pressure treated plywood for roof under deck

Exterior plywood for deck surface - HomeOwners' Hub

I want to replace my 10' X 10' deck boards with exterior treated plywood to make the area under the deck water tight . Kind of looks like metal roofing like mobile home patio covers. .. We had the standard pressure treated 2x8 for the decking.

materials - What is better for a roof, plywood or OSB? - Home .

Oct 4, 2011 . When I had my own roof replaced, I specified ply, not OSB. . They're required by 2012 IRC to use a fire retardant treated plywood on the roof within 4' of . of a roof (near the eves) because this is where there is higher wind pressure pulling the nails out. . I replaced the particle board decking with plywood.

Special Report: Use of treated wood in roof assemblies, February .

Treated wood commonly is used in the U.S. construction industry as a . under various conditions of the current, new generation of treated wood products still is . fasteners, metal flashings and other metal accessories, or metal roof decks.

Wood for Patio Roofs & Gazebos - HomeTips

Apr 1, 2016 . American Wood Preserver's Bureau stamp on pressure-treated lumber. . them a favorite for outdoor projects such as patio roofing and decking. . batten is sometimes called lattice, it is not sold under this name in all localities.

Plywood Decking: A Good Alternative? |

This is not to say that plywood decking does not make a good alternative to . a deck can come in a variety of materials, from pressure-treated lumber and cedar.

FAQs - Under Deck Ceiling | Underdeck Roofing | Undercover .

Can your under the deck roof system be installed on existing decks? . material that catches water and debris to wood, even if the wood is pressure treated, will.

Should I Use Pressure-Treated Lumber for a Roof Deck .

Pressure-treated lumber is one of the best options that you can use for a roof deck because of its extreme durability. If you are constructing a roof deck, you will.

Pressure Treated Plywood for the Back Deck at Creekside - YouTube

Jun 13, 2013 . We're using MCA-treated plywood to support the stamped concrete surface on the back deck at the Creekside Home . Pressure Treated Plywood for the Back Deck at Creekside . How to Waterproof a Plywood Roof Deck.

treated wood and galvanized roof | Installation | Metal Roofing .

I've just put a plain, galvanized (shiny, no paint or color) metal roof on my . and water Shield over that plywood or felt screwing the middle deck.

Under-Deck Roof - The Family Handyman

Attach 2×4 pressure-treated purlins to spacer blocks sized to create a slope from front to back. . Figure A shows the construction details for the under-deck roof.

Firestone Building Products EPDM Single-Ply Design Guide .

Sep 26, 2014 . Table 1.06-7. Single-Ply Adhesion / Attachment To Wood Roof Decks ... evaporating under solar heat with the resulting vapor pressure causing blisters and ... must be pressure treated for rot resistance, #2 or better lumber.

Mold and mildew usually not a threat to lumber -- unless you cover it .

Aug 17, 2012 . DEAR TIM: I'm having a new room addition built. While inspecting the framing lumber, I noticed black mildew and mold on different pieces of.

Wood shed pressure treated or not | Forums Home

CEdar post, with larch wall and poplar plank under the metal roof . Wood touching the ground should be pressure treated . . . it may be OK if touching . What I did on the wood area is put down veranda deck boards spaced 1".

Pressure Treated Wood - What It Is, Benefits & Where to Use

Pressure-treated wood is wood that has been infused with chemical preservatives to protect the wood from rot and insects.

Preventing Corrosion: Metal roof and wall panel components in .

Mar 1, 2009 . Copper-containing preservative-treated lumber is corrosive toward certain .. (Steel Deck Products in Contact with Pressure Treated Lumber,.

Magnolia Outdoor Living Underdeck Questions and Answers

All of the components of the Magnolia under deck ceiling system are . I have heard about corrosion resulting from aluminum contacting pressure treated wood.

Q&A: Pressure-Treated Lumber and Steel Roofing | JLC Online .

A.Paul Fisette responds: I would not recommend using pressure-treated purlins under steel roofing without taking special precautions. A metal can corrode when.

Decking Over A Roof - Chief Architect

Decking. Over a. Roof. EPDM membrane. Tapered sleeper. 1⁄2-in. fiber roof underlayment. 3⁄4-in. plywood . nails can back out of plywood or osb over time. a layer of fiberboard prevents them .. Cutting pressure-treated lum- ber exposes the.

Built-Up Roofing, Modified Bitumen: Decking Recommendations

General specification and application guidelines for various commercial roofing decks using built-up roofing, modified bitumen roofing.

Decks and Porches |

Pressure-treated softwood; Cedar; Redwood; Ipé; Wood-plastic composite; Plastic . A porch presents structural challenges because its roof must resist snow and .. Under Chapter 6, "Resource Efficiency": up to 5 points for covered entryways.