So... the builder had this nifty tool that shot a lazer beam at a surface and read the surface temp. The temp outside was around 25 and the outside walls were between 63 and 65 degrees with the thermostat at 68. I was talking to a buddy and he told me that 63-65 was unacceptable. Too me, it seems reasonable... but he started accusing me of defending the builder... that the outside walls should be near the temp of the the room/thermostat. IMHO... you would need 2 feet of insulation for that.
A Silverline rep is coming out today. I'm almost positive that its from the weep holes. The windows are Silverline 2900 single hung. I found the model number on the window. They are definately not their cheapest builder grade windows. "Our Premier New Construction Single Hung Window".
Silverline rep just left about an hour ago. He replaced the felt pile with stuff twice the thickness. He said that the state of Illinois allows a 12% infiltration rate on windows. I live in a middle of a subdivision with no houses built around me yet. He said, until the houses around me are built up, with the winds in the open fields around my house gusting, you're always going to feel a small amout of air. He claims no window can keep all the air out.
I think it comes down to the fact that I have cheap builder grade windows.
How do you do an air infiltration test? He said that the only way these tests are done, are in the lab. He said there is no way to actually test the actual percentage of air getting through a window at a homeowners house.
Casements usualy have the best ratings in sealing out air leaks, when I called pella they said no you should not feel any air, they came out and fixed a few, your window rates as good as silverline casements , which I think is an excellant rating, the fact he did repairs tells you something. But I still say only with 30-35 mph gusts should you feel anything. If they leak in moderate wind they need to be fixed, you have a lifetime warranty but need help figuring it out, the test is done in a lab, You could get a blower door test done for maybe 300, it will give a readout of house air exchanges per hour and the tech goes around with a smoke stick pinpointing leaks and how good or bad your home is overall and if he thinks windows are affecting performance. Why didnt this rep schedule fixing all your leakers.
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