Roof Vent Leak From Snow

Can snow cause your roof to leak.

Roof vent leak from snow.

To do that install insulation or more insulation in the attic floor and keep it out of the eaves and soffit vents. Leaks due to snow or rain driven into the attic through louvres or vents acceptable performance condition attic vents shall be installed in accordance with the building code and prevent the entry of rain snow and insects. Look to see if the fasteners are still in place. The roof must be made colder.

If the fasteners are not secure a strong wind may pull up the ridge cap and let rain or snow get into the vent causing it to leak. Another problem with snow is it could melt and refreeze. You should inspect your ridge vent annually. Vent pipe leaks during heavy rain can occur if you have cracks in your vent pipe boot or flashing.

Inches of snow adds weight to your flat roof as the extra weight can cause sagging and leaking before it ultimately collapses from too much distress. Most ridge vents have a plug at the gable end of the roof so be sure it is there and secure. When your roof was installed each vent pipe received a flexible boot to seal water around the round surface of the vent pipe. Exhaust vent condensation this is a very popular source of the winter roof leak phone call we receive.

These boots vary in quality flexibility and longevity. Similar to attic frost related leaks this problem is related to the accumulation of frost inside an exhaust vent commonly a bath vent duct where it travels through an unheated attic.