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ABS Plastic Rock Skirting

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About “Mason” Rock

“Mason Rock” skirting panels, manufactured by Style-Crest, are composed of ABS plastic and designed so that adjoined panels overlap and create a continuous rock pattern. Can be installed over existing skirting, or using existing trim. Each panel is surrounded by one inch flange for easy mounting. 

We offer many options for customizing your very own rock skirting kit, including different styles and colors of trim, vents and screws to mix and match with the panels. Featured below are four examples from our showroom that may give you some ideas.

△ Tuscan Tan Panel combined with Tan Vinyl Top Back Trim, Tan Vinyl Top Front Trim, and Tan Vinyl Ground Channel. Tan Screws and Tan Foundation Vent would fit well with this combination.

△ Sedona Brown Panel combined with Chocolate Vinyl Top Back Trim, Chocolate Vinyl Top Front Trim, Chocolate Vinyl Ground Channel, and Black Automatic Foundation Vent. Black Screws would work nicely with this combination.

△ Slate Grey Panel combined with Dark Grey Steel Top Trim, Dark Grey Steel Ground Channel, and Black Automatic Foundation Vent. Black Screws would look good, but Mill Screws could also do the job.

△ Sedona Brown Panel combined with Chocolate Vinyl Top Back Trim, Chocolate Vinyl Top Front Trim, Chocolate Vinyl Ground Channel, and Black Automatic Foundation Vent. Black Screws would work nicely with this combination.

Access Doors

We offer two access doors, one is black and one is white. They work the same way, but you get to choose what you think looks best with your skirting. Click on either one to order!

Ground Channel

 Choose either ground channel already pre-cut to 60″ lengths, or full 10′ pieces

The best option for a ground channel is our steel ground channel, specifically designed to securely hold a thick rock panel. Attach it to the ground with spikes or to concrete with adhesive. Available in different colors to match the panels.

We do offer other options for ground channel. The vinyl ground channel works OK if you want to work with a more flexible trim. It bulge a little when the panel sits in it- screws are needed to insure the panel doesn’t move out of the channel.

If you want to ground channel to be hidden from view, a small steel “J-Rail” can be attached to the ground, and the panel can be attached in front of the J-Rail, appearing to go all the way to the ground or lower.

Steel Corners

If you don’t have a heat gun or propane torch to bend your panels around corners, we offer these steel corners in different colors to cover the spots where two panels “butt up” to the corners. Attach with screws or adhesive.  Available in different colors to match the panels.

 Choose either corners already pre-cut to 36″ lengths (heights), or full 9′ pieces for those homes sitting higher.

Foundation Vents

To insure you have sufficient ventilation under your home, place these vents at regular intervals in the rock panels. Use either screws or liquid adhesive to hold to the panel. We offer a plain Jane vent with a manual damper or a fancier automatic vent that opens and closes on its own when seasons change. Available in different colors to match the panels.

Hex Head Screws

The best option for fastening everything is hex head screws.  We offer screws with colored heads to blend into the grout of rock panels where they are used to close up the overlapping areas- black screws for the grey panels and brown panels and tan screws for the tuscan tan panels. 

If you use vinyl top back trim, you will only need the plain mill hex head screws, because they will be hidden from view. A short screw of 3/4″ length should be sufficient to hold the trim to the house, but we offer different lengths, in case you are trying to go into older material that may have softened over time.

Calculating a Kit for your Home

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 offer a specific size of skirting kit, we sell only what you need. This section is designed to help you calculate the materials you will need.

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

Calculate Trim

If you plan to cover the entire home, measure all four sides. For a 16′ wide x 76′ long house the 4 sides will total up to 184 lineal feet (LF)

If you have to skirt a deck, add the sides coming away from the home to the total lineal footage. Normally, if you skirt around your deck, you don’t have to skirt 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 back and top front trim.

Calculate Panels

Each panel (after trimmed down one side to better overlap the neighboring panel and give the skirting a continuous look) will be roughly 59″ wide.

(184 LF X 12)/59= 37.42
37.42 rounds up to 38 full rock panels.
(208 LF X 12)/59= 42.3
42.3 rounds up to 43 full rock panels.

To calculate the total number of full panels you will need, use this handy formula: Total lineal feet times 12 divided by 59= 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 skirting access door, try to place the door in a spot that is near your water cut-off.

Calculate Vent Usage

If you use foundation vents, you will need to plan where they go. We recommend placing one vent every 15-20 lineal 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. 

Calculate Fasteners

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, use liquid adhesive instead of ground spikes to secure the ground channel. One tube of liquid adhesive for every 15 lineal feet over concrete is recommended.

The number of screws needed to install top trim will depend on the type of trim. For vinyl top back trim, you will need 2 screws per lineal foot. For 184 LF you will use 368 mill screws. These screws don’t show, so color of head isn’t important.

 For steel top trim, you will need 6 screws per 10 lineal feet, including a few extra for overlaps and corners. For 184 LF you will use 115 screws. These screws will be showing so color of screw head will be your choice.

Use black hex head screws to connect the panels where they overlap. You may also need 4-5 extra black screws if you are attaching the panel in front of the ground channel. A safe formula for calculating these screws is- Number of full panels x 12 = # of screws. 

The amount of screws you will need to attach panels to the ground channel is roughly one screw every 2 lineal feet, no matter if it’s vinyl or steel trim. For 184 LF you will use nearly 100 screws.

Rock 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 of the area you want to skirt, this chart can show you at a glance about how much skirting you will use. Because the panel quantity will change with the average height, pick the panel column that reflects your average height. Please consult our skirting expert for special quotes.

Note: In the column headers, “Panels” = Slate Grey, Sedona Brown, or Tuscan Tan Panels, “11′ Trim Pieces” = Vinyl Top Back, Top Front, or Ground Channel, “10′ Trim Pieces” = Steel Top Trim or Ground Channel, “5′ Trim Pieces” = Dentil Trim or Steel Ground Channel, “Vents” = Manual or Automatic Vents.

Box Size (LF) ▼ PanelAccess Doors11′ Trim Pieces10′ Trim PiecesVinyl/ Steel Top Trim ScrewsGround Trim ScrewsVentsBlack Hex Screws for PanelsGround Spikes
16×56 (144)3111415308/ 90901440080
32×42 (148)3111415308/ 90901447580
28×48 (152)3211416308/ 96961650085
28×52 (160)3411517330/ 1021021652590
28×56 (168)3611617352/ 1021021655090
28×60 (176)3711718374/ 10810818575100
16×76 (184)3911719374/ 11411418600105
28×68 (192)4111820396/ 12012020625110
32×66 (196)4111820396/ 12012020650110
28×72 (200)4211921418/ 12612620650115
28×76 (208)4412021440/ 12612622675115
32×76 (216)4612022440/ 13213222700120

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