Flex TPO PLUS ROOF Для дома Adhered Systems - Manual

8/2012 1
Flex Membrane International Corp. 2670 Leiscz’s Bridge Road, Suite 400, Leesport, PA 19533 Tel: 610-916-9500 Fax: 610-916-9501
FLEX TPO PLUS
ROOF MEMBRANES ADHERED SYSTEMS
Approved Substrates and Deck Requirements
The following roof decks/substrates are approved for the installation of Flex TPO Plus adhered roof
systems in areas where the average wind speeds are equal to or less than 55 mph and the height of the
building does not exceed 250’.
1. Steel Decks 22 gauge or heavier with a minimum pullout resistance of 360 pounds per
fastener.
2. Steel Decks lighter than 22 gauge with a minimum pullout resistance of 300 pounds per fastener.
3. Structural Concrete minimum compressive strength 3000 psi., with a minimum pullout resistance
of 800 pounds per fastener.
4. Wood Plank (3/4” min.), CDX Plywood (15/32” min.) with a minimum pullout resistance of 360
pounds per fastener.
5. OSB (oriented strand board) min. 7/16” thick with a minimum pullout resistance of 250 pounds
per fastener.
6. Gypsum Deck with a minimum pullout resistance of 300 pounds per fastener.
7. Cementitious Wood Fiber Deck with a minimum pullout resistance of 225 pounds per fastener.
8. Lightweight Insulating Concrete with a minimum compressive strength of 225 psi.
The following roof decks/substrates are approved for direct application of the Flex TPO Plus adhered roof
systems.
NEW CONSTRUCTION:
1. Structural Concrete with a minimum compressive strength 3000 psi.
2. Lightweight Insulating Concrete with a minimum compressive strength of 225 psi. Flex Insulvents
are required to be installed at a minimum of 1 vent per 2000 square feet of roof area except on
installation where the lightweight insulating concrete was poured over a slotted steel deck.
3. Plywood (min. 15/32”) or OSB (min. 7/16”)
4. Gypsum
RE-ROOF/RECOVER:
1. Existing Smooth Surface Built Up Roof
2. Existing Built Up Roof with a Mineral Surface Cap Sheet
3. Existing Modified Bitumen Roof
Note: Direct application of the Flex TPO Plus Adhered Membrane over existing BUR or Modified
Roofing may result in discoloration of the membrane. Installations that are aesthetically critical should be
installed over an approved cover board.