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How to Measure for Rock Skirting Kits HLLINK

Manufactured homes come in many sizes, and you may have decks, porches, or additions attached to your home that you will need to cover, or perhaps you may only need to skirt a portion of your home. For this reason we do not sell a specific size of skirting kit. This page is designed to help you determine what amount of skirting materials will be needed for your specific job.

*Shipping Note: All skirting kits must ship by freight. The national average for shipping and handling is $160-200, depending on your shipping address and the size of the kit.

Please email us for an exact quote.

 Please choose from one of the following categories or scroll down the page to follow our simple steps.

Calculating Trim

Calculating Panels


Calculating Vents

Calculating Fasteners

Quick Reference Component Chart Go Here for Installation Instructions for Rock Skirting
(Spoilers- There's more than one way!)



Calculating Trim Usage
If you plan to enclose the entire home, measure all four sides. A 16' wide x 76' long home will total up to 184 lineal feet (LF) ►
If you also have decks to cover, simply add the sides coming away from the home to the total lineal footage. Normally, if a deck is covered, there will be no skirting behind the deck. The red line indicates where your skirting will be installed. ►
For Metal Top and Bottom Trim, divide the total LF by 10.
Our steel trim pieces are 10' long. 184 LF will require 19 pieces each of the top trim and ground channel. ►

For Vinyl Top Trim, divide the total LF by 11.
Our vinyl trim pieces are 11' long. 184 LF will require 17 pieces each of the top trim.
Calculating Panel Usage
 
Each panel (after trimmed down one side to better overlap the neighboring panel and give the skirting a continuous look) will be roughly 57 " wide
To calculate the total number of full panels you will need, use this handy formula: Total lineal feet times 12 divided by 57.5= Total number of panels needed.
Use a yardstick to measure from the ground to the very bottom of the home's outside wall. This will determine how tall a panel must be to reach from the ground channel to the siding. The flange of the rock panels will extend just above the bottom of the wall. The flange and the fasteners attaching it to the house will later be covered with the top trim.
We offer 3 different heights of panels, so it will be important to know how much of each size you will use. Take a height measurement every 5 feet and mark them down on a diagram of the house.
Now make "zones" for each size of panel. Determine how many running feet will use 32", 36" and 48" panels each. The quantities of each size should add up to the total number of panels you calculated earlier.
If you use a rock access door, try to place the door in a spot that is near your water cut-off.   49155   
Calculating Vent Usage
If you use access vents, you will need to plan where they go. We recommend at one vent every 15-20 running feet. Try to place your vents in the middle of a panel, rather than where two panels overlap. This may offset the vents a little, but the idea is to plan for an even look overall.
Calculating Fastener Usage
You will need black hex head screws to install the panels.
A good formula for calculating panel screws is-
Number of full panels
x 12 = # of black screws recommended.
You will need ground spikes to secure the bottom channel to the ground.

 5-7 spikes per piece of ground channel is recommended
, but you may need more for sandy soil.
If your skirting runs over concrete instead of soil, you will need liquid adhesive in lieu of ground spikes to hold down the ground channel.

One tube of liquid adhesive for every 15 lineal feet over concrete is recommended.
 Panels taller than 48" become susceptible to wind damage and require interior bracing. Bracing can made with any sturdy material.
We offer a method using Steel "J" Rail for bracing.

One 10' piece of steel rail is recommended for every 5 LF over a 48" panel height.

Vinyl Skirting Kit Component Chart

This handy chart shows the material requirements for the most common box sizes of manufactured homes. If you know the overall lineal footage, this chart can show you at a glance about how much skirting you will need. Please consult our skirting expert for special quotes or further questions!


Box Size (LF) ▼

Full Rock Panel

 (any height from 25" up to 48")

Access Doors

11' Vinyl Top Trim

 (optional)

10' Steel Top Trim

 (optional)

10' Steel Ground Channel

Mill Hex Screws for Steel Top and Bottom Trim

Foundation Vent

Black Hex Screws for Panels

Ground Spikes

16x56 (144)

31

1 14

15

15

180

14

400

80

32x42 (148)

31

1 14

15

15

180

14

475

80

28x48 (152)

32

1 14

16

16

192

16

500

85

28x52 (160)

34

1 15

17

17

204

16

525

90

28x56 (168)

36

1 16

17

17

204

16

550

90

28x60 (176)

37

1 17

18

18

216

18

575

100

16x76 (184)

39

1 17

19

19

228

18

600

105

28x68 (192)

41

1 18

20

20

240

20

625

110

32x66 (196)

41

1 18

20

20

240

20

650

110

28x72 (200)

42

1 19

21

21

252

20

650

115

28x76 (208)

44

1 20

21

21

252

22

675

115

32x76 (216)

46

1 20

22

22

264

22

700

120

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