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Im*1 Installing The First Sheet On A Square Roof. I . From the corner where the cave and rake meet, nicasure alcing the cave 48 inches and mark. 2. From the corner of the rake and Fig. 8 the ridge, measure along the ridge 48 inches and mark. 3. Snap a chalk line between the3e marks for sheet alignment. 4. To establish a drip -edge overhang of all eave sheets, drive nails into the corner rafters at either end of the eave, and stretch a line between them 1 3/4" out along the length of the cave. Visually align each sheet gJ X I of the cave row with this string for a uniform drip -edge. 5. Starting at the cave/rake corner, fasten the rake corrugation of the first sheet of Ondura at each Pullin 60 up the rake (see Fig. 8 nailing pattern). Edges with X's are not 6. Now align the opposite edge of the nailed down until lapped sheet with the chalk line. Nail in by adjoining sheets. place (see Fig. 8) along the second corrugation from the chalk line to allow for the side lap of the next sheet. If using closure strips, install before nailing eave. Finishing The First Row Of Sheets. You call now install the remainder of the first row. I . From the first chalk line, mark off successive 44-inch spaces along the cave. Do the same at the ridge. (The 44-inch distance allows for a 1-corrugation side lap.) 2. Snap chalk lines between the cave and ridge marks for sheet alignment. 3. Noting the nailing pattern in Figure 8, install the rest of the cave row (see sidelap in Fig. 9). Installing The Second Row Of Sheets. Fig. I I For High Wind Areas - Increase the number of nails used. Place nails on every crown with rows 2,C an center. Edge with X's are not nailed down until lapped by adjoining sheet. For Areas of Extreme Wind - Increase the number of nails used. Place nails on every crown with rows I Z' on center. Edge with X's are not nailed down until lapped by adjoining sheet. i0c w. Fig. 10 CAUTION: Be sure to center endlaps on purlins and center nails on endlaps. 7" overlap i. . 1. 1.:. 1. 1. 1. 1. 1. . 1 L 111 3 1/2" !t�� Purlin - -on Purlin 1 3/4" overhang The second row can be installed so that all side -laps tneet lower Installing Ondura Tile On A sheets in the middle, or so that all side -laps line Lip fi-om row to row up the slope of the roof to offiet the sidelap of one row frorn the other. New Structure. To stagger the.sidelaps from row to row, begin the second row with a sheet cut in half along its length (see Fig. 9). Be sure to cut On new buildings, Ondura riles install over solid decking of a the sheet in its valley. Since the edge Of this first Sheet Won't line. up tninimum of 1/2" thick exterior grade o.s.b. or plywood (or thicker with the chalk line of the first row, make a new line half a sheet's as required by Your local building code). Cover this deck with a distance in front the rake. Now install the remainder of the second minimum 15 pound asphalt roofing felt (or heavier as i required by row using full sheets and new chalk lines (every 44-) for alignment. your local building code) or ice water shield. Install dr p-edges and Lap the lower end of the second sheet row 7 inches over the upper gable trim as desired or required. Seal the asphalt felt with roofing end of the first row. And be sure the center of each lap is over the cement to all areas to be flashed. To check the sqUareness of your center of the purlin beneath (see Fig. 10), roof visit our website for useful tips. NOTE. For instruction on installing nhe ridge and other CA U110N.- Avoid installation when the material temperature is installation tips, turn to page 7. below 35 OF. Fig. 1 96' Estimating Ondura Sheets 21' 96 ft. length X IT 26.18 sheets. ,iTinches width/sheet Round up to 26.25 sheets per row. 21 ft. slope length 3.5 rows. 6 ft. per sheet row F26.25 sheets/row X 3.5 rows/slope X 2 slopes = 183.7 sheets; o 0, r 184 sheets required. Fig. 2 Estimating 15.5' Ondura Tiles 40 ft. ridge length X 12" 10.9 tiles. Round up to 11. 44 inches width/sheet I I tiles per row. 15.5 ft. slope length 12.95 rows. 14 in. per tile row Round up to 13 rows. 1E, tiles per row, 13 rows X 2 slopes = 280 tiles needed for job. Fig. 3 Now X7-, 7'ry Re -roofing over roofing X. 09dura special order roofing panel old metal deck Roofing felt Re -roofing over Minimum 1 /Tplywood or i- boards old metal deck Ondura special order roofing panel Old metal roofing Storage At The Job Site. While stored at the job site, Ondura sheets or tiles should remain wrapped in their plastic shipping covers. Left outside and uncovered, damage can result from rainwater trapped between sheets or tiles. Unwrap stacks as needed during installation. Don't allow stacked sheets or tiles to get wet while stored. Cutting Ondura Sheets And Tiles Use a utility knife with a sharp blade to cut in the valleys (See Fig. 4) parallel to the corrugations using another sheet as a straghr edge. For cuts across the corrugation use a circular saw with a carbide -tipped blade inserted in reverse. For a smooth cutting surface, place a I" x 4- board -along the cut line and slide your Scors in valley with A . lity knife, saw along the board. Wear eye then flex sheet back and forth protection when cutting. for a clean -edge break. Drive Nails Correctly. i CAUTION: Use only genuine Ondura nails for installing sheets and tiles (tiles at eave and ridge only) (See Fig. 6). Other types of nails may not provide sufficient hold-down strength. Fig 5 Drive Ondura nails only through the top of corrugations. And drive Correct Incorrect /'In..,,.ct perpendicular into - ptirlins ... not at an angle, so the rubber washer is snugly in contact with tile sheet (See Fig. 5). Don't overdrive or under -drive nails. Slight hand pressure on a nailed down corrugation should not sepa- rate sheet from washer contact. a directly over old Fig. 6 1/16- diameter supports to provide uniform support Ondura nails are available in a diamond head - galvanized finish; or in a variety of 1/9'thick X 5/8- O.D. painted finishes to match sheet EPDM rubber washer colors. In highly corrosive environ- Installing Ondura Sheets On ments, such as saltwater areas or In .136'diameter ring shank ------- 111- 3- the vicinity of fertilizer storage, we recommend using stainless steel nails. Rigid insulation up to A New Structure. 1 1/2 inches thick can be put beneath Ondura by using 4'nails. Use only genuine Ondura nails. Oil new buildings, Ondura sheets install either over pLirlins Look for the distinctive nail head pattern. (See Fig. 9) or over solid decking covered by roofing felt or ice water shield (See Fig. 3). Over decking, simply follow these same instruc- tions making sure decking is secure before nailing down sheets. Pulling Nails From Sheets. We strongly recommend installing Ondura over solid decking for all residential applications and buildings with interior ceilings. TO pull a nail from a shect, use a daw harnmer Fig. and a 1 1/2" wood dowel or pipe. (This tech- 7 nique minimizes the chance of damaging the I Re -Roofing With Ondura Sheets. sheet.) Put, the dowel or pipe in the valley next to the crown with the nail to be pulled. Then Ondura works well as a new roof over an old asphalt shingle roof use the dowel or pipe as a leverage point for Over roofs with a generally uniform surface, just install sheets using pulling the nail. (See Fig. 7). nails long enough to penetrate I" into supports of decking beneath. Over corrugated metal (See Fig. 3) or other irregular roofs, first install nail- er strips using lumber spaced appropriately for the slope of the roof Repairing Holes. 24" O.C., then Jay Ondura sliects per instructions. Be sure that nailing strips are properly securely to roof rafters. Repair nail -size holes by either filling with rubberized elasionteric flashing cement/caulking; or coating the shank of a screw with rubber - Applying Sheets Or Tiles To ized clastomeric flashing cement/caulking and screwing it into the hole. For larger holes, carefully pull nails from damaged corrugations, then Solid Decking Or Purlins. cut a hill -length sheet so that its wide enough to cover the hole, plus 2 corrugations on each side of the hole. Careffilly remove the nails from Solid decking underlayment must be a minimum of 1/2" o.s.b. or die upper end of the sheet. Lap two corrugations on each side of the plywood. Ptirlins must be at least I- boards. hole, and slip the sheet tinder the lap of the row above. Nail into place. Re -Roofing With Ondura Tiles. OndUra tiles make an ideal re -roof over both shingles (up to two old roof layers) and metal roofing. Over shingles, simply nail in place as you would a flew roof after first removing shingle ridge and hip covers and repairing any rotted or unstable deck. Over flat, standing seam metal over a solid deck, simply flatten the metal seams and proceed as if over shingles. Check local codes for other dry -in procedures. Over corrugated or irregular metal roofing, we recommend use of Ondura sheets instead of tiles. Drive Shingle Nails And Ondura Nails Correctiv. Drive shingle nails through the valleys 4 1/2" from the top edge Installing The Second Row. of the tile so that the lapping tile covers heads. Drive perpendicular into roof decking - not at all --. 1. Snap a chalk line (or pull a string line) 14" from the lower edge angle - so nail head is snugly Fig. 12 Ondura nail of the first row of tiles (See Fig. 15). in contact with tile. See Fig, 12. 2, Begin the second and all everi-nuiribered rows with a tile cut along Do nor overdrive or underdrive in crown, a valley with a knife so diat this tile has only six crowns. Doing this nails. You can also use a roof- staggers side -laps from row to row so there are never four Liles ing nail gun; however, never thick at any point, use a staple gun. 3. Place this six -corrugation tile flush with the take edge, butting the Use only genuine 3" Ondura chalk line snapped on the first row. This will give You an even expo - nails to drive through corruga- sure alone the roof. tion crowns at the eave, through 4. Nail this tile in ridge cap at corrugation crowns, place and install and at the lower corners and Shingle tile remainder of center of end lap of each tile nail in the second row to protect against wind lift. valley. using full tiles. See Fig. 13. 5. Continue installing rows on both sides Installing The First Tile of roof until reach - ing the ridge. r% N01 With wq� Fig. 14 For high wind areas, R)ofin Felt z 4 Z X X X X -X-X-x �,X4�';-�;�-J, x /* How I Ix X, 0 = Shingle nail I valley under lap X = Ondura nail in corrugation crown AwL 175guare nOOT. valley, alwaysjlash the va&- yfirst, then workfrom the rake edge to the valley. 1. From the corner where the eave and rake meet, measure along the eave 48 inches and mark. MINIM 2. From the corner of the rake and the ridge, measure along the ridge 48 inches and mark. FLASHING 3. Snap a chalk line between these marks for tile alignment. 4. Now You call install the first tile with a 1.75" overhang. Starting at the rake edge of the tile, nail down the first corrugation so that this edge is aligned with the rake. 5. Place a closure strip between the tile and drip -edge and nail tile Small Pipeflashing Accessory in place with barbed roofing nails (4 1/2" from top) and Ondura nails (through closure at eave). See Fig. 13 nailing pattern. (1 2-X 12- Flat Center). Check cave alignment to insure installation is straight. The sniall pipeflashing accessory can be used fOr cold pipes LIP to 10" in outside diameter or for hot pipes with a maximum of 6" in outside Fin-ishing The First Row Of Tiles. diameter. To install, line up die corrugations of die accessory widi those of the Oridura sheet so the pipe to be flashed will come through the 1. From tile first chalk line, mark off successive 44-inch spaces center of the accessory. Cut a 15" x 15" square hole in the Ondura sheet so the accessory will nest well. Apply two beads of rubberized along the eave. Do the same at the ridge. This distance allows for a one corrugation side lap. elastorrieric flashing cement/caLlIk around the square hole before 2. Snap chalk lines between the eave and ridge marks for tile alignment. 3. Now lap the second tiJe one corrugation over the first, fastening placing the accessory. Cold Pipes: Cut a hole in the center area of the accessory to fit the pipe. Insert the pipe. Slip an Ondura pipe flashing boot with rubber it as you did the first one. 4. Continue fastening tiles until you are five tiles from the end of the collar over the pipe, caulk the boot to the flashing accessory and then fasten it to the accessory with sheet metal screws. cave row. Lay die last five into position to see if You have a tile valley flush with the rake, If you do not have a valley flush with the rake, Hot Pipes: Cut a hole in the center area of the accessory that is 2" bigger all around than tle hot pipe. Install the hot manufac- shift all five unnailed dies leh or right until you have a Valley flush with the rake. Fasten these tiles in place Arith closure strips beneath cave edge. pipe turer's boot with caulk and sheer'nietal screws. Then install the pipe manufacturer's storm collar per their inscructions. Finishing Up: Fig. 16 Cut a full-sized Small Ondura sheet to a Pipeflashing sevell-corrugation Ondura width. Cut an opening 20 inches Sheet deep front the Exploaded view Ondura 0 of molded base Pipeflashing Boot bottom edge of the pipeflashing Molded Base pipe sheet and three accessory in Flashing Accessory corrugations wide. stallation Fit the sheet over the Ondura flashing accessory so Sheet that it will cover the top and both side corrugations. This sheet should fit directly over the sheet to which the accessory is applied, be caulked to the accessory, and its upper end should be under the lap of the next higher row Of Ondura sheets. Fasten with Ondura nails (see Fig. 16). Fig. 18 Inside closure Use elastomeric caulking at all strip p ant flashing joints and closure strips. Deck Ondura of Closure Ondur purlins strips Nail Outside closure strip under flashing Purlins Flas ing Flashing Fig. 19 Sidewall Sidewall covering SIdewall Sidewall covering Flashing Fastener Flashing Ondura Closure under flashing Ondura Deck of purlins D tener purlins Fig. 20 Sloping rafter Fig. 21 Large Pipeflashing Accessory (20k20- Flat Center). FINISHING 'File large pipeflashing accessory can be used for cold pipes up to 18 inches in outside diameter or for hot pipes with a maximum of 14 inches in outside diameter. To install, line up the corrugations of the accessory with those of the Ondura sheet so the pipe to be flashed Handling Hips With Sheets or Tiles. will come through the center of the accessory. Cut a 23" x 23" square For hips, sheets or riles from either side must meet to support hip cover hole in the Ondura sheet so the accessory will nest well. Apply two (an Ondura ridge cap). Framing should also be in place beneath and beads of rubberized elastomeric flashing cement/caulk around the near enough to the upper ends to receive nails securing the hip cover. square hole before placing the accessory. Snap chalk lines on each side of hip to mark area of hip cover. Then Cold Pipes: Install the same as the small pipeflashing accessory. cut closure strips in two corrugation pieces and using rubberized elas- Hot Pipes: Install the same as the small pipefla-shing accessory. tomeric flashing cement/caulking, caulk in place a two corrugation Finishing Up.- Cut a hill -sized Ondura sheet to a nine -corrugation overlapping pattern (Fig. 30 or 31). InstA hip cover with 7- end laps. To width. Cut an opening 27 inches deep from the bottom edge of the sheet achieve a tile effect, either buy ridges cut to tile or cut ridges to 19 3/4". and five corrugations wide. Place the sheet over the flashing accessory so that it will cover the top and both side corrugations. This sheet should fit directly over the sheet to which the accessory is applied, be caulked to the Installing The Ridge On A Sheet accessory, and its upper end should be under the lap of the next higher Or Tile Roof. row of Ondura sheets. Fasten with Ondura nails (see Fig. 16). Install all sheets or tiles on both sides of the roof before laying the Valley Flashings. ridge. At the ridge, the upper ends of sheets or tiles should be no more than I two inches apart to support the ridge cap (Fig. 22, 27, 28 or 29). For valleys, install a minimum 24- wide metal valley flashing. Cut sheets or tiles at an angle to fit the valley; then turn over, and on the undersides along the valley edge, caulk two corrugation pieces of closure strip in an overlapping pattern (Fig. 17). Then put a 1/2- bead of caulking on the flat side of the closure StViDs and on the sheet Don t nail down the upper ends yet. They're Secured with Ondura nalls when the ridge cap Is nailed in place. Ondura ridge caps are avail- able in two widths to cover a wide range of building applications. Place the first ridge cap at the end of the ridge away from the prevailing wind, allowing it to project out three to six inches from the ridge end. Insert closure strip, then drive Ondura nails through ridge piece, closure strip, and every crown of underlying sheets or tiles. Now cut in three to six inches along the crown of the portion of ridge. cap projecting out from ie end. rold clown resulting between the closure strips. Turn sheets or tiles right side up, careful- flaps for a weather guard. ly lay in place so caulked closures seat on flashing, and nail in place. Position subsequent ridge caps with a 7" end lap. Slope Changes. To achieve a tile effect, cut ridges into fourths and install See Fig. 18 and 19 for Ondura installation at a slope change. in the same manner as full Flashing width should be increased as slope differences increase or sized ridges with a 7" end lap. whenever water build-up on the lower slope can be substantial. Sidewall Flashing. 9ndura Sheets As Siding. As siding, Ondura sheets are installed either vertically over girt framing See Figs 20 and 21 on how to flash when OndUra roofing meets or horizontally over studs. Short common washered nails can be used a sidewall. in valleys. Always use 3" nails in side -lap crowns. In both applications, 24 inches is the maximum suggested Support spacing. Easy Maintenance. Ondura sheet and tile roofs are easy to maintain. Over a period of years, weathering will age your Ondura's roof coating. So you'll want to give your Ondura roof new life by repainting. First, sweep dirt and loose debris off vour roof. Then either brush or svrav with acrylic latex or another top quality 100% acrylic latex exterior paint. Planning For Ventilation. Caution: Do not steam clean or use pressurized cleaning equip- ment oil Ondura roofing. All roofing requires ventilation. It's a false economy to ury to conserve heat in an uninsulated building by closing off ventilation openings. That's because poor ventilation can cause severe, conderisa- Ondura Tile Rake Trim. tion problems and dripping, which in turn can cause deteirioration of roof framing and covering materials. Bring rocifing felt I" to 1 1/2" over the edge of the rake board. Snap See Figs. 24-28, for suggestions oil how to take advantage of a chalkline 4" from the top of the rake board. Cut one -corrugation Ondura's corrugated design and Ridgeline Ridge Vents and Ondura lengths from an Ondura tile. Make certain to cut in a straight line in Ventilated Closure Strips to assist ventilation. the valley. Starting at the eave/rake corner, lay first tile, not securing NOTE: The flexibility of Ondura sheets and tiles may lead to take edge. Nail the side portion of the one -corrugation strip under misalignment or "spreading" if care is not taken to keep sheet and the rake edge of the tile, securing at bot corners w ere strip all ti e ciles at nominal width (48") during insta ation. meet. Nail the other side portion of strip at Fig. 23 Walking On Ondura Sheets. each corner to the rake board, aligning with Ondura Installation of roofing materials can be dangerous. The reladve amount the chalk line. Finish tile of danger is increased by the height from the grousid, increasing pitches of installing first row of the roof slope, inclement weather conditions or other factors. %Ve strongly ide. Continue installing recommend anyone installing Ondura or working oil a roolf in any rake edge trim with first manner take all precautions possible to insure their personiAl safety. tile on each row. Make When walking on nailed -down Ondura sheets wear soft -soled shoes certain to use genuine Fascia A and walk oil Lop of purlins only, placing feet across corrugations. Ondura nails wherever Ondura is more pliable in hot weather; less pliable in cold weather. nail head is exposed I Pc. corrugation Always use care in walking on Ondura or any other roof. (See Fig. 23 & 25). Fig. 24 Ordure ridge cap Ridgeline ridge vent Solid closure stri Ondura Air ridge closure strip !Use tventedR at the save Wood or metal rake trim Ondura '-�:'!-Purlin End rafter Air Rake Fig. 25 Ondura Fascia Air Screened or Fig. 26 slotted opening _J Fig. 27 Standard ridges cap installation Minimum F Maximum 7' 7- Solid Ondura sheet closure strip Ridge cap cap Solid Ondura closure strip Felt Plywood Put a nail through ridge cap Fig. 28 at every corrugation crown. Ridges cap at gable end. Fold down flaps on and Fig. 29 of ridge cap. Fig. 30 1 Finished hip installation Fig. 31 -:7 Hip ridge, cap -7 2-Corrugation pieces of solid closure strip 'Accessories Pipeflashing And Boots. Available it) two sizes to acce mageline Ki geO Vent. Ridgeline is the ideal product for achieving balanced air flow throughout the attic area, which helps eliminate moisture, reduce energy costs and increase roof life. What's more, the Ridgeline vent is practically invisible once installed. Note: When installing Ridgeline Ridge Vent under Ondura Ridges, you must a wide range of hot or cold pipes. The pipeflashings install easily with one of Ondura's new thermoplastic pipe boots. The small size measures 12" x 12- flat center. use Ondura Narrow Ridge Caps (79' x 12 1/2-), and Ondura 4- nails. The large measures 20" x 20- flat center. Ridge Caps. Now available in two widths. Narrow Ridge Caps, ideal tbr residential use, measure 79" long x 12 1/2" wide. For farm or commercial use, wider Washered Ondura ridge caps measure 79' long x 19" wide. Both widths are made from Nails. stainless steel nails are required. Fire Rating. Ondura special order shects arc available with a class "C" lire raung. For additional tips, such as installing Ondura ventilation system. _T Care roo1r.-C-Minnney flashing, and additional helpful illustrations, see our website at: Ondura Skylights For Use With Sheets. www.tallantinc.com or call: 1-800-777-7663. Ondura Lranslucenr-whire fiberglass skylights are not recommended for No statement in this literature should be construed as a residential applications, but are an excellent source of natural lighting for warranty claim. For an Ondura warranty, please contact the agricultural and commercial structures. Ondura skylights are manufactured with the same dimensions and corrugations as the Ondura roofing sheets. customer service department at the address listed below. Nail holes must be pre -drilled 1/8" larger than the nail to allow for weather- ing exparision/contraction. Follow the suggested Ondura sheet nailing pat- tern. \yAicrever one skylight panel laps with another, we recommend use of a clear mastic such as silicone sealant, and the use of grornmet fasteners at ,side laps between purlins. Wherever a skylight panel laps with a regular Meets EPA recycled -content recommendations Under the Ondura sheet, we recommend the use of rubberized elastomeric flashing k%,,omprchensivc Procurement Guidelines.) ondura cernent/call1k. is listed as a recommended product on the Environmental Protection AgcnLy website. THE NEW WAVE IN ROOFING OFIC North America Inc. phone: 800.777.7663 email: info@ondura.com 4900 Ondura Drive Fredericksburg, VA 22407 International: +540.898.7000 web: www.tallantinc.corn fax: 540.898.4991 0 20 10 011d,jrs is a egiste,ed trademaik of OFIC North America Im. rhe same material as Ondura sheets and cover 6 feet of ridge or hip will, a 7" They're galvanized or painted to triatch sheet colors, overlap (Also available in Ridge tile.) ring shariked, and come with a large EPDM rubber washer assembled, 3' standard length. 4" length is Lightweight and easy to install. Use alone or with Ridgeline Ridge Vents. available for use over rigid insulation. III high corrosion conditions near salt water or in fertilizer applications, Glosur -Strips. Available in two styles: Vented and Solid. Use Ventilated Closure Suips at die cave to improved airflow beneath the cor- rugations. Use Solid Closure Strips in all the valleys, hips and wherever a water- tight seal is required. Also use Solid Closure Strips in conjunction with Ridgeline Ridge Vents for improved 7 M Z u tA N Z in Z M M 0 0 0 11N rn 5 � Ul .1 - Z 00 Z 5 � to to - W Z < 0 > u < C) (D 0 Z co T ry < M P Z In U! M a CD u. 0 lu C1 Z Z3 (Y. QL 3