Sonja Mairenn door, 2017-10-20 10:55:26. A building's doors form the basis for security, the portal for commerce, and the visitor's first impression of the end user's business.
Christabel Daniella door, 2017-10-20 09:43:22. Invention #1. C.G. Johnson invented the overhead garage door in 1921. It was a great idea now doors could be wide enough for easy parking and easy use as they went up instead of needing enough room to slide open.
Mireille Felicia door, 2017-10-20 16:38:29. A fire rated door is a very heavy door made of materials like metal or gypsum. Its main purpose is to hold back smoke and to contain fire. The term fire rated means that the door, when installed properly, is not supposed to combust during a certain time period in the average fire. Time ratings vary and some standard ratings include 20-90 minute doors. Depending upon area small companies or government agencies may determine fire ratings.
Jyotsna Nitika door, 2017-10-20 12:55:36. As the timber frame is often fairly flimsy, extra pieces of timber have to be built into the door for fixing locks and door handles. The extra material is called a lock block. Some doors have lock blocks on each side; others have only one -so you have to be careful when hanging the door to make sure you fix the hinges to the correct edge of the door. New doors should have a stamp on one edge showing the location of the lock block. On some very lightly built doors, blocks are also provided to assist when fixing the hinges, and external doors have blocks and wide rails for fixing letter-boxes find out exactly where these are before buying the door.
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