Professional Handymen of America researchers have used these sites in the past to get valuable information about anything construction.  If you know of others please drop us an email and we will evaluate the content of the site and post it on ours.  

Building Code Links:

To purchase building code books go to:
www.ubc.com
www.construction.com
www.iccsafe.org

Important Note on building codes: Your public library is a good source for older information.  For up to date code enforcement information contact your state or local building departments for the newest updates.

National listings for Contractors and specialty suppliers:

www.contractors.com      www.thecontractorspot.com 
www.nationalcontractors.com       www.bidclerk.com      www.reliableremodeler.com     
www.advancedspecialtycontractors.com      www.constructionwire.com

Specialty suppliers:

www.thomasnet.com            

Local contractor links:
www.yellowbook.com/
www.yellowpages.com/
www.craigslist.com/

Contractors Licensing:

www.contractors-license.org/

National listings for Architects:

www.aia.org

National Home Improvement Company Links:

www.lowes.com
www.homedepot.com

Hardware and Tool Suppliers Links:

www.sears.com        www.hardwarestore.com      www.acehardware.com
www.hardwarestore.com       www.granger.com     www.harborfreight.com
www.woodcraft.com      www.rockler.com      www.startrightstarthere.com  


Estimating Material Links:

How to Calculate Concrete: 
www.westrocinc.com/Tips/Figure_Concrete/figure_concrete.html 
How to Calculate Asphalt: 
www.hotmix.org/index.php?option=com_content&task=view&id=144&Itemid=227 
How to Calculate Asphalt Shingle Roofing:
www.roofhelp.com/calcmatASx.html
How to Calculate Board Feet of framing lumber in walls, roofs, or ceilings:
www.get-a-quote.net/quickcalc/
How to Estimate Paint:
www.easy2diy.com/cm/easy/diy_ht_calc_index.asp?page_id=35720769
How to Estimate a Deck Construction:
www.vadeck.com/deck-cost-calculator.htm
How to Estimate Brick & Block Walls:
www.turtlesoft.com/Construction-Costs/Masonry/masonry.htm

Material Cost Links:

www.get-a-quote.net

How-to Build Links:

www.diynetwork.com   www.doityourself.com   www.bhg.com     www.lowes.com     www.woodsmithshop.com     www.newyankee.com

Construction Material Links:

www.lowes.com     www.homedepot.com      www.products.construction.com
www.woodplanet.com  


Grading Lumber Links:

Grading Hardwood Lumber: www.ahec.org/hardwoods/pdfs/IllustratedGradingGuide.pdf 
Grading Softwood Lumber:  www.southernpine.com/standard.shtml