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PYTHON65 SLANT BACK VENTCan be usedas an intake orexhaust ventOffers 65 SquareInches of Net FreeVenting AreaClass 4 impactresistance ratedLower profile forless visibilityPython’s patented 65 SlantBack Vent is made from nobreak polypropylene material. Python 65 Slant Back Ventoffers 65 square inches of NetFree Venting Area.Higher NFA means fewer roofpenetrations.Features a lower profile thanmost static vents on the marketmaking it less visible on theroof.Suitable for any roof pitch from2/12 to 16/12.4 Side Crickets: sheds wateraround the throat of the vent,making it virtually leak proof. High wind deflector: located atthe throat bottom - preventswind driven rain from enteringthe vent.Arrow Locking Mechanisms:prevent cap blow offs.Will not Dent or Rust17" x 22" size for easyinstallationComes in three colors: Black,Brown, WeatherwoodCodes Texas Dept of Insurance(TDI) RV-123Florida Building Code FL38735UL 2218 Class 4 impact (hail)resistantAttics need to breathe tokeep cool and dry with properventilation. Reduces utility costsPrevents mold and mildewExtends shingle and roof decklifeEliminates damaging ice damsin winterReduces air conditioningmaintenance costs

Python SteepSlope VentilationSystemWeather-Tite Rolled Ridge VentValue drives everything we do. That’s why we developed the Python Steep SlopeVentilation Division. This comprehensive line of products offers easy installation,remarkable building ventilation, lower utility costs, extended shingle and roof deck life,extreme durability, and outstanding warranties. Get more quality, more performance,and more value .from Python 3-IN-1 FlexFitRidge Vent65 SlantBack Vent150 Round VentSpecsNet Free Area: 65 Square Inches of Net Free AreaDimensions: Width 17" x Length 22" x Height 4.33"Material: No-break polypropyleneCodes & Standards: TDI, FL Building CodePassed: Florida TAS 100 (A) Wind & Water 110 mphColors: Black, Brown, WeatherwoodRoof Pitch: suitable for any pitch from 2/12 to 16/12Patents: US Pat No. 8,181,403, US Pat No. D629,093Vent Weight: 2.065 lbs. per piecePack Unit of Measurement: 6 per carton4 Side Crickets: Sheds water around the throat of thevent, making it virtually leak proofConstruction Detail: High Wind Deflector preventswind driven rain from entering ventDurability: Will not dent or rust, UL 2218: Class 4Impact ResistanceArrow Shaped Locks: Prevent cap blow offsEasy InstallSee our installation instructions online at MarcoIndustries.com1. Locate the roof vents toward the rear or side of the housespaced evenly over the width of the roof.2. Mark the location of all roof vents before cutting holes.Center the holes between the rafters down two feet (24")from the peak of the roof. When installed as an intake ventplease position vent at two feet (24") from the eave or edgeof the roof. Ensure that attic insulation does not block intakevent.3. Holes should be cut 11" High x 10" Wide. The Python 65 Slant Back Vent box has a template for error proofinstallation. Using the template mark the outline for the holeon the roof. The hole in the roof should never be larger thanthe hole at the bottom of the vent.4. Shingle up until shingles cover the bottom of the hole.Cut the excess shingles away. Because shingles are part ofa porous system applying an approved sealant around theedge of the hole is required.5. The top of the Python 65 Slant Back Vent has a slantedpeak. Ensure that the vents are installed with the peak at theUP position.6. Secure the vent base with a minimum of 8 galvanizednails. Nails should be a minimum of 1¼" long and shouldpenetrate the vent, shingle, and decking. Secure a nail ineach corner of the vent flashing and along the middle of eachside of the vent.7. For proper sealing use a plastic friendly roofing sealant. Allnails to receive a dab of sealant.8. Shingle up and around the vent ensuring that the shinglesbutt up against the throat of the vent.9. Pre-cut the top shingle to fit around the slant of thevent and nail in place. Shingle up as normal to completeinstallation.800.800.8590 / MarcoIndustries.com

PYTHON150 ROUND VENTOffers 150 SquareInches of Net FreeVenting AreaClass 4 impactresistance ratedFor use on largerroofs for fewerpenetrationsPython’s patented 150 RoundVent is made from no-breakpolypropylene material. Python 150 Round Vent offers150 square inches of Net FreeVenting Area.Higher NFVA means fewer roofpenetrations, 1/3 of typical 50NFVA vents.Suitable for any pitch from 2/12to 16/12.Virtually indestructible. Nobending of flange or denting ofdome.26" x 26" size - easy to install.Requires a square cut out whichis easier to cut on a roof. No sharp edges - safer tohandle.Made of high impactPolypropylene with heatstabilizers and UV inhibitorsthroughout.Comes in three colors: Black,Brown, and WeatherwoodWill not rustGreen ProductCodes Texas Dept of Insurance(TDI) RV-124Florida Building Code - FL38735UL 2218 Class 4 impact (hail)resistantCSA approvedAttics need to breathe tokeep cool and dry with properventilation. Reduces utility costsPrevents mold and mildewExtends shingle and roof decklifeEliminates damaging ice damsin winterReduces air conditioningmaintenance costs

Python SteepSlope VentilationSystemWeather-Tite Rolled Ridge VentValue drives everything we do. That’s why we developed the Python Steep SlopeVentilation Division. This comprehensive line of products offers easy installation,remarkable building ventilation, lower utility costs, extended shingle and roof deck life,extreme durability, and outstanding warranties. Get more quality, more performance,and more value .from Python 3-IN-1 FlexFitRidge Vent65 SlantBack Vent150 Round VentSpecsNet Free Venting Area: 150 Square Inches of NFVADimensions: Width 26" x Length 26" x Height 6.97"Material: No-break polypropyleneCodes & Standards: TDI, FL Building Code, CSAPassed: Florida TAS 100 (A) Wind & Water 110 mphColors: Black, Brown, WeatherwoodRoof Pitch: suitable for any pitch from 2/12 to 16/12Patents: US Pat No. 7,544,124, US Pat No.7,780,510, US Pat No. 10,415,252Vent Weight: 4.34 lbs per piecePack Unit of Measurement: 1 per cartonConstruction Detail: With heat stabilizers and UVinhibitors throughoutDurability: Will not dent or rust, UL 2218: Class 4Impact ResistanceEasy InstallSee our installation instructions online at MarcoIndustries.com1. Locate the roof vents on the rear or side of the houseevenly spaced on the width of the roof.2. Mark the location of all roof vents before cuttingholes. Center the holes between the rafters down atleast two feet (24") from the peak of the roof.3. Holes should be cut 17½" Hight x 15½" Wide. ThePython 150 Round Vent box has a template for errorproof installation. Using the template mark the outlinefor the hole on the roof. The hole in the roof cannot belarger than the hole in the bottom of the vent.4. Shingle up until shingles cover the bottom of thehole. Cute the excess shingles away. Becauseshingles are part of a porous system applying anapproved sealant around the edge of the hole isrequired.5. The top of the Python 150 Round Vent has amolded in peak. Ensure that the vents are installed withthe peak at the UP position.6. Secure the vent base with a minimum of 8 galvanizednails. Nails should be a minimum of 1¼" long and mustpenetrate the vent, shingle, and decking. Secure a nailin the each corner of the vent flashing and along themiddle of each side of the vent.7. To seal the vent, use a plastic friendly roofing sealant.All nails must also receive a dab of sealant.8. Shingle up and around the vent ensuring that theshingles butt up against the throat of the vent.9. Pre-cut the top shingle to fit around the cricket ofthe vent and nail in place. Shingle up as normal tocomplete installation.800.800.8590 / MarcoIndustries.com

PYTHONW E AT H E R - T I T E F L E X F I T 3-IN-1 RIDGE VENTConverts from12" to 10" or 9"ridge ventClosed externalbafflesPython’s patented WeatherTite FlexFit 3-IN-1 RidgeVent is made from no-breakpolypropylene material. Converts from 12" to 10" or 9"ridge vent by simply scoring thegroove on the top of the vent.Built-in self-closing end caps, noadditional parts or labor required.Closed external baffles make it lesslikely to collect debris resulting indiminished airflow.Suitable for any pitch from 2/12 to12/12.84 Square Inches of Net FreeVenting Area per piece.Specially formulated coated polyester hasbeen manufactured from recycled materialPython’s unique Weather-Tite Attics need to breathe toFlexFit Ridge Vent features a nonkeep cool and dry with properwicking modified polyester weatherventilation.barrier providing a superior net-freeventilation area while blocking outmoisture, pests, and dust. The durablenon-woven material is attached at theunderside of the ridge vent and willnot clog like traditional fiberglass airconditioning type vent filters. Allowingzero snow penetration. Strong and durable - greenproduct No clogs - keeping insects, dust,and moisture out. Reduces utility costsPrevents mold and mildewExtends shingle and roof deck lifeEliminates damaging ice dams inwinterReduces air conditioningmaintenance costsFlexFit 3-In-1 Ridge VentWeather-Tite FlexFit 3-IN-1 Ridge VentBETTERBESTMost innovative field adjustable Ridge Venton the market.Most innovative field adjustable Ridge VentWITH advanced non-clogging weatherbarrier.

Python SteepSlope VentilationSystemWeather-Tite Rolled Ridge VentValue drives everything we do. That’s why we developed the Python Steep SlopeVentilation Division. This comprehensive line of products offers easy installation,remarkable building ventilation, lower utility costs, extended shingle and roof deck life,extreme durability, and outstanding warranties. Get more quality, more performance,and more value .from Python 3-IN-1 FlexFitRidge Vent65 SlantBack Vent150 Round VentSpecsNet Free Venting Area: 84 Square Inches of NFVADimensions: Width 15-1/2" x Length 48"Material: No-break polyproproylene and non-wickingmodified polyester materialCodes & Standards: TDI, FL Building Code, CSAColor: BlackNails: Bag of 30 - 3" NailsRoof Pitch: Conforms to any pitch from 2/12 to 12/12Patents: US Pat No. 7,662,037, US Pat No.9,175,480, US Pat No. D694,394, Canada Pat No.2,776,653Shingle Cap Sizes: Converst from a standard 12” to10” or 9” ridge ventPack Unit of Measurement: 10 per cartonConstruction Detail: Closed external baffles with selfclosing end capsInstaller Detail: Shingle nail lines for easy installationNail Holes: Reinforced to prevent deformation andcrushingApprovals: FBC FL38704, TDI RV-125Easy InstallSee our installation instructions online at MarcoIndustries.com1. Using a chalk line, mark 1" on both sides of the ridge(1" beyond ridge pole) as a guide for cutting a slot in thedecking.2. Cut a slot in the roof ridge using a circular saw withthe blade set at a depth to cut through the roof deckingonly - avoid cutting trusses and rafters.3. Center the Python 3-IN-1 FlexFit Ridge Ventover the slot that has been cut in the ridge, ensuringthat the RIDGE VENT support pegs sit flat on the roof.To ensure proper alignment along the ridge, run a chalkline down both sides of the ridge.4. Using roofing nails provided, install the vent startingfrom the outer edge moving inward. Properly secure byusing the 12" nail holes.5. As you install more pieces of the RIDGE VENT,ensure that each piece is joined together using themale/female connectors.6. Cut the final piece to a length long enough so thatit is flush with the edge of the roof. Ensure that theself-closed end cap is facing out to prevent weatherinfiltration. Interlocking feature will not be used on thefinal piece.7. Install the cap shingles using the nails provided inthe “shingle nail line” area for cap shingle installation asindicated on the Python 3-IN-1 FlexFit Ridge Vent.Visit MarcoIndustries.com for 10” and 9” Cap ShingleInstallation.800.800.8590 / MarcoIndustries.com