Buying carpet is not something most people do often. The biggest mistakes you can make when shopping for new carpet and how to avoid them. Learn what commonly causes a carpet to ripple, and how to prevent buckling. See how to correct the problem before its too late and creases occur. The experts at DIYNetwork. Carpet enhances the beauty of a room and helps with insulation. For those willing to try, there is an alternative for professional carpet installation. Follow these seven steps and do it yourselfHow to Install Carpet 1. Steps with Pictures1. If your room is wide enough that youre going to need another piece of carpet, follow the same process with the second piece measure, mark and trim. Be sure the carpet pile is running the same way in both pieces, and that the carpet piece is large enough to overlap the wall by 4 to 6 inches 1. Try to layout your carpet pieces so the seams wont be in noticeable areas, but obviously sometimes that just isnt possible. Where the carpet pieces will join, overlap the two pieces, and then using a utility knife or a rented seam cutter, cut through both pieces of carpet, ensuring the edges will match exactly. After cutting the carpet, center a piece of seaming tape on the floor underneath where they join, adhesive side up. Use the seaming iron to activate the adhesive the iron goes on the tape, not on top of the carpet, and then butt the edges together and seal the seam with a rolling pin or a carpet roller.