21. Mechanical fasteners should penetrate concrete decks at least
22. Mechanical fastening of the membrane installed over treated wood nailers should be
23. Mechanically fastened EPDM systems must penetrate how far into concrete decks?
24. Mineral granules applied over mastic as roof surfacing should be deposited at the rate of pounds per square.
25. Mineral surfaced roll roofing should be installed when the temperature is above how many degrees?
26. Mission tile weighs approximately how many pounds per square?
27. Most leaks occur around vents in about every type of roof, usually because of
28. Nails used for roll roofing should be spaced how far apart?
29. Narrow EPDM sheets are usually
30. new 3-tab roof using a 6-inch pattern will require a full shingle on the course.
USA - United States of America Canada United Kingdom Australia New Zealand South America Brazil Portugal England Scotland Norway Ireland Denmark France Spain Poland Netherland Germany Sweden South Africa Ghana Tanzania Nigeria Kenya Ethiopia Zambia Singapore Malaysia India Pakistan Nepal Taiwan Philippines Libya Cambodia Hong Kong China UAE - Saudi Arabia Qatar Oman Kuwait Bahrain Dubai Israil and many more....