What is ZMAX
®
? ZMAX
®
is
a thicker coating (galvanized per ASTM A653 with a G185 coating)
than the standard hot-dip galvanized coating (galvanized per ASTM A653 with a G90 coating). This thicker coating is available on select Simpson Strong-Tie connectors.
What is a Zmax joist hanger?
Description. The joist hanger from Simpson Strong-tie is a
18 gauge galvanized steel member in the shape of a stirrup used to support the end of a joist in the assembly
. All hangers in this series have double shear nailing an innovation that distributes the load through 2 points on each joist nail for greater strength.
Are Simpson Strong Ties galvanized?
While Simpson Strong-Tie has always provided finishes and stainless steel with extra corrosion resistance, we have greatly expanded the number of products we offer in ZMAX
®
, hot
-dip galvanized
(HDG) and stainless steel to help you address your corrosion resistant needs.
Can you use zinc coated screws in pressure treated wood?
We do not recommend electro-galvanized screws (also called clear-zinc coated) for exterior applications. …
Mechanically galvanized screws
are generally suitable for decks and other outdoor projects made of pressure-treated lumber.
What screws should I use for pressure treated wood?
If you use regular screws with pressure treated wood, they may bend or slip and can become corroded by the preservative chemicals contained in the wood. Thus, we recommend using
305 or 18-8 grade stainless steel screws with an advanced anti-corrosive coating
, like the Hillman Fasteners’ DeckPlus 48419 screws.
Can you use 2×6 for floor joist?
2×6 joists
should only be used on ground-level decks that do not require
, and will not provide for, any guards. … Most decks use 16′′ on center spacing for joists. Most decking is not strong enough to support longer spans than 16′′.
Can I use screws on joist hangers?
Outdoors use 16d double-dipped galvanized nails (or stainless steel when called for) for installing hangers. … The manufacturers agree:
Never use galvanized deck screws or drywall screws to install joist hangers
. Those screws don’t have the shank size and toughness to support joist loads.
Can you paint Simpson Strong Ties?
Many FRT manufacturers permit low-corrosion-resistant connector and fastener coatings for dry-service conditions.
Simpson Strong-Tie does not recommend painting stainless-steel anchors, fasteners or connectors
. … Painting usually does not improve the corrosion resistance of stainless steel.
Can Simpson Strong Ties be used with pressure treated lumber?
Due to the many variables involved, many of which are controlled by the chemical supplier and the wood treater, Simpson Strong-Tie
cannot make an unqualified recommendation of any galvanized or other coating for use with treated wood
.
Can you bury Simpson post base?
Recently, we dug out around the supporting 4 x 6 posts to apply waterproofing to them and discovered that the 4 x 6 PT posts were secured to concrete footings with Simpson Strong Tie Post Bottom brackets and then the whole thing buried under 6 – 8 inches of soil.
Why can’t you use coated nails in treated lumber?
While sinkers’ vinyl coating allows them to drive or “sink” into framing materials quickly, it doesn’
t provide significant protection from corrosion
. Thus, the copper-based preservatives in treated lumber often cause vinyl-coated steel sinkers to corrode prematurely.
Will pressure treated wood corrode painted metal?
Pressure treated wood is a popular product for outdoor construction, i.e. bridges and decks. … When wood treated with the new chemicals was exposed to metal parts, the metal tended to corrode, even moreso in water contact environments, in only a few years.
Are galvanized screws rust proof?
Galvanised screws and nails are zinc coated nails that have undergone a galvanisation process. This process means the nails have a protective barrier which makes
them resistant to rust and corrosion
.
What are the best screws to use for a deck?
A good all-around choice is
#10 decking screws
—generally in 2 1/2- to 3 1/2-inch lengths. Decking screws are sharp, tapered, self-sinking, and coated for corrosion resistance. With a cordless drill/driver, you can drive them about as fast as nails.
Do you need special nails for treated lumber?
The manufacturers of ACQ, CA, ACZA and CCA and the treated wood industry are all recommending
hot-dipped galvanized nails and stainless steel nails and screws
with their treated wood products.
How far can a 2×6 floor joist span without support?
The maximum distance a 2×6 can span, according to the 2018 IRC, for a floor joist, is
12′-6”
, ceiling joist 20′-8”, rafter 18′-0”, deck board 24”, deck joist 9′-11”, deck beam 8′-3”, and 6′-1” as for header.
