Ductwork Attic Pipe

The accessibility of a home s ductwork is a key factor in estimating the cost to replace it.

Ductwork attic pipe.

Ductwork located in an attic crawl space may be difficult to get to and creates a hot and potentially hazardous environment for the crew. Shop plan design service. However an attic in pensacola florida is likely to have a humidity level closer to 100 and the risk of condensation on ductwork would then go up quite a bit. The shiny vapor barrier will protect the ductwork from sweating as long as it s exposed to the surrounding air.

Whether you re adding new heat runs in a basement or changing the layout of an existing hvac system you ll probably be working with round metal ductwork pipe. Today s flexible ductwork is covered with a shiny metallic cover this is its vapor barrier. We invited bob schmahl to give us a few pointers. In more cases than not a 3 ton ac with the ducts in the attic has a ton or so of load that s just from the location of the ducts in the attic and the associated duct gains leakage etc.

Because the average humidity level is 10 20 in phoenix. 1 10 5 25 per foot insulated flexible duct 4 to 16 diameters used as branches or in radial duct attic systems 2 30 13 00 per foot round and oval sheet metal duct 3 to 8 diameters typically used for trunks in small homes and. Cost of installation supplies. The remaining 2 tons of capacity is at least 1 5x oversized for the actual 1 load.

There you have it. Hvac ductwork is typically visible in your attic especially flexible ductwork. The trick to getting these installations right is to use rigid ductwork for all deviations from straight then pull the ductwork taut between the two ends which now point towards each other. Bob s been a tin bender for more than 40 years.

With a heavy duty foil backing that is printed for easy inspection and an aggressive acrylic adhesive nashua 324 amp is the ideal choice for heating ventilation and air conditioning installations that. Engineered for performance and durability using heavy gauge steel our round sheet metal ducting is built to withstand the high air pressures and constant abrasion created in dust collection and other material handling applications. Installing ductwork in the crawl space beneath a home limits movement and poses a lighting challenge. Nashua 324a cold weather foil tape is ul nashua 324a cold weather foil tape is ul code approved for sealing class 1 rigid 181 amp p or class 1 flexible 181b fx duct joints and connections.

Think about it condensation on ductwork probably isn t a big problem in phoenix arizona but why. Item 1790033 model 1790033. The big advantage over a full rigid installation is sound control the installations are quieter than fully rigid ones.