If your ceiling has a plastic vapor barrier between the drywall and the attic insulation push the insulation aside and look for flow stains on the plastic often water runs to openings in the vapor barrier such as at ceiling light fixtures.
Push on roof shingle and water squishies out.
If your shingles and underlayment leak water can get onto the plywood decking and rot it out.
Everything being equal ventilation shingle type climate etc which roof will last longer.
Look in your attic for signs of moisture.
This cutaway drawing shows the steps involved in roofing a house.
This project guide is a combination of those two articles and it covers replacing the existing roof decking installing underlayment and ice dam protection laying the first row laying shingles in the field flashing ridge shingles and vents and more.
One with a steep pitch or one with a shallow pitch.
There are times when it rains especially during big storms that water cascades off of a roof like a waterfall.
Metal drip edge isn t usually required check with a local building official but it gives roof edges a nice finished look prevents shingles from curling over the edge and keeps water from running directly down your fascia boards.
Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies.
Step flashing is found around the chimney and on walls that intersect a shingle roof.
While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.
Protect from wind driven rain.
If one of the steps has become loose or rusted through water can creep behind it underneath the others and into the house.
Some roof leaks are tough to locate.
How to redirect rain off a roof.
The bounciness is limited to one or a few areas of the roof.
Wind can easily push the water upwards before gravity pulls the.
However on the edges the drip edge must compete with the wind.
Install the drip edge.
Shingles along with underlayments and ice and water protector keep wind driven rain from harming the roof s deck.
Short sections of overlapping l shaped flashing are arranged to channel water over the shingle downhill from it.
Drip edge flashing is supposed to push water away from houses.
Seems to me a steep hillside erodes more quickly than a low slope so i d think that roof shingles would wear out more quickly on a steeply sloped roof.
While this is a normal aspect of roofing and.
When conditions are serious the wind pushes water around on a roof.
Open valleys have metal flashing to protect this critical area of the roof.
A couple of weeks ago we published a two part series showing how a local roofing contractor shingled a roof with architectural shingles.
Step flashing protects the gap where roofs meet walls by weaving into.
