steel has a maximum temperature rating of 390.

For pricing and availability. The master flow 36 in. Some rooms have no interior wall material on the block like drywall. On top of the equipment rail the duct slide assembly allows for duct movement due to expansion and contraction while assuring that the ductwork can be secured to the support.

The absolute best way to run the ductwork above the roof is to use r8 insulation on the ductwork internal and build a doghouse outside the ductwork with minimum r30 insulation on sides and top of duct. Duct temp gain when inside doghouse with r30 is less than 5 at 50. Booster fans and accessories and whole house humidifiers can help make your existing ductwork system more economical. 4inch 10ft long flexible aluminum air ducting heavy duty black 4 layer dryer vent hose dryer duct for hvac ventilation duct fan systems 2 stainless steel clamps include.

Only 12 left in stock order soon. 4 7 out of 5 stars 29. Hvac duct fittings. Galvanized steel flat sheet can be cut to size for a tough hvac job that requires a customized fitting.

Forum home ca modern forums home maintenance hotline how to conceal hvac duct work on a flat roof. The house construction is concrete block with probably no insulation. 1 reply august 23 2014 10 40am sarah. Then closed cell polyurethane roof waterproofing materials embed and encapsulate the ductwork.

Free shipping on eligible orders. How to conceal hvac duct work on a flat roof. Imperial 6 in x 300. Pool1 free shipping on orders over 99.