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Chester Bates
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ChemCurbs can eliminate the number one cause of roof leaks. Properly Installed ChemCurb Penetration Seals fillers shrink and then leak, allowing water to penetrate and enter the building.

The ChemCurb System was designed to replace sheet metal pitchpans and rain caps, relying instead on a permanent rubber penetration seal.

A twenty-year warranty is available on warranted and inspected roof systems.

3 ChemCurbs can eliminate the number one cause of roof leaks. Properly Installed ChemCurb Penetration Seals fillers shrink and then leak, allowing water to penetrate and enter the building. These pitchpans are the weakest part of your roof. The ChemCurb System turns the weakest part of your roof into the strongest. The ChemCurb System was designed to replace sheet metal pitchpans and rain caps, relying instead on a permanent rubber penetration seal. Pitchpans seldom survive more than three years without repairs or replacement. ChemCurb components are guaranteed for ten years, but typically last much longer. A twenty-year warranty is available on warranted and inspected roof systems. ChemCurbs consist of tough, polyester forms that are bonded to the roof around the penetration, creating a cavity which is then filled with non-shrinking rubber sealant. A tight, unified bond is formed, which integrates with the penetration. Because ChemCurbs are modular and come in straight and curved sections, they can be assembled to fit the size and shape of almost any roof penetration. The ChemCurb System is easy to work with and it s environmentally friendly. The cumbersome and laborintensive pitchpan often takes about 45 minutes to install. ChemCurbs install easily in fewer than 15 minutes per penetration. The ChemCurb System is based on GREEN technology: All components are completely safe for use on occupied buildings. ChemCurbs contain no solvents, no toxic materials and no carcinogens. There is no risk of fire or explosion, and ChemCurbs contain no greenhouse chemicals. Make sure your contractor installs the genuine ChemCurb System to protect the investment you ve made in your building s roof. 2

Short on installation, long on performance Roofing contractors deliver a higher quality job at a competitive price and eliminate callbacks.

Chem Link warrants properly installed ChemCurbs for ten years. ChemCurbs can be installed in an easy three-step process, significantly reducing labor costs.

Because of their modular design, ChemCurbs offer greater flexibility in application.

4 Short on installation, long on performance Roofing contractors deliver a higher quality job at a competitive price and eliminate callbacks. The ChemCurb System replaces messy, labor-intensive pitch pans with an engineered, modular seal that permanently encapsulates penetrations with a durable waterproof rubber boot. Chem Link warrants properly installed ChemCurbs for ten years. ChemCurbs can be installed in an easy three-step process, significantly reducing labor costs. The system is compatible with virtually every type of low-slope roof from single ply EPDM and PVC to mod bit, TPO and asphalt. Because of their modular design, ChemCurbs offer greater flexibility in application. They can be used on complex jobs involving multiple penetrations and structural components such as H-beams and pipe supports. A smaller series of circular 3-inch, 6-inch and 9-inch ChemCurbs called E-Curbs are available for thinner penetrations such as single pipes or electronic conduit. In all cases, ChemCurbs provide a permanent, watertight seal that saves money in installation and virtually eliminates callbacks, giving you a more value-added finished roof. 3

Structural Adhesive/Sealant and a self-leveling pourable sealant.

ChemCurbs bond to the roof s surface using M-1 Structural Adhesive/ Sealant, which delivers

5 Short on installation, long on performance. The ChemCurb System consists of three essential components: A pre-cast polyester shell, M-1 Structural Adhesive/Sealant and a self-leveling pourable sealant. ChemCurbs are impervious to ice, corrosion, UV and ponding water and are available in Round, Straight and Corner shapes. These modular components can be arranged to fit any size and shape of the penetration. ChemCurbs bond to the roof s surface using M-1 Structural Adhesive/ Sealant, which delivers a permanent, waterproof bond. Liquid sealant is then poured to fill the cavity formed by the curbs. Installation takes eight to ten minutes under normal conditions. Installation takes about 8-10 minutes under normal conditions. 4

Preparation: It is VERY IMPORTANT to remove all previously applied caulk, mastic, cement, asphalt and other

Brush away all gravel and loose granules.

Use a marker to trace the perimeter of the ChemCurbs, then remove them and set aside.

6 Instructions for installing the ChemCurb System: Preparation: It is VERY IMPORTANT to remove all previously applied caulk, mastic, cement, asphalt and other contaminants from penetrations with a wire brush to ensure proper bonding. Brush away all gravel and loose granules. Position the ChemCurbs around the penetrations in the desired configuration. Use a marker to trace the perimeter of the ChemCurbs, then remove them and set aside. Seal the base of each penetration with Chem Link M-1 Structural Adhesive/Sealant by coating the penetrations to three inches above the roofline. Hold a section of ChemCurb flat side up, and apply two parallel beads of M-1 over the entire bottom surface. Tool the M-1 to a 1/8-inch deep coating. Apply excess M-1 to the bonding surface at the roofline to fill in and level all gaps and irregularities. 5

7 5 6 5. Place the coated curb section on the roof surface in the position marked in Step 2, creating a half form. Press down firmly until M-1 extrudes from the outside edges.

Press firmly in place until excess adhesive extrudes from the outside edge and scarf joints. Tool the joints smooth.

NOTE: On granulated modified bitumen, tool a thin application of M-1 ½-inch wide, around the exterior base of the installed ChemCurb to seal in granules. 6.

7 Place the coated curb section on the roof surface in the position marked in Step 2, creating a half form. Press down firmly until M-1 extrudes from the outside edges. Tool M-1 to a 1/8- inch deep coating. Place the remaining section(s) of curb on the roof surface to complete the form. Press firmly in place until excess adhesive extrudes from the outside edge and scarf joints. Tool the joints smooth. Apply a bead of M-1 around the outside base of the installed curb, and tool to form a smooth fillet. NOTE: On granulated modified bitumen, tool a thin application of M-1 ½-inch wide, around the exterior base of the installed ChemCurb to seal in granules. 6. Pour the sealer: The ChemCurb is now ready to be filled with 1-Part Pourable SealantTM. (If using Pro Pack, thoroughly mix Parts A & B until uniformly black.) Carefully pour sealer into the ChemCurb cavity and tool off to a smooth surface. 7. Skins over and becomes watertight in 20 minutes under normal conditions. 1-Part cures from the top down and bottom up and reaches a full cure in 1 week to 4 weeks time depending upon jobsite conditions. Do not disturb the ChemCurb system until fully cured. 6

ChemCurb System The ChemCurb penetration pieces consist of

F1304P (6" - Gray) -Contains 8 straights per carton only.

ChemCurb Corners 2" corner pieces used with straight

F1305P (Gray) -Contains 8 Corners per carton only.

F1307P (1-Part Gray Kit) -Contains 3 curbs per carton with

cartridges of 1-Part Pourable Sealant and (2) 10.1 oz.

5" Diameter ID round consisting of (2) 3.75" radius pcs.

F1306P (1-Part Gray Kit) -Contains 2 cubs per carton with

9 ChemCurb System The ChemCurb penetration pieces consist of the following sizes: ChemCurb Straights 6" & 12" straight sections used to lengthen the ChemCurb. Fit both curb sizes. F1304P (6" - Gray) -Contains 8 straights per carton only. F1303P (12" - Gray) -Contains 8 straights per carton only. ChemCurb Corners 2" corner pieces used with straight sections to make box shapes. F1305P (Gray) -Contains 8 Corners per carton only. ChemCurb Diameter Rounds 5" diameter ID round consisting of (2) 2.5" radius pcs. F1302P (Gray) -Contains 6 curbs per carton only. F1307P (1-Part Gray Kit) -Contains 3 curbs per carton with (2) 28 oz. cartridges of 1-Part Pourable Sealant and (2) 10.1 oz. cartridges of M-1 Structural Sealant. 7.5" Diameter ID round consisting of (2) 3.75" radius pcs. F1301P (Gray) -Contains 4 curbs per carton only. F1306P (1-Part Gray Kit) -Contains 2 cubs per carton with (2) 1 2 gal. pouches of 1-Part Pourable Sealant and (2) 10.1 oz. cartridges of M-1 Structural Sealant. F1300P (ProPack Kit) -Contains 2 Curbs per carton with 1 gal. of PRO PACK black, two-part urethane sealer and (2) 10.1 oz. cartridges of M-1 Structural Sealant. Sheet: 1 of 16

HOW TO CALCULATE CHEMCURB VOLUMES Note: These figures represent volume of sealant needed for various sizes of curb combinations without displacement for penetrations.

) To figure volume of a square curb: Multiply length x width x depth, (2") x (quantity of curbs needed) the divide by 231 (in³ in a gal.) to get the number of gallons needed to fill the curb.

A corner curb adds two inches to a straight curb on each end. Examples: Four 12" Straights + Four 2" Corners Form a square 16" x 16" x 2" deep.

86 gal 7.5" round Curb + two 12" Straights Form an oval 19.5" x 7.5" x 2" deep. Multiply 19.5" x 7.5" x 2" = 285 in³ Divide 285 in³ by 231 = 1.23 gal 7.

10 HOW TO CALCULATE CHEMCURB VOLUMES Note: These figures represent volume of sealant needed for various sizes of curb combinations without displacement for penetrations. (To estimate exact volume needed, also figure volume of penetrations and subtract from volume of curbs.) To figure volume of a square curb: Multiply length x width x depth, (2") x (quantity of curbs needed) the divide by 231 (in³ in a gal.) to get the number of gallons needed to fill the curb. Note: One gal. pourable sealer = 231 in³ One 1 2 gal. pouch = in³ One 28 oz cartridge = 50 in³ One 10.1 oz cartridge = 4.18 in³ Always figure 2" depth of ChemCurbs. Less invalidates warranty. A corner curb adds two inches to a straight curb on each end. Examples: Four 12" Straights + Four 2" Corners Form a square 16" x 16" x 2" deep. Multiply 16" x 16" x 2" = 512 in³ Divide 512 in³ by 231 = 2.21 gal Four 6" Straights + Four 2" Corners Form a square 10" x 10" x 2" deep. Multiply 10" x 10" x 2" = 200 in³ Divide 200 in³ by 231 = 0.86 gal 7.5" round Curb + two 12" Straights Form an oval 19.5" x 7.5" x 2" deep. Multiply 19.5" x 7.5" x 2" = 285 in³ Divide 285 in³ by 231 = 1.23 gal 7.5" round Curb + two 6" Straights Form an oval 13.5" x 7.5" x 2" deep. Multiply 13.5" x 7.5" x 2" = in³ Divide in³ by 231 = 0.88 gal 5" round Curb + two 12" Straights Form an oval 17" x 5" x 2" deep. Multiply 17" x 5" x 2" = 170 in³ Divide 170 in³ by 231 = 0.73 gal 5" round Curb + two 6" Straights Form an oval 11" x 5" x 2" deep. Multiply 11" x 5" x 2" = 110 in³ Divide 110 in³ by 231 = 0.48 gal To figure volume of a round curb: multiply (radius squared x 3.14 x depth) x (quantity of curbs needed) then divide by 231 (in³/gal) to get the number of gallons needed to fill the curb. 5" round Curb Form a diameter 5" x 2" deep. Multiply 2.5" squared x 3.14 x 2" = in³ Divide in³ by 231 = 0.38 gal 7.5" round Curb Form a diameter 7.5" x 2" deep. Multiply 3.75" squared x 3.14 x 2" = in³ Divide in³ by 231 = 0.38 gal Sheet: 2 of 16

11 M-1 APPLICATION TO THE BOTTOM OF THE CHEMCURB SECTIONS Apply 1 4" diameter beads of M-1 as shown, to the bottom of each ChemCurb section. DO NOT TOOL THE M-1 BEADS SMOOTH! Apply 1 4" diameter beads of M-1 as shown, to the bottom of each ChemCurb section. DO NOT TOOL THE M-1 BEADS SMOOTH! Apply 1 4" diameter beads of M-1 as shown, to the bottom of each ChemCurb section. DO NOT TOOL THE M-1 BEADS SMOOTH! Sheet: 3 of 16

SECTION VIEW A A 16" 1" minimum between pipe and

2" 2" Roof Surface Apply M-1 Structural Sealant

12 SECTION VIEW A A 16" 1" minimum between pipe and ChemCurb 1" minimum between pipes M-1 Structural Sealant all around. At least 3" above penetration(s). 2" 2" Roof Surface Apply M-1 Structural Sealant SECTION A-A SCALE 1 : 4 Apply M-1 Structural Sealant Prime this surface as needed Sheet: 4 of 16

DO NOT USE ROOF CEMENT! ChemCurb Sections M-1 Structural Sealant for bonding ChemCurb scarf joints.

13 STANDARD CHEMCURB DETAIL Roof Membrane Fill ChemCurbs with only 1-Part Pourable Sealer when installing on granulated membranes. On all other membranes, PRO PACK Pourable Sealer can be used. Prime penetrations wth M-1, extending up 3" from base of penetration. DO NOT USE ROOF CEMENT! ChemCurb Sections M-1 Structural Sealant for bonding ChemCurb scarf joints. (Not shown for clarity) External bead of M-1 required. A minimum 1" space is required between all penetrations and the interior wall of all ChemCurbs. Sheet: 5 of 16

14 L - SHAPED CONFIGURATION Roof Membrane Mitre cut inside corners as necessary. ALWAYS WEAR SAFETY GLASSES WHEN CUTTING SECTIONS. Fill ChemCurbs with only 1-Part Pourable Sealer when installing on granulated membranes. On all other membranes, PRO PACK Pourable Sealer can be used. ChemCurb Sections M-1 Structural Sealant for bonding ChemCurb scarf joints. (Not shown for clarity) External bead of M-1 required. Prime penetrations with M-1, extending up 3" from base of penetration. DO NOT USE ROOF CEMENT! A minimum 1" space is required between all penetrations and the interior wall of all ChemCurbs. Sheet: 6 of 16

H - BEAM PENETRATION Roof Membrane Fill ChemCurbs with only 1-Part Pourable Sealer when installing on granulated membranes. On all other membranes, PRO PACK Pourable Sealer can be used.

15 H - BEAM PENETRATION Roof Membrane Fill ChemCurbs with only 1-Part Pourable Sealer when installing on granulated membranes. On all other membranes, PRO PACK Pourable Sealer can be used. ChemCurb Sections M-1 Structural Sealant for bonding ChemCurb scarf joints. (Not shown for clarity) External bead of M-1 required. OPTION: An additional bead of 1-Part Pourable Sealer can be applied over top of the external bead of M-1 to lock in granules on granulated roof membranes. Prime penetrations with M-1, extending up 3" from base of penetration. DO NOT USE ROOF CEMENT! A minimum 1" space is required between all penetrations and the interior wall of all ChemCurbs. Sheet: 7 of 16

ChemCurb Sections M-1 Structural Sealant for bonding ChemCurb scarf joints. (Not shown for clarity) External bead of M-1 required.

16 CABLE SUPPORT PENETRATION Fill ChemCurbs with only 1-Part Pourable Sealer when installing on granulated membranes. On all other membranes, PRO PACK Pourable Sealer can be used. Roof Membrane Prime penetrations with M-1, extending up 3" from base of penetration. DO NOT USE ROOF CEMENT! ChemCurb Sections M-1 Structural Sealant for bonding ChemCurb scarf joints. (Not shown for clarity) External bead of M-1 required. OPTION: An additional bead of 1-Part Pourable Sealer can be applied over top of the external bead of M-1 to lock in granules on granulated roof membranes. A minimum 1" space is required between all penetrations and the interior wall of all ChemCurbs. Sheet: 8 of 16

SOLAR PANEL MOUNT M-1 Structural Sealant for bonding ChemCurb scarf joints. (Not shown for clarity) Solar Panel Mount shall be mechanically secured to the decking in a manner at eliminates movement.

17 SOLAR PANEL MOUNT M-1 Structural Sealant for bonding ChemCurb scarf joints. (Not shown for clarity) Solar Panel Mount shall be mechanically secured to the decking in a manner at eliminates movement. Roof Membrane 5" Diameter ChemCurb Sections Prime penetrations with M-1, extending up 3" from base of penetration. DO NOT USE ROOF CEMENT! Fill ChemCurbs with only 1-Part Pourable Sealer when installing on granulated membranes. On all other membranes, PRO PACK Pourable Sealer can be used. External bead of M-1 required. OPTION: An additional bead of 1-Part Pourable Sealer can be applied over top of the external bead of M-1 to lock in granules on granulated roof membranes. A minimum 1" space is required between all penetrations and the interior wall of all ChemCurbs. Sheet: 9 of 16

18 MACHINERY SCREEN Fill ChemCurbs with only 1-Part Pourable Sealer when installing on granulated membranes and around high movement details. Prime penetrations with M-1, extending up 3" from base of penetration. DO NOT USE ROOF CEMENT! Angle iron or support members shall be fabricated out of structural steel that is secured to the structural supports or decking in a manner that reduces structural movement as much as possible. M-1 Structural Sealant for bonding ChemCurb scarf joints. (Not shown for clarity) ChemCurb Sections Roof Membrane External bead of M-1 required. OPTION: An additional bead of 1-Part Pourable Sealer can be applied over top of the external bead of M-1 to lock in granules on granulated roof membranes. A minimum 1" space is required between all penetrations and the interior wall of all ChemCurbs. Sheet: 10 of 16

(Not shown for clarity) External bead of DuraLink required.

19 VERTICAL WALL PENETRATIONS Trowel application of DuraLink flush with the top of the ChemCurb. DuraLink Structural Sealant for bonding ChemCurb scarf joints. (Not shown for clarity) External bead of DuraLink required. Prime penetrations with DuraLink, extending out 3" from base of penetration. DO NOT USE ROOF CEMENT! ChemCurb Sections A minimum 1" space is required between all penetrations and the interior wall of all ChemCurbs. Sheet: 11 of 16

ANGLE IRON PENETRATION Fill ChemCurbs with only 1-Part Pourable Sealer when installing on granulated membranes and around high movement details.

20 ANGLE IRON PENETRATION Fill ChemCurbs with only 1-Part Pourable Sealer when installing on granulated membranes and around high movement details. Angle iron or support members shall be fabricated out of structural steel that is secured to the structural supports or decking in a manner that reduces structural movement as much as possible. M-1 Structural Sealant for bonding ChemCurb scarf joints. (Not shown for clarity) Prime penetrations with M-1, extending out 3" from base of penetration. DO NOT USE ROOF CEMENT! ChemCurb Sections Roof Membrane External bead of M-1 required. OPTION: An additional bead of 1-Part Pourable Sealer can be applied over top of the external bead of M-1 to lock in granules on granulated roof membranes. A minimum 1" space is required between all penetrations and the interior wall of all ChemCurbs. Sheet: 12 of 16

SLOPED ROOF PENETRATION Roof Membrane Fill ChemCurbs on sloped roofs with DuraLink low modulus sealant. Prime penetrations with DuraLink, extending up 3" from base of penetration.

21 SLOPED ROOF PENETRATION Roof Membrane Fill ChemCurbs on sloped roofs with DuraLink low modulus sealant. Prime penetrations with DuraLink, extending up 3" from base of penetration. DO NOT USE ROOF CEMENT! ChemCurb Sections DuraLink Structural Sealant for bonding ChemCurb scarf joints. (Not shown for clarity) External bead of DuraLink required. A minimum 1" space is required between all penetrations and the interior wall of all ChemCurbs. Sheet: 13 of 16

PENETRATION NEAR WALL FLASHING Mitre cut inside corners as necessary. ALWAYS WEAR SAFETY GLASSES WHEN CUTTING SECTIONS. Prime roof cant with M-1 Structural Sealant before filling.

22 PENETRATION NEAR WALL FLASHING Mitre cut inside corners as necessary. ALWAYS WEAR SAFETY GLASSES WHEN CUTTING SECTIONS. Prime roof cant with M-1 Structural Sealant before filling. Fill ChemCurbs with only 1-Part Pourable Sealer when installing on granulated membranes and around high movement details. On all other membranes, PRO PACK Pourable Sealer can be used. M-1 Structural Sealant for bonding ChemCurb scarf joints. (Not shown for clarity) Prime penetrations with M-1, extending out 3" from base of penetration. DO NOT USE ROOF CEMENT! ChemCurb Sections Roof Membrane External bead of M-1 required. OPTION: An additional bead of 1-Part Pourable Sealer can be applied over top of the external bead of M-1 to lock in granules on granulated roof membranes. A minimum 1" space is required between all penetrations and the interior wall of all ChemCurbs. Sheet: 14 of 16

23 HOT STACK PENETRATION (200 F to 400 F) Fill ChemCurbs with DuraSil SL silicone for low slope applications or DuraSil Non Sag silicone for sloped roof applications. DuraSil Silicone for bonding ChemCurb scarf joints. (Not shown for clarity) Prime penetrations with DuraSil silicone, extending up 3" from base of penetration. DO NOT USE ROOF CEMENT! Roof Membrane ChemCurb Sections External bead of DuraSil silicone required. A minimum 1" space is required between all penetrations and the interior wall of all ChemCurbs. Sheet: 15 of 16

Apply ChemLink TPO Primer with a brush to the surface of the TPO membrane. Primer shall extend from the base of the pentration(s) to 1" beyond the outside perimeter of the ChemCurb.

24 Apply ChemLink TPO Primer with a brush to the surface of the TPO membrane. Primer shall extend from the base of the pentration(s) to 1" beyond the outside perimeter of the ChemCurb. TPO MEMBRANE Allow TPO primer to dry before installing the ChemCurb. TPO Roof Membrane ChemCurb Sections Prime penetrations with M-1, extending up 3" from base of penetration. DO NOT USE ROOF CEMENT! M-1 Structural Sealant for bonding ChemCurb scarf joints. (Not shown for clarity) Fill ChemCurbs with only 1-Part Pourable Sealer or PRO PACK Pourable Sealer. External bead of M-1 required. A minimum 1" space is required between all penetrations and the interior wall of all ChemCurbs. Sheet: 16 of 16

ChemCurb System. The ChemCurb penetration pieces consist of the following sizes:

ChemCurb System. The ChemCurb penetration pieces consist of the following sizes: ChemCurb System The ChemCurb penetration pieces consist of the following sizes: ChemCurb Straights 6" & 12" straight sections used to lengthen the ChemCurb. Fit both curb sizes. F1304P (6" - Gray) -Contains