Frost Pattern On Roof

A lack of frost can indicate that heat is leaking out through your attic space onto the roof and melting the frost.

Frost pattern on roof.

I film frost accentuated with hoar frost on the cars. A well insulated attic floor will keep the heat in the home better making the roof thaw evenly. Something i implied above but didn t say explicitly is that when frost forms on the roof the roof is below freezing. See the white of the hoar following a pattern set down by the thin layer of film frost.

The biggest tell tale i see are icicles hanging from gutters and roof overhangs. Gulf coast of mississippi. The roof of one car. Snow frost and dew pattern analysis is a technique used in conjunction with other tests such as an infrared scan to identify problems in the roof assembly insulation.

As it cools below 35 degrees water condenses on it. We have placed cookies on your device to help make this website better. 26f degrees nov 19 2014 6 45 am. Morning on the spring equinox the first day of spring brought a few gifts from winter.

In other words the sequence might be as follows. 1 initially the air and the car are at temperature 37 f and the dew point is 35. The overhang porch and garage keep ice on them longer. If the morning sun directly hits your home and not your neighbors lack of frost may just be attributed to the sun s heat.

2 the car roof cools radiatively. This leaves a border of frost on the outside edges of the living area. Frost pattern on roof roofing gutters and all waterproofing anywhere. Patterns on roof hood window and mirror.

And the roof of another. After our recent record breaking snow here in the mid atlantic our house which i have been working on for over 3 decades had no icicles and lots of roof snow pack while my next door neighbor had melted patches in the roof snow pack and icicles almost instantly. Closer building in foreground is unheated thus no odd pattern. However if nothing is different about your home compared to your neighbors you may have a problem.