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    Return now blowing ice cold air

    We have a 3 zone house - upstairs, hall and kitchen thermostats. Recently the upstairs was not getting cool air so we went in the attic and discovered that the damper was sticking. Sprayed DW40 to help it open and close better and problem solved. Now today the large return by the hall is...
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    Building a patio roof

    I am building a 12'x31' deck in Dallas, Texas. My questions are about the metal roof structure fabrication. What material would you use? Aluminum, steel? I'd like to keep it as light weight as possible, but the material needs to span at least 19' between metal posts at one point. Would you use...
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    A topic for debate- Closed Cell vs. Open Cell spray foam in Texas

    I am not debating the benefits of spray foam, but more the use of closed cell vs. open cell in a wall/roof cavity traditional wood construction. We are looking to do a 2nd story addition over the garage in spray foam insulation. It is approx. 750sqft. I have a question based on the quotes I am...
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    Relocating electrical panel

    The electrical panel is currently located in the house in the hallway. I have been told by electricians that it is "unsafe and a fire hazard" (it's an old house with old wiring) and so the suggestion is to relocate the panel to the outside brick wall in the backyard and run new wiring. My...
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    How to Find Property Marker Behind House

    Does anyone know a good way to find a property marker? It's near the creek behind our garage and house. I found one side just fine, but can't find the other corner property marker on the other side. Trying to find it myself and avoid paying a company to come find it.
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    Carrying loads in second story above garage

    I am rebuilding the stairs for the upstairs room above my garage. These are the drawings of the proposed stairs. The problem or question is how do I cut the beams that run the full length of the garage ceiling and still carry the loads properly? If you have any suggestions that would be helpful...
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    What wire do I need to run subpanel to main panel?

    I want to add a 100 amp subpanel in my garage but I'm having trouble determining exactly which wire I need to run to the main panel. It will be approximately 75 feet away from the main panel. I thought I needed 2-2-2-4 but I've also read that I could use 3-3-3-5 copper SER cable. I've...
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    How to size flex duct for returns

    I have a 5 ton system. I am not exactly sure how to size flex ducts for returns. I installed 4 12x24 filter grille, 3 with 12" flex duct, and 1 with 14" flex duct. It is not enough for the 2000cfm required. I have since decided to install a 4/5" media filter box and install it in the unit. Then...
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    Thermostats

    I'm installing a Carrier 2H/2C 5 ton system and I would like to use my old thermostats that are 1H/1C but I can't find any information about whether this is ok. I'm also installing the Honeywell HZ322 panel etc for 2-3 zones in my house. Do the thermostats have to be 2H/2C too or can I use old...
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    Redesigning AC System

    I am redesigning my AC system to install a 5 ton unit with 3 zones. I originally bought the 5 ton unit because I went off of a AC chart that said 2500 sq ft is covered by a 5 ton unit (I live in Texas). I have since calculated the CFM to be 2200 and everything I've read says that a 5 ton unit...
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    Hardie Panel Question

    We recently installed hardie panel (smooth) on the exterior of our home. They are 4x8 panels that were installed side by side with small gap for expansion. We are trying to achieve a flat wall appearance with no gap. We have caulked it but it shrinks and you still see the gap. We have tried...
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