Should I use cartridge or brushable grade?
Through The Roof!™ comes in cartridge and brushable grades. Brushable grade is thinner and can be spread more easily over a wide area. Example use: sealing over the top of flashing. Cartridge grade is able to fill a larger gap without slumping-especially in hot weather. Example use: caulking along the sides between a metal valley and cedar or cement shingles.

Two Types of Roof Leaks
Roof Penetrations: The most common leak is around a pipe, vent, skylight, cable, chimney, parapet wall or anything that penetrates through your roof deck.
Roof Material: Cracks, splits and holes can form in aging roof materials. If small areas of your roofing have become brittle, water can seep through tiny cracks, which may not look like a leak source.
NOTE: Too much deterioration can mean you need to replace your roofing material. Through The Roof!™ is not meant as a roof replacement.
How do I find the source of the leak?
Here are a few tips:
• Start by looking directly above the inside leak. Inspect pipes, vents and cables - anything which was installed by cutting a hole in your roof. Also check metal flashing around chimneys, dormers and parapet walls. Look for signs of pulling away, turned up roofing edges, cracked roof cement, rusted metal, loose and cracked mortar.
• Next, try tracing water from the inside. Leaks are not always directly above the leak inside because water can run between layers of roofing material and along pipes, etc. Look under your roof for a water path along ducts, pipes, beams and electric wires to trace it to where it comes through your roof.

Preparation
Clean surfaces by removing all dirt and oil, and cutting away any loose roofing material. Surfaces previously sealed with silicone caulks should be cut away if possible or surfaces cleaned thoroughly with acetone solvent to get good adhesion. (Silicones can leave oils that interfere with adhesion.)

Tools needed
Cartridge grade: standard caulk gun, plastic putty knife (optional), rag
Brush grade: foam or course bristle brush, rag

Weather guidelines
In colder weather (below 40�F), storing product at room temperature before application will make it easier to use. Through The Roof!™ may be applied to wet surfaces. However, repairs made when the roof is dry are usually better. Through The Roof!™ may not be applied over frosty or icy surfaces. Frosty surfaces can be prepared by cleaning with alcohol.

Brushable Grade Application

Cartridge Grade Application

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