How to install laminate countertops
A laminate countertop consists of the laminate on top and a substrate on bottom. Laminate is basically several layers of kraft paper with a picture on top. Its called laminate because it is made by applying heat and pressure to laminate all the layers together. Typically this is less than 1/16″ thick, so a substrate is needed to provide structural stability to the countertop.
You can purchase the laminate and create the top yourself, or what has become most popular is to purchase the top post-form. That basically means the top will already be attached to the substrate. Usually post-form tops come with a backsplash, typically a 4 inch piece that provides a smooth transition to the wall. The most popular edge is the waterfall edge. A waterfall edge curves so that a gentle 90 degree turn is made to finish the top against the wall or to protect the substrate and provide a finished edge along the front of the top.
The standard depth for kitchen base cabinets is 24 inches. So, the standard depth for kitchen countertops is usually around 25 1/4″. Notice that the edge will wrap around the front of your base cabinet slightly. Also, there is usually a lip on the back edge to allow for scribing if the wall is slightly out of square.
When measuring for the countertop make sure to measure the length and depth of each piece. Also, you will need to measure the cutouts needed. These are typically for sinks, cooktops, or slide-in ranges. Normally, you will need to measure the size of the cutout and then measure to the center of the cutout from one edge and then measure to the center from a perpendicular edge. These measurements need to be as exact as possible.
If you are making the cuts, you will need to cut from the back side of the top and use a saber saw or circular saw. If you are cutting the backsplash as well it is easier to use just the saber saw. Make sure that you use a blade for plastics or laminates and also that you tape the cut on the laminate side with masking tape. This will prevent the laminate from chipping.
Once all the cuts have been made you are ready to install the top. Attach the top through your cabinet’s gussets (corner brackets). If you are installing an L or U shaped countertop you typically will need to use glue and fastening bolts designed for mitered corners.
Laminate has become very popular for the DIYer in recent years. Almost any design can be made into laminate because essentially all laminate is just a picture of something. Two major manufactures are WilsonArt and Formica.
http://www.extremehowto.com/xh/article.asp?article_id=60210
http://www.hometime.com/Howto/projects/kitchen/kitchen_6.htm#installlam
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