
How do you install a drip cap?
How to Install a Window Trim Drip Cap
- Measuring Window. Since the window trim drip cap will serve as a sort of awning over the top of your window, the main measure that must be taken ...
- Prepare Window and Begin Installation. Clear away any obstructions from the top of the window sill. ...
- Secure Cap to Siding. ...
- Cut Drip Cap To Secure Sides. ...
- Apply Finishing Touches. ...
How to install a window trim drip cap?
Things You'll Need
- Measuring tape
- Window drip cap (plastic or aluminum)
- Hammer
- Galvanized nails
- Housewrap, felt or roofing tar
- Tin snips
- Exterior-grade sealant
- Caulk and caulking gun
How to custom Bend window drip cap?
How to Custom Bend Window Drip Cap
- Layout and Snip. Make sure the piece of flashing is 4 inches longer than the trim it will cover, then pencil in the cut lines.
- Two Bends Make the Corner. Now comes a series of bends to build the end dam. ...
- Reinforce and Lock. That’s all it takes to form the inside corners; the remaining bends strengthen the end dams and lock the folds in place.
How to bend drip cap flashing?
Things You'll Need
- 7 inch wide aluminum flashing material
- Tin snips
- Hammer
- Roofing nails

Are drip caps necessary?
Do you need the window drip cap? The short answer is, yes. Without the window drip cap installed around your window, the water will either seep into your home and leak all around your window or it will seep into the middle of your double-paned windows.
What is a drip hat?
: a drip or head flashing installed over a window or door.
How do you use a drip cap?
3:136:49How To Install Drip Edge On A Roof - YouTubeYouTubeStart of suggested clipEnd of suggested clipRight into your other drip edge along the eaves just like so and then just like your drip edge alongMoreRight into your other drip edge along the eaves just like so and then just like your drip edge along the bottoms your rake edge you're gonna nail every 16.
Do you need drip edge above door?
Yes you should always put a flashing over the top of a window, called a Drip Cap. If you rely on caulking to prevent water from coming into this joint, it will eventually leak, sooner if the window sticks slight out beyond the siding as it usually does.
How do you install a drip cap?
0:110:52How to Install a Drip Cap to the Door Unit - YouTubeYouTubeStart of suggested clipEnd of suggested clipApplication which will not allow water to creep into the house. Pull the siding back enough to allowMoreApplication which will not allow water to creep into the house. Pull the siding back enough to allow the drip cap to fit behind it apply sealant at the point where the unit meets the house.
How do you install drip edge on a door?
0:421:07How to Install a Drip Cap to the Door Unit - YouTubeYouTubeStart of suggested clipEnd of suggested clipPull the siding back enough to allow the drip cap to fit behind it. Apply sealant at the point whereMorePull the siding back enough to allow the drip cap to fit behind it. Apply sealant at the point where the unit meets the house. And I'm a lead edge of the door frame install the drip cap under the
How do you secure a drip cap?
Make sure the outer edge extends over the gutter. If it doesn't, pull the drip edge out slightly from under the shingles. Secure the drip edge with roofing cement. Apply a continuous bead of cement along the top of the drip edge, then press down on the shingle.
Does drip cap go over trim?
When you install siding over trim that's protected by a drip cap, leave a 3/8-to-¼-inch gap between the drip cap and the bottom of the siding. Unfortunately, I've been on a lot of jobs where the bottom edge of the siding rests directly on the drip cap, often because homeowners don't like the look of the resulting gap.
What does a drip edge do?
A drip edge is an angled piece of flashing that is installed over top of a fascia board. The purpose of a drip edge is to help redirect water from the fascia and into the gutters. The gutters then carry this water away. Drip edges can be installed on the rake, eaves, and gable of your roof.
Where does drip edge go?
The drip edge should be installed on top of the underlayment at all rakes, and below or on top of the underlayment at the eaves. At the eaves, when installing the drip edge on top the underlayment, a 4-inch wide layer of asphalt roof cement (complying with the ASTM D4586, Type I or Type II) is required.
What is the difference between drip edge and rake edge?
So, the drip edge attracts the rain droplets, snow, all types of precipitation into the eavestroughs, and away from the rest of the roof. Rake edges, on the other hand, are placed along the ends of the gables of a house's roof.
Where is the drip cap on a door?
Above doors and windows, the drip cap is placed above the top of the top-most piece of trim of the door or window (the piece that horizontally travels across the door or window).
What is drip cap?
proper installation of a type of flashing known as Drip Cap. Drip cap can come in various sizes, depending upon the thickness of the piece of trim that it is being put in place to protect. One can make drip cap themselves if they are handy with a metal-bending brake. Above doors and windows, the drip cap is placed above the top ...
Why is a drip cap important?
Drip cap is EXTREMELY important! If it is not accurately in place above door, window, or water table areas, rotted wood is something that is bound to happen and is never a question of “if” but “when” the moisture being allowed to penetrate the backside of the trim, will rear its ugly head, in the by-product of these rotting wood situations ...
What is drip cap?
Drip caps are an essential component of a waterproofing system that includes properly installed exterior cladding, trim, a weather-resistive barrier (WRB), and flashing tape. They should be used wherever water can get behind the horizontal edge of an exterior finish material or assembly to help mitigate water intrusion.
How far should drip cap be over trim?
To ensure intended performance, the lower edge of the drip cap should lap ¼-inch over the trim it’s protecting and, for best results, should include an outward kick.
How much gap should I leave between drip cap and trim?
When you install siding over trim that’s protected by a drip cap, leave a 3/8-to-¼-inch gap between the drip cap and the bottom of the siding. Unfortunately, I’ve been on a lot of jobs where the bottom edge of the siding rests directly on the drip cap, often because homeowners don’t like the look of the resulting gap.
Do you need slope to install drip cap?
You don’t need much slope, but you do need enough to help water drain off. When you install siding over trim that’s protected by a drip cap, ...
Do you need a drip cap for waterproofing?
Absolutely. When it comes to waterproofing homes, don't overlook the drip cap. (Photo: courtesy IBACOS) This article first appeared in the March 2019 issue of Pro Builder. Drip caps are an essential component of a waterproofing system that includes properly installed exterior cladding, trim, a weather-resistive barrier (WRB), and flashing tape.
