1. GENERAL INFORMATION
Chloraloy 240 is flexible Chlorinated Polyethylene (CPE) membrane used under full mortar bed installations for concealed waterproofing.
NOTES:
a) Chloraloy is designed for full mortar bed installations.
b) Chloraloy is plumbing code listed, IAPMO File #3577.
c) Do not use Chloraloy in a thin-bed method. Noble Company recommends using NobleSeal
d) Tile cannot be directly bonded to Chloraloy. A mortar bed is generally laid over Chloraloy. Tile can then be thin-set to the mortar bed. See TCNA
guidelines.
e) Install in strict compliance with these instructions and comply with all applicable ANSI standards, TCNA recommendations, and building and plumbing
codes.
f) For applications not detailed herein, contact Noble Company.
2. MATERIALS
2.1 PRODUCT: Chloraloy is a thin .040" (1.0 mm) CPE membrane for full mortar bed installations or over PRO-SLOPE™.
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2.2 WATERPROOF SEALANT: Use NobleSealant 150 or NobleWeld 100 to seam sheets, seal penetrations (i.e., pipes, wire), drains, and terminal
edges. Seal preformed corners to sheet.
2.2.a NobleWeld 100: May be used instead of NobleSealant 150 to seam sheets of Chloraloy.
2.3 CPE PREFORMED OUTSIDE/DAM CORNERS: Use to flash curb/dam.
2.4 TOOLS: Normal tile setting tools plus scissors or utility knife, rubber hand roller, and linoleum roller. Application of NobleSealant 150 requires a
commercial grade caulk gun.
3. PLANNING & LAYOUT
3.1 MEMBRANE: Quantity of Chloraloy sheet required should include waste, upturns, and seams. Use preformed corners as necessary.
3.2 CPE PREFORMED OUTSIDE/DAM CORNERS: Recommended even when not required.
3.3 NOBLESEALANT 150: A 10.3 oz. tube of NobleSealant 150 seams approximately 40 linear feet.
3.4 NobleWeld 100: One pint seams approximately 50 linear feet.
4. PREPARATION & PROCEDURES
>>>>>RECOMMENDED: Test materials and method under job-site conditions to confirm suitability.
4.1 INSPECTION: The structural floor or substrate must be clean, smooth, and free of holes, cracks, and sharp projections. Nail heads should be
driven flush or recessed.
4.2 BLOCKING: Blocking between studs is recommended to support upturned membrane.
HINT: Notching the studs at each corner approximately 1/8" will provide space for folded Chloraloy corners and prevent backer board from
bowing. If metal studs are used, the backer board can be "shimmed" slightly to provide space for the folded corners.
4.3 SUBSTRATES: Substrate should be sloped per code requirements with no depressions where ponding could occur.
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NOTE: Where drains are incorporated into the installation (e.g., showers, commercial kitchens, decks, etc.), the substrate must be sloped
towards the drain.
4.4 DRAINS: Drains must be equipped with proper clamping devices and weep holes. Inspect for warpage of clamping ring or drain body. Replace
drains warped over .040". When reusing existing drain, clean rust, caulk, mortar, etc., from face of clamping ring and matching surface on drain.
Use a bead of NobleSealant 150 to form a watertight seal between Chloraloy and the drain body.
4.5 INSTALLER: Must be familiar with Noble Company's current written instructions, TCNA Handbook recommendations, and ANSI A108 and A118
standards. Contractor must be experienced with installation procedures for Noble Company products or be instructed by a Noble Company
representative prior to commencing work.
5. INSTALLATION PROCEDURES
5.1 PAN: Line the area with Chloraloy. Allow for upturn when cutting sheet.
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NOTE: Rolls of Chloraloy are marked with blue lines at approximately 6" intervals. These marks are intended to be used as guidelines, not
accurate measurements.
5.2 UPTURNS: The upturn should be 3" above the finished dam or floodplane as specified or required by code. Membrane should be flashed behind
the backer board.
5.3 FOLDED CORNERS: Turn the sheet up on all sides using folded corners (see Figure 2), or use preformed inside corners as needed.
5.4 FASTEN: Secure the liner to the backing or studs with nails or staples in top 1" of flashed membrane. Install upturn at dam over the top and
fasten on outside face. Where metal studs are used and no backup material is provided, use sheet metal screws and washers. Fold the material
over 1" at the top to give extra strength and fasten it to the studs. Where walls are concrete or block, use masonry nails, screws with washers, or
NobleSealant 150. Follow directions on label.
5.5 CPE PREFORMED OUTSIDE/DAM CORNERS: Protects against water leakage at the junction of the shower opening and the dam.
Recommended even when not required. To install corners, use NobleSealant 150 or NobleWeld 100 and follow seaming and joining procedures for
NobleSealant 150.
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Chloraloy
240 (CPE)
®
Installation Instructions
www.noblecompany.com
TS or ValueSeal
for thin-bed applications.
®
®
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