How To Install LP® SmartSide® Trim & Siding Products
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How To Install LP® SmartSide® Trim & Siding Products


it’s hard to beat the natural look of a
home finished in real wood with LP smartside trim and siding you can give
your homeowners that warm inviting look with less maintenance and it’s easier
than you think this video will help you understand the
basic principles of installing LP smartside products and show you the
workability and versatility of the LP smartside product line in addition to
watching a video we highly recommend that you follow the detailed application
instructions for all LP smartside products found at WWLP smart side comm LP smartside trim and siding products
are made with treated engineered wood they give you the look of real wood
without many of the problems commonly associated with untreated wood LPS zinc
borate based smart guard treatment is infused into the wood for exceptional
protection against fungal decay and termite damage
in fact LP smartside products are so durable they’re backed by one of the
best warranties in the industry the LP smartside 5/50 year limited warranty
it offers a full five year labor and material placement feature and a 50 year
prorated warranty on the product for complete warranty details visit
www.lpsmartside.com for one of the great advantages of working
with LP smartside products is the ease of installation first you’ll need a few
standard woodworking tools a circular saw or miter saw a nail gun or drill as
well as primer sealant and paint as with all power tools be sure to use proper
safety procedures when storing your trim and siding keep it dry and off the
ground on a flat surface when working with wood products like LP smartside you
want to avoid installing the product on a home that is exposed to excessive
moisture for example homes with recently installed concrete plaster walls are wet
blown cellulose insulation check the building codes in your area for air
barrier or house wrap requirements before beginning to install trim and
siding products conduct a visual walk-around inspection of the job site
and building be sure to address any obstructions such as landscaping or
man-made objects around the jobsite inspect the exterior wall framing for
any installation defects that could cause the wall to be uneven and lead to
a wavy siding appearance some items that could contribute to this might be bowed
or warped studs or improperly nailed cheating during the visual inspection
verify that the house rap has been properly installed look for defects or
penetrations through the house wrap that might need to be repaired before
installing trim and siding ensure that all house wrapped seams are taped also
verify that the flashing around the windows and doors are properly installed
and integrated with the house wrap to help avoid water intrusion once your
visual inspection is complete and all issues have been resolved you’re ready
to install your trim and siding now let’s get started LP smartside trim and fascia can be
applied over stud spaced a maximum of 24 inches on center
when installing your trim keep in mind your trim must extend beyond the
thickness of the lab siding for base trim applications be sure to allow
proper clearances between other structures and the trim a six inch
clearance above grade and a one inch clearance above all roof lines sidewalks
patios decks and other finished surfaces remember do not install your trim and
fascia in contact with masonry concrete or brick when you cut your LP smartside
products to size always apply primer and paint to the field cuts with a
high-quality 100% acrylic latex paint using a nail gun makes quick work of
installing LP smartside products you will want to use a minimum of 0.1 one
three inch shank diameter hot-dip galvanized box style nail with a minimum
of 0.2 7-0 inch head diameter the nails should be long enough to penetrate the
structural framing by at least 1 inch always set your nail gun so the head of
the nail is snug against the siding or flush with the siding surface try to
avoid over driving the nails if you do seal the hole and expose substrate with
an ASTM C 920 class 25 sealant if you overdrive the nail by more than
1/8 of an inch seal the hole and rhe nail it when
applying the trim you must face all butt joints and ends a minimum of 3/16 of an
inch then fasten with four nails into the stud two nails on either side of the
butt joint now let’s install trim on the vertical corners you want to position
the trim so that the long vertical seam is not showing in the front of the home
to do this extend the piece of trim on the front side of the home beyond the
end of the wall so that the adjacent piece of trim can but it’s edge behind
the front piece this will give your trim a seamless look from a curb appeal view
all LP smartside trim should be fastened with the nails spaced a maximum of 24
inches apart with at least two nails in each stud or you may fasten every 12
inches with a pattern alternating edges along the trim
every nail should be placed 3/8 of an inch from the corresponding outside edge
it is common when applying trim to corners to have to nail into the edge of
the adjacent trim board LP smartside trim may be fastened in this way but
remember that you must pre-drill all nail holes first when installing trim
around windows and doors there are two preferred methods butted end joints
and diagonal cut joints keep in mind you do not need the space the ends of trim
when installing around windows and doors only give your trim a little extra room
around the perimeter of the window or door by leaving a 3/16 inch space around
the window framing fasten the trim with the same nailing requirements mentioned
earlier windows will require AZ flashing above the window don’t forget to allow
for a 3/8 of an inch space between the flashing edge and the trim edge do not
apply sealant in any space where flashing is integrated use the same
nailing requirements when installing LP smartside fascia over a sub fascia
remember to use zee flashing above all horizontal trim and band boards now that your trim has been installed
correctly you’re ready to hang your siding let’s start with LP smartside
precision series lab sighting this sighting can be installed over code
approved Nailable sheathing or directly to
framing if you install lap siding over framing use seventy-six series lap for
framing space 24 inches on center or use 38 series lap for framing space 16
inches on center let’s begin installing by snapping a level chalk line along the
bottom of the wall make sure it is level by measuring from the top of the wall
down to your clearance height remember the ground clearance is required six
inches above grade and one inch above all roof lines sidewalks patios decks
and other finished surfaces and do not install the lap siding in contact with
masonry concrete or brick before you can hang your first course of lap you will
want to install a starter shim to give you the proper angle for the first
course of lap LP advises against ripping any smartside materials as it will leave
edges unprotected but ripping a piece of lap can work well
for use as a starter shield just remember to prime and paint the exposed
substrate in fact you’ll have to make many cuts throughout the job to fit your
materials to the home when you cut LP smartside products the size always apply
primer and paint to the field cuts with a high-quality 100% acrylic latex paint
using a nail gun makes quick work of installing LP smartside products you
will want to use a minimum of 0.1 one three inch shank diameter hot dipped
galvanized box style nail with a minimum of 0.2 7-0 inch head diameter the nails
should be long enough to penetrate the structural framing by at least one and a
half inches always set your nail gun so the head of the nail is snug against the
siding or flush with the siding surface try to avoid over driving the nails if
you do seal the hole and expose substrate with an ASTM C 920 class 25
sealant if you overdrive the nail hole by more
than 1/8 of an inch seal the hole and renail it now that
the level starter shim is fastened in place we can begin our first
source of laughs item make sure the piece is level and that the ends land on
studs then start nailing from one end to the other
on every stud when blind nailing LP smartside lap products place the nails
roughly 3/8 of an inch from the sidings ends and roughly three quarters of an
inch from the top edge for the following pieces of lab be sure to allow for 3/16
of an inch space at each end of the lab and each bud joint overlap successive
courses by a minimum of one inch and remember to stagger your joints over
stud locations for a more natural appearance there are a few things to
remember when installing LP smartside lab citing around Windows Windows will
require a Zee flashing above the window don’t forget to allow for a 3/8 inch
space between the flashing edge and the sighting edge do not apply sealant in
any space where flashing is integrated also below windows may require a piece
of lap siding to be cut to shape when this occurs you will have to face nail
that piece every eight inches on center once your trim in siding is hung it’s
time to seal all expansion joints and corner joints with an ASTM C 920 class
25 sealant it can be common practice for some
builders to finish the front of the home with lap siding and the remaining walls
with panel siding LP smartside four foot wide panel siding comes in lengths of
eight to ten feet long and equipped with shiplap edges this can save money in
time during installation once flashing and trim have been properly installed
you can begin hanging your panel siding but let’s not forget some of LPS basic
requirements remember the ground clearance is required six inches above
grade and one inch above all roof lines sidewalks patios decks and other
finished surfaces and do not install the panel siding in contact with masonry
concrete or brick all LP smartside panel siding may be installed over 16 inch on
center framing when installing over 24 inch on center framing you must use
precision 190 series panel siding using a nail gun makes quick work of
installing LP smartside products you will want to use a minimum of point one
one three inch shank diameter hot-dip galvanized box style nail with a minimum
of point two seven zero inch head diameter the nails should be long enough
to penetrate the structural framing by at least one and a half inches always
set your nail gun so the head of the nail is snug against the siding or flush
with the siding surface try to avoid overdriving the nails if you do seal the
hole in exposed substrate with an ASTM C 920 class 25 sealant if a nail is over
driven by more than 1/8 of an inch seal the hole and REE nail it when you
cut your LP smartside products to size always apply primer and paint to the
field cuts with a high-quality 100% acrylic latex paint the base trim piece
must be flashed with Zee flashing allow for 3/8 inch gap above the flashing
before installing your panel sighting you’ll want to treat every horizontal
joint with flashing and spacing when hanging LP smartside panel siding
position your panel siding so it’s level and the shiplap edges fall on the center
of studs you would then use a double nailing technique along the shiplap edge
nail through the shiplap on the first panel then nail 1 inch from the edge at
the overlap flange on the second overlapping panel when nailing the rest
of your LP smartside panel siding make sure you space your nails
more than six inches apart at the panel’s edges around the perimeter and
no more than 12 inches apart at the intermediate stud supports whenever your
panels butt against windows doors or trim leave a minimum 3/16 inch space
remember when installing LP smartside panel siding around windows that z
flashing will be required above the window don’t forget to allow 3/8 inch
space between the flashing edge and the siding edge do not apply sealant in any
space wear flashing is integrated installing LP smartside cedar shakes
combines the practices of lap siding and panel siding they use an overlap layout
and have a shiplap edge design you will begin again by snapping a level chalk
line and installing a starter shim remember to abide by required clearances
and flashing practices before hanging your first piece of cedar shake do not
install the shakes in contact with masonry concrete or brick install cedar
shakes on stud spacing no greater than 16 inches on center you will want to use
a starter shim that is roughly one and a half inches wide and 3/8 h thick
remember when you cut LP smartside products the size always apply primer
and paint to the field cuts with a high-quality 100% acrylic latex paint
you will want to use a minimum 0.11 three inch shank diameter hot dip
galvanized box style nail with a minimum of point two seven zero inch head
diameter the nail should be long enough to penetrate two structural framing by
at least one and a half inches always set your nail gun so the head of nail is
snug against the siding or flush with the siding surface try to avoid
overdriving the nails if you do seal the hole and expose substrate with an ASTM C
920 class 25 sealant if a nail is over driven by more than 1/8 of an inch
seal the whole Andry nail it you must face nail LP smartside cedar shakes
install the first course upside down for a straight drip edge along the bottom
you will then use the double nailing technique along the shiplap edge nail
through the shiplap on the first panel then nail 1 inch from the edge at the
overlap flange on the second overlapping panel overlap successive courses a
minimum of one and three-quarter inch LP makes it simple you can use their
alignment notch in the shiplap edge as an automatic guide to lap each course
face nail all shake pieces roughly three-quarters of an inch from the
bottom edge to penetrate both courses to continue with a straight drip edge
appearance you will want to follow this sequence starting from right to left
level and install the first course of siding so straight edges no more than
1/2 inch below the starter shim trim the right edge so that the
citing section fits against the corner board with a 3/16 space and so that the
opposite shiplap edge falls on a stud for nailing if you would like to achieve
the intended random drip edge appearance you will need to follow this sequence
starting from left to right level and install the first course so random edge
is no more than 1/2 inch below the starter shim trim left edge so that
siding section fits against quarter board with a 3/16 inch space and so that
the opposite shiplap edge falls on a stud for nailing you can also achieve a
staggered joint appearance with LP smartside cedar shakes you can do this
by trimming the second course starter piece of shake 16 inches shorter than
the first course and then trim the third course starter piece of shake 32 inches
shorter than the first course repeat this same sequence every three courses
you may find yourself installing LP smartside shake siding around Windows
Windows will require Z flashing above the window don’t forget to allow for 3/8
of an inch space between the flashing edge and the siding edge do not apply
sealant in any space where flashing is integrated now that you’ve properly installed your
LP smartside trim and siding it’s time to install your LP smartside soffit LP
makes their soffit with several designs including panel soffit and cut too with
soffit which is available both as vented and non vent
LP smartside soffit can be applied over framing that spans a maximum of 24
inches on center one thing to remember when installing LP smartside soffit is
all ins and edges must be supported or backed by solid 2×4 inch or larger
framing if you are using LP smartside vented soffit try to avoid cutting
through the vented areas also if you are installing an open soffit application
you must use LP smartside precision 76 series or 190 series soffit as with all
LP smartside products do not install the soffit in contact with masonry concrete
or brick you will want to use a minimum point zero nine nine inch shank diameter
hot-dip galvanized box style nail with a minimum point two seven zero inch head
diameter the nail should be long enough to penetrate the structural framing by
at least one and a half inches always set your nail gun so the head of the
nail is snug against the siding or flush with the siding surface try to avoid
over driving the nails if you do seal the hole and expose substrate with an
ASTM C 920 class 25 sealant if you overdrive the nail by more than 1/8 of
an inch seal the hole and REE nail it when you
cut LP smartside products to size always apply primer and paint to the field cuts
with a high-quality 100% acrylic latex paint position the sophists so all ends
and edges land on studs then begin nailing you should nail around the
perimeter a maximum of every six inches and every 12 inches at intermediate
supports when nailing the perimeter space your nails 3/8 of an inch from the
edges when nailing up your soffit make sure you space all ends and butt joints
a minimum of 3/16 of an inch by following the installation guidelines
outlined in this video along with LP smartside installation instructions you
can give your home’s a signature look that will delight homeowners and that
homebuyers can’t resist your good name is on the line and LP smartside wants to
protect it when it comes to warranties LP has you covered with the LP smartside
5/50 year limited warranty see www.lpsmartside.com for complete warranty
details all LP smartside products are designed to perform beautifully for many
years to come thank you for watching and please stick around to learn a few tips
and tricks when working with LP smartside products welcome to LP smartside installation
tips we will be discussing and teaching the basic principles of alternative
fasting for lab products over structural panels and 24 inch on center framing
installing and handling pre finished lap siding with three different types of
butt joint applications and how to repair butt joints that may be causing
your lap siding the buckle let’s begin with LP smartside
alternative fastening requirements when installing LP smartside lap siding over
24 inch on center framing and 7/16 category structural panels you may use
different nails and nail spacing this only applies to lap siding that is under
12 inches wide LP smartside has three product categories precision series
foundation series and architectural collection
when installing precision series lap in this application you may use point zero
nine one inch diameter hot dipped galvanized ring shank nails or number
eight hot dip galvanized tapered head wood screws for both you must make sure
you get at least one and a half inches of sheathing and framing penetration if
you choose to use ring shaped nails you must nail the lap siding a maximum
of every 8 inches and hit every stud if you choose to use the wood screws you
must screw the lap siding a maximum of every 12 inches and hit every stud now
let’s talk about foundation series and architectural collection lap siding over
structural panels you must use nails you can choose between 0.11 three inch
diameter or point zero nine one inch diameter hot dipped galvanized ring
shank nails if you choose to use point one one three inch diameter ring shank
nails you must nail the lap siding a maximum
of every eight inches and hit every stud if you choose to use the point zero nine
one inch diameter ring shank nails you must nail the lap siding a maximum
of every four inches and hit every stud LP smartside products can be
professionally prefinished before they get installed on the home when handling
pre finished products you’ll want to use caution as to not damage the finish
surfaces you will have a few preferred methods of butt joint treatments choose
from these practices will help control water runoff and house wrap exposure to
the Sun let’s discuss the three preferred ways to treat expansion joints
when installing LP smartside prefinished lap siding the first and most common
method would be to caulk the joints when two pieces of lap siding are installed
with the required 3/16 of an inch spacing you can simply caulk that
spacing with an ASTM C 920 class 25 or higher sealant it is best to achieve two
points of contact per bead of sealant this means just the right amount of
sealant it should be touching both pieces of lap but not fill the gap all
the way back to the house wrap be sure to follow the sealant manufacturer’s
instructions to best avoid water intrusion
the second preferred practice is achieved by using pan flashing behind
the butt joints in many cases you will be able to color match the pan flashing
to match the prefinished smart side products begin by nailing the length of
the lap siding but do not nail the ends the ends that make up the buck joint
should both be factory painted ends and spaced a minimum of 3/16 of an inch
before nailing the ends of the lap slide the pan flashing into place so the buck
joint lands at the middle of the flashing and the flashing overlaps the
course below then nail the ends of the lap into the stud you’ll want to do this
in every butt joint the third preferred method of butt joint treatment for pre
finished lap siding is by using a joint molding or H clip fasten the length of
the lap but do not fasten the ends of the boards install the lap with a
quarter inch space at the butt joint then carefully slide your joint molding
into place until the bottom is flush with the bottom of the siding once the
joint molding is in place fasten the ends of both lap boards to the stud what you’re about to learn can be used
as guidance when repairing butt joints that were not spaced correctly and may
be causing your lap siding to buckle you want to remember to space all ends
and butt joints a minimum of 3/16 of an inch let’s begin with the remedy process
you will start by using wooden wedges to separate the affected piece of lap from
the overlapping piece above to protect the house wrap from this next step you
may use a piece of metal sheeting to slide behind the lap siding using a
keyhole or reciprocating saw with a fine-tooth blade remove enough material
from the end of one piece of lap siding in order to provide at least 3/16 inch
space if any area the siding has been forced to deflect away from the wall
face nail only that area to flatten the piece back against the wall
be sure to properly caulk and paint all exposed nail heads remove all loose
debris sawdust and leftover caulk from the expansion joint to smooth out the
cut-in so that the surface is prepared for finishing using a brush Prime all
exposed wood fibers in accordance with installation instructions be sure to
follow the coding manufacturer’s application and maintenance instructions
seal the gap with an ASTM C 920 class 25 sealant be sure to follow the
manufacturer’s instructions for application and backer rod requirements
finish the repaired area using an exterior paint consistent with LP
smartside installation instructions be sure the follow the coding
manufacturer’s application and maintenance instructions

About Ralph Robinson

Read All Posts By Ralph Robinson

46 thoughts on “How To Install LP® SmartSide® Trim & Siding Products

  1. This is a decent product tho I have had a lot of issues with nearly every panel being bowed . When I have to check evey panel and adjust by either pushing up or down at the center of the panel it wastes a lot of my time .

  2. Question: I am wanting to install smartside panels vertically on a 10'x10' pump house (shed). However, the LP site says this product cannot be installed vertically. Yet, this video shows the panels installed vertically (gable end of the shed in the video); quite the contradiction. Second question: must I use a waterproof barrier between the siding and the studs on this outdoor shed? Can anyone answer these question? Thx.

  3. 18:12 – "When you cut LP SmartSide products to size, always apply primer and paint to the field cuts…"

    18:21 – Installing a field cut piece without paint or primer applied to the field cut edge….

  4. My mobile home came with Smart Siding.

    This "smart" siding is going bad in 9 years. Not very "smart" to me. Avoid at all costs.

  5. HELLO FRIENDS SOMEBODY WOULD SAY I WOULD BE SURE TO BE FAST AS YOU WORK? OR HOW I CAN WORK OR SOMETHING LIKE I HAVE TO STUDY SOMETHING A COURSE OF CARPENTRY OR A PROFESSIONAL CAREER OR THAT THING PLEASE HELP ME RESPOND THANK YOU

  6. how are you supposed to know where the studs are when you're nailing on the siding? The way they do this is so quick and they make it look so easy but how do you know exactly where to nail on the stud??

  7. @5:50 Why are you shimming out the window's bottom trim piece? There is nothing in the official installation instructions about shimming out the bottom trim piece. Is that so water can escape if it gets behind it?

  8. Is there a way to build houses without needing all these things: soffits, gutters, molding, 0.009 this, 1.2 that, shingles, primer, exactly this, exactly that. etc., etc., etc. It reminds me of the way things were done with gas and oil wealth – (big muscle cars for another example), rigging up this and that with little care. Now we have companies for muscle car parts, for studs, facia, etc. I mean, sure there are things needed, but this video makes it seem crazy!

  9. The one useful fact that this horrible video does not mention is you need rip a 1/2 inch off on your starter panel due to overlap..

  10. *Why did you choose an odd number for spacing of battens? 16" would have given more be more secure because you could have hit the studs. ( deam.design/ve9j ) I would have spaced them evenly so as to not have that smaller spacing next to the closet door…. Just my opinion.
    Nice work though, I'm just a stickler for details.*

  11. I always "abide by proper flashing protocol". Pant's drop all the way to the ankles. None of this knee bullshit.

  12. Work like amateur. I am 20 year all type siding installer. When You install lap siding, you need joint flashing between each joint.

  13. Made it look easy compared to me today. Not easy juggling a sheet, cordless drill, and screws… however new construction is much easier.. im replacing the bottom of a rotten barn

  14. We are covering 2×6 boards x3 wide to cover support pillars for our front porch with LP smartside boards. I understand I need to prime and paint all surfaces and will need to silicone the edges but I assume don't silicone the bottom edge and how far must they be up from the finished deck? 3/16" ? They are also the wrong color so we need to paint a new color.

  15. Can someone please tell me the reason they dont want you to install cement board in contact with this siding? Is it because it soaks up water?

  16. I see you have 3 options for lap siding butt joints, but in this video there is nothing done to any of the facia butt joints. Shouldn't you use one of the 3 methods for facia butt joints?

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