Roof Pitch Calculation

We have had customers calling wanting to know how to calculate roof pitch. Roof pitch is the amount the roof rises for 12 inches of horizontal distance. So if you put a ruler under your roof eve and go out 12 inches, mark that spot, then measure up to the roof line...

Roof Leaks Are Usually Not Visible

One thing to remember about leaking vents, most home owners wont see any leak regardless of how much its raining outside, short of a hurricane. This is because the leak will run down the outside of the vent pipe and the inside of the flashing and most likely be...

Old Cast Iron Vent Covers

We have recently had a lot of orders coming in for our M size units for old fashioned cast iron vents. These are usually 4 inch in diameter and found on old homes built prior to 1965. If you have one of these and your vents are chewed up, let us know.

Change on order page

We have modified our order page so that its now measured in outside flashing diameter, not inside pipe diameter. This should eliminate confusion. So when ordering, simply measure your flashing diameter and order the unit that fits.