1x6 roof decking properties

WCD 2 - Tongue and Groove Roof Decking - American Wood Council(12 pages, 2.3 MB PDF) February 2004. Timber tongue and groove decking is a specialty lumber product, constituting an important part of modern timber construction, that can be used for many applications to provide an all-wood appearance. Nominal three and four inch decking is especially well adapted for use with glued laminated arches and girders and is easily and quickly erected. This document contains all that's needed to design and construct tongue and groove wood roof ...

Roofs on Historical Homes - Schwartz Residential RoofingMost old homes have 1x8 or 1x6 roof decking. Wood shingles were a common affordable roofing material 100 years ago. Over time with asphalt shingles becoming more common and popular, roofers would shingle over the wood shingles. After this happens again and again you end up with 3 or 4 roofs on the house. Now, when the roof needs to be replace, all the old layers of roofing materials need to be stripped to the original wood decking. If the original wood decking has gaps ...

Roof deck materials to ensure a stable roof surface | IKO4 Oct 2016 ... Best options for a stable roof deck and smooth shingle surface are plywood, OSB and wood boards.

Tougue and Groove Roof Decking - American Wood CouncilThe lumber used in heavy timber framing members and roof decking shall be graded in accordance with the grading rules under which the species is customarily graded. Specific grading rules may be obtained from the respective rules writing agencies: 1. Standard Grading Rules for Northeastern Lumber,. Northeastern Lumber Manufacturers Association,. 272 Tuttle Rd., PO Box 87A, Cumberland Center,. ME 04021 (NELMA). 2. Standard Specifications for Grades of California.

Roofing: Why do we need plywood over our old solid sheathing ...It used to be standard to use shiplap, 1 boards, tongue & groove, or other boards for the roof deck. These 8 to 12-inch wide boards were nailed together tight. plywood_1 When the roof was first nailed on, of course all the nails were in solid wood. But the lumber was not usually kiln dried; as wood dries it shrinks. As shrinkage is from 5 to 10 percent, gaps of ½-inch or more are common. Which homes have board sheathing? Exterior grade plywood was not available until the 1940's.

Structural roof deck - Tata Steel ConstructionWe offer a comprehensive range of structural roof decking products, manufactured in the UK, ranging from 32mm to 210mm deep and a range of structural liner trays. Our range of roofDek products is the only UK manufactured steel roof decking profiles with FM Approvals testing and certification. The range is fully supported by our roofDek Analysis software enabling structural engineers and specifiers to conduct full deck analysis to Eurocode 3 and 9. Structural steel roof decking.

vertical ventilation - Truck AcademyAn important part of any ventilation operation is determining the objectives of the operation. Ventilation objectives can generally be prioritized as : 1. LIFE SAFETY (OCCUPANTS). 2. PROPERTY CONSERVATION. (STRUCTURE) ..... Rafters are 90 degrees to the grain

Deck Requirements for Existing Deck Boards - GAF Roofing27 May 2011 ... A shingle roof substrate is like the foundation for your roofing system. The substrate provides ... Standard Deck For. Shingles? Standard decks include: Plywood or OSB 3/8 (9 mm) minimum thickness, C-D Exposure 1 APA Rated, as recommended by the APA The Engineered Wood Association. Wood planking Nominal 1 (25 mm) thick (min.) ... The substrate must be installed in accordance with the deck manufacturer's specifications. roof deck installation ...

RoofDek - Tata Steel ConstructionWe offer a comprehensive range of structural roof decking products, manufactured in the UK, ranging from 32mm to 210mm deep and a range of structural liner trays. Our range of roofDek products is the only UK manufactured steel roof decking profiles with FM Approvals testing and certification. The range is fully supported by our roofDek Analysis software enabling structural engineers and specifiers to conduct full deck analysis to Eurocode 3 and 9. Structural steel roof decking.

Standard for Tongue-and-Groove Roof Decking - American Institute ...Standard for Tongue-and-Groove roof decking, AITC 112-93 7. 2 ft minimum end joint spacing. Figure 7. Controlled Random Layup. (Two inch decking). Three and Four Inch decking. There shall be a minimum distance of 4 ft between end joints ... SPECIFICATIONS. 7.1 The specifications for tongue-and-groove decking for the various species as well as inspection and shipping provisions shall be as specified in the standard grading rules under which the species is graded and shall.

Tongue & Groove Decking - SI Storey Lumber Companypreservative to provide longer life when exposed to conditions which can accelerate decay and permit insect attack. Specifications. roof decking is southern pine as manufactured by S.I. Storey Lumber Co.,. Inc. It is nominal 2 x 6, 3 x 6, or 4 x 6 in #1 or #2 grade and kiln dried. Maximum moisture content is 19% for 2 x 6, 3 x 6 and. 4 x 6. decking is machined to a single or double tongue and groove EVIS pattern. (See figures 1 and 2). Lengths. decking pieces may be of specified length.

Wood Roof Sheathing & Underlayment RequirementsThis article discusses the requirements - specifications for roof sheathing (nailers or plywood or osb) and underlayment (roofing felt) for wood shingle - wood shake roofs, including roof decking needed under wood shingles/shakes: roof sheathing requirements, Underlayment (roofing felt) requirements under wood shingles - shakes, Using a shingle ... Next, place horizontal 1x4 or 1x6 battens (see Spaced Sheathing, above) and nail into the vertical battens (Figure 2-48 below).

Roof Repairs 2 Basic Materials - The Disaster Handbook1 Particle boardType 2-M-F or 1-M-W identified by grade mark or inspection certificate. 1 T&G 1x6 boardsConstruction grade lumber #2 or #3 minimum. 1 Sheathing should be the same material as the rest of the roof. 1 In all cases, use the same thickness of material when repairing only one area of roof. 1 Fastenersfrom CABO One- and Two-Family Dwelling Code. See Table 1, Fastener specifications for various roofing materials. Licensed builders are preferred for roof repairs.

Mastering Roof Inspections: Asphalt Composition Shingles, Part 38 ...When discussing roofs, the substrate can be the wood roof sheathing or, if new shingles are being applied over old, the old shingles could be considered part of the substrate. Sheathing is a more specific term used to describe boards or panels that form the roof deck. Since sheathing also describes rough wall and floor coverings, we'll use the full terms roof sheathing and roof deck. In older homes, the roof sheathing is usually wood boards. Over the years, plywood replaced ...

roof construction and trim carpentry - Construction Knowledge.netLumber Sheathing Specifications and Estimating Factor. Plywood extension beyond the end wall is usually governed by the rafter spacing to minimize waste. Thus, a 16-inch rake (gable) projection is commonly used when rafters are spaced 16 inches OC. Butt joints of the plywood sheets should be alternated so they do not occur on the same rafter. DETAILS AT CHIMNEY AND. VALLEY OPENINGS. Where chimney openings occur in the roof structure, the roof sheathing should have ...

Deck Preparation | Dayus RoofingThe roof deck is the roofing material layer found in between the primary structural components and the insulated layers in a roofing system. roof decking is applied over ... Most homes build prior to the 1990's were built with 1 X roof decks, with 1x6 and 1X8 being the most common. These boards are fastened horizontally to the trusses with slight gaps between each board. Older residential roofs often feature the 1x6 boards, which meet in tongue-in-groove joints. Tongue-in-groove ...

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