Pressure Treated Wood-Direct Ground Contact - DIY Home …
网页2008年2月5日 · Where I live you can buy different "grades" of pressure treated wood. For direct contact or buried in ground, they recommend what is called "PWF" grade (Preserved Wood Foundation). This has the best rating for ground contact and has the longest life expectancy. It is used for below grade applications like wood basements, footings, etc.
"In-Ground" Pressure Treated? UC4A, UC4B, UC4C...
网页2022年11月17日 · Ground contact wood levels. UC4A = Ground Contact, General Use. UC4B = Ground Contact, Heavy Duty. UC4C = Ground Contact, Extreme Duty. Yes, not all ground contact is the same. Dry ground requires less treatment. But more importantly is how the wood will be use. The more extreme the use, “duty,” the higher the treatment level it …
Preserving Cedar Fence Posts Below Grade - DIY Home …
网页2024年5月2日 · Preserving Cedar Fence Posts Below Grade. I am going to install a cedar post and rail fence, round posts and rails to replace the existing fence of the same type. There are a couple of things I do not want to do: switch to pressure treated or other fencing materials . The life of this type of fence is shortened by rot in two places - where the ...
Pressure Treated ok from sub floor down? - DIY Home …
网页2006年7月26日 · In areas subject to decay damage as established by Table R301.2(1) , the following locations shall require the use of an approved species and grade of lumber, pressure treated in accordance with AWPA C1, C2, C3, C4, C9, C15, C18, C22, C23, C24, C28, C31, C33, P1, P2 and P3, or decay-resistant heartwood of redwood, black locust, …
Wood basement wall below grade - what to do? - DIY Home …
网页2011年10月4日 · Wood framed walls below grade are a no-no for a multitude of reasons. Water rots the wood and rusts the fasteners. Even pressure treated lumber rots, only less quickly. Termites travel underground and eat the wood. Mold and mildew eat the wood and cause odors. Damp wood looses its shape and its ability to carry vertical or horizontal loads.
PT lumber and ground contact - DIY Home Improvement Forum
网页2009年2月17日 · So, a .40 treated board has .40 pounds of treatment per cubic foot of wood, by volume. .25 retention is above ground use only. .40 retention is ground contact. That means it can touch the ground like a landscape timber would, but doesn't necessarily make it a good product for burial. .60 is for direct burial.
Standard versus premium decking - DIY Home Improvement Forum
网页2021年5月29日 · At that time the original 2x6 deck boards had been down for 20 years and were total junk. At that time I got a product called Ultra Deck at Menards. I remember that with the sale price and an 11% rebate the final cost was $.99 per ln. ft. for 5/4 x 6 boards. It still looks great. I pressure wash it every spring but that is it for maintenance.
#1 vs #2 Pressure Treated - DIY Home Improvement Forum
网页2016年5月24日 · 16536 posts · Joined 2007. #2 · May 24, 2016. The HD guy is wrong. #2 or #1 is the quality. #1 is better. Not all PT is rated for ground contact. Most is not. It must specifically be labeled ground contact. I don't think HD carries it. My electrical answers are based on 2017 NEC, you may have local amendments. Location: Coastal South Carolina.
How do I waterproof a sill under grade level?
网页2010年3月14日 · I spoke today to Randy in tech support at Marflex 513-422-7285. He suggested a waterproof coat to both the foundation and wood. Then cover with a peel and stick waterproof membrane (that sounded like Grace ice and water shield but for foundations). His products are distributed through AHHarris locally.
Pressure treated wood deck which side faces up?
网页2023年5月9日 · I have seen a few discussions on this forum regarding laying down pressure treated wood deck boards. In my case I am using 2X4 PT Prime southern yellow pine. Should it be: (1) Bark side down. (2) Bark side up. (3) nicer looking side up (the other side may be knotted, damaged, beveled, stamped etc...) Here is an article I read and would …