VIEWRAIL Straight Stringer User manual

1
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Things to Know Before You Get Started
• Read over the provided material prior to the start of your installation
• Ensure to apply the supplied Threadlocker to all mechanical connections
Other Tools and Supplies Not Included in the Installation Kit
• Drill/Hammer Drill
• Impact Driver/Socket Wrench
• Pencil
• Level
• T-Square
• 3/8" Wood Drill Bit
(Wood Install Only)
• 9/16" Concrete Drill Bit (Concrete Install Only)
• 11/16" Forstner Bit (Wood Install Only)
• Wood Glue
• Concrete Epoxy
(Concrete Install Only)
Tools Needed from the Installation Kit
5/16" Hex Bit Socket
3M DualLock
(Included with Optional Tread Bracket Covers)
3/4" Socket
ThreadLocker
1/2" to 3/8" Reducer
T-10 & T-30 Torx Bits
Torque Wrench
5/16" Hanger Bolt Driver
Straight Stringer
Installation Guide
© 2021 VIEWRAIL All Rights Reserved · [phone] · viewrail.com · For Helpful Tutorials go to www.youtube.com/viewrail

2
• Use the provided drawing(s) to mark the header
plate dimensions
• At this point, mark a predrill location for the slotted
hole in your header plate
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21
Straight Stringer Installation Steps
• Slide the Header insert into the stringer body
• Line up the holes
• Using the access hole at the end of the stringer body
& (6) 1/2"-13 x 11/2" Flange Bolts, (6) 1/2" Washers &
(6) 1/2" Nylon Lock Nuts, secure the insert into place
• Torque to 70 lb-ft
• Slide the Foot insert into the stringer body
• Line up the holes
• Using the access hole at the end of the stringer body
& (6) 1/2"-13 x 11/2" Flange Bolts, (6) 1/2" Washers &
(6) 1/2" Nylon Lock Nuts, secure the insert into place
• Torque to 70 lb-ft
• Identify the top and bottom inserts
3
© 2021 VIEWRAIL All Rights Reserved · [phone] · viewrail.com · For Helpful Tutorials go to www.youtube.com/viewrail
Side Panel of Stringer Body cut away to show detail
Side Panel of Stringer Body cut away to show detail

3
• Place all tread brackets on the stringer
• Insert locator pins to hold the tread brackets in place
• Fasten the 1/2" x 31/2" Hex Lag through the middle
slotted hole in the header plate to hold the stringer
in place
• Lift the stringer into place, lining up the hole
• We recommend using either a pulley system or a Come
Along Winch and brace material to hold the stringer in
place while fastening
• Predrill with a 3/8" drill bit
87
65
Straight Stringer Installation Steps (Continued)
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4
• Ensure the tread is level on the tread bracket both front
to back and left to right
• Using the 5/16" x 21/2" RSS Screws, attach the tread to
the tread bracket
• During this step, alternate sides of the bracket when
fastening screws. This will prevent the tread from
pulling unevenly
• Place a single tread on to one of the tread brackets
about half-way up the stringer
• Thread the 1/2" x 1" flange bolts through the tread
bracket and into the stringer in the marked order, so
they are finger tight
• Torque to 70 lb-ft
1211
109
Straight Stringer Installation Steps (Continued)
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5
• Refer to the recommendation of the brand of epoxy
you are using and predrill the correct sized holes for
these 1/2" threaded studs
• Apply concrete epoxy in to the holes
• Insert the threaded studs into each hole
• Thread the 1/2" x 8" hex head bolts into place, so they
are finger tight
• Predrill through the header plate holes with a 3/8" drill bit
• At this point, predrill all your header plate holes using
a 1/2" bit
• If not level left to right, shim the header plate to adjust
• If not level front to back, shim the footer plate to adjust
• Cut the excess shim away
1413
Straight Stringer Installation Steps (Continued)
15b15a
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6
• Mount the first tread on to its tread plate
• The first tread mounts differently to the tread bracket
than the rest of the treads
• Using the 5/16" x 21/2" hanger bolts, populate the
first tread holes
• Refer to the recommendation of the brand of epoxy
you are using and predrill the correct sized holes for
these 1/2" threaded studs
• Drill 1/2" holes for the concrete wedge anchors
• Insert a concrete wedge anchor into each hole
• Predrill your footer plate holes with a 3/8" drill bit
• Thread the 1/2" x 5" head lags into place
1817
Straight Stringer Installation Steps (Continued)
16b16a
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7
• Moving on to the nosing installation, mark a center line
on the nosing mounting block
• Using a 3/16" bit, drill four evenly spaced holes along the
center line
• Using the 11/16" Forstner bit, drill in the same spots 3/8"
deep. This will counter sink the mounting screws
• Do not mount at this point
• Secure the optional Tread Bracket Covers, using the
provided 3M Dual Lock fasteners to attach the cover
into place
• Repeat Steps 10-12 to fasten the remaining treads,
one at a time, onto the tread brackets
• Using a nut, tighten the tread to the tread bracket
2221
2019
Straight Stringer Installation Steps (Continued)
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8
• Align the mounting block center line with the center line
mark you drew in the previous step
• Transfer the center line to the headboard
• Position, level & hold the nosing in the desired location• Mark a center line on the side of the nosing
2625
2423
Straight Stringer Installation Steps (Continued)
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9
• Apply wood glue to both the Mounting Block and the
inside cavity of the Nosing
• Adjust until level
• Carefully remove the Nosing as to not bump the
Mounting Block
• Fasten the remaining 5/16" x 6" RSS screws
• Mount the nosing blocking using a single provided
5/16" x 6" RSS screw in one of the two center holes
29
2827
Straight Stringer Installation Steps (Continued)
• Press the nosing firmly into place and use the T-10 bit
to fasten #8 x 2" trim screws, holding the nosing cover
in place
30
We’d love to see your work! Snap a few pics with your phone and send them to
[email protected]. Thanks for choosing Viewrail. Enjoy your new installation!
Congratulations!
You’re done.
© 2021 VIEWRAIL All Rights Reserved · [phone] · viewrail.com · For Helpful Tutorials go to www.youtube.com/viewrail