| There are a few ways to install a metal roof. Though | | | | bottom of the panel to hold in place.(These should be |
| I recommend this method. | | | | measured to keep uniform. Continue this method until |
| On a conventional shingle roof, first, tear off all | | | | you have reached the end of the roof. It will |
| shingles, and remove all nails sticking up. This can be | | | | probably be necessary to cut the final piece to fit. |
| done with a roofing spade. You will want a smooth | | | | For this you can use a rock blade in a circular saw, or |
| flat surface to work with. The steeper the roof | | | | a pair of tin snips, but if you choose this method be |
| pitch, the more difficult it is to walk on. | | | | sure to wear thick leather gloves. It is almost |
| I am assuming you have basic carpentry knowledge. | | | | impossible to install a metal roof without getting a |
| After you have swept all debris of the roof, the first | | | | few nicks. If it is necessary to cut around vent pipes |
| thing you will need to do is install a #30 felt paper to | | | | or vents, these cuts need to be precise and tight as |
| cover the entire roof. Start at the lower corner of | | | | possible. Your metal supplier should have special boots |
| the roof and run horizontal leaving the bottom edge | | | | for fitting over vent pipes. These are pretty self |
| hanging off the edge of the roof about ¼ inch. | | | | explanatory. |
| I use a staple gun or slap stapler and 3/8 to ½ | | | | When all of one side of the roof is finished, I usually |
| inch staples to attach paper. Staple the paper about | | | | go back and screw it down, though you may choose |
| every 12 to 16 inches side to When that run is | | | | to do this as you go if it is extremely windy. I place |
| completed, start a new run just above the other | | | | screws 2 ft apart vertically and to the Right of the |
| allowing about a 2 inch overlap. Most of the time | | | | ridges if your going left to right, (ridges are approx 9 |
| there are lines on the paper for you to go by, just | | | | inches apart on conventional metal roofs, place |
| overlap to the first line. Continue this process until | | | | screws about ½ inch out from ridge), or |
| you reach the peak of the roof. Overlap any valleys | | | | opposite the lapping ridge. You can use a chalk line to |
| or ridges about 2 to 3 ft. This does not have to be | | | | make sure you keep your screw rows straight. This |
| pretty as it will not show. But cover all roof areas so | | | | is only necessary to do on horizontally. When this side |
| moisture cannot penetrate. | | | | is screwed down completely, repeat on opposite side |
| Now for the important part, getting the 1st metal | | | | of roof. |
| sheet started straight and I use this procedure. Each | | | | Now you are ready to install closures and ridge cap. |
| piece of metal roofing has a lap edge and a lapped | | | | A closure is a piece of neoprene foam used to keep |
| edge. The Lapped edge has a bout a ¼ inch | | | | moisture and bugs out of the ridge cap. You will want |
| flat spot before the raised ridge, and the lap edge | | | | to measure the width of you ridge cap and split the |
| does not. You should always start with the lapped | | | | difference on each side of the ridge and pop lines |
| edge away from the direction you are going so that | | | | (Chaulk lines)on either side. Other words if you have |
| when you install the second piece, the lap edge will fit | | | | a 10 inch wide ridge cap, pop a line 5 inches down |
| snugly over the lapped edge for support. First, | | | | from peek on both sides of peek. |
| position the first piece of metal about 1 to two | | | | If you have done everything right you should have 2 |
| inches from the peek of roof, depending on how you | | | | to 4 inches of metal above this popped line. |
| measured it, I like to leave about ¾ of an inch | | | | Now take out your closure strips and place about |
| hanging over the bottom so water will flow into the | | | | ½ inch above the line all the way down the |
| gutters. You will want both sides to measure the | | | | roof on both sides. They will interlock on the ends. |
| same and flush with the outside edge of the nose | | | | Cut of excess at the finishing end. Now place your |
| board going up the roof edge. | | | | ridge cap over the closures and being sure to stay |
| Now go down to the other end of the roof and | | | | on the popped lines for trueness. Install a screw |
| measure down the same distance from the peek and | | | | down through the cap into a ridge on the metal |
| mark a line. Now chalk a line from top of panel to the | | | | roofing(not in the flat), you'll be installing a screw |
| line you just marked. This will be your line in which to | | | | about every 9 inches apart into every ridge on both |
| align the top of the panels. Now slide your next panel | | | | sides, cut last ridge to fit. |
| into place, Top to the chalked line and the bottom | | | | Coming soon, part 2 will be cutting valleys and hips, |
| should match up to previous panel edges edge. I | | | | and installing trim accessories. Good luck and have |
| usually install a couple screws at the top most part | | | | fun, but most of all be careful, and be sure to take |
| of the panel just aside the ridges in the metal. Then | | | | every safety precaution. |
| apply 2 or 3 screw up about 6 inches from the | | | | |