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Michael K. McKell
Citizen
Username: Mckellconst
Post Number: 6
Registered: 5-2006
| | Posted on Sunday, July 2, 2006 - 2:43 pm: | 
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Do yourself a favor. If you intend on having or building a deck etc. you want to look nice DO NOT do so in ACQ!
We have had nothing but problems with the wood shrinking, checking and twisting. Since the goverment mandated "CCA" treated woods be changed to "ACQ" (No arsenic with lots more copper) in the material, the quality of the wood has tanked! I won't build an ACQ deck without the customer signing a waiver to this effect. Otherwise I go back and back to replace sections. |
george H
Citizen
Username: Georgieboy
Post Number: 243
Registered: 8-2005
| | Posted on Sunday, July 2, 2006 - 6:18 pm: |
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Not to mention the higher corrosivness factor and unknowns such as long term problems with fasteners and flashings.Triple galvanized [Z-max]hangers and post brackets are suggested,but I would spring for stainless steel for all hangers,brackets,lags,screws,etc.Ledger flashing is another area of concern,where problems won't make themselves known for quite some time.I've yet to read anything about any potential problem with leeching into the ground,but thats where the whole anti-CCA thing sprung from if I'm not mistaking. |
Michael K. McKell
Citizen
Username: Mckellconst
Post Number: 8
Registered: 5-2006
| | Posted on Sunday, July 2, 2006 - 9:24 pm: |
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Amen brother! Pass on ACQ. |
Darren Say Grrrrrrrr
Citizen
Username: Darrensager
Post Number: 464
Registered: 11-2001
| | Posted on Sunday, July 2, 2006 - 11:21 pm: |
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Look for Timbersil and you'll avoid all those problems.
I've written about it in other posts. Hands down the best advancement I've seen in standard decking material and lumber. Their patented process seals each fiber of wood in a micro layer of glass. Its just amazing IMHO.
www.timbersil.com
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Travis
Citizen
Username: Travis
Post Number: 459
Registered: 6-2004
| | Posted on Monday, July 3, 2006 - 4:33 pm: |
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I've heard this has limited distribution, anyone know a local supplier?
How would this compare with Trex? My interest is in material for window sills. |
Shanabana
Citizen
Username: Shanabana
Post Number: 682
Registered: 10-2005
| | Posted on Monday, July 3, 2006 - 4:55 pm: |
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Do you know when they made the switch to ACQ from CCA, and whether it is now a safer material for kids? (Just curious) |
Darren Say Grrrrrrrr
Citizen
Username: Darrensager
Post Number: 467
Registered: 11-2001
| | Posted on Monday, July 3, 2006 - 10:04 pm: |
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ACQ is safer for kids. Still, I would do my best to make sure they don't get a splinter in them.
As for the Timbersil, the only place I know that has it currently is in Long Island. Maybe its worth a ride out there. I know the product is in high demand because of how good it is. There's no comparison between Trex and Timbersil for your application. I would never use a composite material like Trex for a windowsil because every single Trex application i've even seen looks like garbage a few years later. The product changes its appearance over time. It almost seems like it swells up and flakes. I would never consider a Trex deck. If someone wanted a composite decking material there are many other's I'd point them to over Trex. The best analogy I can use is like the cement pavers the town chose. They looked good when they first put them down. Now, they look like crap. Its the same with Trex decking.
From what I understand about the Timbersil product, it would be perfect for your window sills. You'd just need to cut it to match your current pieces. You don't have the issues with wet pressure treated lumber because there's no way for the wood to absorb water. It should paint up well, however the only downside I could see would be in getting the product as clear (no knots in the wood) as you can. |
Michael K. McKell
Citizen
Username: Mckellconst
Post Number: 13
Registered: 5-2006
| | Posted on Tuesday, July 4, 2006 - 3:22 pm: |
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Treated lumber chemical suppliers, in cooperation with Environmental Protection Agency (EPA), have voluntarily agreed to stop producing CCA treated lumber for residential and consumer use by January 1st, 2004.
CCA Lumber will still be produced, but only for industrial, highway and agricultural applications.
It is not intended for use with decks, swing sets, picnic tables, or wooden fencing around your yard
The treated wood industry has decided to voluntarily make several new alternative wood preservatives available.
Alkaline Copper Quat (ACQ) – uses ethanolamine or ammonia to act as the carrier solution. Typical brand names are Preserve, Preserve Plus, Nature Wood and AC2
Copper Azole Type A and B (CBA-A and CA-B) – contain copper and boron in the preservative. Brand name is Natural Select Wood.
Sodium Borate (SBX) – utilizes boron as an active ingredient. One brand name is EnviroSafe Plus.
As a result, manufacturing costs have increased approximately 25% for all lumber and hardware.
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