is spib no 2 prime pressure treated

All rights reserved. The cores are removed by a specialized boring bit on the edge of the lumber, near the mid-length of the piece. Generally, the charge is accepted if at least 80% of the cores (16 of 20) meet the minimum depth of penetration. It is used to build exterior stairs, for posts, sheathing, siding, porches, decking, and railings too. Spi-1 and Spi-B control the expression of the Grap2 gene in B cells The wood is commonly used for light construction or framing where it isnt visible, or for bracing, packaging, and shipping purposes. Review this helpful illustration showing the proper application of pressure-treated Southern Pine materials for a variety of projects around the home. 2 lumber, which provides good strength at a reasonable price. The preservatives dont affect the load-bearing abilities, just provide protection against insect, mold, mildew, and rot damage. 2023 Southern Pine Inspection Bureau | All Rights Reserved | SitemapP.O. UC3B or UC4A are best for ground contact use. Overall plant evaluation is done by means of separating and inspecting all of the different Production Categories to help identify very specific areas of concern, if any exist. The dry wood is loaded into a treatment cylinder which is then sealed and depressurized to vacuum as much air as possible from the wood cells. Description & Documents #2 prime southern yellow pine with virtually no wane CA-C Above Ground pressure treated exterior wood protected by Ecolife (EL2); a stabilizing formula that repels water keeps boards straighter and looking better longer Ecolife (EL2) provides built-in water repellency that lasts for up to 3 Quality control for treating should be done by an approved inspection agency. While all species are graded at the same four levels of strength and appearance, they are not equally strong. The wood grain has a 1 in 8 slope, and there may be bark edge or wane visible. The process is similar for treating milled lumber, plywood, posts, or utility poles against rot and insects. This information will then be combined with previous plant data to determine the plant performance status, as mentioned above. I grabbed an exerpt here and there and put it all together, for I was on a lot of different sites and suppliers. Treatment with preservatives protects wood that is exposed to the elements, in contact with the ground or subjected to high humidity. The SPIB Treated Wood Quality Audit Program provides a customized third-party quality control program to help Treated Wood producers meet industry-approved standards. Recommended where high strength, stiffness and good appearance are desired. Pressure-treated wood can dry in about 1 month, whereas fresh wood provides an environment where fungi and bacteria produce rot and insects infest. As the numbers go up, quality and price go down. As I understand it, the grade refers to the number of knots in a given length. Records, trained personnel and an approved, properly equipped laboratory (either in-house or an approved external lab) are also required to complement the penetration and retention sampling requirements. Here are the grades and types of lumber most commonly available, plus the percentage of clear wood you could expect for the appearance market or grade: Lumber with few or no knots or blemishes may be called premium by some mills or retailers to capitalize on DIYers wish for better-looking lumber. It is most commonly used for sheathing and applications where a fine finish is not required. 139 0 obj <> endobj 153 0 obj <>/Filter/FlateDecode/ID[]/Index[139 24]/Info 138 0 R/Length 80/Prev 801267/Root 140 0 R/Size 163/Type/XRef/W[1 2 1]>>stream The sampling procedures are the same as required by IQC, but re-inspection of a given charge will likely involve only a portion of the total charge. HWW&)@@vaU\P}qtyneG@@x7]Ia8QNoW%T"HH zB-rJ(TG?e)-3"kzvdkMwTXcfb`UML||d]/t@Q1~Q#|30LQA RG vy_rfazhfx NL+XEB7Hb%Y5?_9_h4}EZ^R Z}'a1+&z&j+m}b? z[TWL*baKq @NO{CHpXa2 PkHX%W!AH0aP1 bB z%Oev+Yh!UL$(MJ \N There is a barcode with product information, registration logo or symbol noting the standards followed, and the use category (UC4A for Ground Contact). Similar to MCA, the treated wood shouldnt be used in contact with food or animal feed. A final vacuum removes the excess preservative from the woods surface before the charge is removed from the cylinder and placed on the drip pad. Both #2 grades have all the characteristics, including knot size, of regular #2 grades but are selected for 4 square edges (very light to no-wane or bark). Free of pitch pockets, pitch streaks and medium pitch on one wide face, but otherwise conforms to No.1 Dense or No.1 Dimension Lumber. How to Read the Stamp - This Old House The charge is considered conforming if each component meets the minimum required retention AND the total, combined minimum retention is met. |fqqq~^;mffvf-5wV)64O?q30baveaj^-l*)+1$D>Vnm:OP0C#ddu1;r:8wwQKww3)IKLQ. http://www.ecoprem.com/pdf/ecoprem_wood_technology_competitive_analysis.pdf. . WestWood Heat Treated Lumber Production Corporation vapor-stabilization technology is a patented wood heat treatment technology, utilizing a natural thermochemical reaction and steam at temperatures of 230-240 C (450 F) and exclusive of any chemical additives. Office: (850) 434-2611 | Toll Free: (800) 995-7742 However, the tight grain also makes it less receptive to pressure treatment. Raised floor homes look great and protect homeowners against risks from flooding and subsiding soils. CCA is still used for industrial purposes today. SPIB is able to assist manufacturers achieve and maintain the quality that their customers require by employing highly qualified instructors. At the end of the pressurized period, the solution is pumped out and stored for use on the next batch. MSR Scaffold Plank is available 2"-thick only. Treating plants that produce material under a given ESR are required to be monitored by third-party agencies approved by the International Accreditation Service (IAS). SPIB is able to assist manufacturers achieve and maintain the quality that their customers require by employing highly qualified instructors. Today, pressure treated lumber for residential use is commonly pine, spruce, or fir that has been immersed in a water-based chemical bath of preservatives. Email: cspsales@canfor.com. Selecting the correct type of treated wood for a project often depends on how and where it will be used. Application of the product requires pressure treatment by an approved treating process and preservative for marine usage. I noticed that a 2x8x16 is 5 bucks less a board at HD than the quote that a lumber yard gave, but everything the lumber yard quoted is ground contact. Longleaf, shortleaf, loblolly, and slash are some of the native southeastern pines that are classified as SYP. It is used for all areas of residential construction from load bearing to trim. The label will show w/CE which means with color enhancement. No.2 Non-Dense No. The molecular changes in wood composition have a result of dimensional stabilization, protection against rot and wither, and as a result, expanded use opportunities. S;t HmM~[3`~Dl1Cj^x{}g.-GWlEu Yl[k4!42#>#13"J! 1pJ`w&Im0m/=BA!^/[xN XX=xEzGjB Hi Raymond, it looks like this 2 in. Different chemical solutions are used to create treated lumber. An indicator is used to identify the untreatable, heartwood sections of the 20-core sample (Sapwood is the outer portion of the log; heartwood is the innermost portion of the log and is rarely capable of accepting preservative). Borates are sodium salts used in water-based pressure treatment solutions. Treated wood is made from strong evergreen species making it suitable for most building projects. Select Structural (SS) is the highest grade based on strength and durability. Each American Lumber Standard Committee (ALSC) certified agency has its own registered grade-mark. The molecular changes in wood composition result in unique features: Most is not. Admits pieces below a No.3 grade which can be used without waste, or which contain less than 25% waste by cutting. However, enough gets into the wood to provide a shell of protection that cant be matched with a brush. This approach is intended to consider the big picture trends as opposed to allowing otherwise isolated issues to severely affect plant performance status. All four longitudinal faces must be free of pith and/or heartwood. I didn't ask but I doubt the deck boards and 2x are ground contact which deals with the amount of preservatives used on the lumber. Suitable for stud uses including use in load-bearing walls. Both DIYers and building professionals will like these garden and outdoor living ideas and plans. I will try to post-some new treated lumber being sold in the wood depot I go to referd to as BLUE if I am not mistaken. Well-manufactured material evaluated by calibrated mechanical grading equipment which measures certain properties and sorts the lumber into various strength classifications. Ground contact level treatment (.15 pcf) has more than double the preservative of above ground level treated wood (.07 pcf) Lighter, more natural wood appearance for improved staining qualities. Those stacks also include some No. However, they make an ideal solution for use in arid or dry locations. Too much. There may be a secondary stamp that identifies the visual grade as Premium or Select A, B, C, or D. Pressure treated lumber also has an end-tag stuck or stapled to one end. Description & Documents #2 prime southern yellow pine with virtually no wane CA-C Above Ground pressure treated exterior wood protected by Ecolife (EL2); a stabilizing formula that repels water keeps boards straighter and looking better longer Ecolife (EL2) provides built-in water repellency that lasts for up to 3 For outdoor seating. What's this lumber stamp mean? - Fine Homebuilding It holds nails, screws, and other fasteners well, and is commonly used in residential, industrial, and commercial construction. In this article, well explain pressure treated (pt) lumber, the different types and uses, and how it is graded. endstream endobj 146 0 obj <>/Filter/FlateDecode/Height 49/Intent/RelativeColorimetric/Length 6519/Metadata 150 0 R/Name/X/Subtype/Image/Type/XObject/Width 174>>stream Grade based on No.2 Dimension Lumber except wane and other characteristics that affect appearance are limited. In ancient times the Greeks used olive oil, the Romans tar, and others used pitch or lye. Unseasoned or green lumber has a moisture content of 19% or greater and subject to shrinkage and warping as it dries. %PZqI]Hx(or3'Z1Ld8&.u$eIJ{\,a(1I4;^?dB;|+abd` wX{M\f/=#S8NS6~#|oNQ5 Lj|< W-&A^N'*6|t79Ir8:]3Y -Q/A9h.BBvX >A3s*E3_2pS\5a A joist made of Douglas fir, for instance, will cover a greater span than a hemlock joist of the same size and grade. Additionally, all cuts and drilled holes should be treated with preservatives to prevent damage to exposed untreated wood. This specific set of data for each charge is called a charge report. Dimensional wood from all grades is pressure treated for different uses. Establishes lumber quality based on a graders visual inspection. #1 grade can have more wane (or bark) Recommended for construction where high strength, stiffness and good appearance are desired. Grademarks | SPIB | Southern Pine Inspection Bureau The lumber is inspected for knots, splits, and other defects that can weaken the woods structural strength. Tel: 251-457-6872. Youll get less movement with kiln-dried (KD) or surface-dry (S-DRY) lumber, which has a moisture content between 16 and 19 percent. The appearance doesnt affect the structural grade, it just is superficially more appealing. The most noticeable difference may be the price and scarcity of #1 grade lumber. Pressure-Treated Lumber 15 Span Tables . There are six different types of pressure treatment ratings, with different categories in some of them. No.1 Prime No.2 Prime Size inches ( actu l) Spacing inches on center 12.0 16.0 24.0 12.0 16.0 24.0 12.0 24.0 16.0 24.0 TREATED FLOOR /D . Box 10915 Pensacola, Fl. 2023 Southern Pine Inspection Bureau | All Rights Reserved | SitemapP.O. End-glued, face-glued, and edge-glued Southern Pine in glued assemblies, including stress-rated grades of finger-jointed 2" Dimension Lumber. As a result, we have more grades available to our customers now than at any other time in the history of our company. Our Services | Lumber Services | Box 10915 Pensacola, Fl. #2: When appearance is of moderate concern, this grade will contain moderate size knots and can have a considerable amount of wane. Lumber structurally graded #1 or #1 & BTR (#1 and better) has a wood grain slope of 1 in 10. Treated wood products must meet very specific quality requirements to meet the building code. #1 will have less knots and is typically spec'd for joists and rafters. Preservative Treatment When pressure-treated lumber is required, it should be treated according to appropriate American Wood Protection Association (AWPA) Standards or through the product evaluation process of the International Code Council (ICC) Evaluation Service. Abbreviations for framing-grade softwoods, from strongest to weakest, Doug Fir, D Fir- L: Douglas fir (L=western larch). 2 x 6 x 16' Prime Pressure Treated #2 Lumber *BUY IN BULK* AND SAVE s Raised floor homes look great and protect homeowners against risks from flooding and subsiding soils. A specific indicator or a specific method is then used to reveal the depth and consistency of preservative penetration. Standard grade lumber has more defects and knots and is #2 structural grade wood. The ranking goes from Select Structural (highest strength, best appearance) to No. Pressure-Treated Southern Pine Plant inspections are required to be performed at least once per month, but may be increased due to production and/or performance. Dressed to standard dry size prior to machine stress rating, and visually graded to assure that characteristics affecting strength are no more serious than the limiting characteristics for each grade. Research shows that . Best appearance (compared to Standard) High-quality lumber Smaller and fewer knots Standard Grade: Use when a rustic appearance is desired. Ground contact means anything within 6-inches of the ground or in contact with the ground, foliage, grasses, or over water or wet areas. Many homes have fences, retaining walls, and garden boxes constructed of treated wood, and even the wooden utility poles supplying power and communications are pressure treated. The main tree species used in the manufacture of pressure treated lumber are softwoods that regionally predominate in the mill area. Lumber Grades - ProWood lumber Generally clear, although a. But not all defects are obvious. Stud is a fifth designation, meaning its good for a load-bearing wall. Check sources of supply for available grades and sizes. WestWood Heat Treated Lumber Production Corporation is unique technology that uses heat treatment instead of chemicals for timber processing to significantly improve various characteristics of wood. May 26, 2016. See SPIB Special Product Rules for design values, Appearance is same as B&B Finish for thicknesses of 4" and less. Larger sizes conform to Dense Structural 72 Structural Lumber except for dense grain requirement. Top-quality lumber 2x4 through 2x12 are either #2 Prime grade, #2 & Better/Appearance grade or #1 grade. My electrical answers are based on 2017 NEC, you may have local amendments. The amount of chemical retained determines how resistant the lumber will be. My 2-Story Addition Build in Progress Link . www.strongtie.com/products/ptwoodfaqs.html, FAQ: Pressure-Treated Wood | Simpson Strong-Tie. Helping You to Do It Yourself! It is the material of choice with both professionals and do-it-yourselfers for projects exposed to the rigors of weather, hot, humid climates, decay, and termites. The quest for decent boards begins. This website is presented by SFPA members, including: 2023 Southern Forest Products Association. Typically, the first step of a third-party agency audit involves a review of the plants records. spib no. The preservatives provide protection against rot, insects, mold, and fungi, so the wood lasts longer. SPIB is subject to continual review by IAS to ensure that the laboratory and agency records remain in compliance. (KD-HT means the wood was also heat treated to kill pests, a requirement for imported lumber.) There is no standard for appearance grading and select or premium could be #1 or #2 structural grade, it just increases the cost to the consumer for better wood. Lumber, posts, and ties range from 8 to 16 in length, although longer may be ordered. Application of the product requires pressure treatment by an approved treating process and preservative for.
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