Commitment To

Cosmos Roofing
Call 650.969.7663
or email at:

1901 Old Middlefield Way, Suite 4
Mountain View, CA 94043
License #785441


Serving Santa Clara
& San Mateo Counties

Cosmos Roofing will perform FREE roof evaluation/inspection with a no obligation estimate for needed roof repairs or replacement. Please fill out the enclosed form and one of the company owners will contact you ASAP to schedule an ON - SITE roof evaluation.
Cosmos Roofing Free Estimate/Contact
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Current Roof Type
 Flat/Low Pitched
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Additional comments or helpful information:

Santa Clara Roof Replacement

If you are thinking of a roof replacement, Santa Clara roof replacement suggests making your choice based on your roof style and slope. Before you actually start any project, it is important that you first find out if there are any building code requirements to be met from. Some areas require that the existing roof be torn off before a roof replacement, especially if there are more than two layers of roofing.

To prepare for roof replacement, Santa Clara roof replacement first removes any dirt and debris there may be on the existing roof. Then, the roof is inspected to ensure it is structurally sound while all damaged components like sheathing and rafters are removed and repaired.

Installation of asphalt shingles

Next, all protruding and sharp objects are removed, while any and all loose roofing material on the roof are nailed down. Once all this is done, Santa Clara roof replacement installs new metal flashing along the roof edges, around skylights and vent pipes and against adjoining walls.

The installation of composition asphalt shingles comes next in line for all types of houses. It is always better to install the shingles based on the vendor’s instructions. Its installation usually starts by mounting a starter strip at the roof edge to ensure the wind does not enter the first course of shingles. These shingles have to be cut to a width of 7 inches and nailed in place while ensuring the material extends an inch over the roof edge.


Using EPDM for flat roofs

The easiest method of installing shingles is with vertical stacking where you need not constantly position the bundle of shingles while you work. Instead, you have to place them in a straight line and starting from the bottom, work to the top of the roof. Santa Clara roof replacement however mentions that there are specific procedures you need to know and use for roofing in valleys, in the channels between roof sections and along the roof ridge.

Flat roofs are popularly reroofed by Santa Clara roof replacement by securing EPDM to an underlayment of plywood bond using fiberglass backing. Then, clean the back of the membrane using an EPDM cleaner and apply a thin layer of EPDM glue to the back of the EPDM and underlayment surface. While the membrane seams should overlap for at least 3 inches, no glue should be applied to the seams as there is a special seam tape for proper sealing.



Cosmos Roofing
License #785441
1901 Old Middlefield Way, Suite 4, Mountain View, CA 94043
Office 650.969.7663
Fax 650.584.3078
Email at
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