As far as I know, OSB is not approved by any manufacturer as a suitable substrate for deck waterproofing systems. To meet Class A and one-hour fire-resistant-construction requirements, APA-rated plywood must be used.
However, after selecting one of these two for the roof system substrate, the more challenging choice will be what should cover it. Atlas Roofing makes a nailable OSB board that is bonded to insulation with an aluminum foil radiant barrier on the underside of the OSB surface.
Substrate boards come in varying thicknesses, as well: 1/4 inch, 1/2 inch, 5/8 inch and 1 inch. The thickness is often chosen based on the need for the board to provide integrity over the roof deck, such as at flute spans on steel roof decks.
Re: Stone/Paver Deck: Substrate Options? Unless there is a strong reason that the deck can't be built the way Griz described, it has got to be the easiest, safest and cheapest way to accomplish a patio at that height.
Choosing the proper substrate underneath a metal roof is a frequently asked question. What is The deck must be sound!
Deck Coatings and Their Care By Bill Leys substrate deck. * Some manufacturers will not warranty their product over OSB, which is not recognized as suitable
Firestone Building Products EPDM Single-Ply Design Guide Approved Immediate Deck Substrates for Single-Ply Membranes Up to and Including 20-Year Warranties 45
Decks are either non-combustible (e.g., corrugated metal, concrete, or gypsum) or combustible (e.g., wood plank or plywood), and provide the substrate to which the roofing or waterproofing system is applied. Deflection (Bowing, Sagging): the downward displacement of a structural member or system under load.
Proper roof slope and drainage are important to prevent excessive water accumulation and the roof deck substrates and may include routine measurements where
Substrate: the surface upon which the roofing or waterproofing membrane is applied (e.g., in roofing, the structural deck or insulation). Sump: an intentional depression around a roof drain or scupper that serves to promote drainage. T. Tab: the exposed portion of strip shingles defined by cutouts.
Composite Patio Deck Substrate. Purchase Wood Plastic Substrate Ireland . Products Case. Wood Digital Printer | Wood Printing - Direct to Substrate
Hello: For a low, wood-framed deck around an above ground pool that was to be topped with pavers rather than wood, what would be good substrate options? (example: i.ytimg/vi/7mBrZwsGD6M/hqde
DensDeck Roof Board's exceptional moisture resistance and low R-value make it the preferred substrate for vapor retarders. An excellent fire barrier, DensDeck Roof Boards feature a noncombustible core and inorganic surface that offer greater fire protection than other conventional commercial roofing products when applied over combustible roof decks and steel decks.
Substrate Requirements The first step towards a completely waterproofed vinyl deck is a properly prepared substrate. Duradek must be installed on a flat, smooth surface; including untreated plywood, concrete, and sealed or coated surfaces.
What to do with unsightly old pressure treated decks that are not rotten but look awful. Case study of Sherwin Williams Duck Back Super Deck Elastomeric.
Substrates are commonly made out of steel beams and columns but can be created out of other materials such as wood and concrete. Why Substrates Matter: The surrounding frame or support structure gives the metal deck a platform to sit on.
How to Install an Alternative to a Wood Deck | Home Guides | SF Gate Decks and porches are a common outdoor addition to homes around the such as composite materials, take the place of wood, which will eventually rot over time.
What is a cleavage membrane or slip sheet? How do I tile over an exterior deck or balcony? What is a cleavage membrane or slip sheet? These terms are synonymous and refer to the sheet used between the mortar bed and the substrate.
Sweep the deck to remove any dirt or debris. If you intend to install a compatible rigid insulation in your roof assembly, install a wood nailer at the edge of the roof deck equal in thickness to the rigid insulation. The width of the wood nailer should be ?” wider than the flange of the metalwork you intend to install along the roof edge.
OSB substrate for waterproofing systems is a perfectly viable construction method. OSB is a versatile and extremely strong construction material. OSB and plywood are products used in multiple facets of construction. Both are considered sheeting material; used in floor, ceiling, roof and wall substrates.
The PLI-DEK? waterproof deck system for plywood substrates has been ICC-ES evaluated since 1980. The system utilizes a 2.5 galvanized metal lath and a polyacrylic emulsion base coat, with a wide variety of finish options. All of the systems carry a One-Hour and Class A Fire Rating.