Water Tight Technologies

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    Roof Surface Preparation
    Laying Out RUBBERALL® EPDM Membrane
    Pipe Penetrations
    Protrusion In The Roof
    Adhering Membrane With Solvent Based Bonding Adhesive
    Adhering Membrane With Water Based Bonding Adhesive
    Seaming Membrane Panels With Seam Tape
    Splicing And Seaming With Rubber To Rubber Adhesive
    Alternative Panel Layout And Seaming
    Perimeter Walls & Inside Corners
    Outside Corner Finish Detail
    Cover Strip
    Peel And Stick Pipe Boot
    Pipe Or Conduit Flashings Using Uncured Flashing With Tape
    Wall Termination
    T-Joints
    Field Seam Radical Bend
    Roof Edge Termination With Metal Drip Edge
    Terminating RUBBERALL® On Fascia
    RUBBERALL® Membrane To Shingle Transition
    One Piece Drain Sleeve
    Drains With Clamping Rings
    Pitch Pockets
    Protecting RUBBERALL® Membrane In High Foot Traffic Areas (Decks)
    Repair Of RUBBERALL® Membrane
    Application Review
    Frequently Asked Questions
    Glossary
    RUBBERALL® Roofing Membrane Material And Labor Limited Warranty
    Warranty Registration
  Installation Video Guide
 
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Adhering Membrane With Solvent Based Bonding Adhesive

Fold the sheet onto itself so that one-half (1/2) of the sheet is exposed. Take care to avoid wrinkles.

Figure 6

Open and thoroughly stir the Solvent Based Bonding Adhesive (available in either 1 or 5 gallon containers). Using a solvent accepting paint roller, apply the Solvent Based Bonding Adhesive to the substrate and the EPDM sheet at a rate of sixty (60) square feet per gallon. The adhesive must be applied to 100% of both surfaces in an even coat without glops or puddles. Allow the adhesive to dry to the finger touch of tacky but not stringy. If membrane is adhered to the substrate before the adhesive has dried, blisters will form under the membrane. If smaller blisters appear, they will normally disappear after a few days without causing the membrane to loosen from the substrate over time.

Fluff air under the top half of the sheet and roll the sheet onto the glued substrate. It is important to roll from the middle of the sheet first, followed by the ends (shown in Figure 3). DO NOT let the ends of the sheet roll ahead of the middle. This will cause wrinkles. With a stiff broom, broom the fully adhered portion of the sheet to the substrate to insure 100% adhesion. DO NOT apply enough pressure to cause the RUBBERALL® EPDM to wrinkle.

Remove the duct tape from the upper half of the membrane panel. Fold back the remaining unglued portion of the sheet and repeat the process.

Figure 7

If installing more than one sheet, always work up the roof so that water flows over and not against the lapping edges. Allow the next sheet to over lap the one already installed by three inches (3"). Use duct tape to hold this sheet in place. Again lay the sheet back halfway and apply Bonding Adhesive to both surfaces and proceed as you did with the first sheet.

NOTE: DO NOT APPLY BONDING ADHESIVE TO SEAM AREAS (see Figure 8). THUS NO BONDING ADHESIVE SHOULD BE APPLIED TO THE RUBBER ALREADY INSTALLED AS WELL AS NO BONDING ADHESIVE SHOULD BE APPLIED TO THE THREE INCH (3") OR (6") OVER LAP ON THE SUBSEQUENT SHEET. SEAM TAPE PRIMER PLUS WITH SEAM TAPE IS RECOMMENDED WHEN SEAMING MEMBRANE TO MEMBRANE.

Hint: if bonding adhesive is in area to be seamed apply duct tape to adhesive. Roll with hand roller. Peel off duck tape. If any adhesive remains, repeat process.

Figure 8

 
 
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