That is the corect spelling, "I laid the carpet." Here, laid is the past tense of to lay meaning to put it down on the floor.
A fitted carpet means that the carpet covers the whole of the floor area. An underlay may be laid first and the carpet laid on top. The carpet is not attached to the floor.
Sawdust
a carpet is called "un tapis" (masc.) in French.
That is the correct spelling of "laid" (an egg, or a new floor).
Industrial, or commercial-grade, carpet is carpet that can be glued directly to the floor. It may also be laid on 1/4 inch thick, 8 pound padding. This carpet is often made of polypropylene.
un tapis rouge
The French term for ugly is laid.
It should also be noted that choosing the carpet that is well suited to a given area is another factor that guarantees that the carpet will be cared for its lifetime. Moreover, once laid, the carpet needs an effective carpet cleaning that should include vacuuming; cleaning with cleaning solutions; and removal of stains or spots.
The word is CARPET. Letters 652 spell TEA, 4523 spell PEAR, 126 spells CAT, 326 spells RAT.
If the carpet comes in 12 foot widths than you are going to need to buy a lot more than you are going to use (unless you can accept that 3 inch part of the floor being covered with carpet that is laid at a different angle - and there is no pattern or "grain" to fit)
Not really a good idea. The water over time from the concrete will cause the board damage. If you use a good pad there is no reason you cannot lay the carpet over concrete.
That is the correct spelling of "laid down" (verb to lay, transitive verb).The past tense of lie (lie down) would be lay down(verb to lie, intransitive verb).