what you need to do —

Identify type of roof and rain removal systems:

— ceramic tile on main house
— protective guards on rain gutters, etc.

Roofing materials come in asphalt and fiberglass shingles, cedar shakes, tile, slate and other more expensive materials.

You may consider adding a solar panel or other alternative energy systems:

view center: alternative energy

Rain removal systems include gutters, down spouts, and underground piping that channels the water to respective areas.

Visit our Home Improvement Gallery for complete information on roofing and rain removal systems:

	view center: roofing / rain removal systems
	view center: exterior home directory

Check framing building codes:

check this online building code guide: http://www.codecheck.com

From howstuffworks.com:
about building the roof

Getting Started:

Step 1: develop the plan
take a completed draft of the spec sheet to your architect or planner, who will can customize a remodeling plan or revise an existing plan that meets your specs.

use your spec sheet and floor plan to bid the construction project to contractors


Step 2: get required building permits
It will either be up to you or the contractor to obtain each permit.
all about permits
lookup your local government for permit information


Step 3: find pre-screened roofing contractors and other service providers:

find a roofing contractor Use this quick search to find customer-rated roofing contractors from your area.