Winter in the Great White North Message Board

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Strategies & Market Trends : Winter in the Great White North

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To: Stephen O who wrote (4995)	8/29/2003 6:51:02 AM
From: E. Charters	Read Replies (2) of 8273

All you do is put expanded metal or closely spaced wood slats wood down, and spray it or lay thick paste concrete on it about .375 to 1/2 inch thick and card it with a close tined rake, producing grooved channel/rivulets down the slope. No heavier than tile. A 17' X 40' roof slab would weigh 3247 lbs in concrete at .375 thick (not counting the expanded metal which only adds 20%.) Voila, fireproof, windproof, cool roof that is easily repairable and strong. You can do it in metal/concrete tiles or squares, or larger sheets. If you do it in sheets or tiles, then the bottom edges could be covered with grooved cement in about 6 inches and perhaps tarpapered at the overlay join. These type of tiles may need a gutter groove to prevent leakage, but its a matter of experiment. Shakes don't seem to need it. EC<:-}

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