Flex TPO Self Adhered Reinforced Membrane - Manual (Page 2)

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CAUTIONS AND WARNINGS:
· A static electric charge may develop when removing the poly release liner from the
elastomeric pressure sensitive adhesive on the back of the membrane sheet. To avoid the
possibility of ignition, lids must be closed on any flammable solvent-based adhesives and a
fire extinguisher should be readily available.
· Sunglasses which filter out ultraviolet light are strongly recommended since tan and white
surfaces are highly reflective to sunlight. Roofing technicians should dress appropriately and
wear sunscreen to protect skin from the sun.
· Surfaces may promote slippery conditions due to frost and ice build-up. Exercise caution during
cold conditions to prevent falls.
· Care must be exercised when working close to a roof edge when surrounding area is snow
covered as the roof edge may not be clearly visible.
· Use proper stacking procedures to ensure sufficient stability of the rolls.
· Exercise caution when walking on wet membrane. Membranes may be slippery when wet.
· Store Flex (SAM) in the original undisturbed plastic wrap in a cool, shaded area and cover with
light colored, breathable, waterproof tarpaulins. Flex (SAM) that has been exposed to the
weather for approximately 7 days or longer must be prepared with Weathered Membrane
Cleaner prior to hot air welding.
INSTALLATION REQUIREMENTS:
Flex Roofing Systems are fast to install since minimal labor and few components are required. The
systems may be installed utilizing labor-saving devices that make sheet welding fast, clean, consistent,
and easy to learn, while reducing strain on the roofing technician.
The Flex Pressure Sensitive Fully-Adhered Roofing System application begins with the insulation /
underlayment being attached per the required attachment specification.
1. The Flex Roofing Systems (SAM) TPO Membrane may only be installed when the
outdoor temperature is 50° F or rising.
2. The surface to which the membrane is to be applied must be very clean. Prior to
membrane placement, the surface of the insulation or underlayment board must
be cleaned of dust and other foreign matter using a fine push broom or a blower.
INSTALLATION PROCEDURES:
Note: Priming of the insulation surface is not required; however, walls and vertical surfaces must be
primed with HP-250 Primer prior to installing the (SAM) TPO membrane.
1. Remove the release liner on one-half of the sheet starting from the split in the liner at the middle
of the sheet. The liner should be removed at an angle to reduce splitting or tearing of the liner.
Caution: A static electrical charge may develop when removing the release liner from the adhesive
on the back of the membrane sheet. To avoid the possibility of ignition, lids must be closed on any
solvent-based adhesives and a fire extinguisher should be readily available.
2. Roll the membrane onto the substrate while avoiding wrinkles. To achieve the best adhesion, the
membrane should be rolled onto the substrate at an angle. When applying the Flex (SAM) TPO
Membrane, it is recommended to maintain a large curve (radius) on the leading edge of the