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Alside
Centerlock is a favorite product of many of our installers and home
owners. In recent years it has been featured as Sears "best".
It features very tight seams because of its' patented unique interlocking
system. In addition to making the seams tighter than competitive
products, the added bends add rigidity to the panels. Centerlock
actually tested out in our tests in second place overall behind
Alside's other top product Charter Oak. Surprisingly, the Centerlock
panel tested more rigid than the fiberglass rod supported Wolverine
Benchmark, the 55 mil. Wolverine HP, Alcoa 48 mil. Liberty Elite,
& Certainteed Monogram. I haven't tested it against Craneboard,
because Craneboard with the foam backer bonded to it , is in a different
class of products, but when tested against its' peers, this is a
remarkable product.
The Centerlock design puts a shadowline under every panel making
it one of the prettiest patterns ever when viewed from below as
on two story and higher buildings.
Considering the value per dollar invested with this product, and
its' exceptional beauty, I'd have to vote it a "Best buy"
and a great choice for any home.
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We resided this large waterfront home
with
Monterey Sand Centerlock

This LP home was resided
with Adobe Creme Centerlock Dutchlap
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Centerlock
gets its' name from the unique interlock system resulting in much
tighter seams than other normal vinyl siding.
Overlaps
almost disappear.
Competitive vinyl sidings are joined only at top and bottom, so
they can pull apart at mid-panel, causing unsightly gaps at overlaps.
CenterLock's advanced locking system keeps panels tight to the wall,
producing smooth, flat laps that last.
With
Centerlock you see the realistic look of individual boards.
With ordinary vinyl sidings, you can see a slight variation between
the upper and lower "boards" of each panel. But not with
CenterLock. Because it uses two locks in each panel, every CenterLock
"board" is identical. The result is true look-of-wood
beauty.
Ordinary
siding vs. Centerlock
Click to enlarge images
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design adds true look-of-wood beauty.
Ordinary vinyl panels are secured at two points - nailed at the
top, locked at the bottom.

Only CenterLock adds a positive interlock midway down the panel.
The second lock pulls panels flat and keeps them tight, producing
smooth, even walls with the look of traditional wood siding. This
additional bend in the design locks the center of the panel and
gives a natural shadow line to every panel rather than every other
panel so it looks much more real when viewed from below. Great news
for two story homes and buildings!

Check out Alside Prodigy, the newest
offering by Alside with a solid foam fitted backer panel also with
an insulation value of R-5
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