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How To Install LP® SmartSide® Trim & Siding Products



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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 2x4 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