Skylights are great to have if they don’t leak- but a pain if they do. Quite often the corners at the upper portion of the skylight develop gaps where water can easily penetrate causing an interior leak. These holes can be filled with a tripolymer clear sealant (pic.1) . Also, check the metal flashing across the top if it’s brown to make sure it is not rusting through.
Do It Yourself Roof Repair Skylight Picture 1
This skylight requires a homemade flashing kit which is inferior to
factory kits, hence its removal (pic.2)
Do It Yourself Roof Repair Skylight Picture 2
Tar and homemade flashing placement doesn’t always quite hit the spot (pic.3)
Do It Yourself Roof Repair Skylight Picture 3
Once the old one is out the rebuilding can begin (pic.4)
Do It Yourself Roof Repair Skylight Picture 4
I chose a Velux brand to replace it (pic.5)
Do It Yourself Roof Repair Skylight Picture 5
The bottom corners need to be dissembled to install the larger piece of flashing at
the bottom to get started. Next are the sides and lastly the top piece (pics. 6-14).
Do It Yourself Roof Repair Skylight Picture 6
This rubber flap needs to be folded over the
flashing to waterproof across the bottom of the skylight.
Do It Yourself Roof Repair Skylight Picture 7
Do It Yourself Roof Repair Skylight Picture 8
Do It Yourself Roof Repair Skylight Picture 9
Do It Yourself Roof Repair Skylight Picture 10
Do It Yourself Roof Repair Skylight Picture 11
Do It Yourself Roof Repair Skylight Picture 12
Do It Yourself Roof Repair Skylight Picture 13
Yourself Roof Repair Skylight Picture 14
Here is another skylight that depends upon tar or some other type of sealant to waterproof its installation. Due to contraction and expansion breaking the watertight seal around it, other products are more desirable (pic.15)
Do It Yourself Roof Repair Skylight Picture 15
This is the only Velux I have ever had to replace – installer negligence. Putting a skylight in sideways looks fine on the inside until it rains. A 2X4 skylight is not interchangeable with a 4X2. The person who installed it …well, I guess I shouldn’t go there (pic.16).
Do It Yourself Roof Repair Skylight Picture 16
Wasco is another attractive alternative with a rubber seal to funnel water around the perimeter. Installation is fairly simple (pics. 18-22).
Do It Yourself Roof Repair Skylight Picture 18
Do It Yourself Roof Repair Skylight Picture 19
Do It Yourself Roof Repair Skylight Picture 20
Do It Yourself Roof Repair Skylight Picture 21
Do It Yourself Roof Repair Skylight Picture 22
Do It Yourself Home Roof Repair is the revised version of the original Roof Repair Guide. All Pictures and Information Copyright 2007, 2011. All images and Information MAY NOT be copied. If you want to share the information with someone, link to this site.
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